From 1d15cdcb2aa463ce0aa1ab176605036cc15db2be Mon Sep 17 00:00:00 2001 From: Elizabeth Hunt Date: Tue, 24 Oct 2023 19:23:33 -0600 Subject: [PATCH 1/4] initial turing machine --- turing-machine/css/styles.css | 90 ++++++++++++++++++++++++++++++++ turing-machine/index.html | 14 +++++ turing-machine/js/main.js | 98 +++++++++++++++++++++++++++++++++++ 3 files changed, 202 insertions(+) create mode 100644 turing-machine/css/styles.css create mode 100644 turing-machine/index.html create mode 100644 turing-machine/js/main.js diff --git a/turing-machine/css/styles.css b/turing-machine/css/styles.css new file mode 100644 index 0000000..02279e5 --- /dev/null +++ b/turing-machine/css/styles.css @@ -0,0 +1,90 @@ +* { + font-family: "Trebuchet MS", sans-serif; +} + +button { + background: #bbbbbb; + border: 1px solid white; + border-radius: 0.2rem; + padding: 0.2rem; +} + +button:hover { + background: #cccccc; +} + +body { + margin: 0; + background-color: #aaaaaa; +} + +.container { + display: flex; + width: 90%; + margin-left: auto; + margin-right: auto; + flex-direction: column; + + padding: 2rem; +} + +.tape { + display: flex; + + padding: 1rem; + + align-items: center; + gap: 1rem; + + height: 5rem; + max-width: 100%; + + border: 1px solid black; + + overflow-x: scroll; + overflow-y: hidden; +} + +.cell { + position: relative; + height: 80%; + border: 3px solid black; + transition: border 0.1s ease-in-out; + transition: background 0.1s ease-in-out; + + display: flex; + flex-direction: column; + justify-content: center; + align-items: center; + flex: 1; + gap: 0.2rem; + + padding: 0.2rem; +} + +.circle { + position: absolute; + bottom: -15px; + left: 50%; + transform: translateX(-50%); + width: 10px; + height: 10px; + background-color: wheat; + border-radius: 50%; + opacity: 0.001; + transition: opacity 0.1s ease-in-out; +} + +.cell.reading .circle { + opacity: 1; +} + +.reading { + border-color: green; + background-color: wheat; +} + +.cell-input { + width: 50px; + text-align: center; +} diff --git a/turing-machine/index.html b/turing-machine/index.html new file mode 100644 index 0000000..2f65aa3 --- /dev/null +++ b/turing-machine/index.html @@ -0,0 +1,14 @@ + + + + Turing Machine Simulator + + + +
+

Simponic's State System

+
+
+ + + diff --git a/turing-machine/js/main.js b/turing-machine/js/main.js new file mode 100644 index 0000000..68aaa39 --- /dev/null +++ b/turing-machine/js/main.js @@ -0,0 +1,98 @@ +const DISPLAY_CELLS = 15; +const TAPE_LEN = 200; + +const MESSAGES = { + SET_CELL: "SET_CELL", + PAUSE: "PAUSE", + SIMULATE: "SIMULATE", + SET_READER: "SET_READER", +}; + +class Observable { + constructor() { + this.observers = []; + } + + subscribe(f) { + this.observers.push(f); + } + + unsubscribe(f) { + this.observers = this.observers.filter((subscriber) => subscriber !== f); + } + + notify(data) { + this.observers.forEach((observer) => observer(data)); + } +} + +const state = new Observable(); + +const tape = Array(TAPE_LEN).fill(0); +state.subscribe((msg) => { + if (msg.type == MESSAGES.SET_CELL) { + tape[msg.cellId] = msg.value; + } +}); + +const tapeEl = document.getElementById("tape"); + +const inputCellId = (cellId) => `${cellId}-input`; +const updateCellButtonId = (cellId) => `${cellId}-button-update`; + +const setCellFromInput = (cellId, inputId) => { + const input = document.getElementById(inputId); + tape[cellId] = input.value; +}; + +const cell = (cellId, initValue = 0) => { + const cellDiv = document.createElement("div"); + cellDiv.classList.add("cell"); + cellDiv.id = cellId; + + const readingHead = document.createElement("div"); + readingHead.classList.add("circle"); + + const input = document.createElement("input"); + const inputId = inputCellId(cellId); + input.classList.add("cell-input"); + input.id = inputId; + input.value = initValue; + + input.addEventListener("focusin", () => + state.notify({ type: MESSAGES.PAUSE }) + ); + input.addEventListener("focusout", () => + state.notify({ type: MESSAGES.SET_CELL, cell: cellId, value: input.value }) + ); + state.subscribe((msg) => { + if (msg.type == MESSAGES.SET_CELL && msg.cell == cellId) { + input.value = msg.value; + } + if (msg.type == MESSAGES.SET_READER) { + if (msg.cell == cellId) { + cellDiv.classList.add("reading"); + cellDiv.scrollIntoView({ + behavior: "smooth", + }); + } else cellDiv.classList.remove("reading"); + } + }); + + cellDiv.appendChild(input); + cellDiv.appendChild(readingHead); + + return cellDiv; +}; + +const main = () => { + const cells = tape.map((_, cellId) => cell(cellId)); + for (const cell of cells) { + tapeEl.appendChild(cell); + } + state.notify({ type: MESSAGES.SET_READER, cell: 0 }); + + setTimeout(() => {}, 1000); +}; + +main(); -- 2.45.2 From d6b885b318f68f9be19fd3dcc4d77e0f30f25ff5 Mon Sep 17 00:00:00 2001 From: Elizabeth Hunt Date: Tue, 24 Oct 2023 19:54:58 -0600 Subject: [PATCH 2/4] fix julia renderer in chrome --- julia/gpu-browser.js | 19685 +---------------------------------------- julia/julia.js | 2 +- 2 files changed, 19 insertions(+), 19668 deletions(-) diff --git a/julia/gpu-browser.js b/julia/gpu-browser.js index a1f06f4..8ff25f1 100644 --- a/julia/gpu-browser.js +++ b/julia/gpu-browser.js @@ -2,19676 +2,27 @@ * gpu.js * http://gpu.rocks/ * - * GPU Accelerated JavaScript + * GPUX Accelerated JavaScript * - * @version 2.15.2 - * @date Mon Mar 28 2022 10:51:06 GMT-0400 (Eastern Daylight Time) + * @version 2.16.0 + * @date Wed Nov 16 2022 15:48:40 GMT-0500 (Eastern Standard Time) * * @license MIT * The MIT License * * Copyright (c) 2022 gpu.js Team - */(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.GPU = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i code) { return false } - pos += set[i + 1]; - if (pos >= code) { return true } - } - } - - - function isIdentifierStart(code, astral) { - if (code < 65) { return code === 36 } - if (code < 91) { return true } - if (code < 97) { return code === 95 } - if (code < 123) { return true } - if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)) } - if (astral === false) { return false } - return isInAstralSet(code, astralIdentifierStartCodes) - } - - - function isIdentifierChar(code, astral) { - if (code < 48) { return code === 36 } - if (code < 58) { return true } - if (code < 65) { return false } - if (code < 91) { return true } - if (code < 97) { return code === 95 } - if (code < 123) { return true } - if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)) } - if (astral === false) { return false } - return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes) - } - - - - - - var TokenType = function TokenType(label, conf) { - if ( conf === void 0 ) conf = {}; - - this.label = label; - this.keyword = conf.keyword; - this.beforeExpr = !!conf.beforeExpr; - this.startsExpr = !!conf.startsExpr; - this.isLoop = !!conf.isLoop; - this.isAssign = !!conf.isAssign; - this.prefix = !!conf.prefix; - this.postfix = !!conf.postfix; - this.binop = conf.binop || null; - this.updateContext = null; - }; - - function binop(name, prec) { - return new TokenType(name, {beforeExpr: true, binop: prec}) - } - var beforeExpr = {beforeExpr: true}, startsExpr = {startsExpr: true}; - - - var keywords$1 = {}; - - function kw(name, options) { - if ( options === void 0 ) options = {}; - - options.keyword = name; - return keywords$1[name] = new TokenType(name, options) - } - - var types = { - num: new TokenType("num", startsExpr), - regexp: new TokenType("regexp", startsExpr), - string: new TokenType("string", startsExpr), - name: new TokenType("name", startsExpr), - eof: new TokenType("eof"), - - bracketL: new TokenType("[", {beforeExpr: true, startsExpr: true}), - bracketR: new TokenType("]"), - braceL: new TokenType("{", {beforeExpr: true, startsExpr: true}), - braceR: new TokenType("}"), - parenL: new TokenType("(", {beforeExpr: true, startsExpr: true}), - parenR: new TokenType(")"), - comma: new TokenType(",", beforeExpr), - semi: new TokenType(";", beforeExpr), - colon: new TokenType(":", beforeExpr), - dot: new TokenType("."), - question: new TokenType("?", beforeExpr), - questionDot: new TokenType("?."), - arrow: new TokenType("=>", beforeExpr), - template: new TokenType("template"), - invalidTemplate: new TokenType("invalidTemplate"), - ellipsis: new TokenType("...", beforeExpr), - backQuote: new TokenType("`", startsExpr), - dollarBraceL: new TokenType("${", {beforeExpr: true, startsExpr: true}), - - - eq: new TokenType("=", {beforeExpr: true, isAssign: true}), - assign: new TokenType("_=", {beforeExpr: true, isAssign: true}), - incDec: new TokenType("++/--", {prefix: true, postfix: true, startsExpr: true}), - prefix: new TokenType("!/~", {beforeExpr: true, prefix: true, startsExpr: true}), - logicalOR: binop("||", 1), - logicalAND: binop("&&", 2), - bitwiseOR: binop("|", 3), - bitwiseXOR: binop("^", 4), - bitwiseAND: binop("&", 5), - equality: binop("==/!=/===/!==", 6), - relational: binop("/<=/>=", 7), - bitShift: binop("<>/>>>", 8), - plusMin: new TokenType("+/-", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}), - modulo: binop("%", 10), - star: binop("*", 10), - slash: binop("/", 10), - starstar: new TokenType("**", {beforeExpr: true}), - coalesce: binop("??", 1), - - _break: kw("break"), - _case: kw("case", beforeExpr), - _catch: kw("catch"), - _continue: kw("continue"), - _debugger: kw("debugger"), - _default: kw("default", beforeExpr), - _do: kw("do", {isLoop: true, beforeExpr: true}), - _else: kw("else", beforeExpr), - _finally: kw("finally"), - _for: kw("for", {isLoop: true}), - _function: kw("function", startsExpr), - _if: kw("if"), - _return: kw("return", beforeExpr), - _switch: kw("switch"), - _throw: kw("throw", beforeExpr), - _try: kw("try"), - _var: kw("var"), - _const: kw("const"), - _while: kw("while", {isLoop: true}), - _with: kw("with"), - _new: kw("new", {beforeExpr: true, startsExpr: true}), - _this: kw("this", startsExpr), - _super: kw("super", startsExpr), - _class: kw("class", startsExpr), - _extends: kw("extends", beforeExpr), - _export: kw("export"), - _import: kw("import", startsExpr), - _null: kw("null", startsExpr), - _true: kw("true", startsExpr), - _false: kw("false", startsExpr), - _in: kw("in", {beforeExpr: true, binop: 7}), - _instanceof: kw("instanceof", {beforeExpr: true, binop: 7}), - _typeof: kw("typeof", {beforeExpr: true, prefix: true, startsExpr: true}), - _void: kw("void", {beforeExpr: true, prefix: true, startsExpr: true}), - _delete: kw("delete", {beforeExpr: true, prefix: true, startsExpr: true}) - }; - - - var lineBreak = /\r\n?|\n|\u2028|\u2029/; - var lineBreakG = new RegExp(lineBreak.source, "g"); - - function isNewLine(code, ecma2019String) { - return code === 10 || code === 13 || (!ecma2019String && (code === 0x2028 || code === 0x2029)) - } - - var nonASCIIwhitespace = /[\u1680\u2000-\u200a\u202f\u205f\u3000\ufeff]/; - - var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g; - - var ref = Object.prototype; - var hasOwnProperty = ref.hasOwnProperty; - var toString = ref.toString; - - - function has(obj, propName) { - return hasOwnProperty.call(obj, propName) - } - - var isArray = Array.isArray || (function (obj) { return ( - toString.call(obj) === "[object Array]" - ); }); - - function wordsRegexp(words) { - return new RegExp("^(?:" + words.replace(/ /g, "|") + ")$") - } - - - var Position = function Position(line, col) { - this.line = line; - this.column = col; - }; - - Position.prototype.offset = function offset (n) { - return new Position(this.line, this.column + n) - }; - - var SourceLocation = function SourceLocation(p, start, end) { - this.start = start; - this.end = end; - if (p.sourceFile !== null) { this.source = p.sourceFile; } - }; - - - function getLineInfo(input, offset) { - for (var line = 1, cur = 0;;) { - lineBreakG.lastIndex = cur; - var match = lineBreakG.exec(input); - if (match && match.index < offset) { - ++line; - cur = match.index + match[0].length; - } else { - return new Position(line, offset - cur) - } - } - } - - - var defaultOptions = { - ecmaVersion: 10, - sourceType: "script", - onInsertedSemicolon: null, - onTrailingComma: null, - allowReserved: null, - allowReturnOutsideFunction: false, - allowImportExportEverywhere: false, - allowAwaitOutsideFunction: false, - allowHashBang: false, - locations: false, - onToken: null, - onComment: null, - ranges: false, - program: null, - sourceFile: null, - directSourceFile: null, - preserveParens: false - }; - - - function getOptions(opts) { - var options = {}; - - for (var opt in defaultOptions) - { options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt]; } - - if (options.ecmaVersion >= 2015) - { options.ecmaVersion -= 2009; } - - if (options.allowReserved == null) - { options.allowReserved = options.ecmaVersion < 5; } - - if (isArray(options.onToken)) { - var tokens = options.onToken; - options.onToken = function (token) { return tokens.push(token); }; - } - if (isArray(options.onComment)) - { options.onComment = pushComment(options, options.onComment); } - - return options - } - - function pushComment(options, array) { - return function(block, text, start, end, startLoc, endLoc) { - var comment = { - type: block ? "Block" : "Line", - value: text, - start: start, - end: end - }; - if (options.locations) - { comment.loc = new SourceLocation(this, startLoc, endLoc); } - if (options.ranges) - { comment.range = [start, end]; } - array.push(comment); - } - } - - var - SCOPE_TOP = 1, - SCOPE_FUNCTION = 2, - SCOPE_VAR = SCOPE_TOP | SCOPE_FUNCTION, - SCOPE_ASYNC = 4, - SCOPE_GENERATOR = 8, - SCOPE_ARROW = 16, - SCOPE_SIMPLE_CATCH = 32, - SCOPE_SUPER = 64, - SCOPE_DIRECT_SUPER = 128; - - function functionFlags(async, generator) { - return SCOPE_FUNCTION | (async ? SCOPE_ASYNC : 0) | (generator ? SCOPE_GENERATOR : 0) - } - - var - BIND_NONE = 0, - BIND_VAR = 1, - BIND_LEXICAL = 2, - BIND_FUNCTION = 3, - BIND_SIMPLE_CATCH = 4, - BIND_OUTSIDE = 5; - - var Parser = function Parser(options, input, startPos) { - this.options = options = getOptions(options); - this.sourceFile = options.sourceFile; - this.keywords = wordsRegexp(keywords[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]); - var reserved = ""; - if (options.allowReserved !== true) { - for (var v = options.ecmaVersion;; v--) - { if (reserved = reservedWords[v]) { break } } - if (options.sourceType === "module") { reserved += " await"; } - } - this.reservedWords = wordsRegexp(reserved); - var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict; - this.reservedWordsStrict = wordsRegexp(reservedStrict); - this.reservedWordsStrictBind = wordsRegexp(reservedStrict + " " + reservedWords.strictBind); - this.input = String(input); - - this.containsEsc = false; - - - if (startPos) { - this.pos = startPos; - this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1; - this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length; - } else { - this.pos = this.lineStart = 0; - this.curLine = 1; - } - - this.type = types.eof; - this.value = null; - this.start = this.end = this.pos; - this.startLoc = this.endLoc = this.curPosition(); - - this.lastTokEndLoc = this.lastTokStartLoc = null; - this.lastTokStart = this.lastTokEnd = this.pos; - - this.context = this.initialContext(); - this.exprAllowed = true; - - this.inModule = options.sourceType === "module"; - this.strict = this.inModule || this.strictDirective(this.pos); - - this.potentialArrowAt = -1; - - this.yieldPos = this.awaitPos = this.awaitIdentPos = 0; - this.labels = []; - this.undefinedExports = {}; - - if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!") - { this.skipLineComment(2); } - - this.scopeStack = []; - this.enterScope(SCOPE_TOP); - - this.regexpState = null; - }; - - var prototypeAccessors = { inFunction: { configurable: true },inGenerator: { configurable: true },inAsync: { configurable: true },allowSuper: { configurable: true },allowDirectSuper: { configurable: true },treatFunctionsAsVar: { configurable: true } }; - - Parser.prototype.parse = function parse () { - var node = this.options.program || this.startNode(); - this.nextToken(); - return this.parseTopLevel(node) - }; - - prototypeAccessors.inFunction.get = function () { return (this.currentVarScope().flags & SCOPE_FUNCTION) > 0 }; - prototypeAccessors.inGenerator.get = function () { return (this.currentVarScope().flags & SCOPE_GENERATOR) > 0 }; - prototypeAccessors.inAsync.get = function () { return (this.currentVarScope().flags & SCOPE_ASYNC) > 0 }; - prototypeAccessors.allowSuper.get = function () { return (this.currentThisScope().flags & SCOPE_SUPER) > 0 }; - prototypeAccessors.allowDirectSuper.get = function () { return (this.currentThisScope().flags & SCOPE_DIRECT_SUPER) > 0 }; - prototypeAccessors.treatFunctionsAsVar.get = function () { return this.treatFunctionsAsVarInScope(this.currentScope()) }; - - Parser.prototype.inNonArrowFunction = function inNonArrowFunction () { return (this.currentThisScope().flags & SCOPE_FUNCTION) > 0 }; - - Parser.extend = function extend () { - var plugins = [], len = arguments.length; - while ( len-- ) plugins[ len ] = arguments[ len ]; - - var cls = this; - for (var i = 0; i < plugins.length; i++) { cls = plugins[i](cls); } - return cls - }; - - Parser.parse = function parse (input, options) { - return new this(options, input).parse() - }; - - Parser.parseExpressionAt = function parseExpressionAt (input, pos, options) { - var parser = new this(options, input, pos); - parser.nextToken(); - return parser.parseExpression() - }; - - Parser.tokenizer = function tokenizer (input, options) { - return new this(options, input) - }; - - Object.defineProperties( Parser.prototype, prototypeAccessors ); - - var pp = Parser.prototype; - - - var literal = /^(?:'((?:\\.|[^'])*?)'|"((?:\\.|[^"])*?)")/; - pp.strictDirective = function(start) { - for (;;) { - skipWhiteSpace.lastIndex = start; - start += skipWhiteSpace.exec(this.input)[0].length; - var match = literal.exec(this.input.slice(start)); - if (!match) { return false } - if ((match[1] || match[2]) === "use strict") { - skipWhiteSpace.lastIndex = start + match[0].length; - var spaceAfter = skipWhiteSpace.exec(this.input), end = spaceAfter.index + spaceAfter[0].length; - var next = this.input.charAt(end); - return next === ";" || next === "}" || - (lineBreak.test(spaceAfter[0]) && - !(/[(`.[+\-/*%<>=,?^&]/.test(next) || next === "!" && this.input.charAt(end + 1) === "=")) - } - start += match[0].length; - - skipWhiteSpace.lastIndex = start; - start += skipWhiteSpace.exec(this.input)[0].length; - if (this.input[start] === ";") - { start++; } - } - }; - - - pp.eat = function(type) { - if (this.type === type) { - this.next(); - return true - } else { - return false - } - }; - - - pp.isContextual = function(name) { - return this.type === types.name && this.value === name && !this.containsEsc - }; - - - pp.eatContextual = function(name) { - if (!this.isContextual(name)) { return false } - this.next(); - return true - }; - - - pp.expectContextual = function(name) { - if (!this.eatContextual(name)) { this.unexpected(); } - }; - - - pp.canInsertSemicolon = function() { - return this.type === types.eof || - this.type === types.braceR || - lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) - }; - - pp.insertSemicolon = function() { - if (this.canInsertSemicolon()) { - if (this.options.onInsertedSemicolon) - { this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); } - return true - } - }; - - - pp.semicolon = function() { - if (!this.eat(types.semi) && !this.insertSemicolon()) { this.unexpected(); } - }; - - pp.afterTrailingComma = function(tokType, notNext) { - if (this.type === tokType) { - if (this.options.onTrailingComma) - { this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); } - if (!notNext) - { this.next(); } - return true - } - }; - - - pp.expect = function(type) { - this.eat(type) || this.unexpected(); - }; - - - pp.unexpected = function(pos) { - this.raise(pos != null ? pos : this.start, "Unexpected token"); - }; - - function DestructuringErrors() { - this.shorthandAssign = - this.trailingComma = - this.parenthesizedAssign = - this.parenthesizedBind = - this.doubleProto = - -1; - } - - pp.checkPatternErrors = function(refDestructuringErrors, isAssign) { - if (!refDestructuringErrors) { return } - if (refDestructuringErrors.trailingComma > -1) - { this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element"); } - var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind; - if (parens > -1) { this.raiseRecoverable(parens, "Parenthesized pattern"); } - }; - - pp.checkExpressionErrors = function(refDestructuringErrors, andThrow) { - if (!refDestructuringErrors) { return false } - var shorthandAssign = refDestructuringErrors.shorthandAssign; - var doubleProto = refDestructuringErrors.doubleProto; - if (!andThrow) { return shorthandAssign >= 0 || doubleProto >= 0 } - if (shorthandAssign >= 0) - { this.raise(shorthandAssign, "Shorthand property assignments are valid only in destructuring patterns"); } - if (doubleProto >= 0) - { this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property"); } - }; - - pp.checkYieldAwaitInDefaultParams = function() { - if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos)) - { this.raise(this.yieldPos, "Yield expression cannot be a default value"); } - if (this.awaitPos) - { this.raise(this.awaitPos, "Await expression cannot be a default value"); } - }; - - pp.isSimpleAssignTarget = function(expr) { - if (expr.type === "ParenthesizedExpression") - { return this.isSimpleAssignTarget(expr.expression) } - return expr.type === "Identifier" || expr.type === "MemberExpression" - }; - - var pp$1 = Parser.prototype; - - - - pp$1.parseTopLevel = function(node) { - var exports = {}; - if (!node.body) { node.body = []; } - while (this.type !== types.eof) { - var stmt = this.parseStatement(null, true, exports); - node.body.push(stmt); - } - if (this.inModule) - { for (var i = 0, list = Object.keys(this.undefinedExports); i < list.length; i += 1) - { - var name = list[i]; - - this.raiseRecoverable(this.undefinedExports[name].start, ("Export '" + name + "' is not defined")); - } } - this.adaptDirectivePrologue(node.body); - this.next(); - node.sourceType = this.options.sourceType; - return this.finishNode(node, "Program") - }; - - var loopLabel = {kind: "loop"}, switchLabel = {kind: "switch"}; - - pp$1.isLet = function(context) { - if (this.options.ecmaVersion < 6 || !this.isContextual("let")) { return false } - skipWhiteSpace.lastIndex = this.pos; - var skip = skipWhiteSpace.exec(this.input); - var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); - if (nextCh === 91) { return true } - if (context) { return false } - - if (nextCh === 123) { return true } - if (isIdentifierStart(nextCh, true)) { - var pos = next + 1; - while (isIdentifierChar(this.input.charCodeAt(pos), true)) { ++pos; } - var ident = this.input.slice(next, pos); - if (!keywordRelationalOperator.test(ident)) { return true } - } - return false - }; - - pp$1.isAsyncFunction = function() { - if (this.options.ecmaVersion < 8 || !this.isContextual("async")) - { return false } - - skipWhiteSpace.lastIndex = this.pos; - var skip = skipWhiteSpace.exec(this.input); - var next = this.pos + skip[0].length; - return !lineBreak.test(this.input.slice(this.pos, next)) && - this.input.slice(next, next + 8) === "function" && - (next + 8 === this.input.length || !isIdentifierChar(this.input.charAt(next + 8))) - }; - - - pp$1.parseStatement = function(context, topLevel, exports) { - var starttype = this.type, node = this.startNode(), kind; - - if (this.isLet(context)) { - starttype = types._var; - kind = "let"; - } - - - switch (starttype) { - case types._break: case types._continue: return this.parseBreakContinueStatement(node, starttype.keyword) - case types._debugger: return this.parseDebuggerStatement(node) - case types._do: return this.parseDoStatement(node) - case types._for: return this.parseForStatement(node) - case types._function: - if ((context && (this.strict || context !== "if" && context !== "label")) && this.options.ecmaVersion >= 6) { this.unexpected(); } - return this.parseFunctionStatement(node, false, !context) - case types._class: - if (context) { this.unexpected(); } - return this.parseClass(node, true) - case types._if: return this.parseIfStatement(node) - case types._return: return this.parseReturnStatement(node) - case types._switch: return this.parseSwitchStatement(node) - case types._throw: return this.parseThrowStatement(node) - case types._try: return this.parseTryStatement(node) - case types._const: case types._var: - kind = kind || this.value; - if (context && kind !== "var") { this.unexpected(); } - return this.parseVarStatement(node, kind) - case types._while: return this.parseWhileStatement(node) - case types._with: return this.parseWithStatement(node) - case types.braceL: return this.parseBlock(true, node) - case types.semi: return this.parseEmptyStatement(node) - case types._export: - case types._import: - if (this.options.ecmaVersion > 10 && starttype === types._import) { - skipWhiteSpace.lastIndex = this.pos; - var skip = skipWhiteSpace.exec(this.input); - var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); - if (nextCh === 40 || nextCh === 46) - { return this.parseExpressionStatement(node, this.parseExpression()) } - } - - if (!this.options.allowImportExportEverywhere) { - if (!topLevel) - { this.raise(this.start, "'import' and 'export' may only appear at the top level"); } - if (!this.inModule) - { this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'"); } - } - return starttype === types._import ? this.parseImport(node) : this.parseExport(node, exports) - - default: - if (this.isAsyncFunction()) { - if (context) { this.unexpected(); } - this.next(); - return this.parseFunctionStatement(node, true, !context) - } - - var maybeName = this.value, expr = this.parseExpression(); - if (starttype === types.name && expr.type === "Identifier" && this.eat(types.colon)) - { return this.parseLabeledStatement(node, maybeName, expr, context) } - else { return this.parseExpressionStatement(node, expr) } - } - }; - - pp$1.parseBreakContinueStatement = function(node, keyword) { - var isBreak = keyword === "break"; - this.next(); - if (this.eat(types.semi) || this.insertSemicolon()) { node.label = null; } - else if (this.type !== types.name) { this.unexpected(); } - else { - node.label = this.parseIdent(); - this.semicolon(); - } - - var i = 0; - for (; i < this.labels.length; ++i) { - var lab = this.labels[i]; - if (node.label == null || lab.name === node.label.name) { - if (lab.kind != null && (isBreak || lab.kind === "loop")) { break } - if (node.label && isBreak) { break } - } - } - if (i === this.labels.length) { this.raise(node.start, "Unsyntactic " + keyword); } - return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement") - }; - - pp$1.parseDebuggerStatement = function(node) { - this.next(); - this.semicolon(); - return this.finishNode(node, "DebuggerStatement") - }; - - pp$1.parseDoStatement = function(node) { - this.next(); - this.labels.push(loopLabel); - node.body = this.parseStatement("do"); - this.labels.pop(); - this.expect(types._while); - node.test = this.parseParenExpression(); - if (this.options.ecmaVersion >= 6) - { this.eat(types.semi); } - else - { this.semicolon(); } - return this.finishNode(node, "DoWhileStatement") - }; - - - pp$1.parseForStatement = function(node) { - this.next(); - var awaitAt = (this.options.ecmaVersion >= 9 && (this.inAsync || (!this.inFunction && this.options.allowAwaitOutsideFunction)) && this.eatContextual("await")) ? this.lastTokStart : -1; - this.labels.push(loopLabel); - this.enterScope(0); - this.expect(types.parenL); - if (this.type === types.semi) { - if (awaitAt > -1) { this.unexpected(awaitAt); } - return this.parseFor(node, null) - } - var isLet = this.isLet(); - if (this.type === types._var || this.type === types._const || isLet) { - var init$1 = this.startNode(), kind = isLet ? "let" : this.value; - this.next(); - this.parseVar(init$1, true, kind); - this.finishNode(init$1, "VariableDeclaration"); - if ((this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init$1.declarations.length === 1) { - if (this.options.ecmaVersion >= 9) { - if (this.type === types._in) { - if (awaitAt > -1) { this.unexpected(awaitAt); } - } else { node.await = awaitAt > -1; } - } - return this.parseForIn(node, init$1) - } - if (awaitAt > -1) { this.unexpected(awaitAt); } - return this.parseFor(node, init$1) - } - var refDestructuringErrors = new DestructuringErrors; - var init = this.parseExpression(true, refDestructuringErrors); - if (this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) { - if (this.options.ecmaVersion >= 9) { - if (this.type === types._in) { - if (awaitAt > -1) { this.unexpected(awaitAt); } - } else { node.await = awaitAt > -1; } - } - this.toAssignable(init, false, refDestructuringErrors); - this.checkLVal(init); - return this.parseForIn(node, init) - } else { - this.checkExpressionErrors(refDestructuringErrors, true); - } - if (awaitAt > -1) { this.unexpected(awaitAt); } - return this.parseFor(node, init) - }; - - pp$1.parseFunctionStatement = function(node, isAsync, declarationPosition) { - this.next(); - return this.parseFunction(node, FUNC_STATEMENT | (declarationPosition ? 0 : FUNC_HANGING_STATEMENT), false, isAsync) - }; - - pp$1.parseIfStatement = function(node) { - this.next(); - node.test = this.parseParenExpression(); - node.consequent = this.parseStatement("if"); - node.alternate = this.eat(types._else) ? this.parseStatement("if") : null; - return this.finishNode(node, "IfStatement") - }; - - pp$1.parseReturnStatement = function(node) { - if (!this.inFunction && !this.options.allowReturnOutsideFunction) - { this.raise(this.start, "'return' outside of function"); } - this.next(); - - - if (this.eat(types.semi) || this.insertSemicolon()) { node.argument = null; } - else { node.argument = this.parseExpression(); this.semicolon(); } - return this.finishNode(node, "ReturnStatement") - }; - - pp$1.parseSwitchStatement = function(node) { - this.next(); - node.discriminant = this.parseParenExpression(); - node.cases = []; - this.expect(types.braceL); - this.labels.push(switchLabel); - this.enterScope(0); - - - var cur; - for (var sawDefault = false; this.type !== types.braceR;) { - if (this.type === types._case || this.type === types._default) { - var isCase = this.type === types._case; - if (cur) { this.finishNode(cur, "SwitchCase"); } - node.cases.push(cur = this.startNode()); - cur.consequent = []; - this.next(); - if (isCase) { - cur.test = this.parseExpression(); - } else { - if (sawDefault) { this.raiseRecoverable(this.lastTokStart, "Multiple default clauses"); } - sawDefault = true; - cur.test = null; - } - this.expect(types.colon); - } else { - if (!cur) { this.unexpected(); } - cur.consequent.push(this.parseStatement(null)); - } - } - this.exitScope(); - if (cur) { this.finishNode(cur, "SwitchCase"); } - this.next(); - this.labels.pop(); - return this.finishNode(node, "SwitchStatement") - }; - - pp$1.parseThrowStatement = function(node) { - this.next(); - if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) - { this.raise(this.lastTokEnd, "Illegal newline after throw"); } - node.argument = this.parseExpression(); - this.semicolon(); - return this.finishNode(node, "ThrowStatement") - }; - - - var empty = []; - - pp$1.parseTryStatement = function(node) { - this.next(); - node.block = this.parseBlock(); - node.handler = null; - if (this.type === types._catch) { - var clause = this.startNode(); - this.next(); - if (this.eat(types.parenL)) { - clause.param = this.parseBindingAtom(); - var simple = clause.param.type === "Identifier"; - this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); - this.checkLVal(clause.param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); - this.expect(types.parenR); - } else { - if (this.options.ecmaVersion < 10) { this.unexpected(); } - clause.param = null; - this.enterScope(0); - } - clause.body = this.parseBlock(false); - this.exitScope(); - node.handler = this.finishNode(clause, "CatchClause"); - } - node.finalizer = this.eat(types._finally) ? this.parseBlock() : null; - if (!node.handler && !node.finalizer) - { this.raise(node.start, "Missing catch or finally clause"); } - return this.finishNode(node, "TryStatement") - }; - - pp$1.parseVarStatement = function(node, kind) { - this.next(); - this.parseVar(node, false, kind); - this.semicolon(); - return this.finishNode(node, "VariableDeclaration") - }; - - pp$1.parseWhileStatement = function(node) { - this.next(); - node.test = this.parseParenExpression(); - this.labels.push(loopLabel); - node.body = this.parseStatement("while"); - this.labels.pop(); - return this.finishNode(node, "WhileStatement") - }; - - pp$1.parseWithStatement = function(node) { - if (this.strict) { this.raise(this.start, "'with' in strict mode"); } - this.next(); - node.object = this.parseParenExpression(); - node.body = this.parseStatement("with"); - return this.finishNode(node, "WithStatement") - }; - - pp$1.parseEmptyStatement = function(node) { - this.next(); - return this.finishNode(node, "EmptyStatement") - }; - - pp$1.parseLabeledStatement = function(node, maybeName, expr, context) { - for (var i$1 = 0, list = this.labels; i$1 < list.length; i$1 += 1) - { - var label = list[i$1]; - - if (label.name === maybeName) - { this.raise(expr.start, "Label '" + maybeName + "' is already declared"); - } } - var kind = this.type.isLoop ? "loop" : this.type === types._switch ? "switch" : null; - for (var i = this.labels.length - 1; i >= 0; i--) { - var label$1 = this.labels[i]; - if (label$1.statementStart === node.start) { - label$1.statementStart = this.start; - label$1.kind = kind; - } else { break } - } - this.labels.push({name: maybeName, kind: kind, statementStart: this.start}); - node.body = this.parseStatement(context ? context.indexOf("label") === -1 ? context + "label" : context : "label"); - this.labels.pop(); - node.label = expr; - return this.finishNode(node, "LabeledStatement") - }; - - pp$1.parseExpressionStatement = function(node, expr) { - node.expression = expr; - this.semicolon(); - return this.finishNode(node, "ExpressionStatement") - }; - - - pp$1.parseBlock = function(createNewLexicalScope, node, exitStrict) { - if ( createNewLexicalScope === void 0 ) createNewLexicalScope = true; - if ( node === void 0 ) node = this.startNode(); - - node.body = []; - this.expect(types.braceL); - if (createNewLexicalScope) { this.enterScope(0); } - while (this.type !== types.braceR) { - var stmt = this.parseStatement(null); - node.body.push(stmt); - } - if (exitStrict) { this.strict = false; } - this.next(); - if (createNewLexicalScope) { this.exitScope(); } - return this.finishNode(node, "BlockStatement") - }; - - - pp$1.parseFor = function(node, init) { - node.init = init; - this.expect(types.semi); - node.test = this.type === types.semi ? null : this.parseExpression(); - this.expect(types.semi); - node.update = this.type === types.parenR ? null : this.parseExpression(); - this.expect(types.parenR); - node.body = this.parseStatement("for"); - this.exitScope(); - this.labels.pop(); - return this.finishNode(node, "ForStatement") - }; - - - pp$1.parseForIn = function(node, init) { - var isForIn = this.type === types._in; - this.next(); - - if ( - init.type === "VariableDeclaration" && - init.declarations[0].init != null && - ( - !isForIn || - this.options.ecmaVersion < 8 || - this.strict || - init.kind !== "var" || - init.declarations[0].id.type !== "Identifier" - ) - ) { - this.raise( - init.start, - ((isForIn ? "for-in" : "for-of") + " loop variable declaration may not have an initializer") - ); - } else if (init.type === "AssignmentPattern") { - this.raise(init.start, "Invalid left-hand side in for-loop"); - } - node.left = init; - node.right = isForIn ? this.parseExpression() : this.parseMaybeAssign(); - this.expect(types.parenR); - node.body = this.parseStatement("for"); - this.exitScope(); - this.labels.pop(); - return this.finishNode(node, isForIn ? "ForInStatement" : "ForOfStatement") - }; - - - pp$1.parseVar = function(node, isFor, kind) { - node.declarations = []; - node.kind = kind; - for (;;) { - var decl = this.startNode(); - this.parseVarId(decl, kind); - if (this.eat(types.eq)) { - decl.init = this.parseMaybeAssign(isFor); - } else if (kind === "const" && !(this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { - this.unexpected(); - } else if (decl.id.type !== "Identifier" && !(isFor && (this.type === types._in || this.isContextual("of")))) { - this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value"); - } else { - decl.init = null; - } - node.declarations.push(this.finishNode(decl, "VariableDeclarator")); - if (!this.eat(types.comma)) { break } - } - return node - }; - - pp$1.parseVarId = function(decl, kind) { - decl.id = this.parseBindingAtom(); - this.checkLVal(decl.id, kind === "var" ? BIND_VAR : BIND_LEXICAL, false); - }; - - var FUNC_STATEMENT = 1, FUNC_HANGING_STATEMENT = 2, FUNC_NULLABLE_ID = 4; - - - pp$1.parseFunction = function(node, statement, allowExpressionBody, isAsync) { - this.initFunction(node); - if (this.options.ecmaVersion >= 9 || this.options.ecmaVersion >= 6 && !isAsync) { - if (this.type === types.star && (statement & FUNC_HANGING_STATEMENT)) - { this.unexpected(); } - node.generator = this.eat(types.star); - } - if (this.options.ecmaVersion >= 8) - { node.async = !!isAsync; } - - if (statement & FUNC_STATEMENT) { - node.id = (statement & FUNC_NULLABLE_ID) && this.type !== types.name ? null : this.parseIdent(); - if (node.id && !(statement & FUNC_HANGING_STATEMENT)) - { this.checkLVal(node.id, (this.strict || node.generator || node.async) ? this.treatFunctionsAsVar ? BIND_VAR : BIND_LEXICAL : BIND_FUNCTION); } - } - - var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; - this.yieldPos = 0; - this.awaitPos = 0; - this.awaitIdentPos = 0; - this.enterScope(functionFlags(node.async, node.generator)); - - if (!(statement & FUNC_STATEMENT)) - { node.id = this.type === types.name ? this.parseIdent() : null; } - - this.parseFunctionParams(node); - this.parseFunctionBody(node, allowExpressionBody, false); - - this.yieldPos = oldYieldPos; - this.awaitPos = oldAwaitPos; - this.awaitIdentPos = oldAwaitIdentPos; - return this.finishNode(node, (statement & FUNC_STATEMENT) ? "FunctionDeclaration" : "FunctionExpression") - }; - - pp$1.parseFunctionParams = function(node) { - this.expect(types.parenL); - node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8); - this.checkYieldAwaitInDefaultParams(); - }; - - - pp$1.parseClass = function(node, isStatement) { - this.next(); - - var oldStrict = this.strict; - this.strict = true; - - this.parseClassId(node, isStatement); - this.parseClassSuper(node); - var classBody = this.startNode(); - var hadConstructor = false; - classBody.body = []; - this.expect(types.braceL); - while (this.type !== types.braceR) { - var element = this.parseClassElement(node.superClass !== null); - if (element) { - classBody.body.push(element); - if (element.type === "MethodDefinition" && element.kind === "constructor") { - if (hadConstructor) { this.raise(element.start, "Duplicate constructor in the same class"); } - hadConstructor = true; - } - } - } - this.strict = oldStrict; - this.next(); - node.body = this.finishNode(classBody, "ClassBody"); - return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression") - }; - - pp$1.parseClassElement = function(constructorAllowsSuper) { - var this$1 = this; - - if (this.eat(types.semi)) { return null } - - var method = this.startNode(); - var tryContextual = function (k, noLineBreak) { - if ( noLineBreak === void 0 ) noLineBreak = false; - - var start = this$1.start, startLoc = this$1.startLoc; - if (!this$1.eatContextual(k)) { return false } - if (this$1.type !== types.parenL && (!noLineBreak || !this$1.canInsertSemicolon())) { return true } - if (method.key) { this$1.unexpected(); } - method.computed = false; - method.key = this$1.startNodeAt(start, startLoc); - method.key.name = k; - this$1.finishNode(method.key, "Identifier"); - return false - }; - - method.kind = "method"; - method.static = tryContextual("static"); - var isGenerator = this.eat(types.star); - var isAsync = false; - if (!isGenerator) { - if (this.options.ecmaVersion >= 8 && tryContextual("async", true)) { - isAsync = true; - isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star); - } else if (tryContextual("get")) { - method.kind = "get"; - } else if (tryContextual("set")) { - method.kind = "set"; - } - } - if (!method.key) { this.parsePropertyName(method); } - var key = method.key; - var allowsDirectSuper = false; - if (!method.computed && !method.static && (key.type === "Identifier" && key.name === "constructor" || - key.type === "Literal" && key.value === "constructor")) { - if (method.kind !== "method") { this.raise(key.start, "Constructor can't have get/set modifier"); } - if (isGenerator) { this.raise(key.start, "Constructor can't be a generator"); } - if (isAsync) { this.raise(key.start, "Constructor can't be an async method"); } - method.kind = "constructor"; - allowsDirectSuper = constructorAllowsSuper; - } else if (method.static && key.type === "Identifier" && key.name === "prototype") { - this.raise(key.start, "Classes may not have a static property named prototype"); - } - this.parseClassMethod(method, isGenerator, isAsync, allowsDirectSuper); - if (method.kind === "get" && method.value.params.length !== 0) - { this.raiseRecoverable(method.value.start, "getter should have no params"); } - if (method.kind === "set" && method.value.params.length !== 1) - { this.raiseRecoverable(method.value.start, "setter should have exactly one param"); } - if (method.kind === "set" && method.value.params[0].type === "RestElement") - { this.raiseRecoverable(method.value.params[0].start, "Setter cannot use rest params"); } - return method - }; - - pp$1.parseClassMethod = function(method, isGenerator, isAsync, allowsDirectSuper) { - method.value = this.parseMethod(isGenerator, isAsync, allowsDirectSuper); - return this.finishNode(method, "MethodDefinition") - }; - - pp$1.parseClassId = function(node, isStatement) { - if (this.type === types.name) { - node.id = this.parseIdent(); - if (isStatement) - { this.checkLVal(node.id, BIND_LEXICAL, false); } - } else { - if (isStatement === true) - { this.unexpected(); } - node.id = null; - } - }; - - pp$1.parseClassSuper = function(node) { - node.superClass = this.eat(types._extends) ? this.parseExprSubscripts() : null; - }; - - - pp$1.parseExport = function(node, exports) { - this.next(); - if (this.eat(types.star)) { - if (this.options.ecmaVersion >= 11) { - if (this.eatContextual("as")) { - node.exported = this.parseIdent(true); - this.checkExport(exports, node.exported.name, this.lastTokStart); - } else { - node.exported = null; - } - } - this.expectContextual("from"); - if (this.type !== types.string) { this.unexpected(); } - node.source = this.parseExprAtom(); - this.semicolon(); - return this.finishNode(node, "ExportAllDeclaration") - } - if (this.eat(types._default)) { - this.checkExport(exports, "default", this.lastTokStart); - var isAsync; - if (this.type === types._function || (isAsync = this.isAsyncFunction())) { - var fNode = this.startNode(); - this.next(); - if (isAsync) { this.next(); } - node.declaration = this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync); - } else if (this.type === types._class) { - var cNode = this.startNode(); - node.declaration = this.parseClass(cNode, "nullableID"); - } else { - node.declaration = this.parseMaybeAssign(); - this.semicolon(); - } - return this.finishNode(node, "ExportDefaultDeclaration") - } - if (this.shouldParseExportStatement()) { - node.declaration = this.parseStatement(null); - if (node.declaration.type === "VariableDeclaration") - { this.checkVariableExport(exports, node.declaration.declarations); } - else - { this.checkExport(exports, node.declaration.id.name, node.declaration.id.start); } - node.specifiers = []; - node.source = null; - } else { - node.declaration = null; - node.specifiers = this.parseExportSpecifiers(exports); - if (this.eatContextual("from")) { - if (this.type !== types.string) { this.unexpected(); } - node.source = this.parseExprAtom(); - } else { - for (var i = 0, list = node.specifiers; i < list.length; i += 1) { - var spec = list[i]; - - this.checkUnreserved(spec.local); - this.checkLocalExport(spec.local); - } - - node.source = null; - } - this.semicolon(); - } - return this.finishNode(node, "ExportNamedDeclaration") - }; - - pp$1.checkExport = function(exports, name, pos) { - if (!exports) { return } - if (has(exports, name)) - { this.raiseRecoverable(pos, "Duplicate export '" + name + "'"); } - exports[name] = true; - }; - - pp$1.checkPatternExport = function(exports, pat) { - var type = pat.type; - if (type === "Identifier") - { this.checkExport(exports, pat.name, pat.start); } - else if (type === "ObjectPattern") - { for (var i = 0, list = pat.properties; i < list.length; i += 1) - { - var prop = list[i]; - - this.checkPatternExport(exports, prop); - } } - else if (type === "ArrayPattern") - { for (var i$1 = 0, list$1 = pat.elements; i$1 < list$1.length; i$1 += 1) { - var elt = list$1[i$1]; - - if (elt) { this.checkPatternExport(exports, elt); } - } } - else if (type === "Property") - { this.checkPatternExport(exports, pat.value); } - else if (type === "AssignmentPattern") - { this.checkPatternExport(exports, pat.left); } - else if (type === "RestElement") - { this.checkPatternExport(exports, pat.argument); } - else if (type === "ParenthesizedExpression") - { this.checkPatternExport(exports, pat.expression); } - }; - - pp$1.checkVariableExport = function(exports, decls) { - if (!exports) { return } - for (var i = 0, list = decls; i < list.length; i += 1) - { - var decl = list[i]; - - this.checkPatternExport(exports, decl.id); - } - }; - - pp$1.shouldParseExportStatement = function() { - return this.type.keyword === "var" || - this.type.keyword === "const" || - this.type.keyword === "class" || - this.type.keyword === "function" || - this.isLet() || - this.isAsyncFunction() - }; - - - pp$1.parseExportSpecifiers = function(exports) { - var nodes = [], first = true; - this.expect(types.braceL); - while (!this.eat(types.braceR)) { - if (!first) { - this.expect(types.comma); - if (this.afterTrailingComma(types.braceR)) { break } - } else { first = false; } - - var node = this.startNode(); - node.local = this.parseIdent(true); - node.exported = this.eatContextual("as") ? this.parseIdent(true) : node.local; - this.checkExport(exports, node.exported.name, node.exported.start); - nodes.push(this.finishNode(node, "ExportSpecifier")); - } - return nodes - }; - - - pp$1.parseImport = function(node) { - this.next(); - if (this.type === types.string) { - node.specifiers = empty; - node.source = this.parseExprAtom(); - } else { - node.specifiers = this.parseImportSpecifiers(); - this.expectContextual("from"); - node.source = this.type === types.string ? this.parseExprAtom() : this.unexpected(); - } - this.semicolon(); - return this.finishNode(node, "ImportDeclaration") - }; - - - pp$1.parseImportSpecifiers = function() { - var nodes = [], first = true; - if (this.type === types.name) { - var node = this.startNode(); - node.local = this.parseIdent(); - this.checkLVal(node.local, BIND_LEXICAL); - nodes.push(this.finishNode(node, "ImportDefaultSpecifier")); - if (!this.eat(types.comma)) { return nodes } - } - if (this.type === types.star) { - var node$1 = this.startNode(); - this.next(); - this.expectContextual("as"); - node$1.local = this.parseIdent(); - this.checkLVal(node$1.local, BIND_LEXICAL); - nodes.push(this.finishNode(node$1, "ImportNamespaceSpecifier")); - return nodes - } - this.expect(types.braceL); - while (!this.eat(types.braceR)) { - if (!first) { - this.expect(types.comma); - if (this.afterTrailingComma(types.braceR)) { break } - } else { first = false; } - - var node$2 = this.startNode(); - node$2.imported = this.parseIdent(true); - if (this.eatContextual("as")) { - node$2.local = this.parseIdent(); - } else { - this.checkUnreserved(node$2.imported); - node$2.local = node$2.imported; - } - this.checkLVal(node$2.local, BIND_LEXICAL); - nodes.push(this.finishNode(node$2, "ImportSpecifier")); - } - return nodes - }; - - pp$1.adaptDirectivePrologue = function(statements) { - for (var i = 0; i < statements.length && this.isDirectiveCandidate(statements[i]); ++i) { - statements[i].directive = statements[i].expression.raw.slice(1, -1); - } - }; - pp$1.isDirectiveCandidate = function(statement) { - return ( - statement.type === "ExpressionStatement" && - statement.expression.type === "Literal" && - typeof statement.expression.value === "string" && - (this.input[statement.start] === "\"" || this.input[statement.start] === "'") - ) - }; - - var pp$2 = Parser.prototype; - - - pp$2.toAssignable = function(node, isBinding, refDestructuringErrors) { - if (this.options.ecmaVersion >= 6 && node) { - switch (node.type) { - case "Identifier": - if (this.inAsync && node.name === "await") - { this.raise(node.start, "Cannot use 'await' as identifier inside an async function"); } - break - - case "ObjectPattern": - case "ArrayPattern": - case "RestElement": - break - - case "ObjectExpression": - node.type = "ObjectPattern"; - if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } - for (var i = 0, list = node.properties; i < list.length; i += 1) { - var prop = list[i]; - - this.toAssignable(prop, isBinding); - if ( - prop.type === "RestElement" && - (prop.argument.type === "ArrayPattern" || prop.argument.type === "ObjectPattern") - ) { - this.raise(prop.argument.start, "Unexpected token"); - } - } - break - - case "Property": - if (node.kind !== "init") { this.raise(node.key.start, "Object pattern can't contain getter or setter"); } - this.toAssignable(node.value, isBinding); - break - - case "ArrayExpression": - node.type = "ArrayPattern"; - if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } - this.toAssignableList(node.elements, isBinding); - break - - case "SpreadElement": - node.type = "RestElement"; - this.toAssignable(node.argument, isBinding); - if (node.argument.type === "AssignmentPattern") - { this.raise(node.argument.start, "Rest elements cannot have a default value"); } - break - - case "AssignmentExpression": - if (node.operator !== "=") { this.raise(node.left.end, "Only '=' operator can be used for specifying default value."); } - node.type = "AssignmentPattern"; - delete node.operator; - this.toAssignable(node.left, isBinding); - - case "AssignmentPattern": - break - - case "ParenthesizedExpression": - this.toAssignable(node.expression, isBinding, refDestructuringErrors); - break - - case "ChainExpression": - this.raiseRecoverable(node.start, "Optional chaining cannot appear in left-hand side"); - break - - case "MemberExpression": - if (!isBinding) { break } - - default: - this.raise(node.start, "Assigning to rvalue"); - } - } else if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } - return node - }; - - - pp$2.toAssignableList = function(exprList, isBinding) { - var end = exprList.length; - for (var i = 0; i < end; i++) { - var elt = exprList[i]; - if (elt) { this.toAssignable(elt, isBinding); } - } - if (end) { - var last = exprList[end - 1]; - if (this.options.ecmaVersion === 6 && isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier") - { this.unexpected(last.argument.start); } - } - return exprList - }; - - - pp$2.parseSpread = function(refDestructuringErrors) { - var node = this.startNode(); - this.next(); - node.argument = this.parseMaybeAssign(false, refDestructuringErrors); - return this.finishNode(node, "SpreadElement") - }; - - pp$2.parseRestBinding = function() { - var node = this.startNode(); - this.next(); - - if (this.options.ecmaVersion === 6 && this.type !== types.name) - { this.unexpected(); } - - node.argument = this.parseBindingAtom(); - - return this.finishNode(node, "RestElement") - }; - - - pp$2.parseBindingAtom = function() { - if (this.options.ecmaVersion >= 6) { - switch (this.type) { - case types.bracketL: - var node = this.startNode(); - this.next(); - node.elements = this.parseBindingList(types.bracketR, true, true); - return this.finishNode(node, "ArrayPattern") - - case types.braceL: - return this.parseObj(true) - } - } - return this.parseIdent() - }; - - pp$2.parseBindingList = function(close, allowEmpty, allowTrailingComma) { - var elts = [], first = true; - while (!this.eat(close)) { - if (first) { first = false; } - else { this.expect(types.comma); } - if (allowEmpty && this.type === types.comma) { - elts.push(null); - } else if (allowTrailingComma && this.afterTrailingComma(close)) { - break - } else if (this.type === types.ellipsis) { - var rest = this.parseRestBinding(); - this.parseBindingListItem(rest); - elts.push(rest); - if (this.type === types.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } - this.expect(close); - break - } else { - var elem = this.parseMaybeDefault(this.start, this.startLoc); - this.parseBindingListItem(elem); - elts.push(elem); - } - } - return elts - }; - - pp$2.parseBindingListItem = function(param) { - return param - }; - - - pp$2.parseMaybeDefault = function(startPos, startLoc, left) { - left = left || this.parseBindingAtom(); - if (this.options.ecmaVersion < 6 || !this.eat(types.eq)) { return left } - var node = this.startNodeAt(startPos, startLoc); - node.left = left; - node.right = this.parseMaybeAssign(); - return this.finishNode(node, "AssignmentPattern") - }; - - - pp$2.checkLVal = function(expr, bindingType, checkClashes) { - if ( bindingType === void 0 ) bindingType = BIND_NONE; - - switch (expr.type) { - case "Identifier": - if (bindingType === BIND_LEXICAL && expr.name === "let") - { this.raiseRecoverable(expr.start, "let is disallowed as a lexically bound name"); } - if (this.strict && this.reservedWordsStrictBind.test(expr.name)) - { this.raiseRecoverable(expr.start, (bindingType ? "Binding " : "Assigning to ") + expr.name + " in strict mode"); } - if (checkClashes) { - if (has(checkClashes, expr.name)) - { this.raiseRecoverable(expr.start, "Argument name clash"); } - checkClashes[expr.name] = true; - } - if (bindingType !== BIND_NONE && bindingType !== BIND_OUTSIDE) { this.declareName(expr.name, bindingType, expr.start); } - break - - case "ChainExpression": - this.raiseRecoverable(expr.start, "Optional chaining cannot appear in left-hand side"); - break - - case "MemberExpression": - if (bindingType) { this.raiseRecoverable(expr.start, "Binding member expression"); } - break - - case "ObjectPattern": - for (var i = 0, list = expr.properties; i < list.length; i += 1) - { - var prop = list[i]; - - this.checkLVal(prop, bindingType, checkClashes); - } - break - - case "Property": - this.checkLVal(expr.value, bindingType, checkClashes); - break - - case "ArrayPattern": - for (var i$1 = 0, list$1 = expr.elements; i$1 < list$1.length; i$1 += 1) { - var elem = list$1[i$1]; - - if (elem) { this.checkLVal(elem, bindingType, checkClashes); } - } - break - - case "AssignmentPattern": - this.checkLVal(expr.left, bindingType, checkClashes); - break - - case "RestElement": - this.checkLVal(expr.argument, bindingType, checkClashes); - break - - case "ParenthesizedExpression": - this.checkLVal(expr.expression, bindingType, checkClashes); - break - - default: - this.raise(expr.start, (bindingType ? "Binding" : "Assigning to") + " rvalue"); - } - }; - - - var pp$3 = Parser.prototype; - - - pp$3.checkPropClash = function(prop, propHash, refDestructuringErrors) { - if (this.options.ecmaVersion >= 9 && prop.type === "SpreadElement") - { return } - if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand)) - { return } - var key = prop.key; - var name; - switch (key.type) { - case "Identifier": name = key.name; break - case "Literal": name = String(key.value); break - default: return - } - var kind = prop.kind; - if (this.options.ecmaVersion >= 6) { - if (name === "__proto__" && kind === "init") { - if (propHash.proto) { - if (refDestructuringErrors) { - if (refDestructuringErrors.doubleProto < 0) - { refDestructuringErrors.doubleProto = key.start; } - } else { this.raiseRecoverable(key.start, "Redefinition of __proto__ property"); } - } - propHash.proto = true; - } - return - } - name = "$" + name; - var other = propHash[name]; - if (other) { - var redefinition; - if (kind === "init") { - redefinition = this.strict && other.init || other.get || other.set; - } else { - redefinition = other.init || other[kind]; - } - if (redefinition) - { this.raiseRecoverable(key.start, "Redefinition of property"); } - } else { - other = propHash[name] = { - init: false, - get: false, - set: false - }; - } - other[kind] = true; - }; - - - - - pp$3.parseExpression = function(noIn, refDestructuringErrors) { - var startPos = this.start, startLoc = this.startLoc; - var expr = this.parseMaybeAssign(noIn, refDestructuringErrors); - if (this.type === types.comma) { - var node = this.startNodeAt(startPos, startLoc); - node.expressions = [expr]; - while (this.eat(types.comma)) { node.expressions.push(this.parseMaybeAssign(noIn, refDestructuringErrors)); } - return this.finishNode(node, "SequenceExpression") - } - return expr - }; - - - pp$3.parseMaybeAssign = function(noIn, refDestructuringErrors, afterLeftParse) { - if (this.isContextual("yield")) { - if (this.inGenerator) { return this.parseYield(noIn) } - else { this.exprAllowed = false; } - } - - var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1; - if (refDestructuringErrors) { - oldParenAssign = refDestructuringErrors.parenthesizedAssign; - oldTrailingComma = refDestructuringErrors.trailingComma; - refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1; - } else { - refDestructuringErrors = new DestructuringErrors; - ownDestructuringErrors = true; - } - - var startPos = this.start, startLoc = this.startLoc; - if (this.type === types.parenL || this.type === types.name) - { this.potentialArrowAt = this.start; } - var left = this.parseMaybeConditional(noIn, refDestructuringErrors); - if (afterLeftParse) { left = afterLeftParse.call(this, left, startPos, startLoc); } - if (this.type.isAssign) { - var node = this.startNodeAt(startPos, startLoc); - node.operator = this.value; - node.left = this.type === types.eq ? this.toAssignable(left, false, refDestructuringErrors) : left; - if (!ownDestructuringErrors) { - refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = refDestructuringErrors.doubleProto = -1; - } - if (refDestructuringErrors.shorthandAssign >= node.left.start) - { refDestructuringErrors.shorthandAssign = -1; } - this.checkLVal(left); - this.next(); - node.right = this.parseMaybeAssign(noIn); - return this.finishNode(node, "AssignmentExpression") - } else { - if (ownDestructuringErrors) { this.checkExpressionErrors(refDestructuringErrors, true); } - } - if (oldParenAssign > -1) { refDestructuringErrors.parenthesizedAssign = oldParenAssign; } - if (oldTrailingComma > -1) { refDestructuringErrors.trailingComma = oldTrailingComma; } - return left - }; - - - pp$3.parseMaybeConditional = function(noIn, refDestructuringErrors) { - var startPos = this.start, startLoc = this.startLoc; - var expr = this.parseExprOps(noIn, refDestructuringErrors); - if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } - if (this.eat(types.question)) { - var node = this.startNodeAt(startPos, startLoc); - node.test = expr; - node.consequent = this.parseMaybeAssign(); - this.expect(types.colon); - node.alternate = this.parseMaybeAssign(noIn); - return this.finishNode(node, "ConditionalExpression") - } - return expr - }; - - - pp$3.parseExprOps = function(noIn, refDestructuringErrors) { - var startPos = this.start, startLoc = this.startLoc; - var expr = this.parseMaybeUnary(refDestructuringErrors, false); - if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } - return expr.start === startPos && expr.type === "ArrowFunctionExpression" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, noIn) - }; - - - pp$3.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, noIn) { - var prec = this.type.binop; - if (prec != null && (!noIn || this.type !== types._in)) { - if (prec > minPrec) { - var logical = this.type === types.logicalOR || this.type === types.logicalAND; - var coalesce = this.type === types.coalesce; - if (coalesce) { - prec = types.logicalAND.binop; - } - var op = this.value; - this.next(); - var startPos = this.start, startLoc = this.startLoc; - var right = this.parseExprOp(this.parseMaybeUnary(null, false), startPos, startLoc, prec, noIn); - var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical || coalesce); - if ((logical && this.type === types.coalesce) || (coalesce && (this.type === types.logicalOR || this.type === types.logicalAND))) { - this.raiseRecoverable(this.start, "Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses"); - } - return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, noIn) - } - } - return left - }; - - pp$3.buildBinary = function(startPos, startLoc, left, right, op, logical) { - var node = this.startNodeAt(startPos, startLoc); - node.left = left; - node.operator = op; - node.right = right; - return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression") - }; - - - pp$3.parseMaybeUnary = function(refDestructuringErrors, sawUnary) { - var startPos = this.start, startLoc = this.startLoc, expr; - if (this.isContextual("await") && (this.inAsync || (!this.inFunction && this.options.allowAwaitOutsideFunction))) { - expr = this.parseAwait(); - sawUnary = true; - } else if (this.type.prefix) { - var node = this.startNode(), update = this.type === types.incDec; - node.operator = this.value; - node.prefix = true; - this.next(); - node.argument = this.parseMaybeUnary(null, true); - this.checkExpressionErrors(refDestructuringErrors, true); - if (update) { this.checkLVal(node.argument); } - else if (this.strict && node.operator === "delete" && - node.argument.type === "Identifier") - { this.raiseRecoverable(node.start, "Deleting local variable in strict mode"); } - else { sawUnary = true; } - expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression"); - } else { - expr = this.parseExprSubscripts(refDestructuringErrors); - if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } - while (this.type.postfix && !this.canInsertSemicolon()) { - var node$1 = this.startNodeAt(startPos, startLoc); - node$1.operator = this.value; - node$1.prefix = false; - node$1.argument = expr; - this.checkLVal(expr); - this.next(); - expr = this.finishNode(node$1, "UpdateExpression"); - } - } - - if (!sawUnary && this.eat(types.starstar)) - { return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false), "**", false) } - else - { return expr } - }; - - - pp$3.parseExprSubscripts = function(refDestructuringErrors) { - var startPos = this.start, startLoc = this.startLoc; - var expr = this.parseExprAtom(refDestructuringErrors); - if (expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")") - { return expr } - var result = this.parseSubscripts(expr, startPos, startLoc); - if (refDestructuringErrors && result.type === "MemberExpression") { - if (refDestructuringErrors.parenthesizedAssign >= result.start) { refDestructuringErrors.parenthesizedAssign = -1; } - if (refDestructuringErrors.parenthesizedBind >= result.start) { refDestructuringErrors.parenthesizedBind = -1; } - } - return result - }; - - pp$3.parseSubscripts = function(base, startPos, startLoc, noCalls) { - var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" && - this.lastTokEnd === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && - this.potentialArrowAt === base.start; - var optionalChained = false; - - while (true) { - var element = this.parseSubscript(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained); - - if (element.optional) { optionalChained = true; } - if (element === base || element.type === "ArrowFunctionExpression") { - if (optionalChained) { - var chainNode = this.startNodeAt(startPos, startLoc); - chainNode.expression = element; - element = this.finishNode(chainNode, "ChainExpression"); - } - return element - } - - base = element; - } - }; - - pp$3.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained) { - var optionalSupported = this.options.ecmaVersion >= 11; - var optional = optionalSupported && this.eat(types.questionDot); - if (noCalls && optional) { this.raise(this.lastTokStart, "Optional chaining cannot appear in the callee of new expressions"); } - - var computed = this.eat(types.bracketL); - if (computed || (optional && this.type !== types.parenL && this.type !== types.backQuote) || this.eat(types.dot)) { - var node = this.startNodeAt(startPos, startLoc); - node.object = base; - node.property = computed ? this.parseExpression() : this.parseIdent(this.options.allowReserved !== "never"); - node.computed = !!computed; - if (computed) { this.expect(types.bracketR); } - if (optionalSupported) { - node.optional = optional; - } - base = this.finishNode(node, "MemberExpression"); - } else if (!noCalls && this.eat(types.parenL)) { - var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; - this.yieldPos = 0; - this.awaitPos = 0; - this.awaitIdentPos = 0; - var exprList = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors); - if (maybeAsyncArrow && !optional && !this.canInsertSemicolon() && this.eat(types.arrow)) { - this.checkPatternErrors(refDestructuringErrors, false); - this.checkYieldAwaitInDefaultParams(); - if (this.awaitIdentPos > 0) - { this.raise(this.awaitIdentPos, "Cannot use 'await' as identifier inside an async function"); } - this.yieldPos = oldYieldPos; - this.awaitPos = oldAwaitPos; - this.awaitIdentPos = oldAwaitIdentPos; - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true) - } - this.checkExpressionErrors(refDestructuringErrors, true); - this.yieldPos = oldYieldPos || this.yieldPos; - this.awaitPos = oldAwaitPos || this.awaitPos; - this.awaitIdentPos = oldAwaitIdentPos || this.awaitIdentPos; - var node$1 = this.startNodeAt(startPos, startLoc); - node$1.callee = base; - node$1.arguments = exprList; - if (optionalSupported) { - node$1.optional = optional; - } - base = this.finishNode(node$1, "CallExpression"); - } else if (this.type === types.backQuote) { - if (optional || optionalChained) { - this.raise(this.start, "Optional chaining cannot appear in the tag of tagged template expressions"); - } - var node$2 = this.startNodeAt(startPos, startLoc); - node$2.tag = base; - node$2.quasi = this.parseTemplate({isTagged: true}); - base = this.finishNode(node$2, "TaggedTemplateExpression"); - } - return base - }; - - - pp$3.parseExprAtom = function(refDestructuringErrors) { - if (this.type === types.slash) { this.readRegexp(); } - - var node, canBeArrow = this.potentialArrowAt === this.start; - switch (this.type) { - case types._super: - if (!this.allowSuper) - { this.raise(this.start, "'super' keyword outside a method"); } - node = this.startNode(); - this.next(); - if (this.type === types.parenL && !this.allowDirectSuper) - { this.raise(node.start, "super() call outside constructor of a subclass"); } - if (this.type !== types.dot && this.type !== types.bracketL && this.type !== types.parenL) - { this.unexpected(); } - return this.finishNode(node, "Super") - - case types._this: - node = this.startNode(); - this.next(); - return this.finishNode(node, "ThisExpression") - - case types.name: - var startPos = this.start, startLoc = this.startLoc, containsEsc = this.containsEsc; - var id = this.parseIdent(false); - if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === "async" && !this.canInsertSemicolon() && this.eat(types._function)) - { return this.parseFunction(this.startNodeAt(startPos, startLoc), 0, false, true) } - if (canBeArrow && !this.canInsertSemicolon()) { - if (this.eat(types.arrow)) - { return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false) } - if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types.name && !containsEsc) { - id = this.parseIdent(false); - if (this.canInsertSemicolon() || !this.eat(types.arrow)) - { this.unexpected(); } - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true) - } - } - return id - - case types.regexp: - var value = this.value; - node = this.parseLiteral(value.value); - node.regex = {pattern: value.pattern, flags: value.flags}; - return node - - case types.num: case types.string: - return this.parseLiteral(this.value) - - case types._null: case types._true: case types._false: - node = this.startNode(); - node.value = this.type === types._null ? null : this.type === types._true; - node.raw = this.type.keyword; - this.next(); - return this.finishNode(node, "Literal") - - case types.parenL: - var start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow); - if (refDestructuringErrors) { - if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr)) - { refDestructuringErrors.parenthesizedAssign = start; } - if (refDestructuringErrors.parenthesizedBind < 0) - { refDestructuringErrors.parenthesizedBind = start; } - } - return expr - - case types.bracketL: - node = this.startNode(); - this.next(); - node.elements = this.parseExprList(types.bracketR, true, true, refDestructuringErrors); - return this.finishNode(node, "ArrayExpression") - - case types.braceL: - return this.parseObj(false, refDestructuringErrors) - - case types._function: - node = this.startNode(); - this.next(); - return this.parseFunction(node, 0) - - case types._class: - return this.parseClass(this.startNode(), false) - - case types._new: - return this.parseNew() - - case types.backQuote: - return this.parseTemplate() - - case types._import: - if (this.options.ecmaVersion >= 11) { - return this.parseExprImport() - } else { - return this.unexpected() - } - - default: - this.unexpected(); - } - }; - - pp$3.parseExprImport = function() { - var node = this.startNode(); - - if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword import"); } - var meta = this.parseIdent(true); - - switch (this.type) { - case types.parenL: - return this.parseDynamicImport(node) - case types.dot: - node.meta = meta; - return this.parseImportMeta(node) - default: - this.unexpected(); - } - }; - - pp$3.parseDynamicImport = function(node) { - this.next(); - - node.source = this.parseMaybeAssign(); - - if (!this.eat(types.parenR)) { - var errorPos = this.start; - if (this.eat(types.comma) && this.eat(types.parenR)) { - this.raiseRecoverable(errorPos, "Trailing comma is not allowed in import()"); - } else { - this.unexpected(errorPos); - } - } - - return this.finishNode(node, "ImportExpression") - }; - - pp$3.parseImportMeta = function(node) { - this.next(); - - var containsEsc = this.containsEsc; - node.property = this.parseIdent(true); - - if (node.property.name !== "meta") - { this.raiseRecoverable(node.property.start, "The only valid meta property for import is 'import.meta'"); } - if (containsEsc) - { this.raiseRecoverable(node.start, "'import.meta' must not contain escaped characters"); } - if (this.options.sourceType !== "module") - { this.raiseRecoverable(node.start, "Cannot use 'import.meta' outside a module"); } - - return this.finishNode(node, "MetaProperty") - }; - - pp$3.parseLiteral = function(value) { - var node = this.startNode(); - node.value = value; - node.raw = this.input.slice(this.start, this.end); - if (node.raw.charCodeAt(node.raw.length - 1) === 110) { node.bigint = node.raw.slice(0, -1).replace(/_/g, ""); } - this.next(); - return this.finishNode(node, "Literal") - }; - - pp$3.parseParenExpression = function() { - this.expect(types.parenL); - var val = this.parseExpression(); - this.expect(types.parenR); - return val - }; - - pp$3.parseParenAndDistinguishExpression = function(canBeArrow) { - var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8; - if (this.options.ecmaVersion >= 6) { - this.next(); - - var innerStartPos = this.start, innerStartLoc = this.startLoc; - var exprList = [], first = true, lastIsComma = false; - var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart; - this.yieldPos = 0; - this.awaitPos = 0; - while (this.type !== types.parenR) { - first ? first = false : this.expect(types.comma); - if (allowTrailingComma && this.afterTrailingComma(types.parenR, true)) { - lastIsComma = true; - break - } else if (this.type === types.ellipsis) { - spreadStart = this.start; - exprList.push(this.parseParenItem(this.parseRestBinding())); - if (this.type === types.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } - break - } else { - exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem)); - } - } - var innerEndPos = this.start, innerEndLoc = this.startLoc; - this.expect(types.parenR); - - if (canBeArrow && !this.canInsertSemicolon() && this.eat(types.arrow)) { - this.checkPatternErrors(refDestructuringErrors, false); - this.checkYieldAwaitInDefaultParams(); - this.yieldPos = oldYieldPos; - this.awaitPos = oldAwaitPos; - return this.parseParenArrowList(startPos, startLoc, exprList) - } - - if (!exprList.length || lastIsComma) { this.unexpected(this.lastTokStart); } - if (spreadStart) { this.unexpected(spreadStart); } - this.checkExpressionErrors(refDestructuringErrors, true); - this.yieldPos = oldYieldPos || this.yieldPos; - this.awaitPos = oldAwaitPos || this.awaitPos; - - if (exprList.length > 1) { - val = this.startNodeAt(innerStartPos, innerStartLoc); - val.expressions = exprList; - this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc); - } else { - val = exprList[0]; - } - } else { - val = this.parseParenExpression(); - } - - if (this.options.preserveParens) { - var par = this.startNodeAt(startPos, startLoc); - par.expression = val; - return this.finishNode(par, "ParenthesizedExpression") - } else { - return val - } - }; - - pp$3.parseParenItem = function(item) { - return item - }; - - pp$3.parseParenArrowList = function(startPos, startLoc, exprList) { - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList) - }; - - - var empty$1 = []; - - pp$3.parseNew = function() { - if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword new"); } - var node = this.startNode(); - var meta = this.parseIdent(true); - if (this.options.ecmaVersion >= 6 && this.eat(types.dot)) { - node.meta = meta; - var containsEsc = this.containsEsc; - node.property = this.parseIdent(true); - if (node.property.name !== "target") - { this.raiseRecoverable(node.property.start, "The only valid meta property for new is 'new.target'"); } - if (containsEsc) - { this.raiseRecoverable(node.start, "'new.target' must not contain escaped characters"); } - if (!this.inNonArrowFunction()) - { this.raiseRecoverable(node.start, "'new.target' can only be used in functions"); } - return this.finishNode(node, "MetaProperty") - } - var startPos = this.start, startLoc = this.startLoc, isImport = this.type === types._import; - node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true); - if (isImport && node.callee.type === "ImportExpression") { - this.raise(startPos, "Cannot use new with import()"); - } - if (this.eat(types.parenL)) { node.arguments = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false); } - else { node.arguments = empty$1; } - return this.finishNode(node, "NewExpression") - }; - - - pp$3.parseTemplateElement = function(ref) { - var isTagged = ref.isTagged; - - var elem = this.startNode(); - if (this.type === types.invalidTemplate) { - if (!isTagged) { - this.raiseRecoverable(this.start, "Bad escape sequence in untagged template literal"); - } - elem.value = { - raw: this.value, - cooked: null - }; - } else { - elem.value = { - raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, "\n"), - cooked: this.value - }; - } - this.next(); - elem.tail = this.type === types.backQuote; - return this.finishNode(elem, "TemplateElement") - }; - - pp$3.parseTemplate = function(ref) { - if ( ref === void 0 ) ref = {}; - var isTagged = ref.isTagged; if ( isTagged === void 0 ) isTagged = false; - - var node = this.startNode(); - this.next(); - node.expressions = []; - var curElt = this.parseTemplateElement({isTagged: isTagged}); - node.quasis = [curElt]; - while (!curElt.tail) { - if (this.type === types.eof) { this.raise(this.pos, "Unterminated template literal"); } - this.expect(types.dollarBraceL); - node.expressions.push(this.parseExpression()); - this.expect(types.braceR); - node.quasis.push(curElt = this.parseTemplateElement({isTagged: isTagged})); - } - this.next(); - return this.finishNode(node, "TemplateLiteral") - }; - - pp$3.isAsyncProp = function(prop) { - return !prop.computed && prop.key.type === "Identifier" && prop.key.name === "async" && - (this.type === types.name || this.type === types.num || this.type === types.string || this.type === types.bracketL || this.type.keyword || (this.options.ecmaVersion >= 9 && this.type === types.star)) && - !lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) - }; - - - pp$3.parseObj = function(isPattern, refDestructuringErrors) { - var node = this.startNode(), first = true, propHash = {}; - node.properties = []; - this.next(); - while (!this.eat(types.braceR)) { - if (!first) { - this.expect(types.comma); - if (this.options.ecmaVersion >= 5 && this.afterTrailingComma(types.braceR)) { break } - } else { first = false; } - - var prop = this.parseProperty(isPattern, refDestructuringErrors); - if (!isPattern) { this.checkPropClash(prop, propHash, refDestructuringErrors); } - node.properties.push(prop); - } - return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression") - }; - - pp$3.parseProperty = function(isPattern, refDestructuringErrors) { - var prop = this.startNode(), isGenerator, isAsync, startPos, startLoc; - if (this.options.ecmaVersion >= 9 && this.eat(types.ellipsis)) { - if (isPattern) { - prop.argument = this.parseIdent(false); - if (this.type === types.comma) { - this.raise(this.start, "Comma is not permitted after the rest element"); - } - return this.finishNode(prop, "RestElement") - } - if (this.type === types.parenL && refDestructuringErrors) { - if (refDestructuringErrors.parenthesizedAssign < 0) { - refDestructuringErrors.parenthesizedAssign = this.start; - } - if (refDestructuringErrors.parenthesizedBind < 0) { - refDestructuringErrors.parenthesizedBind = this.start; - } - } - prop.argument = this.parseMaybeAssign(false, refDestructuringErrors); - if (this.type === types.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) { - refDestructuringErrors.trailingComma = this.start; - } - return this.finishNode(prop, "SpreadElement") - } - if (this.options.ecmaVersion >= 6) { - prop.method = false; - prop.shorthand = false; - if (isPattern || refDestructuringErrors) { - startPos = this.start; - startLoc = this.startLoc; - } - if (!isPattern) - { isGenerator = this.eat(types.star); } - } - var containsEsc = this.containsEsc; - this.parsePropertyName(prop); - if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) { - isAsync = true; - isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star); - this.parsePropertyName(prop, refDestructuringErrors); - } else { - isAsync = false; - } - this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc); - return this.finishNode(prop, "Property") - }; - - pp$3.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) { - if ((isGenerator || isAsync) && this.type === types.colon) - { this.unexpected(); } - - if (this.eat(types.colon)) { - prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors); - prop.kind = "init"; - } else if (this.options.ecmaVersion >= 6 && this.type === types.parenL) { - if (isPattern) { this.unexpected(); } - prop.kind = "init"; - prop.method = true; - prop.value = this.parseMethod(isGenerator, isAsync); - } else if (!isPattern && !containsEsc && - this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" && - (prop.key.name === "get" || prop.key.name === "set") && - (this.type !== types.comma && this.type !== types.braceR && this.type !== types.eq)) { - if (isGenerator || isAsync) { this.unexpected(); } - prop.kind = prop.key.name; - this.parsePropertyName(prop); - prop.value = this.parseMethod(false); - var paramCount = prop.kind === "get" ? 0 : 1; - if (prop.value.params.length !== paramCount) { - var start = prop.value.start; - if (prop.kind === "get") - { this.raiseRecoverable(start, "getter should have no params"); } - else - { this.raiseRecoverable(start, "setter should have exactly one param"); } - } else { - if (prop.kind === "set" && prop.value.params[0].type === "RestElement") - { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } - } - } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") { - if (isGenerator || isAsync) { this.unexpected(); } - this.checkUnreserved(prop.key); - if (prop.key.name === "await" && !this.awaitIdentPos) - { this.awaitIdentPos = startPos; } - prop.kind = "init"; - if (isPattern) { - prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key); - } else if (this.type === types.eq && refDestructuringErrors) { - if (refDestructuringErrors.shorthandAssign < 0) - { refDestructuringErrors.shorthandAssign = this.start; } - prop.value = this.parseMaybeDefault(startPos, startLoc, prop.key); - } else { - prop.value = prop.key; - } - prop.shorthand = true; - } else { this.unexpected(); } - }; - - pp$3.parsePropertyName = function(prop) { - if (this.options.ecmaVersion >= 6) { - if (this.eat(types.bracketL)) { - prop.computed = true; - prop.key = this.parseMaybeAssign(); - this.expect(types.bracketR); - return prop.key - } else { - prop.computed = false; - } - } - return prop.key = this.type === types.num || this.type === types.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never") - }; - - - pp$3.initFunction = function(node) { - node.id = null; - if (this.options.ecmaVersion >= 6) { node.generator = node.expression = false; } - if (this.options.ecmaVersion >= 8) { node.async = false; } - }; - - - pp$3.parseMethod = function(isGenerator, isAsync, allowDirectSuper) { - var node = this.startNode(), oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; - - this.initFunction(node); - if (this.options.ecmaVersion >= 6) - { node.generator = isGenerator; } - if (this.options.ecmaVersion >= 8) - { node.async = !!isAsync; } - - this.yieldPos = 0; - this.awaitPos = 0; - this.awaitIdentPos = 0; - this.enterScope(functionFlags(isAsync, node.generator) | SCOPE_SUPER | (allowDirectSuper ? SCOPE_DIRECT_SUPER : 0)); - - this.expect(types.parenL); - node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8); - this.checkYieldAwaitInDefaultParams(); - this.parseFunctionBody(node, false, true); - - this.yieldPos = oldYieldPos; - this.awaitPos = oldAwaitPos; - this.awaitIdentPos = oldAwaitIdentPos; - return this.finishNode(node, "FunctionExpression") - }; - - - pp$3.parseArrowExpression = function(node, params, isAsync) { - var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; - - this.enterScope(functionFlags(isAsync, false) | SCOPE_ARROW); - this.initFunction(node); - if (this.options.ecmaVersion >= 8) { node.async = !!isAsync; } - - this.yieldPos = 0; - this.awaitPos = 0; - this.awaitIdentPos = 0; - - node.params = this.toAssignableList(params, true); - this.parseFunctionBody(node, true, false); - - this.yieldPos = oldYieldPos; - this.awaitPos = oldAwaitPos; - this.awaitIdentPos = oldAwaitIdentPos; - return this.finishNode(node, "ArrowFunctionExpression") - }; - - - pp$3.parseFunctionBody = function(node, isArrowFunction, isMethod) { - var isExpression = isArrowFunction && this.type !== types.braceL; - var oldStrict = this.strict, useStrict = false; - - if (isExpression) { - node.body = this.parseMaybeAssign(); - node.expression = true; - this.checkParams(node, false); - } else { - var nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params); - if (!oldStrict || nonSimple) { - useStrict = this.strictDirective(this.end); - if (useStrict && nonSimple) - { this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list"); } - } - var oldLabels = this.labels; - this.labels = []; - if (useStrict) { this.strict = true; } - - this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && !isMethod && this.isSimpleParamList(node.params)); - if (this.strict && node.id) { this.checkLVal(node.id, BIND_OUTSIDE); } - node.body = this.parseBlock(false, undefined, useStrict && !oldStrict); - node.expression = false; - this.adaptDirectivePrologue(node.body.body); - this.labels = oldLabels; - } - this.exitScope(); - }; - - pp$3.isSimpleParamList = function(params) { - for (var i = 0, list = params; i < list.length; i += 1) - { - var param = list[i]; - - if (param.type !== "Identifier") { return false - } } - return true - }; - - - pp$3.checkParams = function(node, allowDuplicates) { - var nameHash = {}; - for (var i = 0, list = node.params; i < list.length; i += 1) - { - var param = list[i]; - - this.checkLVal(param, BIND_VAR, allowDuplicates ? null : nameHash); - } - }; - - - pp$3.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) { - var elts = [], first = true; - while (!this.eat(close)) { - if (!first) { - this.expect(types.comma); - if (allowTrailingComma && this.afterTrailingComma(close)) { break } - } else { first = false; } - - var elt = (void 0); - if (allowEmpty && this.type === types.comma) - { elt = null; } - else if (this.type === types.ellipsis) { - elt = this.parseSpread(refDestructuringErrors); - if (refDestructuringErrors && this.type === types.comma && refDestructuringErrors.trailingComma < 0) - { refDestructuringErrors.trailingComma = this.start; } - } else { - elt = this.parseMaybeAssign(false, refDestructuringErrors); - } - elts.push(elt); - } - return elts - }; - - pp$3.checkUnreserved = function(ref) { - var start = ref.start; - var end = ref.end; - var name = ref.name; - - if (this.inGenerator && name === "yield") - { this.raiseRecoverable(start, "Cannot use 'yield' as identifier inside a generator"); } - if (this.inAsync && name === "await") - { this.raiseRecoverable(start, "Cannot use 'await' as identifier inside an async function"); } - if (this.keywords.test(name)) - { this.raise(start, ("Unexpected keyword '" + name + "'")); } - if (this.options.ecmaVersion < 6 && - this.input.slice(start, end).indexOf("\\") !== -1) { return } - var re = this.strict ? this.reservedWordsStrict : this.reservedWords; - if (re.test(name)) { - if (!this.inAsync && name === "await") - { this.raiseRecoverable(start, "Cannot use keyword 'await' outside an async function"); } - this.raiseRecoverable(start, ("The keyword '" + name + "' is reserved")); - } - }; - - - pp$3.parseIdent = function(liberal, isBinding) { - var node = this.startNode(); - if (this.type === types.name) { - node.name = this.value; - } else if (this.type.keyword) { - node.name = this.type.keyword; - - if ((node.name === "class" || node.name === "function") && - (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { - this.context.pop(); - } - } else { - this.unexpected(); - } - this.next(!!liberal); - this.finishNode(node, "Identifier"); - if (!liberal) { - this.checkUnreserved(node); - if (node.name === "await" && !this.awaitIdentPos) - { this.awaitIdentPos = node.start; } - } - return node - }; - - - pp$3.parseYield = function(noIn) { - if (!this.yieldPos) { this.yieldPos = this.start; } - - var node = this.startNode(); - this.next(); - if (this.type === types.semi || this.canInsertSemicolon() || (this.type !== types.star && !this.type.startsExpr)) { - node.delegate = false; - node.argument = null; - } else { - node.delegate = this.eat(types.star); - node.argument = this.parseMaybeAssign(noIn); - } - return this.finishNode(node, "YieldExpression") - }; - - pp$3.parseAwait = function() { - if (!this.awaitPos) { this.awaitPos = this.start; } - - var node = this.startNode(); - this.next(); - node.argument = this.parseMaybeUnary(null, false); - return this.finishNode(node, "AwaitExpression") - }; - - var pp$4 = Parser.prototype; - - - pp$4.raise = function(pos, message) { - var loc = getLineInfo(this.input, pos); - message += " (" + loc.line + ":" + loc.column + ")"; - var err = new SyntaxError(message); - err.pos = pos; err.loc = loc; err.raisedAt = this.pos; - throw err - }; - - pp$4.raiseRecoverable = pp$4.raise; - - pp$4.curPosition = function() { - if (this.options.locations) { - return new Position(this.curLine, this.pos - this.lineStart) - } - }; - - var pp$5 = Parser.prototype; - - var Scope = function Scope(flags) { - this.flags = flags; - this.var = []; - this.lexical = []; - this.functions = []; - }; - - - pp$5.enterScope = function(flags) { - this.scopeStack.push(new Scope(flags)); - }; - - pp$5.exitScope = function() { - this.scopeStack.pop(); - }; - - pp$5.treatFunctionsAsVarInScope = function(scope) { - return (scope.flags & SCOPE_FUNCTION) || !this.inModule && (scope.flags & SCOPE_TOP) - }; - - pp$5.declareName = function(name, bindingType, pos) { - var redeclared = false; - if (bindingType === BIND_LEXICAL) { - var scope = this.currentScope(); - redeclared = scope.lexical.indexOf(name) > -1 || scope.functions.indexOf(name) > -1 || scope.var.indexOf(name) > -1; - scope.lexical.push(name); - if (this.inModule && (scope.flags & SCOPE_TOP)) - { delete this.undefinedExports[name]; } - } else if (bindingType === BIND_SIMPLE_CATCH) { - var scope$1 = this.currentScope(); - scope$1.lexical.push(name); - } else if (bindingType === BIND_FUNCTION) { - var scope$2 = this.currentScope(); - if (this.treatFunctionsAsVar) - { redeclared = scope$2.lexical.indexOf(name) > -1; } - else - { redeclared = scope$2.lexical.indexOf(name) > -1 || scope$2.var.indexOf(name) > -1; } - scope$2.functions.push(name); - } else { - for (var i = this.scopeStack.length - 1; i >= 0; --i) { - var scope$3 = this.scopeStack[i]; - if (scope$3.lexical.indexOf(name) > -1 && !((scope$3.flags & SCOPE_SIMPLE_CATCH) && scope$3.lexical[0] === name) || - !this.treatFunctionsAsVarInScope(scope$3) && scope$3.functions.indexOf(name) > -1) { - redeclared = true; - break - } - scope$3.var.push(name); - if (this.inModule && (scope$3.flags & SCOPE_TOP)) - { delete this.undefinedExports[name]; } - if (scope$3.flags & SCOPE_VAR) { break } - } - } - if (redeclared) { this.raiseRecoverable(pos, ("Identifier '" + name + "' has already been declared")); } - }; - - pp$5.checkLocalExport = function(id) { - if (this.scopeStack[0].lexical.indexOf(id.name) === -1 && - this.scopeStack[0].var.indexOf(id.name) === -1) { - this.undefinedExports[id.name] = id; - } - }; - - pp$5.currentScope = function() { - return this.scopeStack[this.scopeStack.length - 1] - }; - - pp$5.currentVarScope = function() { - for (var i = this.scopeStack.length - 1;; i--) { - var scope = this.scopeStack[i]; - if (scope.flags & SCOPE_VAR) { return scope } - } - }; - - pp$5.currentThisScope = function() { - for (var i = this.scopeStack.length - 1;; i--) { - var scope = this.scopeStack[i]; - if (scope.flags & SCOPE_VAR && !(scope.flags & SCOPE_ARROW)) { return scope } - } - }; - - var Node = function Node(parser, pos, loc) { - this.type = ""; - this.start = pos; - this.end = 0; - if (parser.options.locations) - { this.loc = new SourceLocation(parser, loc); } - if (parser.options.directSourceFile) - { this.sourceFile = parser.options.directSourceFile; } - if (parser.options.ranges) - { this.range = [pos, 0]; } - }; - - - var pp$6 = Parser.prototype; - - pp$6.startNode = function() { - return new Node(this, this.start, this.startLoc) - }; - - pp$6.startNodeAt = function(pos, loc) { - return new Node(this, pos, loc) - }; - - - function finishNodeAt(node, type, pos, loc) { - node.type = type; - node.end = pos; - if (this.options.locations) - { node.loc.end = loc; } - if (this.options.ranges) - { node.range[1] = pos; } - return node - } - - pp$6.finishNode = function(node, type) { - return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc) - }; - - - pp$6.finishNodeAt = function(node, type, pos, loc) { - return finishNodeAt.call(this, node, type, pos, loc) - }; - - - var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) { - this.token = token; - this.isExpr = !!isExpr; - this.preserveSpace = !!preserveSpace; - this.override = override; - this.generator = !!generator; - }; - - var types$1 = { - b_stat: new TokContext("{", false), - b_expr: new TokContext("{", true), - b_tmpl: new TokContext("${", false), - p_stat: new TokContext("(", false), - p_expr: new TokContext("(", true), - q_tmpl: new TokContext("`", true, true, function (p) { return p.tryReadTemplateToken(); }), - f_stat: new TokContext("function", false), - f_expr: new TokContext("function", true), - f_expr_gen: new TokContext("function", true, false, null, true), - f_gen: new TokContext("function", false, false, null, true) - }; - - var pp$7 = Parser.prototype; - - pp$7.initialContext = function() { - return [types$1.b_stat] - }; - - pp$7.braceIsBlock = function(prevType) { - var parent = this.curContext(); - if (parent === types$1.f_expr || parent === types$1.f_stat) - { return true } - if (prevType === types.colon && (parent === types$1.b_stat || parent === types$1.b_expr)) - { return !parent.isExpr } - - if (prevType === types._return || prevType === types.name && this.exprAllowed) - { return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) } - if (prevType === types._else || prevType === types.semi || prevType === types.eof || prevType === types.parenR || prevType === types.arrow) - { return true } - if (prevType === types.braceL) - { return parent === types$1.b_stat } - if (prevType === types._var || prevType === types._const || prevType === types.name) - { return false } - return !this.exprAllowed - }; - - pp$7.inGeneratorContext = function() { - for (var i = this.context.length - 1; i >= 1; i--) { - var context = this.context[i]; - if (context.token === "function") - { return context.generator } - } - return false - }; - - pp$7.updateContext = function(prevType) { - var update, type = this.type; - if (type.keyword && prevType === types.dot) - { this.exprAllowed = false; } - else if (update = type.updateContext) - { update.call(this, prevType); } - else - { this.exprAllowed = type.beforeExpr; } - }; - - - types.parenR.updateContext = types.braceR.updateContext = function() { - if (this.context.length === 1) { - this.exprAllowed = true; - return - } - var out = this.context.pop(); - if (out === types$1.b_stat && this.curContext().token === "function") { - out = this.context.pop(); - } - this.exprAllowed = !out.isExpr; - }; - - types.braceL.updateContext = function(prevType) { - this.context.push(this.braceIsBlock(prevType) ? types$1.b_stat : types$1.b_expr); - this.exprAllowed = true; - }; - - types.dollarBraceL.updateContext = function() { - this.context.push(types$1.b_tmpl); - this.exprAllowed = true; - }; - - types.parenL.updateContext = function(prevType) { - var statementParens = prevType === types._if || prevType === types._for || prevType === types._with || prevType === types._while; - this.context.push(statementParens ? types$1.p_stat : types$1.p_expr); - this.exprAllowed = true; - }; - - types.incDec.updateContext = function() { - }; - - types._function.updateContext = types._class.updateContext = function(prevType) { - if (prevType.beforeExpr && prevType !== types.semi && prevType !== types._else && - !(prevType === types._return && lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) && - !((prevType === types.colon || prevType === types.braceL) && this.curContext() === types$1.b_stat)) - { this.context.push(types$1.f_expr); } - else - { this.context.push(types$1.f_stat); } - this.exprAllowed = false; - }; - - types.backQuote.updateContext = function() { - if (this.curContext() === types$1.q_tmpl) - { this.context.pop(); } - else - { this.context.push(types$1.q_tmpl); } - this.exprAllowed = false; - }; - - types.star.updateContext = function(prevType) { - if (prevType === types._function) { - var index = this.context.length - 1; - if (this.context[index] === types$1.f_expr) - { this.context[index] = types$1.f_expr_gen; } - else - { this.context[index] = types$1.f_gen; } - } - this.exprAllowed = true; - }; - - types.name.updateContext = function(prevType) { - var allowed = false; - if (this.options.ecmaVersion >= 6 && prevType !== types.dot) { - if (this.value === "of" && !this.exprAllowed || - this.value === "yield" && this.inGeneratorContext()) - { allowed = true; } - } - this.exprAllowed = allowed; - }; - - - var ecma9BinaryProperties = "ASCII ASCII_Hex_Digit AHex Alphabetic Alpha Any Assigned Bidi_Control Bidi_C Bidi_Mirrored Bidi_M Case_Ignorable CI Cased Changes_When_Casefolded CWCF Changes_When_Casemapped CWCM Changes_When_Lowercased CWL Changes_When_NFKC_Casefolded CWKCF Changes_When_Titlecased CWT Changes_When_Uppercased CWU Dash Default_Ignorable_Code_Point DI Deprecated Dep Diacritic Dia Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Extender Ext Grapheme_Base Gr_Base Grapheme_Extend Gr_Ext Hex_Digit Hex IDS_Binary_Operator IDSB IDS_Trinary_Operator IDST ID_Continue IDC ID_Start IDS Ideographic Ideo Join_Control Join_C Logical_Order_Exception LOE Lowercase Lower Math Noncharacter_Code_Point NChar Pattern_Syntax Pat_Syn Pattern_White_Space Pat_WS Quotation_Mark QMark Radical Regional_Indicator RI Sentence_Terminal STerm Soft_Dotted SD Terminal_Punctuation Term Unified_Ideograph UIdeo Uppercase Upper Variation_Selector VS White_Space space XID_Continue XIDC XID_Start XIDS"; - var ecma10BinaryProperties = ecma9BinaryProperties + " Extended_Pictographic"; - var ecma11BinaryProperties = ecma10BinaryProperties; - var unicodeBinaryProperties = { - 9: ecma9BinaryProperties, - 10: ecma10BinaryProperties, - 11: ecma11BinaryProperties - }; - - var unicodeGeneralCategoryValues = "Cased_Letter LC Close_Punctuation Pe Connector_Punctuation Pc Control Cc cntrl Currency_Symbol Sc Dash_Punctuation Pd Decimal_Number Nd digit Enclosing_Mark Me Final_Punctuation Pf Format Cf Initial_Punctuation Pi Letter L Letter_Number Nl Line_Separator Zl Lowercase_Letter Ll Mark M Combining_Mark Math_Symbol Sm Modifier_Letter Lm Modifier_Symbol Sk Nonspacing_Mark Mn Number N Open_Punctuation Ps Other C Other_Letter Lo Other_Number No Other_Punctuation Po Other_Symbol So Paragraph_Separator Zp Private_Use Co Punctuation P punct Separator Z Space_Separator Zs Spacing_Mark Mc Surrogate Cs Symbol S Titlecase_Letter Lt Unassigned Cn Uppercase_Letter Lu"; - - var ecma9ScriptValues = "Adlam Adlm Ahom Ahom Anatolian_Hieroglyphs Hluw Arabic Arab Armenian Armn Avestan Avst Balinese Bali Bamum Bamu Bassa_Vah Bass Batak Batk Bengali Beng Bhaiksuki Bhks Bopomofo Bopo Brahmi Brah Braille Brai Buginese Bugi Buhid Buhd Canadian_Aboriginal Cans Carian Cari Caucasian_Albanian Aghb Chakma Cakm Cham Cham Cherokee Cher Common Zyyy Coptic Copt Qaac Cuneiform Xsux Cypriot Cprt Cyrillic Cyrl Deseret Dsrt Devanagari Deva Duployan Dupl Egyptian_Hieroglyphs Egyp Elbasan Elba Ethiopic Ethi Georgian Geor Glagolitic Glag Gothic Goth Grantha Gran Greek Grek Gujarati Gujr Gurmukhi Guru Han Hani Hangul Hang Hanunoo Hano Hatran Hatr Hebrew Hebr Hiragana Hira Imperial_Aramaic Armi Inherited Zinh Qaai Inscriptional_Pahlavi Phli Inscriptional_Parthian Prti Javanese Java Kaithi Kthi Kannada Knda Katakana Kana Kayah_Li Kali Kharoshthi Khar Khmer Khmr Khojki Khoj Khudawadi Sind Lao Laoo Latin Latn Lepcha Lepc Limbu Limb Linear_A Lina Linear_B Linb Lisu Lisu Lycian Lyci Lydian Lydi Mahajani Mahj Malayalam Mlym Mandaic Mand Manichaean Mani Marchen Marc Masaram_Gondi Gonm Meetei_Mayek Mtei Mende_Kikakui Mend Meroitic_Cursive Merc Meroitic_Hieroglyphs Mero Miao Plrd Modi Modi Mongolian Mong Mro Mroo Multani Mult Myanmar Mymr Nabataean Nbat New_Tai_Lue Talu Newa Newa Nko Nkoo Nushu Nshu Ogham Ogam Ol_Chiki Olck Old_Hungarian Hung Old_Italic Ital Old_North_Arabian Narb Old_Permic Perm Old_Persian Xpeo Old_South_Arabian Sarb Old_Turkic Orkh Oriya Orya Osage Osge Osmanya Osma Pahawh_Hmong Hmng Palmyrene Palm Pau_Cin_Hau Pauc Phags_Pa Phag Phoenician Phnx Psalter_Pahlavi Phlp Rejang Rjng Runic Runr Samaritan Samr Saurashtra Saur Sharada Shrd Shavian Shaw Siddham Sidd SignWriting Sgnw Sinhala Sinh Sora_Sompeng Sora Soyombo Soyo Sundanese Sund Syloti_Nagri Sylo Syriac Syrc Tagalog Tglg Tagbanwa Tagb Tai_Le Tale Tai_Tham Lana Tai_Viet Tavt Takri Takr Tamil Taml Tangut Tang Telugu Telu Thaana Thaa Thai Thai Tibetan Tibt Tifinagh Tfng Tirhuta Tirh Ugaritic Ugar Vai Vaii Warang_Citi Wara Yi Yiii Zanabazar_Square Zanb"; - var ecma10ScriptValues = ecma9ScriptValues + " Dogra Dogr Gunjala_Gondi Gong Hanifi_Rohingya Rohg Makasar Maka Medefaidrin Medf Old_Sogdian Sogo Sogdian Sogd"; - var ecma11ScriptValues = ecma10ScriptValues + " Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho"; - var unicodeScriptValues = { - 9: ecma9ScriptValues, - 10: ecma10ScriptValues, - 11: ecma11ScriptValues - }; - - var data = {}; - function buildUnicodeData(ecmaVersion) { - var d = data[ecmaVersion] = { - binary: wordsRegexp(unicodeBinaryProperties[ecmaVersion] + " " + unicodeGeneralCategoryValues), - nonBinary: { - General_Category: wordsRegexp(unicodeGeneralCategoryValues), - Script: wordsRegexp(unicodeScriptValues[ecmaVersion]) - } - }; - d.nonBinary.Script_Extensions = d.nonBinary.Script; - - d.nonBinary.gc = d.nonBinary.General_Category; - d.nonBinary.sc = d.nonBinary.Script; - d.nonBinary.scx = d.nonBinary.Script_Extensions; - } - buildUnicodeData(9); - buildUnicodeData(10); - buildUnicodeData(11); - - var pp$8 = Parser.prototype; - - var RegExpValidationState = function RegExpValidationState(parser) { - this.parser = parser; - this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : ""); - this.unicodeProperties = data[parser.options.ecmaVersion >= 11 ? 11 : parser.options.ecmaVersion]; - this.source = ""; - this.flags = ""; - this.start = 0; - this.switchU = false; - this.switchN = false; - this.pos = 0; - this.lastIntValue = 0; - this.lastStringValue = ""; - this.lastAssertionIsQuantifiable = false; - this.numCapturingParens = 0; - this.maxBackReference = 0; - this.groupNames = []; - this.backReferenceNames = []; - }; - - RegExpValidationState.prototype.reset = function reset (start, pattern, flags) { - var unicode = flags.indexOf("u") !== -1; - this.start = start | 0; - this.source = pattern + ""; - this.flags = flags; - this.switchU = unicode && this.parser.options.ecmaVersion >= 6; - this.switchN = unicode && this.parser.options.ecmaVersion >= 9; - }; - - RegExpValidationState.prototype.raise = function raise (message) { - this.parser.raiseRecoverable(this.start, ("Invalid regular expression: /" + (this.source) + "/: " + message)); - }; - - RegExpValidationState.prototype.at = function at (i, forceU) { - if ( forceU === void 0 ) forceU = false; - - var s = this.source; - var l = s.length; - if (i >= l) { - return -1 - } - var c = s.charCodeAt(i); - if (!(forceU || this.switchU) || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l) { - return c - } - var next = s.charCodeAt(i + 1); - return next >= 0xDC00 && next <= 0xDFFF ? (c << 10) + next - 0x35FDC00 : c - }; - - RegExpValidationState.prototype.nextIndex = function nextIndex (i, forceU) { - if ( forceU === void 0 ) forceU = false; - - var s = this.source; - var l = s.length; - if (i >= l) { - return l - } - var c = s.charCodeAt(i), next; - if (!(forceU || this.switchU) || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l || - (next = s.charCodeAt(i + 1)) < 0xDC00 || next > 0xDFFF) { - return i + 1 - } - return i + 2 - }; - - RegExpValidationState.prototype.current = function current (forceU) { - if ( forceU === void 0 ) forceU = false; - - return this.at(this.pos, forceU) - }; - - RegExpValidationState.prototype.lookahead = function lookahead (forceU) { - if ( forceU === void 0 ) forceU = false; - - return this.at(this.nextIndex(this.pos, forceU), forceU) - }; - - RegExpValidationState.prototype.advance = function advance (forceU) { - if ( forceU === void 0 ) forceU = false; - - this.pos = this.nextIndex(this.pos, forceU); - }; - - RegExpValidationState.prototype.eat = function eat (ch, forceU) { - if ( forceU === void 0 ) forceU = false; - - if (this.current(forceU) === ch) { - this.advance(forceU); - return true - } - return false - }; - - function codePointToString(ch) { - if (ch <= 0xFFFF) { return String.fromCharCode(ch) } - ch -= 0x10000; - return String.fromCharCode((ch >> 10) + 0xD800, (ch & 0x03FF) + 0xDC00) - } - - pp$8.validateRegExpFlags = function(state) { - var validFlags = state.validFlags; - var flags = state.flags; - - for (var i = 0; i < flags.length; i++) { - var flag = flags.charAt(i); - if (validFlags.indexOf(flag) === -1) { - this.raise(state.start, "Invalid regular expression flag"); - } - if (flags.indexOf(flag, i + 1) > -1) { - this.raise(state.start, "Duplicate regular expression flag"); - } - } - }; - - pp$8.validateRegExpPattern = function(state) { - this.regexp_pattern(state); - - if (!state.switchN && this.options.ecmaVersion >= 9 && state.groupNames.length > 0) { - state.switchN = true; - this.regexp_pattern(state); - } - }; - - pp$8.regexp_pattern = function(state) { - state.pos = 0; - state.lastIntValue = 0; - state.lastStringValue = ""; - state.lastAssertionIsQuantifiable = false; - state.numCapturingParens = 0; - state.maxBackReference = 0; - state.groupNames.length = 0; - state.backReferenceNames.length = 0; - - this.regexp_disjunction(state); - - if (state.pos !== state.source.length) { - if (state.eat(0x29 )) { - state.raise("Unmatched ')'"); - } - if (state.eat(0x5D ) || state.eat(0x7D )) { - state.raise("Lone quantifier brackets"); - } - } - if (state.maxBackReference > state.numCapturingParens) { - state.raise("Invalid escape"); - } - for (var i = 0, list = state.backReferenceNames; i < list.length; i += 1) { - var name = list[i]; - - if (state.groupNames.indexOf(name) === -1) { - state.raise("Invalid named capture referenced"); - } - } - }; - - pp$8.regexp_disjunction = function(state) { - this.regexp_alternative(state); - while (state.eat(0x7C )) { - this.regexp_alternative(state); - } - - if (this.regexp_eatQuantifier(state, true)) { - state.raise("Nothing to repeat"); - } - if (state.eat(0x7B )) { - state.raise("Lone quantifier brackets"); - } - }; - - pp$8.regexp_alternative = function(state) { - while (state.pos < state.source.length && this.regexp_eatTerm(state)) - { } - }; - - pp$8.regexp_eatTerm = function(state) { - if (this.regexp_eatAssertion(state)) { - if (state.lastAssertionIsQuantifiable && this.regexp_eatQuantifier(state)) { - if (state.switchU) { - state.raise("Invalid quantifier"); - } - } - return true - } - - if (state.switchU ? this.regexp_eatAtom(state) : this.regexp_eatExtendedAtom(state)) { - this.regexp_eatQuantifier(state); - return true - } - - return false - }; - - pp$8.regexp_eatAssertion = function(state) { - var start = state.pos; - state.lastAssertionIsQuantifiable = false; - - if (state.eat(0x5E ) || state.eat(0x24 )) { - return true - } - - if (state.eat(0x5C )) { - if (state.eat(0x42 ) || state.eat(0x62 )) { - return true - } - state.pos = start; - } - - if (state.eat(0x28 ) && state.eat(0x3F )) { - var lookbehind = false; - if (this.options.ecmaVersion >= 9) { - lookbehind = state.eat(0x3C ); - } - if (state.eat(0x3D ) || state.eat(0x21 )) { - this.regexp_disjunction(state); - if (!state.eat(0x29 )) { - state.raise("Unterminated group"); - } - state.lastAssertionIsQuantifiable = !lookbehind; - return true - } - } - - state.pos = start; - return false - }; - - pp$8.regexp_eatQuantifier = function(state, noError) { - if ( noError === void 0 ) noError = false; - - if (this.regexp_eatQuantifierPrefix(state, noError)) { - state.eat(0x3F ); - return true - } - return false - }; - - pp$8.regexp_eatQuantifierPrefix = function(state, noError) { - return ( - state.eat(0x2A ) || - state.eat(0x2B ) || - state.eat(0x3F ) || - this.regexp_eatBracedQuantifier(state, noError) - ) - }; - pp$8.regexp_eatBracedQuantifier = function(state, noError) { - var start = state.pos; - if (state.eat(0x7B )) { - var min = 0, max = -1; - if (this.regexp_eatDecimalDigits(state)) { - min = state.lastIntValue; - if (state.eat(0x2C ) && this.regexp_eatDecimalDigits(state)) { - max = state.lastIntValue; - } - if (state.eat(0x7D )) { - if (max !== -1 && max < min && !noError) { - state.raise("numbers out of order in {} quantifier"); - } - return true - } - } - if (state.switchU && !noError) { - state.raise("Incomplete quantifier"); - } - state.pos = start; - } - return false - }; - - pp$8.regexp_eatAtom = function(state) { - return ( - this.regexp_eatPatternCharacters(state) || - state.eat(0x2E ) || - this.regexp_eatReverseSolidusAtomEscape(state) || - this.regexp_eatCharacterClass(state) || - this.regexp_eatUncapturingGroup(state) || - this.regexp_eatCapturingGroup(state) - ) - }; - pp$8.regexp_eatReverseSolidusAtomEscape = function(state) { - var start = state.pos; - if (state.eat(0x5C )) { - if (this.regexp_eatAtomEscape(state)) { - return true - } - state.pos = start; - } - return false - }; - pp$8.regexp_eatUncapturingGroup = function(state) { - var start = state.pos; - if (state.eat(0x28 )) { - if (state.eat(0x3F ) && state.eat(0x3A )) { - this.regexp_disjunction(state); - if (state.eat(0x29 )) { - return true - } - state.raise("Unterminated group"); - } - state.pos = start; - } - return false - }; - pp$8.regexp_eatCapturingGroup = function(state) { - if (state.eat(0x28 )) { - if (this.options.ecmaVersion >= 9) { - this.regexp_groupSpecifier(state); - } else if (state.current() === 0x3F ) { - state.raise("Invalid group"); - } - this.regexp_disjunction(state); - if (state.eat(0x29 )) { - state.numCapturingParens += 1; - return true - } - state.raise("Unterminated group"); - } - return false - }; - - pp$8.regexp_eatExtendedAtom = function(state) { - return ( - state.eat(0x2E ) || - this.regexp_eatReverseSolidusAtomEscape(state) || - this.regexp_eatCharacterClass(state) || - this.regexp_eatUncapturingGroup(state) || - this.regexp_eatCapturingGroup(state) || - this.regexp_eatInvalidBracedQuantifier(state) || - this.regexp_eatExtendedPatternCharacter(state) - ) - }; - - pp$8.regexp_eatInvalidBracedQuantifier = function(state) { - if (this.regexp_eatBracedQuantifier(state, true)) { - state.raise("Nothing to repeat"); - } - return false - }; - - pp$8.regexp_eatSyntaxCharacter = function(state) { - var ch = state.current(); - if (isSyntaxCharacter(ch)) { - state.lastIntValue = ch; - state.advance(); - return true - } - return false - }; - function isSyntaxCharacter(ch) { - return ( - ch === 0x24 || - ch >= 0x28 && ch <= 0x2B || - ch === 0x2E || - ch === 0x3F || - ch >= 0x5B && ch <= 0x5E || - ch >= 0x7B && ch <= 0x7D - ) - } - - pp$8.regexp_eatPatternCharacters = function(state) { - var start = state.pos; - var ch = 0; - while ((ch = state.current()) !== -1 && !isSyntaxCharacter(ch)) { - state.advance(); - } - return state.pos !== start - }; - - pp$8.regexp_eatExtendedPatternCharacter = function(state) { - var ch = state.current(); - if ( - ch !== -1 && - ch !== 0x24 && - !(ch >= 0x28 && ch <= 0x2B ) && - ch !== 0x2E && - ch !== 0x3F && - ch !== 0x5B && - ch !== 0x5E && - ch !== 0x7C - ) { - state.advance(); - return true - } - return false - }; - - pp$8.regexp_groupSpecifier = function(state) { - if (state.eat(0x3F )) { - if (this.regexp_eatGroupName(state)) { - if (state.groupNames.indexOf(state.lastStringValue) !== -1) { - state.raise("Duplicate capture group name"); - } - state.groupNames.push(state.lastStringValue); - return - } - state.raise("Invalid group"); - } - }; - - pp$8.regexp_eatGroupName = function(state) { - state.lastStringValue = ""; - if (state.eat(0x3C )) { - if (this.regexp_eatRegExpIdentifierName(state) && state.eat(0x3E )) { - return true - } - state.raise("Invalid capture group name"); - } - return false - }; - - pp$8.regexp_eatRegExpIdentifierName = function(state) { - state.lastStringValue = ""; - if (this.regexp_eatRegExpIdentifierStart(state)) { - state.lastStringValue += codePointToString(state.lastIntValue); - while (this.regexp_eatRegExpIdentifierPart(state)) { - state.lastStringValue += codePointToString(state.lastIntValue); - } - return true - } - return false - }; - - pp$8.regexp_eatRegExpIdentifierStart = function(state) { - var start = state.pos; - var forceU = this.options.ecmaVersion >= 11; - var ch = state.current(forceU); - state.advance(forceU); - - if (ch === 0x5C && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) { - ch = state.lastIntValue; - } - if (isRegExpIdentifierStart(ch)) { - state.lastIntValue = ch; - return true - } - - state.pos = start; - return false - }; - function isRegExpIdentifierStart(ch) { - return isIdentifierStart(ch, true) || ch === 0x24 || ch === 0x5F - } - - pp$8.regexp_eatRegExpIdentifierPart = function(state) { - var start = state.pos; - var forceU = this.options.ecmaVersion >= 11; - var ch = state.current(forceU); - state.advance(forceU); - - if (ch === 0x5C && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) { - ch = state.lastIntValue; - } - if (isRegExpIdentifierPart(ch)) { - state.lastIntValue = ch; - return true - } - - state.pos = start; - return false - }; - function isRegExpIdentifierPart(ch) { - return isIdentifierChar(ch, true) || ch === 0x24 || ch === 0x5F || ch === 0x200C || ch === 0x200D - } - - pp$8.regexp_eatAtomEscape = function(state) { - if ( - this.regexp_eatBackReference(state) || - this.regexp_eatCharacterClassEscape(state) || - this.regexp_eatCharacterEscape(state) || - (state.switchN && this.regexp_eatKGroupName(state)) - ) { - return true - } - if (state.switchU) { - if (state.current() === 0x63 ) { - state.raise("Invalid unicode escape"); - } - state.raise("Invalid escape"); - } - return false - }; - pp$8.regexp_eatBackReference = function(state) { - var start = state.pos; - if (this.regexp_eatDecimalEscape(state)) { - var n = state.lastIntValue; - if (state.switchU) { - if (n > state.maxBackReference) { - state.maxBackReference = n; - } - return true - } - if (n <= state.numCapturingParens) { - return true - } - state.pos = start; - } - return false - }; - pp$8.regexp_eatKGroupName = function(state) { - if (state.eat(0x6B )) { - if (this.regexp_eatGroupName(state)) { - state.backReferenceNames.push(state.lastStringValue); - return true - } - state.raise("Invalid named reference"); - } - return false - }; - - pp$8.regexp_eatCharacterEscape = function(state) { - return ( - this.regexp_eatControlEscape(state) || - this.regexp_eatCControlLetter(state) || - this.regexp_eatZero(state) || - this.regexp_eatHexEscapeSequence(state) || - this.regexp_eatRegExpUnicodeEscapeSequence(state, false) || - (!state.switchU && this.regexp_eatLegacyOctalEscapeSequence(state)) || - this.regexp_eatIdentityEscape(state) - ) - }; - pp$8.regexp_eatCControlLetter = function(state) { - var start = state.pos; - if (state.eat(0x63 )) { - if (this.regexp_eatControlLetter(state)) { - return true - } - state.pos = start; - } - return false - }; - pp$8.regexp_eatZero = function(state) { - if (state.current() === 0x30 && !isDecimalDigit(state.lookahead())) { - state.lastIntValue = 0; - state.advance(); - return true - } - return false - }; - - pp$8.regexp_eatControlEscape = function(state) { - var ch = state.current(); - if (ch === 0x74 ) { - state.lastIntValue = 0x09; - state.advance(); - return true - } - if (ch === 0x6E ) { - state.lastIntValue = 0x0A; - state.advance(); - return true - } - if (ch === 0x76 ) { - state.lastIntValue = 0x0B; - state.advance(); - return true - } - if (ch === 0x66 ) { - state.lastIntValue = 0x0C; - state.advance(); - return true - } - if (ch === 0x72 ) { - state.lastIntValue = 0x0D; - state.advance(); - return true - } - return false - }; - - pp$8.regexp_eatControlLetter = function(state) { - var ch = state.current(); - if (isControlLetter(ch)) { - state.lastIntValue = ch % 0x20; - state.advance(); - return true - } - return false - }; - function isControlLetter(ch) { - return ( - (ch >= 0x41 && ch <= 0x5A ) || - (ch >= 0x61 && ch <= 0x7A ) - ) - } - - pp$8.regexp_eatRegExpUnicodeEscapeSequence = function(state, forceU) { - if ( forceU === void 0 ) forceU = false; - - var start = state.pos; - var switchU = forceU || state.switchU; - - if (state.eat(0x75 )) { - if (this.regexp_eatFixedHexDigits(state, 4)) { - var lead = state.lastIntValue; - if (switchU && lead >= 0xD800 && lead <= 0xDBFF) { - var leadSurrogateEnd = state.pos; - if (state.eat(0x5C ) && state.eat(0x75 ) && this.regexp_eatFixedHexDigits(state, 4)) { - var trail = state.lastIntValue; - if (trail >= 0xDC00 && trail <= 0xDFFF) { - state.lastIntValue = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000; - return true - } - } - state.pos = leadSurrogateEnd; - state.lastIntValue = lead; - } - return true - } - if ( - switchU && - state.eat(0x7B ) && - this.regexp_eatHexDigits(state) && - state.eat(0x7D ) && - isValidUnicode(state.lastIntValue) - ) { - return true - } - if (switchU) { - state.raise("Invalid unicode escape"); - } - state.pos = start; - } - - return false - }; - function isValidUnicode(ch) { - return ch >= 0 && ch <= 0x10FFFF - } - - pp$8.regexp_eatIdentityEscape = function(state) { - if (state.switchU) { - if (this.regexp_eatSyntaxCharacter(state)) { - return true - } - if (state.eat(0x2F )) { - state.lastIntValue = 0x2F; - return true - } - return false - } - - var ch = state.current(); - if (ch !== 0x63 && (!state.switchN || ch !== 0x6B )) { - state.lastIntValue = ch; - state.advance(); - return true - } - - return false - }; - - pp$8.regexp_eatDecimalEscape = function(state) { - state.lastIntValue = 0; - var ch = state.current(); - if (ch >= 0x31 && ch <= 0x39 ) { - do { - state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 ); - state.advance(); - } while ((ch = state.current()) >= 0x30 && ch <= 0x39 ) - return true - } - return false - }; - - pp$8.regexp_eatCharacterClassEscape = function(state) { - var ch = state.current(); - - if (isCharacterClassEscape(ch)) { - state.lastIntValue = -1; - state.advance(); - return true - } - - if ( - state.switchU && - this.options.ecmaVersion >= 9 && - (ch === 0x50 || ch === 0x70 ) - ) { - state.lastIntValue = -1; - state.advance(); - if ( - state.eat(0x7B ) && - this.regexp_eatUnicodePropertyValueExpression(state) && - state.eat(0x7D ) - ) { - return true - } - state.raise("Invalid property name"); - } - - return false - }; - function isCharacterClassEscape(ch) { - return ( - ch === 0x64 || - ch === 0x44 || - ch === 0x73 || - ch === 0x53 || - ch === 0x77 || - ch === 0x57 - ) - } - - pp$8.regexp_eatUnicodePropertyValueExpression = function(state) { - var start = state.pos; - - if (this.regexp_eatUnicodePropertyName(state) && state.eat(0x3D )) { - var name = state.lastStringValue; - if (this.regexp_eatUnicodePropertyValue(state)) { - var value = state.lastStringValue; - this.regexp_validateUnicodePropertyNameAndValue(state, name, value); - return true - } - } - state.pos = start; - - if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) { - var nameOrValue = state.lastStringValue; - this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue); - return true - } - return false - }; - pp$8.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) { - if (!has(state.unicodeProperties.nonBinary, name)) - { state.raise("Invalid property name"); } - if (!state.unicodeProperties.nonBinary[name].test(value)) - { state.raise("Invalid property value"); } - }; - pp$8.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) { - if (!state.unicodeProperties.binary.test(nameOrValue)) - { state.raise("Invalid property name"); } - }; - - pp$8.regexp_eatUnicodePropertyName = function(state) { - var ch = 0; - state.lastStringValue = ""; - while (isUnicodePropertyNameCharacter(ch = state.current())) { - state.lastStringValue += codePointToString(ch); - state.advance(); - } - return state.lastStringValue !== "" - }; - function isUnicodePropertyNameCharacter(ch) { - return isControlLetter(ch) || ch === 0x5F - } - - pp$8.regexp_eatUnicodePropertyValue = function(state) { - var ch = 0; - state.lastStringValue = ""; - while (isUnicodePropertyValueCharacter(ch = state.current())) { - state.lastStringValue += codePointToString(ch); - state.advance(); - } - return state.lastStringValue !== "" - }; - function isUnicodePropertyValueCharacter(ch) { - return isUnicodePropertyNameCharacter(ch) || isDecimalDigit(ch) - } - - pp$8.regexp_eatLoneUnicodePropertyNameOrValue = function(state) { - return this.regexp_eatUnicodePropertyValue(state) - }; - - pp$8.regexp_eatCharacterClass = function(state) { - if (state.eat(0x5B )) { - state.eat(0x5E ); - this.regexp_classRanges(state); - if (state.eat(0x5D )) { - return true - } - state.raise("Unterminated character class"); - } - return false - }; - - pp$8.regexp_classRanges = function(state) { - while (this.regexp_eatClassAtom(state)) { - var left = state.lastIntValue; - if (state.eat(0x2D ) && this.regexp_eatClassAtom(state)) { - var right = state.lastIntValue; - if (state.switchU && (left === -1 || right === -1)) { - state.raise("Invalid character class"); - } - if (left !== -1 && right !== -1 && left > right) { - state.raise("Range out of order in character class"); - } - } - } - }; - - pp$8.regexp_eatClassAtom = function(state) { - var start = state.pos; - - if (state.eat(0x5C )) { - if (this.regexp_eatClassEscape(state)) { - return true - } - if (state.switchU) { - var ch$1 = state.current(); - if (ch$1 === 0x63 || isOctalDigit(ch$1)) { - state.raise("Invalid class escape"); - } - state.raise("Invalid escape"); - } - state.pos = start; - } - - var ch = state.current(); - if (ch !== 0x5D ) { - state.lastIntValue = ch; - state.advance(); - return true - } - - return false - }; - - pp$8.regexp_eatClassEscape = function(state) { - var start = state.pos; - - if (state.eat(0x62 )) { - state.lastIntValue = 0x08; - return true - } - - if (state.switchU && state.eat(0x2D )) { - state.lastIntValue = 0x2D; - return true - } - - if (!state.switchU && state.eat(0x63 )) { - if (this.regexp_eatClassControlLetter(state)) { - return true - } - state.pos = start; - } - - return ( - this.regexp_eatCharacterClassEscape(state) || - this.regexp_eatCharacterEscape(state) - ) - }; - - pp$8.regexp_eatClassControlLetter = function(state) { - var ch = state.current(); - if (isDecimalDigit(ch) || ch === 0x5F ) { - state.lastIntValue = ch % 0x20; - state.advance(); - return true - } - return false - }; - - pp$8.regexp_eatHexEscapeSequence = function(state) { - var start = state.pos; - if (state.eat(0x78 )) { - if (this.regexp_eatFixedHexDigits(state, 2)) { - return true - } - if (state.switchU) { - state.raise("Invalid escape"); - } - state.pos = start; - } - return false - }; - - pp$8.regexp_eatDecimalDigits = function(state) { - var start = state.pos; - var ch = 0; - state.lastIntValue = 0; - while (isDecimalDigit(ch = state.current())) { - state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 ); - state.advance(); - } - return state.pos !== start - }; - function isDecimalDigit(ch) { - return ch >= 0x30 && ch <= 0x39 - } - - pp$8.regexp_eatHexDigits = function(state) { - var start = state.pos; - var ch = 0; - state.lastIntValue = 0; - while (isHexDigit(ch = state.current())) { - state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); - state.advance(); - } - return state.pos !== start - }; - function isHexDigit(ch) { - return ( - (ch >= 0x30 && ch <= 0x39 ) || - (ch >= 0x41 && ch <= 0x46 ) || - (ch >= 0x61 && ch <= 0x66 ) - ) - } - function hexToInt(ch) { - if (ch >= 0x41 && ch <= 0x46 ) { - return 10 + (ch - 0x41 ) - } - if (ch >= 0x61 && ch <= 0x66 ) { - return 10 + (ch - 0x61 ) - } - return ch - 0x30 - } - - pp$8.regexp_eatLegacyOctalEscapeSequence = function(state) { - if (this.regexp_eatOctalDigit(state)) { - var n1 = state.lastIntValue; - if (this.regexp_eatOctalDigit(state)) { - var n2 = state.lastIntValue; - if (n1 <= 3 && this.regexp_eatOctalDigit(state)) { - state.lastIntValue = n1 * 64 + n2 * 8 + state.lastIntValue; - } else { - state.lastIntValue = n1 * 8 + n2; - } - } else { - state.lastIntValue = n1; - } - return true - } - return false - }; - - pp$8.regexp_eatOctalDigit = function(state) { - var ch = state.current(); - if (isOctalDigit(ch)) { - state.lastIntValue = ch - 0x30; - state.advance(); - return true - } - state.lastIntValue = 0; - return false - }; - function isOctalDigit(ch) { - return ch >= 0x30 && ch <= 0x37 - } - - pp$8.regexp_eatFixedHexDigits = function(state, length) { - var start = state.pos; - state.lastIntValue = 0; - for (var i = 0; i < length; ++i) { - var ch = state.current(); - if (!isHexDigit(ch)) { - state.pos = start; - return false - } - state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); - state.advance(); - } - return true - }; - - - var Token = function Token(p) { - this.type = p.type; - this.value = p.value; - this.start = p.start; - this.end = p.end; - if (p.options.locations) - { this.loc = new SourceLocation(p, p.startLoc, p.endLoc); } - if (p.options.ranges) - { this.range = [p.start, p.end]; } - }; - - - var pp$9 = Parser.prototype; - - - pp$9.next = function(ignoreEscapeSequenceInKeyword) { - if (!ignoreEscapeSequenceInKeyword && this.type.keyword && this.containsEsc) - { this.raiseRecoverable(this.start, "Escape sequence in keyword " + this.type.keyword); } - if (this.options.onToken) - { this.options.onToken(new Token(this)); } - - this.lastTokEnd = this.end; - this.lastTokStart = this.start; - this.lastTokEndLoc = this.endLoc; - this.lastTokStartLoc = this.startLoc; - this.nextToken(); - }; - - pp$9.getToken = function() { - this.next(); - return new Token(this) - }; - - if (typeof Symbol !== "undefined") - { pp$9[Symbol.iterator] = function() { - var this$1 = this; - - return { - next: function () { - var token = this$1.getToken(); - return { - done: token.type === types.eof, - value: token - } - } - } - }; } - - - pp$9.curContext = function() { - return this.context[this.context.length - 1] - }; - - - pp$9.nextToken = function() { - var curContext = this.curContext(); - if (!curContext || !curContext.preserveSpace) { this.skipSpace(); } - - this.start = this.pos; - if (this.options.locations) { this.startLoc = this.curPosition(); } - if (this.pos >= this.input.length) { return this.finishToken(types.eof) } - - if (curContext.override) { return curContext.override(this) } - else { this.readToken(this.fullCharCodeAtPos()); } - }; - - pp$9.readToken = function(code) { - if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 ) - { return this.readWord() } - - return this.getTokenFromCode(code) - }; - - pp$9.fullCharCodeAtPos = function() { - var code = this.input.charCodeAt(this.pos); - if (code <= 0xd7ff || code >= 0xe000) { return code } - var next = this.input.charCodeAt(this.pos + 1); - return (code << 10) + next - 0x35fdc00 - }; - - pp$9.skipBlockComment = function() { - var startLoc = this.options.onComment && this.curPosition(); - var start = this.pos, end = this.input.indexOf("*/", this.pos += 2); - if (end === -1) { this.raise(this.pos - 2, "Unterminated comment"); } - this.pos = end + 2; - if (this.options.locations) { - lineBreakG.lastIndex = start; - var match; - while ((match = lineBreakG.exec(this.input)) && match.index < this.pos) { - ++this.curLine; - this.lineStart = match.index + match[0].length; - } - } - if (this.options.onComment) - { this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos, - startLoc, this.curPosition()); } - }; - - pp$9.skipLineComment = function(startSkip) { - var start = this.pos; - var startLoc = this.options.onComment && this.curPosition(); - var ch = this.input.charCodeAt(this.pos += startSkip); - while (this.pos < this.input.length && !isNewLine(ch)) { - ch = this.input.charCodeAt(++this.pos); - } - if (this.options.onComment) - { this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos, - startLoc, this.curPosition()); } - }; - - - pp$9.skipSpace = function() { - loop: while (this.pos < this.input.length) { - var ch = this.input.charCodeAt(this.pos); - switch (ch) { - case 32: case 160: - ++this.pos; - break - case 13: - if (this.input.charCodeAt(this.pos + 1) === 10) { - ++this.pos; - } - case 10: case 8232: case 8233: - ++this.pos; - if (this.options.locations) { - ++this.curLine; - this.lineStart = this.pos; - } - break - case 47: - switch (this.input.charCodeAt(this.pos + 1)) { - case 42: - this.skipBlockComment(); - break - case 47: - this.skipLineComment(2); - break - default: - break loop - } - break - default: - if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) { - ++this.pos; - } else { - break loop - } - } - } - }; - - - pp$9.finishToken = function(type, val) { - this.end = this.pos; - if (this.options.locations) { this.endLoc = this.curPosition(); } - var prevType = this.type; - this.type = type; - this.value = val; - - this.updateContext(prevType); - }; - - - pp$9.readToken_dot = function() { - var next = this.input.charCodeAt(this.pos + 1); - if (next >= 48 && next <= 57) { return this.readNumber(true) } - var next2 = this.input.charCodeAt(this.pos + 2); - if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { - this.pos += 3; - return this.finishToken(types.ellipsis) - } else { - ++this.pos; - return this.finishToken(types.dot) - } - }; - - pp$9.readToken_slash = function() { - var next = this.input.charCodeAt(this.pos + 1); - if (this.exprAllowed) { ++this.pos; return this.readRegexp() } - if (next === 61) { return this.finishOp(types.assign, 2) } - return this.finishOp(types.slash, 1) - }; - - pp$9.readToken_mult_modulo_exp = function(code) { - var next = this.input.charCodeAt(this.pos + 1); - var size = 1; - var tokentype = code === 42 ? types.star : types.modulo; - - if (this.options.ecmaVersion >= 7 && code === 42 && next === 42) { - ++size; - tokentype = types.starstar; - next = this.input.charCodeAt(this.pos + 2); - } - - if (next === 61) { return this.finishOp(types.assign, size + 1) } - return this.finishOp(tokentype, size) - }; - - pp$9.readToken_pipe_amp = function(code) { - var next = this.input.charCodeAt(this.pos + 1); - if (next === code) { - if (this.options.ecmaVersion >= 12) { - var next2 = this.input.charCodeAt(this.pos + 2); - if (next2 === 61) { return this.finishOp(types.assign, 3) } - } - return this.finishOp(code === 124 ? types.logicalOR : types.logicalAND, 2) - } - if (next === 61) { return this.finishOp(types.assign, 2) } - return this.finishOp(code === 124 ? types.bitwiseOR : types.bitwiseAND, 1) - }; - - pp$9.readToken_caret = function() { - var next = this.input.charCodeAt(this.pos + 1); - if (next === 61) { return this.finishOp(types.assign, 2) } - return this.finishOp(types.bitwiseXOR, 1) - }; - - pp$9.readToken_plus_min = function(code) { - var next = this.input.charCodeAt(this.pos + 1); - if (next === code) { - if (next === 45 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 62 && - (this.lastTokEnd === 0 || lineBreak.test(this.input.slice(this.lastTokEnd, this.pos)))) { - this.skipLineComment(3); - this.skipSpace(); - return this.nextToken() - } - return this.finishOp(types.incDec, 2) - } - if (next === 61) { return this.finishOp(types.assign, 2) } - return this.finishOp(types.plusMin, 1) - }; - - pp$9.readToken_lt_gt = function(code) { - var next = this.input.charCodeAt(this.pos + 1); - var size = 1; - if (next === code) { - size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2; - if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types.assign, size + 1) } - return this.finishOp(types.bitShift, size) - } - if (next === 33 && code === 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 45 && - this.input.charCodeAt(this.pos + 3) === 45) { - this.skipLineComment(4); - this.skipSpace(); - return this.nextToken() - } - if (next === 61) { size = 2; } - return this.finishOp(types.relational, size) - }; - - pp$9.readToken_eq_excl = function(code) { - var next = this.input.charCodeAt(this.pos + 1); - if (next === 61) { return this.finishOp(types.equality, this.input.charCodeAt(this.pos + 2) === 61 ? 3 : 2) } - if (code === 61 && next === 62 && this.options.ecmaVersion >= 6) { - this.pos += 2; - return this.finishToken(types.arrow) - } - return this.finishOp(code === 61 ? types.eq : types.prefix, 1) - }; - - pp$9.readToken_question = function() { - var ecmaVersion = this.options.ecmaVersion; - if (ecmaVersion >= 11) { - var next = this.input.charCodeAt(this.pos + 1); - if (next === 46) { - var next2 = this.input.charCodeAt(this.pos + 2); - if (next2 < 48 || next2 > 57) { return this.finishOp(types.questionDot, 2) } - } - if (next === 63) { - if (ecmaVersion >= 12) { - var next2$1 = this.input.charCodeAt(this.pos + 2); - if (next2$1 === 61) { return this.finishOp(types.assign, 3) } - } - return this.finishOp(types.coalesce, 2) - } - } - return this.finishOp(types.question, 1) - }; - - pp$9.getTokenFromCode = function(code) { - switch (code) { - case 46: - return this.readToken_dot() - - case 40: ++this.pos; return this.finishToken(types.parenL) - case 41: ++this.pos; return this.finishToken(types.parenR) - case 59: ++this.pos; return this.finishToken(types.semi) - case 44: ++this.pos; return this.finishToken(types.comma) - case 91: ++this.pos; return this.finishToken(types.bracketL) - case 93: ++this.pos; return this.finishToken(types.bracketR) - case 123: ++this.pos; return this.finishToken(types.braceL) - case 125: ++this.pos; return this.finishToken(types.braceR) - case 58: ++this.pos; return this.finishToken(types.colon) - - case 96: - if (this.options.ecmaVersion < 6) { break } - ++this.pos; - return this.finishToken(types.backQuote) - - case 48: - var next = this.input.charCodeAt(this.pos + 1); - if (next === 120 || next === 88) { return this.readRadixNumber(16) } - if (this.options.ecmaVersion >= 6) { - if (next === 111 || next === 79) { return this.readRadixNumber(8) } - if (next === 98 || next === 66) { return this.readRadixNumber(2) } - } - - case 49: case 50: case 51: case 52: case 53: case 54: case 55: case 56: case 57: - return this.readNumber(false) - - case 34: case 39: - return this.readString(code) - - - case 47: - return this.readToken_slash() - - case 37: case 42: - return this.readToken_mult_modulo_exp(code) - - case 124: case 38: - return this.readToken_pipe_amp(code) - - case 94: - return this.readToken_caret() - - case 43: case 45: - return this.readToken_plus_min(code) - - case 60: case 62: - return this.readToken_lt_gt(code) - - case 61: case 33: - return this.readToken_eq_excl(code) - - case 63: - return this.readToken_question() - - case 126: - return this.finishOp(types.prefix, 1) - } - - this.raise(this.pos, "Unexpected character '" + codePointToString$1(code) + "'"); - }; - - pp$9.finishOp = function(type, size) { - var str = this.input.slice(this.pos, this.pos + size); - this.pos += size; - return this.finishToken(type, str) - }; - - pp$9.readRegexp = function() { - var escaped, inClass, start = this.pos; - for (;;) { - if (this.pos >= this.input.length) { this.raise(start, "Unterminated regular expression"); } - var ch = this.input.charAt(this.pos); - if (lineBreak.test(ch)) { this.raise(start, "Unterminated regular expression"); } - if (!escaped) { - if (ch === "[") { inClass = true; } - else if (ch === "]" && inClass) { inClass = false; } - else if (ch === "/" && !inClass) { break } - escaped = ch === "\\"; - } else { escaped = false; } - ++this.pos; - } - var pattern = this.input.slice(start, this.pos); - ++this.pos; - var flagsStart = this.pos; - var flags = this.readWord1(); - if (this.containsEsc) { this.unexpected(flagsStart); } - - var state = this.regexpState || (this.regexpState = new RegExpValidationState(this)); - state.reset(start, pattern, flags); - this.validateRegExpFlags(state); - this.validateRegExpPattern(state); - - var value = null; - try { - value = new RegExp(pattern, flags); - } catch (e) { - } - - return this.finishToken(types.regexp, {pattern: pattern, flags: flags, value: value}) - }; - - - pp$9.readInt = function(radix, len, maybeLegacyOctalNumericLiteral) { - var allowSeparators = this.options.ecmaVersion >= 12 && len === undefined; - - var isLegacyOctalNumericLiteral = maybeLegacyOctalNumericLiteral && this.input.charCodeAt(this.pos) === 48; - - var start = this.pos, total = 0, lastCode = 0; - for (var i = 0, e = len == null ? Infinity : len; i < e; ++i, ++this.pos) { - var code = this.input.charCodeAt(this.pos), val = (void 0); - - if (allowSeparators && code === 95) { - if (isLegacyOctalNumericLiteral) { this.raiseRecoverable(this.pos, "Numeric separator is not allowed in legacy octal numeric literals"); } - if (lastCode === 95) { this.raiseRecoverable(this.pos, "Numeric separator must be exactly one underscore"); } - if (i === 0) { this.raiseRecoverable(this.pos, "Numeric separator is not allowed at the first of digits"); } - lastCode = code; - continue - } - - if (code >= 97) { val = code - 97 + 10; } - else if (code >= 65) { val = code - 65 + 10; } - else if (code >= 48 && code <= 57) { val = code - 48; } - else { val = Infinity; } - if (val >= radix) { break } - lastCode = code; - total = total * radix + val; - } - - if (allowSeparators && lastCode === 95) { this.raiseRecoverable(this.pos - 1, "Numeric separator is not allowed at the last of digits"); } - if (this.pos === start || len != null && this.pos - start !== len) { return null } - - return total - }; - - function stringToNumber(str, isLegacyOctalNumericLiteral) { - if (isLegacyOctalNumericLiteral) { - return parseInt(str, 8) - } - - return parseFloat(str.replace(/_/g, "")) - } - - function stringToBigInt(str) { - if (typeof BigInt !== "function") { - return null - } - - return BigInt(str.replace(/_/g, "")) - } - - pp$9.readRadixNumber = function(radix) { - var start = this.pos; - this.pos += 2; - var val = this.readInt(radix); - if (val == null) { this.raise(this.start + 2, "Expected number in radix " + radix); } - if (this.options.ecmaVersion >= 11 && this.input.charCodeAt(this.pos) === 110) { - val = stringToBigInt(this.input.slice(start, this.pos)); - ++this.pos; - } else if (isIdentifierStart(this.fullCharCodeAtPos())) { this.raise(this.pos, "Identifier directly after number"); } - return this.finishToken(types.num, val) - }; - - - pp$9.readNumber = function(startsWithDot) { - var start = this.pos; - if (!startsWithDot && this.readInt(10, undefined, true) === null) { this.raise(start, "Invalid number"); } - var octal = this.pos - start >= 2 && this.input.charCodeAt(start) === 48; - if (octal && this.strict) { this.raise(start, "Invalid number"); } - var next = this.input.charCodeAt(this.pos); - if (!octal && !startsWithDot && this.options.ecmaVersion >= 11 && next === 110) { - var val$1 = stringToBigInt(this.input.slice(start, this.pos)); - ++this.pos; - if (isIdentifierStart(this.fullCharCodeAtPos())) { this.raise(this.pos, "Identifier directly after number"); } - return this.finishToken(types.num, val$1) - } - if (octal && /[89]/.test(this.input.slice(start, this.pos))) { octal = false; } - if (next === 46 && !octal) { - ++this.pos; - this.readInt(10); - next = this.input.charCodeAt(this.pos); - } - if ((next === 69 || next === 101) && !octal) { - next = this.input.charCodeAt(++this.pos); - if (next === 43 || next === 45) { ++this.pos; } - if (this.readInt(10) === null) { this.raise(start, "Invalid number"); } - } - if (isIdentifierStart(this.fullCharCodeAtPos())) { this.raise(this.pos, "Identifier directly after number"); } - - var val = stringToNumber(this.input.slice(start, this.pos), octal); - return this.finishToken(types.num, val) - }; - - - pp$9.readCodePoint = function() { - var ch = this.input.charCodeAt(this.pos), code; - - if (ch === 123) { - if (this.options.ecmaVersion < 6) { this.unexpected(); } - var codePos = ++this.pos; - code = this.readHexChar(this.input.indexOf("}", this.pos) - this.pos); - ++this.pos; - if (code > 0x10FFFF) { this.invalidStringToken(codePos, "Code point out of bounds"); } - } else { - code = this.readHexChar(4); - } - return code - }; - - function codePointToString$1(code) { - if (code <= 0xFFFF) { return String.fromCharCode(code) } - code -= 0x10000; - return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00) - } - - pp$9.readString = function(quote) { - var out = "", chunkStart = ++this.pos; - for (;;) { - if (this.pos >= this.input.length) { this.raise(this.start, "Unterminated string constant"); } - var ch = this.input.charCodeAt(this.pos); - if (ch === quote) { break } - if (ch === 92) { - out += this.input.slice(chunkStart, this.pos); - out += this.readEscapedChar(false); - chunkStart = this.pos; - } else { - if (isNewLine(ch, this.options.ecmaVersion >= 10)) { this.raise(this.start, "Unterminated string constant"); } - ++this.pos; - } - } - out += this.input.slice(chunkStart, this.pos++); - return this.finishToken(types.string, out) - }; - - - var INVALID_TEMPLATE_ESCAPE_ERROR = {}; - - pp$9.tryReadTemplateToken = function() { - this.inTemplateElement = true; - try { - this.readTmplToken(); - } catch (err) { - if (err === INVALID_TEMPLATE_ESCAPE_ERROR) { - this.readInvalidTemplateToken(); - } else { - throw err - } - } - - this.inTemplateElement = false; - }; - - pp$9.invalidStringToken = function(position, message) { - if (this.inTemplateElement && this.options.ecmaVersion >= 9) { - throw INVALID_TEMPLATE_ESCAPE_ERROR - } else { - this.raise(position, message); - } - }; - - pp$9.readTmplToken = function() { - var out = "", chunkStart = this.pos; - for (;;) { - if (this.pos >= this.input.length) { this.raise(this.start, "Unterminated template"); } - var ch = this.input.charCodeAt(this.pos); - if (ch === 96 || ch === 36 && this.input.charCodeAt(this.pos + 1) === 123) { - if (this.pos === this.start && (this.type === types.template || this.type === types.invalidTemplate)) { - if (ch === 36) { - this.pos += 2; - return this.finishToken(types.dollarBraceL) - } else { - ++this.pos; - return this.finishToken(types.backQuote) - } - } - out += this.input.slice(chunkStart, this.pos); - return this.finishToken(types.template, out) - } - if (ch === 92) { - out += this.input.slice(chunkStart, this.pos); - out += this.readEscapedChar(true); - chunkStart = this.pos; - } else if (isNewLine(ch)) { - out += this.input.slice(chunkStart, this.pos); - ++this.pos; - switch (ch) { - case 13: - if (this.input.charCodeAt(this.pos) === 10) { ++this.pos; } - case 10: - out += "\n"; - break - default: - out += String.fromCharCode(ch); - break - } - if (this.options.locations) { - ++this.curLine; - this.lineStart = this.pos; - } - chunkStart = this.pos; - } else { - ++this.pos; - } - } - }; - - pp$9.readInvalidTemplateToken = function() { - for (; this.pos < this.input.length; this.pos++) { - switch (this.input[this.pos]) { - case "\\": - ++this.pos; - break - - case "$": - if (this.input[this.pos + 1] !== "{") { - break - } - - case "`": - return this.finishToken(types.invalidTemplate, this.input.slice(this.start, this.pos)) - - } - } - this.raise(this.start, "Unterminated template"); - }; - - - pp$9.readEscapedChar = function(inTemplate) { - var ch = this.input.charCodeAt(++this.pos); - ++this.pos; - switch (ch) { - case 110: return "\n" - case 114: return "\r" - case 120: return String.fromCharCode(this.readHexChar(2)) - case 117: return codePointToString$1(this.readCodePoint()) - case 116: return "\t" - case 98: return "\b" - case 118: return "\u000b" - case 102: return "\f" - case 13: if (this.input.charCodeAt(this.pos) === 10) { ++this.pos; } - case 10: - if (this.options.locations) { this.lineStart = this.pos; ++this.curLine; } - return "" - case 56: - case 57: - if (inTemplate) { - var codePos = this.pos - 1; - - this.invalidStringToken( - codePos, - "Invalid escape sequence in template string" - ); - - return null - } - default: - if (ch >= 48 && ch <= 55) { - var octalStr = this.input.substr(this.pos - 1, 3).match(/^[0-7]+/)[0]; - var octal = parseInt(octalStr, 8); - if (octal > 255) { - octalStr = octalStr.slice(0, -1); - octal = parseInt(octalStr, 8); - } - this.pos += octalStr.length - 1; - ch = this.input.charCodeAt(this.pos); - if ((octalStr !== "0" || ch === 56 || ch === 57) && (this.strict || inTemplate)) { - this.invalidStringToken( - this.pos - 1 - octalStr.length, - inTemplate - ? "Octal literal in template string" - : "Octal literal in strict mode" - ); - } - return String.fromCharCode(octal) - } - if (isNewLine(ch)) { - return "" - } - return String.fromCharCode(ch) - } - }; - - - pp$9.readHexChar = function(len) { - var codePos = this.pos; - var n = this.readInt(16, len); - if (n === null) { this.invalidStringToken(codePos, "Bad character escape sequence"); } - return n - }; - - - pp$9.readWord1 = function() { - this.containsEsc = false; - var word = "", first = true, chunkStart = this.pos; - var astral = this.options.ecmaVersion >= 6; - while (this.pos < this.input.length) { - var ch = this.fullCharCodeAtPos(); - if (isIdentifierChar(ch, astral)) { - this.pos += ch <= 0xffff ? 1 : 2; - } else if (ch === 92) { - this.containsEsc = true; - word += this.input.slice(chunkStart, this.pos); - var escStart = this.pos; - if (this.input.charCodeAt(++this.pos) !== 117) - { this.invalidStringToken(this.pos, "Expecting Unicode escape sequence \\uXXXX"); } - ++this.pos; - var esc = this.readCodePoint(); - if (!(first ? isIdentifierStart : isIdentifierChar)(esc, astral)) - { this.invalidStringToken(escStart, "Invalid Unicode escape"); } - word += codePointToString$1(esc); - chunkStart = this.pos; - } else { - break - } - first = false; - } - return word + this.input.slice(chunkStart, this.pos) - }; - - - pp$9.readWord = function() { - var word = this.readWord1(); - var type = types.name; - if (this.keywords.test(word)) { - type = keywords$1[word]; - } - return this.finishToken(type, word) - }; - - - var version = "7.4.0"; - - Parser.acorn = { - Parser: Parser, - version: version, - defaultOptions: defaultOptions, - Position: Position, - SourceLocation: SourceLocation, - getLineInfo: getLineInfo, - Node: Node, - TokenType: TokenType, - tokTypes: types, - keywordTypes: keywords$1, - TokContext: TokContext, - tokContexts: types$1, - isIdentifierChar: isIdentifierChar, - isIdentifierStart: isIdentifierStart, - Token: Token, - isNewLine: isNewLine, - lineBreak: lineBreak, - lineBreakG: lineBreakG, - nonASCIIwhitespace: nonASCIIwhitespace - }; - - - function parse(input, options) { - return Parser.parse(input, options) - } - - - function parseExpressionAt(input, pos, options) { - return Parser.parseExpressionAt(input, pos, options) - } - - - function tokenizer(input, options) { - return Parser.tokenizer(input, options) - } - - exports.Node = Node; - exports.Parser = Parser; - exports.Position = Position; - exports.SourceLocation = SourceLocation; - exports.TokContext = TokContext; - exports.Token = Token; - exports.TokenType = TokenType; - exports.defaultOptions = defaultOptions; - exports.getLineInfo = getLineInfo; - exports.isIdentifierChar = isIdentifierChar; - exports.isIdentifierStart = isIdentifierStart; - exports.isNewLine = isNewLine; - exports.keywordTypes = keywords$1; - exports.lineBreak = lineBreak; - exports.lineBreakG = lineBreakG; - exports.nonASCIIwhitespace = nonASCIIwhitespace; - exports.parse = parse; - exports.parseExpressionAt = parseExpressionAt; - exports.tokContexts = types$1; - exports.tokTypes = types; - exports.tokenizer = tokenizer; - exports.version = version; - - Object.defineProperty(exports, '__esModule', { value: true }); - -}))); - -},{}],2:[function(require,module,exports){ - -},{}],3:[function(require,module,exports){ -function glWiretap(gl, options = {}) { - const { - contextName = 'gl', - throwGetError, - useTrackablePrimitives, - readPixelsFile, - recording = [], - variables = {}, - onReadPixels, - onUnrecognizedArgumentLookup, - } = options; - const proxy = new Proxy(gl, { get: listen }); - const contextVariables = []; - const entityNames = {}; - let imageCount = 0; - let indent = ''; - let readPixelsVariableName; - return proxy; - function listen(obj, property) { - switch (property) { - case 'addComment': return addComment; - case 'checkThrowError': return checkThrowError; - case 'getReadPixelsVariableName': return readPixelsVariableName; - case 'insertVariable': return insertVariable; - case 'reset': return reset; - case 'setIndent': return setIndent; - case 'toString': return toString; - case 'getContextVariableName': return getContextVariableName; - } - if (typeof gl[property] === 'function') { - return function() { - switch (property) { - case 'getError': - if (throwGetError) { - recording.push(`${indent}if (${contextName}.getError() !== ${contextName}.NONE) throw new Error('error');`); - } else { - recording.push(`${indent}${contextName}.getError();`); - } - return gl.getError(); - case 'getExtension': { - const variableName = `${contextName}Variables${contextVariables.length}`; - recording.push(`${indent}const ${variableName} = ${contextName}.getExtension('${arguments[0]}');`); - const extension = gl.getExtension(arguments[0]); - if (extension && typeof extension === 'object') { - const tappedExtension = glExtensionWiretap(extension, { - getEntity, - useTrackablePrimitives, - recording, - contextName: variableName, - contextVariables, - variables, - indent, - onUnrecognizedArgumentLookup, - }); - contextVariables.push(tappedExtension); - return tappedExtension; - } else { - contextVariables.push(null); - } - return extension; - } - case 'readPixels': - const i = contextVariables.indexOf(arguments[6]); - let targetVariableName; - if (i === -1) { - const variableName = getVariableName(arguments[6]); - if (variableName) { - targetVariableName = variableName; - recording.push(`${indent}${variableName}`); - } else { - targetVariableName = `${contextName}Variable${contextVariables.length}`; - contextVariables.push(arguments[6]); - recording.push(`${indent}const ${targetVariableName} = new ${arguments[6].constructor.name}(${arguments[6].length});`); - } - } else { - targetVariableName = `${contextName}Variable${i}`; - } - readPixelsVariableName = targetVariableName; - const argumentAsStrings = [ - arguments[0], - arguments[1], - arguments[2], - arguments[3], - getEntity(arguments[4]), - getEntity(arguments[5]), - targetVariableName - ]; - recording.push(`${indent}${contextName}.readPixels(${argumentAsStrings.join(', ')});`); - if (readPixelsFile) { - writePPM(arguments[2], arguments[3]); - } - if (onReadPixels) { - onReadPixels(targetVariableName, argumentAsStrings); - } - return gl.readPixels.apply(gl, arguments); - case 'drawBuffers': - recording.push(`${indent}${contextName}.drawBuffers([${argumentsToString(arguments[0], { contextName, contextVariables, getEntity, addVariable, variables, onUnrecognizedArgumentLookup } )}]);`); - return gl.drawBuffers(arguments[0]); - } - let result = gl[property].apply(gl, arguments); - switch (typeof result) { - case 'undefined': - recording.push(`${indent}${methodCallToString(property, arguments)};`); - return; - case 'number': - case 'boolean': - if (useTrackablePrimitives && contextVariables.indexOf(trackablePrimitive(result)) === -1) { - recording.push(`${indent}const ${contextName}Variable${contextVariables.length} = ${methodCallToString(property, arguments)};`); - contextVariables.push(result = trackablePrimitive(result)); - break; - } - default: - if (result === null) { - recording.push(`${methodCallToString(property, arguments)};`); - } else { - recording.push(`${indent}const ${contextName}Variable${contextVariables.length} = ${methodCallToString(property, arguments)};`); - } - - contextVariables.push(result); - } - return result; - } - } - entityNames[gl[property]] = property; - return gl[property]; - } - function toString() { - return recording.join('\n'); - } - function reset() { - while (recording.length > 0) { - recording.pop(); - } - } - function insertVariable(name, value) { - variables[name] = value; - } - function getEntity(value) { - const name = entityNames[value]; - if (name) { - return contextName + '.' + name; - } - return value; - } - function setIndent(spaces) { - indent = ' '.repeat(spaces); - } - function addVariable(value, source) { - const variableName = `${contextName}Variable${contextVariables.length}`; - recording.push(`${indent}const ${variableName} = ${source};`); - contextVariables.push(value); - return variableName; - } - function writePPM(width, height) { - const sourceVariable = `${contextName}Variable${contextVariables.length}`; - const imageVariable = `imageDatum${imageCount}`; - recording.push(`${indent}let ${imageVariable} = ["P3\\n# ${readPixelsFile}.ppm\\n", ${width}, ' ', ${height}, "\\n255\\n"].join("");`); - recording.push(`${indent}for (let i = 0; i < ${imageVariable}.length; i += 4) {`); - recording.push(`${indent} ${imageVariable} += ${sourceVariable}[i] + ' ' + ${sourceVariable}[i + 1] + ' ' + ${sourceVariable}[i + 2] + ' ';`); - recording.push(`${indent}}`); - recording.push(`${indent}if (typeof require !== "undefined") {`); - recording.push(`${indent} require('fs').writeFileSync('./${readPixelsFile}.ppm', ${imageVariable});`); - recording.push(`${indent}}`); - imageCount++; - } - function addComment(value) { - recording.push(`${indent}// ${value}`); - } - function checkThrowError() { - recording.push(`${indent}(() => { -${indent}const error = ${contextName}.getError(); -${indent}if (error !== ${contextName}.NONE) { -${indent} const names = Object.getOwnPropertyNames(gl); -${indent} for (let i = 0; i < names.length; i++) { -${indent} const name = names[i]; -${indent} if (${contextName}[name] === error) { -${indent} throw new Error('${contextName} threw ' + name); -${indent} } -${indent} } -${indent}} -${indent}})();`); - } - function methodCallToString(method, args) { - return `${contextName}.${method}(${argumentsToString(args, { contextName, contextVariables, getEntity, addVariable, variables, onUnrecognizedArgumentLookup })})`; - } - - function getVariableName(value) { - if (variables) { - for (const name in variables) { - if (variables[name] === value) { - return name; - } - } - } - return null; - } - - function getContextVariableName(value) { - const i = contextVariables.indexOf(value); - if (i !== -1) { - return `${contextName}Variable${i}`; - } - return null; - } -} - -function glExtensionWiretap(extension, options) { - const proxy = new Proxy(extension, { get: listen }); - const extensionEntityNames = {}; - const { - contextName, - contextVariables, - getEntity, - useTrackablePrimitives, - recording, - variables, - indent, - onUnrecognizedArgumentLookup, - } = options; - return proxy; - function listen(obj, property) { - if (typeof obj[property] === 'function') { - return function() { - switch (property) { - case 'drawBuffersWEBGL': - recording.push(`${indent}${contextName}.drawBuffersWEBGL([${argumentsToString(arguments[0], { contextName, contextVariables, getEntity: getExtensionEntity, addVariable, variables, onUnrecognizedArgumentLookup })}]);`); - return extension.drawBuffersWEBGL(arguments[0]); - } - let result = extension[property].apply(extension, arguments); - switch (typeof result) { - case 'undefined': - recording.push(`${indent}${methodCallToString(property, arguments)};`); - return; - case 'number': - case 'boolean': - if (useTrackablePrimitives && contextVariables.indexOf(trackablePrimitive(result)) === -1) { - recording.push(`${indent}const ${contextName}Variable${contextVariables.length} = ${methodCallToString(property, arguments)};`); - contextVariables.push(result = trackablePrimitive(result)); - } else { - recording.push(`${indent}const ${contextName}Variable${contextVariables.length} = ${methodCallToString(property, arguments)};`); - contextVariables.push(result); - } - break; - default: - if (result === null) { - recording.push(`${methodCallToString(property, arguments)};`); - } else { - recording.push(`${indent}const ${contextName}Variable${contextVariables.length} = ${methodCallToString(property, arguments)};`); - } - contextVariables.push(result); - } - return result; - }; - } - extensionEntityNames[extension[property]] = property; - return extension[property]; - } - - function getExtensionEntity(value) { - if (extensionEntityNames.hasOwnProperty(value)) { - return `${contextName}.${extensionEntityNames[value]}`; - } - return getEntity(value); - } - - function methodCallToString(method, args) { - return `${contextName}.${method}(${argumentsToString(args, { contextName, contextVariables, getEntity: getExtensionEntity, addVariable, variables, onUnrecognizedArgumentLookup })})`; - } - - function addVariable(value, source) { - const variableName = `${contextName}Variable${contextVariables.length}`; - contextVariables.push(value); - recording.push(`${indent}const ${variableName} = ${source};`); - return variableName; - } -} - -function argumentsToString(args, options) { - const { variables, onUnrecognizedArgumentLookup } = options; - return (Array.from(args).map((arg) => { - const variableName = getVariableName(arg); - if (variableName) { - return variableName; - } - return argumentToString(arg, options); - }).join(', ')); - - function getVariableName(value) { - if (variables) { - for (const name in variables) { - if (!variables.hasOwnProperty(name)) continue; - if (variables[name] === value) { - return name; - } - } - } - if (onUnrecognizedArgumentLookup) { - return onUnrecognizedArgumentLookup(value); - } - return null; - } -} - -function argumentToString(arg, options) { - const { contextName, contextVariables, getEntity, addVariable, onUnrecognizedArgumentLookup } = options; - if (typeof arg === 'undefined') { - return 'undefined'; - } - if (arg === null) { - return 'null'; - } - const i = contextVariables.indexOf(arg); - if (i > -1) { - return `${contextName}Variable${i}`; - } - switch (arg.constructor.name) { - case 'String': - const hasLines = /\n/.test(arg); - const hasSingleQuotes = /'/.test(arg); - const hasDoubleQuotes = /"/.test(arg); - if (hasLines) { - return '`' + arg + '`'; - } else if (hasSingleQuotes && !hasDoubleQuotes) { - return '"' + arg + '"'; - } else if (!hasSingleQuotes && hasDoubleQuotes) { - return "'" + arg + "'"; - } else { - return '\'' + arg + '\''; - } - case 'Number': return getEntity(arg); - case 'Boolean': return getEntity(arg); - case 'Array': - return addVariable(arg, `new ${arg.constructor.name}([${Array.from(arg).join(',')}])`); - case 'Float32Array': - case 'Uint8Array': - case 'Uint16Array': - case 'Int32Array': - return addVariable(arg, `new ${arg.constructor.name}(${JSON.stringify(Array.from(arg))})`); - default: - if (onUnrecognizedArgumentLookup) { - const instantiationString = onUnrecognizedArgumentLookup(arg); - if (instantiationString) { - return instantiationString; - } - } - throw new Error(`unrecognized argument type ${arg.constructor.name}`); - } -} - -function trackablePrimitive(value) { - return new value.constructor(value); -} - -if (typeof module !== 'undefined') { - module.exports = { glWiretap, glExtensionWiretap }; -} - -if (typeof window !== 'undefined') { - glWiretap.glExtensionWiretap = glExtensionWiretap; - window.glWiretap = glWiretap; -} - -},{}],4:[function(require,module,exports){ -function setupArguments(args) { - const newArguments = new Array(args.length); - for (let i = 0; i < args.length; i++) { - const arg = args[i]; - if (arg.toArray) { - newArguments[i] = arg.toArray(); - } else { - newArguments[i] = arg; - } - } - return newArguments; -} - -function mock1D() { - const args = setupArguments(arguments); - const row = new Float32Array(this.output.x); - for (let x = 0; x < this.output.x; x++) { - this.thread.x = x; - this.thread.y = 0; - this.thread.z = 0; - row[x] = this._fn.apply(this, args); - } - return row; -} - -function mock2D() { - const args = setupArguments(arguments); - const matrix = new Array(this.output.y); - for (let y = 0; y < this.output.y; y++) { - const row = new Float32Array(this.output.x); - for (let x = 0; x < this.output.x; x++) { - this.thread.x = x; - this.thread.y = y; - this.thread.z = 0; - row[x] = this._fn.apply(this, args); - } - matrix[y] = row; - } - return matrix; -} - -function mock2DGraphical() { - const args = setupArguments(arguments); - for (let y = 0; y < this.output.y; y++) { - for (let x = 0; x < this.output.x; x++) { - this.thread.x = x; - this.thread.y = y; - this.thread.z = 0; - this._fn.apply(this, args); - } - } -} - -function mock3D() { - const args = setupArguments(arguments); - const cube = new Array(this.output.z); - for (let z = 0; z < this.output.z; z++) { - const matrix = new Array(this.output.y); - for (let y = 0; y < this.output.y; y++) { - const row = new Float32Array(this.output.x); - for (let x = 0; x < this.output.x; x++) { - this.thread.x = x; - this.thread.y = y; - this.thread.z = z; - row[x] = this._fn.apply(this, args); - } - matrix[y] = row; - } - cube[z] = matrix; - } - return cube; -} - -function apiDecorate(kernel) { - kernel.setOutput = (output) => { - kernel.output = setupOutput(output); - if (kernel.graphical) { - setupGraphical(kernel); - } - }; - kernel.toJSON = () => { - throw new Error('Not usable with gpuMock'); - }; - kernel.setConstants = (flag) => { - kernel.constants = flag; - return kernel; - }; - kernel.setGraphical = (flag) => { - kernel.graphical = flag; - return kernel; - }; - kernel.setCanvas = (flag) => { - kernel.canvas = flag; - return kernel; - }; - kernel.setContext = (flag) => { - kernel.context = flag; - return kernel; - }; - kernel.destroy = () => {}; - kernel.validateSettings = () => {}; - if (kernel.graphical && kernel.output) { - setupGraphical(kernel); - } - kernel.exec = function() { - return new Promise((resolve, reject) => { - try { - resolve(kernel.apply(kernel, arguments)); - } catch(e) { - reject(e); - } - }); - }; - kernel.getPixels = (flip) => { - const {x, y} = kernel.output; - return flip ? flipPixels(kernel._imageData.data, x, y) : kernel._imageData.data.slice(0); - }; - kernel.color = function(r, g, b, a) { - if (typeof a === 'undefined') { - a = 1; - } - - r = Math.floor(r * 255); - g = Math.floor(g * 255); - b = Math.floor(b * 255); - a = Math.floor(a * 255); - - const width = kernel.output.x; - const height = kernel.output.y; - - const x = kernel.thread.x; - const y = height - kernel.thread.y - 1; - - const index = x + y * width; - - kernel._colorData[index * 4 + 0] = r; - kernel._colorData[index * 4 + 1] = g; - kernel._colorData[index * 4 + 2] = b; - kernel._colorData[index * 4 + 3] = a; - }; - - const mockMethod = () => kernel; - const methods = [ - 'setWarnVarUsage', - 'setArgumentTypes', - 'setTactic', - 'setOptimizeFloatMemory', - 'setDebug', - 'setLoopMaxIterations', - 'setConstantTypes', - 'setFunctions', - 'setNativeFunctions', - 'setInjectedNative', - 'setPipeline', - 'setPrecision', - 'setOutputToTexture', - 'setImmutable', - 'setStrictIntegers', - 'setDynamicOutput', - 'setHardcodeConstants', - 'setDynamicArguments', - 'setUseLegacyEncoder', - 'setWarnVarUsage', - 'addSubKernel', - ]; - for (let i = 0; i < methods.length; i++) { - kernel[methods[i]] = mockMethod; - } - return kernel; -} - -function setupGraphical(kernel) { - const {x, y} = kernel.output; - if (kernel.context && kernel.context.createImageData) { - const data = new Uint8ClampedArray(x * y * 4); - kernel._imageData = kernel.context.createImageData(x, y); - kernel._colorData = data; - } else { - const data = new Uint8ClampedArray(x * y * 4); - kernel._imageData = { data }; - kernel._colorData = data; - } -} - -function setupOutput(output) { - let result = null; - if (output.length) { - if (output.length === 3) { - const [x,y,z] = output; - result = { x, y, z }; - } else if (output.length === 2) { - const [x,y] = output; - result = { x, y }; - } else { - const [x] = output; - result = { x }; - } - } else { - result = output; - } - return result; -} - -function gpuMock(fn, settings = {}) { - const output = settings.output ? setupOutput(settings.output) : null; - function kernel() { - if (kernel.output.z) { - return mock3D.apply(kernel, arguments); - } else if (kernel.output.y) { - if (kernel.graphical) { - return mock2DGraphical.apply(kernel, arguments); - } - return mock2D.apply(kernel, arguments); - } else { - return mock1D.apply(kernel, arguments); - } - } - kernel._fn = fn; - kernel.constants = settings.constants || null; - kernel.context = settings.context || null; - kernel.canvas = settings.canvas || null; - kernel.graphical = settings.graphical || false; - kernel._imageData = null; - kernel._colorData = null; - kernel.output = output; - kernel.thread = { - x: 0, - y: 0, - z: 0 - }; - return apiDecorate(kernel); -} - -function flipPixels(pixels, width, height) { - const halfHeight = height / 2 | 0; - const bytesPerRow = width * 4; - const temp = new Uint8ClampedArray(width * 4); - const result = pixels.slice(0); - for (let y = 0; y < halfHeight; ++y) { - const topOffset = y * bytesPerRow; - const bottomOffset = (height - y - 1) * bytesPerRow; - - temp.set(result.subarray(topOffset, topOffset + bytesPerRow)); - - result.copyWithin(topOffset, bottomOffset, bottomOffset + bytesPerRow); - - result.set(temp, bottomOffset); - } - return result; -} - -module.exports = { - gpuMock -}; - -},{}],5:[function(require,module,exports){ -const { utils } = require('./utils'); - -function alias(name, source) { - const fnString = source.toString(); - return new Function(`return function ${ name } (${ utils.getArgumentNamesFromString(fnString).join(', ') }) { - ${ utils.getFunctionBodyFromString(fnString) } -}`)(); -} - -module.exports = { - alias -}; -},{"./utils":114}],6:[function(require,module,exports){ -const { FunctionNode } = require('../function-node'); - -class CPUFunctionNode extends FunctionNode { - astFunction(ast, retArr) { - - if (!this.isRootKernel) { - retArr.push('function'); - retArr.push(' '); - retArr.push(this.name); - retArr.push('('); - - for (let i = 0; i < this.argumentNames.length; ++i) { - const argumentName = this.argumentNames[i]; - - if (i > 0) { - retArr.push(', '); - } - retArr.push('user_'); - retArr.push(argumentName); - } - - retArr.push(') {\n'); - } - - for (let i = 0; i < ast.body.body.length; ++i) { - this.astGeneric(ast.body.body[i], retArr); - retArr.push('\n'); - } - - if (!this.isRootKernel) { - retArr.push('}\n'); - } - return retArr; - } - - astReturnStatement(ast, retArr) { - const type = this.returnType || this.getType(ast.argument); - - if (!this.returnType) { - this.returnType = type; - } - - if (this.isRootKernel) { - retArr.push(this.leadingReturnStatement); - this.astGeneric(ast.argument, retArr); - retArr.push(';\n'); - retArr.push(this.followingReturnStatement); - retArr.push('continue;\n'); - } else if (this.isSubKernel) { - retArr.push(`subKernelResult_${ this.name } = `); - this.astGeneric(ast.argument, retArr); - retArr.push(';'); - retArr.push(`return subKernelResult_${ this.name };`); - } else { - retArr.push('return '); - this.astGeneric(ast.argument, retArr); - retArr.push(';'); - } - return retArr; - } - - astLiteral(ast, retArr) { - - if (isNaN(ast.value)) { - throw this.astErrorOutput( - 'Non-numeric literal not supported : ' + ast.value, - ast - ); - } - - retArr.push(ast.value); - - return retArr; - } - - astBinaryExpression(ast, retArr) { - retArr.push('('); - this.astGeneric(ast.left, retArr); - retArr.push(ast.operator); - this.astGeneric(ast.right, retArr); - retArr.push(')'); - return retArr; - } - - astIdentifierExpression(idtNode, retArr) { - if (idtNode.type !== 'Identifier') { - throw this.astErrorOutput( - 'IdentifierExpression - not an Identifier', - idtNode - ); - } - - switch (idtNode.name) { - case 'Infinity': - retArr.push('Infinity'); - break; - default: - if (this.constants && this.constants.hasOwnProperty(idtNode.name)) { - retArr.push('constants_' + idtNode.name); - } else { - retArr.push('user_' + idtNode.name); - } - } - - return retArr; - } - - astForStatement(forNode, retArr) { - if (forNode.type !== 'ForStatement') { - throw this.astErrorOutput('Invalid for statement', forNode); - } - - const initArr = []; - const testArr = []; - const updateArr = []; - const bodyArr = []; - let isSafe = null; - - if (forNode.init) { - this.pushState('in-for-loop-init'); - this.astGeneric(forNode.init, initArr); - for (let i = 0; i < initArr.length; i++) { - if (initArr[i].includes && initArr[i].includes(',')) { - isSafe = false; - } - } - this.popState('in-for-loop-init'); - } else { - isSafe = false; - } - - if (forNode.test) { - this.astGeneric(forNode.test, testArr); - } else { - isSafe = false; - } - - if (forNode.update) { - this.astGeneric(forNode.update, updateArr); - } else { - isSafe = false; - } - - if (forNode.body) { - this.pushState('loop-body'); - this.astGeneric(forNode.body, bodyArr); - this.popState('loop-body'); - } - - if (isSafe === null) { - isSafe = this.isSafe(forNode.init) && this.isSafe(forNode.test); - } - - if (isSafe) { - retArr.push(`for (${initArr.join('')};${testArr.join('')};${updateArr.join('')}){\n`); - retArr.push(bodyArr.join('')); - retArr.push('}\n'); - } else { - const iVariableName = this.getInternalVariableName('safeI'); - if (initArr.length > 0) { - retArr.push(initArr.join(''), ';\n'); - } - retArr.push(`for (let ${iVariableName}=0;${iVariableName} 0) { - retArr.push(`if (!${testArr.join('')}) break;\n`); - } - retArr.push(bodyArr.join('')); - retArr.push(`\n${updateArr.join('')};`); - retArr.push('}\n'); - } - return retArr; - } - - astWhileStatement(whileNode, retArr) { - if (whileNode.type !== 'WhileStatement') { - throw this.astErrorOutput( - 'Invalid while statement', - whileNode - ); - } - - retArr.push('for (let i = 0; i < LOOP_MAX; i++) {'); - retArr.push('if ('); - this.astGeneric(whileNode.test, retArr); - retArr.push(') {\n'); - this.astGeneric(whileNode.body, retArr); - retArr.push('} else {\n'); - retArr.push('break;\n'); - retArr.push('}\n'); - retArr.push('}\n'); - - return retArr; - } - - astDoWhileStatement(doWhileNode, retArr) { - if (doWhileNode.type !== 'DoWhileStatement') { - throw this.astErrorOutput( - 'Invalid while statement', - doWhileNode - ); - } - - retArr.push('for (let i = 0; i < LOOP_MAX; i++) {'); - this.astGeneric(doWhileNode.body, retArr); - retArr.push('if (!'); - this.astGeneric(doWhileNode.test, retArr); - retArr.push(') {\n'); - retArr.push('break;\n'); - retArr.push('}\n'); - retArr.push('}\n'); - - return retArr; - - } - - astAssignmentExpression(assNode, retArr) { - const declaration = this.getDeclaration(assNode.left); - if (declaration && !declaration.assignable) { - throw this.astErrorOutput(`Variable ${assNode.left.name} is not assignable here`, assNode); - } - this.astGeneric(assNode.left, retArr); - retArr.push(assNode.operator); - this.astGeneric(assNode.right, retArr); - return retArr; - } - - astBlockStatement(bNode, retArr) { - if (this.isState('loop-body')) { - this.pushState('block-body'); - for (let i = 0; i < bNode.body.length; i++) { - this.astGeneric(bNode.body[i], retArr); - } - this.popState('block-body'); - } else { - retArr.push('{\n'); - for (let i = 0; i < bNode.body.length; i++) { - this.astGeneric(bNode.body[i], retArr); - } - retArr.push('}\n'); - } - return retArr; - } - - astVariableDeclaration(varDecNode, retArr) { - retArr.push(`${varDecNode.kind} `); - const { declarations } = varDecNode; - for (let i = 0; i < declarations.length; i++) { - if (i > 0) { - retArr.push(','); - } - const declaration = declarations[i]; - const info = this.getDeclaration(declaration.id); - if (!info.valueType) { - info.valueType = this.getType(declaration.init); - } - this.astGeneric(declaration, retArr); - } - if (!this.isState('in-for-loop-init')) { - retArr.push(';'); - } - return retArr; - } - - astIfStatement(ifNode, retArr) { - retArr.push('if ('); - this.astGeneric(ifNode.test, retArr); - retArr.push(')'); - if (ifNode.consequent.type === 'BlockStatement') { - this.astGeneric(ifNode.consequent, retArr); - } else { - retArr.push(' {\n'); - this.astGeneric(ifNode.consequent, retArr); - retArr.push('\n}\n'); - } - - if (ifNode.alternate) { - retArr.push('else '); - if (ifNode.alternate.type === 'BlockStatement' || ifNode.alternate.type === 'IfStatement') { - this.astGeneric(ifNode.alternate, retArr); - } else { - retArr.push(' {\n'); - this.astGeneric(ifNode.alternate, retArr); - retArr.push('\n}\n'); - } - } - return retArr; - - } - - astSwitchStatement(ast, retArr) { - const { discriminant, cases } = ast; - retArr.push('switch ('); - this.astGeneric(discriminant, retArr); - retArr.push(') {\n'); - for (let i = 0; i < cases.length; i++) { - if (cases[i].test === null) { - retArr.push('default:\n'); - this.astGeneric(cases[i].consequent, retArr); - if (cases[i].consequent && cases[i].consequent.length > 0) { - retArr.push('break;\n'); - } - continue; - } - retArr.push('case '); - this.astGeneric(cases[i].test, retArr); - retArr.push(':\n'); - if (cases[i].consequent && cases[i].consequent.length > 0) { - this.astGeneric(cases[i].consequent, retArr); - retArr.push('break;\n'); - } - } - retArr.push('\n}'); - } - - astThisExpression(tNode, retArr) { - retArr.push('_this'); - return retArr; - } - - astMemberExpression(mNode, retArr) { - const { - signature, - type, - property, - xProperty, - yProperty, - zProperty, - name, - origin - } = this.getMemberExpressionDetails(mNode); - switch (signature) { - case 'this.thread.value': - retArr.push(`_this.thread.${ name }`); - return retArr; - case 'this.output.value': - switch (name) { - case 'x': - retArr.push('outputX'); - break; - case 'y': - retArr.push('outputY'); - break; - case 'z': - retArr.push('outputZ'); - break; - default: - throw this.astErrorOutput('Unexpected expression', mNode); - } - return retArr; - case 'value': - throw this.astErrorOutput('Unexpected expression', mNode); - case 'value[]': - case 'value[][]': - case 'value[][][]': - case 'value.value': - if (origin === 'Math') { - retArr.push(Math[name]); - return retArr; - } - switch (property) { - case 'r': - retArr.push(`user_${ name }[0]`); - return retArr; - case 'g': - retArr.push(`user_${ name }[1]`); - return retArr; - case 'b': - retArr.push(`user_${ name }[2]`); - return retArr; - case 'a': - retArr.push(`user_${ name }[3]`); - return retArr; - } - break; - case 'this.constants.value': - case 'this.constants.value[]': - case 'this.constants.value[][]': - case 'this.constants.value[][][]': - break; - case 'fn()[]': - this.astGeneric(mNode.object, retArr); - retArr.push('['); - this.astGeneric(mNode.property, retArr); - retArr.push(']'); - return retArr; - case 'fn()[][]': - this.astGeneric(mNode.object.object, retArr); - retArr.push('['); - this.astGeneric(mNode.object.property, retArr); - retArr.push(']'); - retArr.push('['); - this.astGeneric(mNode.property, retArr); - retArr.push(']'); - return retArr; - default: - throw this.astErrorOutput('Unexpected expression', mNode); - } - - if (!mNode.computed) { - switch (type) { - case 'Number': - case 'Integer': - case 'Float': - case 'Boolean': - retArr.push(`${origin}_${name}`); - return retArr; - } - } - - const markupName = `${origin}_${name}`; - - switch (type) { - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - case 'Matrix(2)': - case 'Matrix(3)': - case 'Matrix(4)': - case 'HTMLImageArray': - case 'ArrayTexture(1)': - case 'ArrayTexture(2)': - case 'ArrayTexture(3)': - case 'ArrayTexture(4)': - case 'HTMLImage': - default: - let size; - let isInput; - if (origin === 'constants') { - const constant = this.constants[name]; - isInput = this.constantTypes[name] === 'Input'; - size = isInput ? constant.size : null; - } else { - isInput = this.isInput(name); - size = isInput ? this.argumentSizes[this.argumentNames.indexOf(name)] : null; - } - retArr.push(`${ markupName }`); - if (zProperty && yProperty) { - if (isInput) { - retArr.push('[('); - this.astGeneric(zProperty, retArr); - retArr.push(`*${ this.dynamicArguments ? '(outputY * outputX)' : size[1] * size[0] })+(`); - this.astGeneric(yProperty, retArr); - retArr.push(`*${ this.dynamicArguments ? 'outputX' : size[0] })+`); - this.astGeneric(xProperty, retArr); - retArr.push(']'); - } else { - retArr.push('['); - this.astGeneric(zProperty, retArr); - retArr.push(']'); - retArr.push('['); - this.astGeneric(yProperty, retArr); - retArr.push(']'); - retArr.push('['); - this.astGeneric(xProperty, retArr); - retArr.push(']'); - } - } else if (yProperty) { - if (isInput) { - retArr.push('[('); - this.astGeneric(yProperty, retArr); - retArr.push(`*${ this.dynamicArguments ? 'outputX' : size[0] })+`); - this.astGeneric(xProperty, retArr); - retArr.push(']'); - } else { - retArr.push('['); - this.astGeneric(yProperty, retArr); - retArr.push(']'); - retArr.push('['); - this.astGeneric(xProperty, retArr); - retArr.push(']'); - } - } else if (typeof xProperty !== 'undefined') { - retArr.push('['); - this.astGeneric(xProperty, retArr); - retArr.push(']'); - } - } - return retArr; - } - - astCallExpression(ast, retArr) { - if (ast.type !== 'CallExpression') { - throw this.astErrorOutput('Unknown CallExpression', ast); - } - let functionName = this.astMemberExpressionUnroll(ast.callee); - - if (this.calledFunctions.indexOf(functionName) < 0) { - this.calledFunctions.push(functionName); - } - - const isMathFunction = this.isAstMathFunction(ast); - - if (this.onFunctionCall) { - this.onFunctionCall(this.name, functionName, ast.arguments); - } - - retArr.push(functionName); - - retArr.push('('); - const targetTypes = this.lookupFunctionArgumentTypes(functionName) || []; - for (let i = 0; i < ast.arguments.length; ++i) { - const argument = ast.arguments[i]; - - let argumentType = this.getType(argument); - if (!targetTypes[i]) { - this.triggerImplyArgumentType(functionName, i, argumentType, this); - } - - if (i > 0) { - retArr.push(', '); - } - this.astGeneric(argument, retArr); - } - retArr.push(')'); - - return retArr; - } - - astArrayExpression(arrNode, retArr) { - const returnType = this.getType(arrNode); - const arrLen = arrNode.elements.length; - const elements = []; - for (let i = 0; i < arrLen; ++i) { - const element = []; - this.astGeneric(arrNode.elements[i], element); - elements.push(element.join('')); - } - switch (returnType) { - case 'Matrix(2)': - case 'Matrix(3)': - case 'Matrix(4)': - retArr.push(`[${elements.join(', ')}]`); - break; - default: - retArr.push(`new Float32Array([${elements.join(', ')}])`); - } - return retArr; - } - - astDebuggerStatement(arrNode, retArr) { - retArr.push('debugger;'); - return retArr; - } -} - -module.exports = { - CPUFunctionNode -}; -},{"../function-node":10}],7:[function(require,module,exports){ -const { utils } = require('../../utils'); - -function constantsToString(constants, types) { - const results = []; - for (const name in types) { - if (!types.hasOwnProperty(name)) continue; - const type = types[name]; - const constant = constants[name]; - switch (type) { - case 'Number': - case 'Integer': - case 'Float': - case 'Boolean': - results.push(`${name}:${constant}`); - break; - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - case 'Matrix(2)': - case 'Matrix(3)': - case 'Matrix(4)': - results.push(`${name}:new ${constant.constructor.name}(${JSON.stringify(Array.from(constant))})`); - break; - } - } - return `{ ${ results.join() } }`; -} - -function cpuKernelString(cpuKernel, name) { - const header = []; - const thisProperties = []; - const beforeReturn = []; - - const useFunctionKeyword = !/^function/.test(cpuKernel.color.toString()); - - header.push( - ' const { context, canvas, constants: incomingConstants } = settings;', - ` const output = new Int32Array(${JSON.stringify(Array.from(cpuKernel.output))});`, - ` const _constantTypes = ${JSON.stringify(cpuKernel.constantTypes)};`, - ` const _constants = ${constantsToString(cpuKernel.constants, cpuKernel.constantTypes)};` - ); - - thisProperties.push( - ' constants: _constants,', - ' context,', - ' output,', - ' thread: {x: 0, y: 0, z: 0},' - ); - - if (cpuKernel.graphical) { - header.push(` const _imageData = context.createImageData(${cpuKernel.output[0]}, ${cpuKernel.output[1]});`); - header.push(` const _colorData = new Uint8ClampedArray(${cpuKernel.output[0]} * ${cpuKernel.output[1]} * 4);`); - - const colorFn = utils.flattenFunctionToString((useFunctionKeyword ? 'function ' : '') + cpuKernel.color.toString(), { - thisLookup: (propertyName) => { - switch (propertyName) { - case '_colorData': - return '_colorData'; - case '_imageData': - return '_imageData'; - case 'output': - return 'output'; - case 'thread': - return 'this.thread'; - } - return JSON.stringify(cpuKernel[propertyName]); - }, - findDependency: (object, name) => { - return null; - } - }); - - const getPixelsFn = utils.flattenFunctionToString((useFunctionKeyword ? 'function ' : '') + cpuKernel.getPixels.toString(), { - thisLookup: (propertyName) => { - switch (propertyName) { - case '_colorData': - return '_colorData'; - case '_imageData': - return '_imageData'; - case 'output': - return 'output'; - case 'thread': - return 'this.thread'; - } - return JSON.stringify(cpuKernel[propertyName]); - }, - findDependency: () => { - return null; - } - }); - - thisProperties.push( - ' _imageData,', - ' _colorData,', - ` color: ${colorFn},` - ); - - beforeReturn.push( - ` kernel.getPixels = ${getPixelsFn};` - ); - } - - const constantTypes = []; - const constantKeys = Object.keys(cpuKernel.constantTypes); - for (let i = 0; i < constantKeys.length; i++) { - constantTypes.push(cpuKernel.constantTypes[constantKeys]); - } - if (cpuKernel.argumentTypes.indexOf('HTMLImageArray') !== -1 || constantTypes.indexOf('HTMLImageArray') !== -1) { - const flattenedImageTo3DArray = utils.flattenFunctionToString((useFunctionKeyword ? 'function ' : '') + cpuKernel._imageTo3DArray.toString(), { - doNotDefine: ['canvas'], - findDependency: (object, name) => { - if (object === 'this') { - return (useFunctionKeyword ? 'function ' : '') + cpuKernel[name].toString(); - } - return null; - }, - thisLookup: (propertyName) => { - switch (propertyName) { - case 'canvas': - return; - case 'context': - return 'context'; - } - } - }); - beforeReturn.push(flattenedImageTo3DArray); - thisProperties.push(` _mediaTo2DArray,`); - thisProperties.push(` _imageTo3DArray,`); - } else if (cpuKernel.argumentTypes.indexOf('HTMLImage') !== -1 || constantTypes.indexOf('HTMLImage') !== -1) { - const flattenedImageTo2DArray = utils.flattenFunctionToString((useFunctionKeyword ? 'function ' : '') + cpuKernel._mediaTo2DArray.toString(), { - findDependency: (object, name) => { - return null; - }, - thisLookup: (propertyName) => { - switch (propertyName) { - case 'canvas': - return 'settings.canvas'; - case 'context': - return 'settings.context'; - } - throw new Error('unhandled thisLookup'); - } - }); - beforeReturn.push(flattenedImageTo2DArray); - thisProperties.push(` _mediaTo2DArray,`); - } - - return `function(settings) { -${ header.join('\n') } - for (const p in _constantTypes) { - if (!_constantTypes.hasOwnProperty(p)) continue; - const type = _constantTypes[p]; - switch (type) { - case 'Number': - case 'Integer': - case 'Float': - case 'Boolean': - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - case 'Matrix(2)': - case 'Matrix(3)': - case 'Matrix(4)': - if (incomingConstants.hasOwnProperty(p)) { - console.warn('constant ' + p + ' of type ' + type + ' cannot be resigned'); - } - continue; - } - if (!incomingConstants.hasOwnProperty(p)) { - throw new Error('constant ' + p + ' not found'); - } - _constants[p] = incomingConstants[p]; - } - const kernel = (function() { -${cpuKernel._kernelString} - }) - .apply({ ${thisProperties.join('\n')} }); - ${ beforeReturn.join('\n') } - return kernel; -}`; -} - -module.exports = { - cpuKernelString -}; -},{"../../utils":114}],8:[function(require,module,exports){ -const { Kernel } = require('../kernel'); -const { FunctionBuilder } = require('../function-builder'); -const { CPUFunctionNode } = require('./function-node'); -const { utils } = require('../../utils'); -const { cpuKernelString } = require('./kernel-string'); - -class CPUKernel extends Kernel { - static getFeatures() { - return this.features; - } - static get features() { - return Object.freeze({ - kernelMap: true, - isIntegerDivisionAccurate: true - }); - } - static get isSupported() { - return true; - } - static isContextMatch(context) { - return false; - } - static get mode() { - return 'cpu'; - } - - static nativeFunctionArguments() { - return null; - } - - static nativeFunctionReturnType() { - throw new Error(`Looking up native function return type not supported on ${this.name}`); - } - - static combineKernels(combinedKernel) { - return combinedKernel; - } - - static getSignature(kernel, argumentTypes) { - return 'cpu' + (argumentTypes.length > 0 ? ':' + argumentTypes.join(',') : ''); - } - - constructor(source, settings) { - super(source, settings); - this.mergeSettings(source.settings || settings); - - this._imageData = null; - this._colorData = null; - this._kernelString = null; - this._prependedString = []; - this.thread = { - x: 0, - y: 0, - z: 0 - }; - this.translatedSources = null; - } - - initCanvas() { - if (typeof document !== 'undefined') { - return document.createElement('canvas'); - } else if (typeof OffscreenCanvas !== 'undefined') { - return new OffscreenCanvas(0, 0); - } - } - - initContext() { - if (!this.canvas) return null; - return this.canvas.getContext('2d'); - } - - initPlugins(settings) { - return []; - } - - validateSettings(args) { - if (!this.output || this.output.length === 0) { - if (args.length !== 1) { - throw new Error('Auto output only supported for kernels with only one input'); - } - - const argType = utils.getVariableType(args[0], this.strictIntegers); - if (argType === 'Array') { - this.output = utils.getDimensions(argType); - } else if (argType === 'NumberTexture' || argType === 'ArrayTexture(4)') { - this.output = args[0].output; - } else { - throw new Error('Auto output not supported for input type: ' + argType); - } - } - - if (this.graphical) { - if (this.output.length !== 2) { - throw new Error('Output must have 2 dimensions on graphical mode'); - } - } - - this.checkOutput(); - } - - translateSource() { - this.leadingReturnStatement = this.output.length > 1 ? 'resultX[x] = ' : 'result[x] = '; - if (this.subKernels) { - const followingReturnStatement = []; - for (let i = 0; i < this.subKernels.length; i++) { - const { - name - } = this.subKernels[i]; - followingReturnStatement.push(this.output.length > 1 ? `resultX_${ name }[x] = subKernelResult_${ name };\n` : `result_${ name }[x] = subKernelResult_${ name };\n`); - } - this.followingReturnStatement = followingReturnStatement.join(''); - } - const functionBuilder = FunctionBuilder.fromKernel(this, CPUFunctionNode); - this.translatedSources = functionBuilder.getPrototypes('kernel'); - if (!this.graphical && !this.returnType) { - this.returnType = functionBuilder.getKernelResultType(); - } - } - - build() { - if (this.built) return; - this.setupConstants(); - this.setupArguments(arguments); - this.validateSettings(arguments); - this.translateSource(); - - if (this.graphical) { - const { - canvas, - output - } = this; - if (!canvas) { - throw new Error('no canvas available for using graphical output'); - } - const width = output[0]; - const height = output[1] || 1; - canvas.width = width; - canvas.height = height; - this._imageData = this.context.createImageData(width, height); - this._colorData = new Uint8ClampedArray(width * height * 4); - } - - const kernelString = this.getKernelString(); - this.kernelString = kernelString; - - if (this.debug) { - console.log('Function output:'); - console.log(kernelString); - } - - try { - this.run = new Function([], kernelString).bind(this)(); - } catch (e) { - console.error('An error occurred compiling the javascript: ', e); - } - this.buildSignature(arguments); - this.built = true; - } - - color(r, g, b, a) { - if (typeof a === 'undefined') { - a = 1; - } - - r = Math.floor(r * 255); - g = Math.floor(g * 255); - b = Math.floor(b * 255); - a = Math.floor(a * 255); - - const width = this.output[0]; - const height = this.output[1]; - - const x = this.thread.x; - const y = height - this.thread.y - 1; - - const index = x + y * width; - - this._colorData[index * 4 + 0] = r; - this._colorData[index * 4 + 1] = g; - this._colorData[index * 4 + 2] = b; - this._colorData[index * 4 + 3] = a; - } - - getKernelString() { - if (this._kernelString !== null) return this._kernelString; - - let kernelThreadString = null; - let { - translatedSources - } = this; - if (translatedSources.length > 1) { - translatedSources = translatedSources.filter(fn => { - if (/^function/.test(fn)) return fn; - kernelThreadString = fn; - return false; - }); - } else { - kernelThreadString = translatedSources.shift(); - } - return this._kernelString = ` const LOOP_MAX = ${ this._getLoopMaxString() }; - ${ this.injectedNative || '' } - const _this = this; - ${ this._resultKernelHeader() } - ${ this._processConstants() } - return (${ this.argumentNames.map(argumentName => 'user_' + argumentName).join(', ') }) => { - ${ this._prependedString.join('') } - ${ this._earlyThrows() } - ${ this._processArguments() } - ${ this.graphical ? this._graphicalKernelBody(kernelThreadString) : this._resultKernelBody(kernelThreadString) } - ${ translatedSources.length > 0 ? translatedSources.join('\n') : '' } - };`; - } - - toString() { - return cpuKernelString(this); - } - - _getLoopMaxString() { - return ( - this.loopMaxIterations ? - ` ${ parseInt(this.loopMaxIterations) };` : - ' 1000;' - ); - } - - _processConstants() { - if (!this.constants) return ''; - - const result = []; - for (let p in this.constants) { - const type = this.constantTypes[p]; - switch (type) { - case 'HTMLCanvas': - case 'OffscreenCanvas': - case 'HTMLImage': - case 'ImageBitmap': - case 'ImageData': - case 'HTMLVideo': - result.push(` const constants_${p} = this._mediaTo2DArray(this.constants.${p});\n`); - break; - case 'HTMLImageArray': - result.push(` const constants_${p} = this._imageTo3DArray(this.constants.${p});\n`); - break; - case 'Input': - result.push(` const constants_${p} = this.constants.${p}.value;\n`); - break; - default: - result.push(` const constants_${p} = this.constants.${p};\n`); - } - } - return result.join(''); - } - - _earlyThrows() { - if (this.graphical) return ''; - if (this.immutable) return ''; - if (!this.pipeline) return ''; - const arrayArguments = []; - for (let i = 0; i < this.argumentTypes.length; i++) { - if (this.argumentTypes[i] === 'Array') { - arrayArguments.push(this.argumentNames[i]); - } - } - if (arrayArguments.length === 0) return ''; - const checks = []; - for (let i = 0; i < arrayArguments.length; i++) { - const argumentName = arrayArguments[i]; - const checkSubKernels = this._mapSubKernels(subKernel => `user_${argumentName} === result_${subKernel.name}`).join(' || '); - checks.push(`user_${argumentName} === result${checkSubKernels ? ` || ${checkSubKernels}` : ''}`); - } - return `if (${checks.join(' || ')}) throw new Error('Source and destination arrays are the same. Use immutable = true');`; - } - - _processArguments() { - const result = []; - for (let i = 0; i < this.argumentTypes.length; i++) { - const variableName = `user_${this.argumentNames[i]}`; - switch (this.argumentTypes[i]) { - case 'HTMLCanvas': - case 'OffscreenCanvas': - case 'HTMLImage': - case 'ImageBitmap': - case 'ImageData': - case 'HTMLVideo': - result.push(` ${variableName} = this._mediaTo2DArray(${variableName});\n`); - break; - case 'HTMLImageArray': - result.push(` ${variableName} = this._imageTo3DArray(${variableName});\n`); - break; - case 'Input': - result.push(` ${variableName} = ${variableName}.value;\n`); - break; - case 'ArrayTexture(1)': - case 'ArrayTexture(2)': - case 'ArrayTexture(3)': - case 'ArrayTexture(4)': - case 'NumberTexture': - case 'MemoryOptimizedNumberTexture': - result.push(` - if (${variableName}.toArray) { - if (!_this.textureCache) { - _this.textureCache = []; - _this.arrayCache = []; - } - const textureIndex = _this.textureCache.indexOf(${variableName}); - if (textureIndex !== -1) { - ${variableName} = _this.arrayCache[textureIndex]; - } else { - _this.textureCache.push(${variableName}); - ${variableName} = ${variableName}.toArray(); - _this.arrayCache.push(${variableName}); - } - }`); - break; - } - } - return result.join(''); - } - - _mediaTo2DArray(media) { - const canvas = this.canvas; - const width = media.width > 0 ? media.width : media.videoWidth; - const height = media.height > 0 ? media.height : media.videoHeight; - if (canvas.width < width) { - canvas.width = width; - } - if (canvas.height < height) { - canvas.height = height; - } - const ctx = this.context; - let pixelsData; - if (media.constructor === ImageData) { - pixelsData = media.data; - } else { - ctx.drawImage(media, 0, 0, width, height); - pixelsData = ctx.getImageData(0, 0, width, height).data; - } - const imageArray = new Array(height); - let index = 0; - for (let y = height - 1; y >= 0; y--) { - const row = imageArray[y] = new Array(width); - for (let x = 0; x < width; x++) { - const pixel = new Float32Array(4); - pixel[0] = pixelsData[index++] / 255; - pixel[1] = pixelsData[index++] / 255; - pixel[2] = pixelsData[index++] / 255; - pixel[3] = pixelsData[index++] / 255; - row[x] = pixel; - } - } - return imageArray; - } - - getPixels(flip) { - const [width, height] = this.output; - return flip ? utils.flipPixels(this._imageData.data, width, height) : this._imageData.data.slice(0); - } - - _imageTo3DArray(images) { - const imagesArray = new Array(images.length); - for (let i = 0; i < images.length; i++) { - imagesArray[i] = this._mediaTo2DArray(images[i]); - } - return imagesArray; - } - - _resultKernelHeader() { - if (this.graphical) return ''; - if (this.immutable) return ''; - if (!this.pipeline) return ''; - switch (this.output.length) { - case 1: - return this._mutableKernel1DResults(); - case 2: - return this._mutableKernel2DResults(); - case 3: - return this._mutableKernel3DResults(); - } - } - - _resultKernelBody(kernelString) { - switch (this.output.length) { - case 1: - return (!this.immutable && this.pipeline ? this._resultMutableKernel1DLoop(kernelString) : this._resultImmutableKernel1DLoop(kernelString)) + this._kernelOutput(); - case 2: - return (!this.immutable && this.pipeline ? this._resultMutableKernel2DLoop(kernelString) : this._resultImmutableKernel2DLoop(kernelString)) + this._kernelOutput(); - case 3: - return (!this.immutable && this.pipeline ? this._resultMutableKernel3DLoop(kernelString) : this._resultImmutableKernel3DLoop(kernelString)) + this._kernelOutput(); - default: - throw new Error('unsupported size kernel'); - } - } - - _graphicalKernelBody(kernelThreadString) { - switch (this.output.length) { - case 2: - return this._graphicalKernel2DLoop(kernelThreadString) + this._graphicalOutput(); - default: - throw new Error('unsupported size kernel'); - } - } - - _graphicalOutput() { - return ` - this._imageData.data.set(this._colorData); - this.context.putImageData(this._imageData, 0, 0); - return;` - } - - _getKernelResultTypeConstructorString() { - switch (this.returnType) { - case 'LiteralInteger': - case 'Number': - case 'Integer': - case 'Float': - return 'Float32Array'; - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - return 'Array'; - default: - if (this.graphical) { - return 'Float32Array'; - } - throw new Error(`unhandled returnType ${ this.returnType }`); - } - } - - _resultImmutableKernel1DLoop(kernelString) { - const constructorString = this._getKernelResultTypeConstructorString(); - return ` const outputX = _this.output[0]; - const result = new ${constructorString}(outputX); - ${ this._mapSubKernels(subKernel => `const result_${ subKernel.name } = new ${constructorString}(outputX);\n`).join(' ') } - ${ this._mapSubKernels(subKernel => `let subKernelResult_${ subKernel.name };\n`).join(' ') } - for (let x = 0; x < outputX; x++) { - this.thread.x = x; - this.thread.y = 0; - this.thread.z = 0; - ${ kernelString } - }`; - } - - _mutableKernel1DResults() { - const constructorString = this._getKernelResultTypeConstructorString(); - return ` const outputX = _this.output[0]; - const result = new ${constructorString}(outputX); - ${ this._mapSubKernels(subKernel => `const result_${ subKernel.name } = new ${constructorString}(outputX);\n`).join(' ') } - ${ this._mapSubKernels(subKernel => `let subKernelResult_${ subKernel.name };\n`).join(' ') }`; - } - - _resultMutableKernel1DLoop(kernelString) { - return ` const outputX = _this.output[0]; - for (let x = 0; x < outputX; x++) { - this.thread.x = x; - this.thread.y = 0; - this.thread.z = 0; - ${ kernelString } - }`; - } - - _resultImmutableKernel2DLoop(kernelString) { - const constructorString = this._getKernelResultTypeConstructorString(); - return ` const outputX = _this.output[0]; - const outputY = _this.output[1]; - const result = new Array(outputY); - ${ this._mapSubKernels(subKernel => `const result_${ subKernel.name } = new Array(outputY);\n`).join(' ') } - ${ this._mapSubKernels(subKernel => `let subKernelResult_${ subKernel.name };\n`).join(' ') } - for (let y = 0; y < outputY; y++) { - this.thread.z = 0; - this.thread.y = y; - const resultX = result[y] = new ${constructorString}(outputX); - ${ this._mapSubKernels(subKernel => `const resultX_${ subKernel.name } = result_${subKernel.name}[y] = new ${constructorString}(outputX);\n`).join('') } - for (let x = 0; x < outputX; x++) { - this.thread.x = x; - ${ kernelString } - } - }`; - } - - _mutableKernel2DResults() { - const constructorString = this._getKernelResultTypeConstructorString(); - return ` const outputX = _this.output[0]; - const outputY = _this.output[1]; - const result = new Array(outputY); - ${ this._mapSubKernels(subKernel => `const result_${ subKernel.name } = new Array(outputY);\n`).join(' ') } - ${ this._mapSubKernels(subKernel => `let subKernelResult_${ subKernel.name };\n`).join(' ') } - for (let y = 0; y < outputY; y++) { - const resultX = result[y] = new ${constructorString}(outputX); - ${ this._mapSubKernels(subKernel => `const resultX_${ subKernel.name } = result_${subKernel.name}[y] = new ${constructorString}(outputX);\n`).join('') } - }`; - } - - _resultMutableKernel2DLoop(kernelString) { - const constructorString = this._getKernelResultTypeConstructorString(); - return ` const outputX = _this.output[0]; - const outputY = _this.output[1]; - for (let y = 0; y < outputY; y++) { - this.thread.z = 0; - this.thread.y = y; - const resultX = result[y]; - ${ this._mapSubKernels(subKernel => `const resultX_${ subKernel.name } = result_${subKernel.name}[y] = new ${constructorString}(outputX);\n`).join('') } - for (let x = 0; x < outputX; x++) { - this.thread.x = x; - ${ kernelString } - } - }`; - } - - _graphicalKernel2DLoop(kernelString) { - return ` const outputX = _this.output[0]; - const outputY = _this.output[1]; - for (let y = 0; y < outputY; y++) { - this.thread.z = 0; - this.thread.y = y; - for (let x = 0; x < outputX; x++) { - this.thread.x = x; - ${ kernelString } - } - }`; - } - - _resultImmutableKernel3DLoop(kernelString) { - const constructorString = this._getKernelResultTypeConstructorString(); - return ` const outputX = _this.output[0]; - const outputY = _this.output[1]; - const outputZ = _this.output[2]; - const result = new Array(outputZ); - ${ this._mapSubKernels(subKernel => `const result_${ subKernel.name } = new Array(outputZ);\n`).join(' ') } - ${ this._mapSubKernels(subKernel => `let subKernelResult_${ subKernel.name };\n`).join(' ') } - for (let z = 0; z < outputZ; z++) { - this.thread.z = z; - const resultY = result[z] = new Array(outputY); - ${ this._mapSubKernels(subKernel => `const resultY_${ subKernel.name } = result_${subKernel.name}[z] = new Array(outputY);\n`).join(' ') } - for (let y = 0; y < outputY; y++) { - this.thread.y = y; - const resultX = resultY[y] = new ${constructorString}(outputX); - ${ this._mapSubKernels(subKernel => `const resultX_${ subKernel.name } = resultY_${subKernel.name}[y] = new ${constructorString}(outputX);\n`).join(' ') } - for (let x = 0; x < outputX; x++) { - this.thread.x = x; - ${ kernelString } - } - } - }`; - } - - _mutableKernel3DResults() { - const constructorString = this._getKernelResultTypeConstructorString(); - return ` const outputX = _this.output[0]; - const outputY = _this.output[1]; - const outputZ = _this.output[2]; - const result = new Array(outputZ); - ${ this._mapSubKernels(subKernel => `const result_${ subKernel.name } = new Array(outputZ);\n`).join(' ') } - ${ this._mapSubKernels(subKernel => `let subKernelResult_${ subKernel.name };\n`).join(' ') } - for (let z = 0; z < outputZ; z++) { - const resultY = result[z] = new Array(outputY); - ${ this._mapSubKernels(subKernel => `const resultY_${ subKernel.name } = result_${subKernel.name}[z] = new Array(outputY);\n`).join(' ') } - for (let y = 0; y < outputY; y++) { - const resultX = resultY[y] = new ${constructorString}(outputX); - ${ this._mapSubKernels(subKernel => `const resultX_${ subKernel.name } = resultY_${subKernel.name}[y] = new ${constructorString}(outputX);\n`).join(' ') } - } - }`; - } - - _resultMutableKernel3DLoop(kernelString) { - return ` const outputX = _this.output[0]; - const outputY = _this.output[1]; - const outputZ = _this.output[2]; - for (let z = 0; z < outputZ; z++) { - this.thread.z = z; - const resultY = result[z]; - for (let y = 0; y < outputY; y++) { - this.thread.y = y; - const resultX = resultY[y]; - for (let x = 0; x < outputX; x++) { - this.thread.x = x; - ${ kernelString } - } - } - }`; - } - - _kernelOutput() { - if (!this.subKernels) { - return '\n return result;'; - } - return `\n return { - result: result, - ${ this.subKernels.map(subKernel => `${ subKernel.property }: result_${ subKernel.name }`).join(',\n ') } - };`; - } - - _mapSubKernels(fn) { - return this.subKernels === null ? [''] : - this.subKernels.map(fn); - } - - destroy(removeCanvasReference) { - if (removeCanvasReference) { - delete this.canvas; - } - } - - static destroyContext(context) {} - - toJSON() { - const json = super.toJSON(); - json.functionNodes = FunctionBuilder.fromKernel(this, CPUFunctionNode).toJSON(); - return json; - } - - setOutput(output) { - super.setOutput(output); - const [width, height] = this.output; - if (this.graphical) { - this._imageData = this.context.createImageData(width, height); - this._colorData = new Uint8ClampedArray(width * height * 4); - } - } - - prependString(value) { - if (this._kernelString) throw new Error('Kernel already built'); - this._prependedString.push(value); - } - - hasPrependString(value) { - return this._prependedString.indexOf(value) > -1; - } -} - -module.exports = { - CPUKernel -}; -},{"../../utils":114,"../function-builder":9,"../kernel":36,"./function-node":6,"./kernel-string":7}],9:[function(require,module,exports){ -class FunctionBuilder { - static fromKernel(kernel, FunctionNode, extraNodeOptions) { - const { - kernelArguments, - kernelConstants, - argumentNames, - argumentSizes, - argumentBitRatios, - constants, - constantBitRatios, - debug, - loopMaxIterations, - nativeFunctions, - output, - optimizeFloatMemory, - precision, - plugins, - source, - subKernels, - functions, - leadingReturnStatement, - followingReturnStatement, - dynamicArguments, - dynamicOutput, - } = kernel; - - const argumentTypes = new Array(kernelArguments.length); - const constantTypes = {}; - - for (let i = 0; i < kernelArguments.length; i++) { - argumentTypes[i] = kernelArguments[i].type; - } - - for (let i = 0; i < kernelConstants.length; i++) { - const kernelConstant = kernelConstants[i]; - constantTypes[kernelConstant.name] = kernelConstant.type; - } - - const needsArgumentType = (functionName, index) => { - return functionBuilder.needsArgumentType(functionName, index); - }; - - const assignArgumentType = (functionName, index, type) => { - functionBuilder.assignArgumentType(functionName, index, type); - }; - - const lookupReturnType = (functionName, ast, requestingNode) => { - return functionBuilder.lookupReturnType(functionName, ast, requestingNode); - }; - - const lookupFunctionArgumentTypes = (functionName) => { - return functionBuilder.lookupFunctionArgumentTypes(functionName); - }; - - const lookupFunctionArgumentName = (functionName, argumentIndex) => { - return functionBuilder.lookupFunctionArgumentName(functionName, argumentIndex); - }; - - const lookupFunctionArgumentBitRatio = (functionName, argumentName) => { - return functionBuilder.lookupFunctionArgumentBitRatio(functionName, argumentName); - }; - - const triggerImplyArgumentType = (functionName, i, argumentType, requestingNode) => { - functionBuilder.assignArgumentType(functionName, i, argumentType, requestingNode); - }; - - const triggerImplyArgumentBitRatio = (functionName, argumentName, calleeFunctionName, argumentIndex) => { - functionBuilder.assignArgumentBitRatio(functionName, argumentName, calleeFunctionName, argumentIndex); - }; - - const onFunctionCall = (functionName, calleeFunctionName, args) => { - functionBuilder.trackFunctionCall(functionName, calleeFunctionName, args); - }; - - const onNestedFunction = (ast, source) => { - const argumentNames = []; - for (let i = 0; i < ast.params.length; i++) { - argumentNames.push(ast.params[i].name); - } - const nestedFunction = new FunctionNode(source, Object.assign({}, nodeOptions, { - returnType: null, - ast, - name: ast.id.name, - argumentNames, - lookupReturnType, - lookupFunctionArgumentTypes, - lookupFunctionArgumentName, - lookupFunctionArgumentBitRatio, - needsArgumentType, - assignArgumentType, - triggerImplyArgumentType, - triggerImplyArgumentBitRatio, - onFunctionCall, - })); - nestedFunction.traceFunctionAST(ast); - functionBuilder.addFunctionNode(nestedFunction); - }; - - const nodeOptions = Object.assign({ - isRootKernel: false, - onNestedFunction, - lookupReturnType, - lookupFunctionArgumentTypes, - lookupFunctionArgumentName, - lookupFunctionArgumentBitRatio, - needsArgumentType, - assignArgumentType, - triggerImplyArgumentType, - triggerImplyArgumentBitRatio, - onFunctionCall, - optimizeFloatMemory, - precision, - constants, - constantTypes, - constantBitRatios, - debug, - loopMaxIterations, - output, - plugins, - dynamicArguments, - dynamicOutput, - }, extraNodeOptions || {}); - - const rootNodeOptions = Object.assign({}, nodeOptions, { - isRootKernel: true, - name: 'kernel', - argumentNames, - argumentTypes, - argumentSizes, - argumentBitRatios, - leadingReturnStatement, - followingReturnStatement, - }); - - if (typeof source === 'object' && source.functionNodes) { - return new FunctionBuilder().fromJSON(source.functionNodes, FunctionNode); - } - - const rootNode = new FunctionNode(source, rootNodeOptions); - - let functionNodes = null; - if (functions) { - functionNodes = functions.map((fn) => new FunctionNode(fn.source, { - returnType: fn.returnType, - argumentTypes: fn.argumentTypes, - output, - plugins, - constants, - constantTypes, - constantBitRatios, - optimizeFloatMemory, - precision, - lookupReturnType, - lookupFunctionArgumentTypes, - lookupFunctionArgumentName, - lookupFunctionArgumentBitRatio, - needsArgumentType, - assignArgumentType, - triggerImplyArgumentType, - triggerImplyArgumentBitRatio, - onFunctionCall, - onNestedFunction, - })); - } - - let subKernelNodes = null; - if (subKernels) { - subKernelNodes = subKernels.map((subKernel) => { - const { name, source } = subKernel; - return new FunctionNode(source, Object.assign({}, nodeOptions, { - name, - isSubKernel: true, - isRootKernel: false, - })); - }); - } - - const functionBuilder = new FunctionBuilder({ - kernel, - rootNode, - functionNodes, - nativeFunctions, - subKernelNodes - }); - - return functionBuilder; - } - - constructor(settings) { - settings = settings || {}; - this.kernel = settings.kernel; - this.rootNode = settings.rootNode; - this.functionNodes = settings.functionNodes || []; - this.subKernelNodes = settings.subKernelNodes || []; - this.nativeFunctions = settings.nativeFunctions || []; - this.functionMap = {}; - this.nativeFunctionNames = []; - this.lookupChain = []; - this.functionNodeDependencies = {}; - this.functionCalls = {}; - - if (this.rootNode) { - this.functionMap['kernel'] = this.rootNode; - } - - if (this.functionNodes) { - for (let i = 0; i < this.functionNodes.length; i++) { - this.functionMap[this.functionNodes[i].name] = this.functionNodes[i]; - } - } - - if (this.subKernelNodes) { - for (let i = 0; i < this.subKernelNodes.length; i++) { - this.functionMap[this.subKernelNodes[i].name] = this.subKernelNodes[i]; - } - } - - if (this.nativeFunctions) { - for (let i = 0; i < this.nativeFunctions.length; i++) { - const nativeFunction = this.nativeFunctions[i]; - this.nativeFunctionNames.push(nativeFunction.name); - } - } - } - - addFunctionNode(functionNode) { - if (!functionNode.name) throw new Error('functionNode.name needs set'); - this.functionMap[functionNode.name] = functionNode; - if (functionNode.isRootKernel) { - this.rootNode = functionNode; - } - } - - traceFunctionCalls(functionName, retList) { - functionName = functionName || 'kernel'; - retList = retList || []; - - if (this.nativeFunctionNames.indexOf(functionName) > -1) { - const nativeFunctionIndex = retList.indexOf(functionName); - if (nativeFunctionIndex === -1) { - retList.push(functionName); - } else { - const dependantNativeFunctionName = retList.splice(nativeFunctionIndex, 1)[0]; - retList.push(dependantNativeFunctionName); - } - return retList; - } - - const functionNode = this.functionMap[functionName]; - if (functionNode) { - const functionIndex = retList.indexOf(functionName); - if (functionIndex === -1) { - retList.push(functionName); - functionNode.toString(); - for (let i = 0; i < functionNode.calledFunctions.length; ++i) { - this.traceFunctionCalls(functionNode.calledFunctions[i], retList); - } - } else { - const dependantFunctionName = retList.splice(functionIndex, 1)[0]; - retList.push(dependantFunctionName); - } - } - - return retList; - } - - getPrototypeString(functionName) { - return this.getPrototypes(functionName).join('\n'); - } - - getPrototypes(functionName) { - if (this.rootNode) { - this.rootNode.toString(); - } - if (functionName) { - return this.getPrototypesFromFunctionNames(this.traceFunctionCalls(functionName, []).reverse()); - } - return this.getPrototypesFromFunctionNames(Object.keys(this.functionMap)); - } - - getStringFromFunctionNames(functionList) { - const ret = []; - for (let i = 0; i < functionList.length; ++i) { - const node = this.functionMap[functionList[i]]; - if (node) { - ret.push(this.functionMap[functionList[i]].toString()); - } - } - return ret.join('\n'); - } - - getPrototypesFromFunctionNames(functionList) { - const ret = []; - for (let i = 0; i < functionList.length; ++i) { - const functionName = functionList[i]; - const functionIndex = this.nativeFunctionNames.indexOf(functionName); - if (functionIndex > -1) { - ret.push(this.nativeFunctions[functionIndex].source); - continue; - } - const node = this.functionMap[functionName]; - if (node) { - ret.push(node.toString()); - } - } - return ret; - } - - toJSON() { - return this.traceFunctionCalls(this.rootNode.name).reverse().map(name => { - const nativeIndex = this.nativeFunctions.indexOf(name); - if (nativeIndex > -1) { - return { - name, - source: this.nativeFunctions[nativeIndex].source - }; - } else if (this.functionMap[name]) { - return this.functionMap[name].toJSON(); - } else { - throw new Error(`function ${ name } not found`); - } - }); - } - - fromJSON(jsonFunctionNodes, FunctionNode) { - this.functionMap = {}; - for (let i = 0; i < jsonFunctionNodes.length; i++) { - const jsonFunctionNode = jsonFunctionNodes[i]; - this.functionMap[jsonFunctionNode.settings.name] = new FunctionNode(jsonFunctionNode.ast, jsonFunctionNode.settings); - } - return this; - } - - getString(functionName) { - if (functionName) { - return this.getStringFromFunctionNames(this.traceFunctionCalls(functionName).reverse()); - } - return this.getStringFromFunctionNames(Object.keys(this.functionMap)); - } - - lookupReturnType(functionName, ast, requestingNode) { - if (ast.type !== 'CallExpression') { - throw new Error(`expected ast type of "CallExpression", but is ${ ast.type }`); - } - if (this._isNativeFunction(functionName)) { - return this._lookupNativeFunctionReturnType(functionName); - } else if (this._isFunction(functionName)) { - const node = this._getFunction(functionName); - if (node.returnType) { - return node.returnType; - } else { - for (let i = 0; i < this.lookupChain.length; i++) { - if (this.lookupChain[i].ast === ast) { - if (node.argumentTypes.length === 0 && ast.arguments.length > 0) { - const args = ast.arguments; - for (let j = 0; j < args.length; j++) { - this.lookupChain.push({ - name: requestingNode.name, - ast: args[i], - requestingNode - }); - node.argumentTypes[j] = requestingNode.getType(args[j]); - this.lookupChain.pop(); - } - return node.returnType = node.getType(node.getJsAST()); - } - - throw new Error('circlical logic detected!'); - } - } - this.lookupChain.push({ - name: requestingNode.name, - ast, - requestingNode - }); - const type = node.getType(node.getJsAST()); - this.lookupChain.pop(); - return node.returnType = type; - } - } - - return null; - } - - _getFunction(functionName) { - if (!this._isFunction(functionName)) { - new Error(`Function ${functionName} not found`); - } - return this.functionMap[functionName]; - } - - _isFunction(functionName) { - return Boolean(this.functionMap[functionName]); - } - - _getNativeFunction(functionName) { - for (let i = 0; i < this.nativeFunctions.length; i++) { - if (this.nativeFunctions[i].name === functionName) return this.nativeFunctions[i]; - } - return null; - } - - _isNativeFunction(functionName) { - return Boolean(this._getNativeFunction(functionName)); - } - - _lookupNativeFunctionReturnType(functionName) { - let nativeFunction = this._getNativeFunction(functionName); - if (nativeFunction) { - return nativeFunction.returnType; - } - throw new Error(`Native function ${ functionName } not found`); - } - - lookupFunctionArgumentTypes(functionName) { - if (this._isNativeFunction(functionName)) { - return this._getNativeFunction(functionName).argumentTypes; - } else if (this._isFunction(functionName)) { - return this._getFunction(functionName).argumentTypes; - } - return null; - } - - lookupFunctionArgumentName(functionName, argumentIndex) { - return this._getFunction(functionName).argumentNames[argumentIndex]; - } - - lookupFunctionArgumentBitRatio(functionName, argumentName) { - if (!this._isFunction(functionName)) { - throw new Error('function not found'); - } - if (this.rootNode.name === functionName) { - const i = this.rootNode.argumentNames.indexOf(argumentName); - if (i !== -1) { - return this.rootNode.argumentBitRatios[i]; - } - } - const node = this._getFunction(functionName); - const i = node.argumentNames.indexOf(argumentName); - if (i === -1) { - throw new Error('argument not found'); - } - const bitRatio = node.argumentBitRatios[i]; - if (typeof bitRatio !== 'number') { - throw new Error('argument bit ratio not found'); - } - return bitRatio; - } - - needsArgumentType(functionName, i) { - if (!this._isFunction(functionName)) return false; - const fnNode = this._getFunction(functionName); - return !fnNode.argumentTypes[i]; - } - - assignArgumentType(functionName, i, argumentType, requestingNode) { - if (!this._isFunction(functionName)) return; - const fnNode = this._getFunction(functionName); - if (!fnNode.argumentTypes[i]) { - fnNode.argumentTypes[i] = argumentType; - } - } - - assignArgumentBitRatio(functionName, argumentName, calleeFunctionName, argumentIndex) { - const node = this._getFunction(functionName); - if (this._isNativeFunction(calleeFunctionName)) return null; - const calleeNode = this._getFunction(calleeFunctionName); - const i = node.argumentNames.indexOf(argumentName); - if (i === -1) { - throw new Error(`Argument ${argumentName} not found in arguments from function ${functionName}`); - } - const bitRatio = node.argumentBitRatios[i]; - if (typeof bitRatio !== 'number') { - throw new Error(`Bit ratio for argument ${argumentName} not found in function ${functionName}`); - } - if (!calleeNode.argumentBitRatios) { - calleeNode.argumentBitRatios = new Array(calleeNode.argumentNames.length); - } - const calleeBitRatio = calleeNode.argumentBitRatios[i]; - if (typeof calleeBitRatio === 'number') { - if (calleeBitRatio !== bitRatio) { - throw new Error(`Incompatible bit ratio found at function ${functionName} at argument ${argumentName}`); - } - return calleeBitRatio; - } - calleeNode.argumentBitRatios[i] = bitRatio; - return bitRatio; - } - - trackFunctionCall(functionName, calleeFunctionName, args) { - if (!this.functionNodeDependencies[functionName]) { - this.functionNodeDependencies[functionName] = new Set(); - this.functionCalls[functionName] = []; - } - this.functionNodeDependencies[functionName].add(calleeFunctionName); - this.functionCalls[functionName].push(args); - } - - getKernelResultType() { - return this.rootNode.returnType || this.rootNode.getType(this.rootNode.ast); - } - - getSubKernelResultType(index) { - const subKernelNode = this.subKernelNodes[index]; - let called = false; - for (let functionCallIndex = 0; functionCallIndex < this.rootNode.functionCalls.length; functionCallIndex++) { - const functionCall = this.rootNode.functionCalls[functionCallIndex]; - if (functionCall.ast.callee.name === subKernelNode.name) { - called = true; - } - } - if (!called) { - throw new Error(`SubKernel ${ subKernelNode.name } never called by kernel`); - } - return subKernelNode.returnType || subKernelNode.getType(subKernelNode.getJsAST()); - } - - getReturnTypes() { - const result = { - [this.rootNode.name]: this.rootNode.getType(this.rootNode.ast), - }; - const list = this.traceFunctionCalls(this.rootNode.name); - for (let i = 0; i < list.length; i++) { - const functionName = list[i]; - const functionNode = this.functionMap[functionName]; - result[functionName] = functionNode.getType(functionNode.ast); - } - return result; - } -} - -module.exports = { - FunctionBuilder -}; -},{}],10:[function(require,module,exports){ -const acorn = require('acorn'); -const { utils } = require('../utils'); -const { FunctionTracer } = require('./function-tracer'); - -class FunctionNode { - constructor(source, settings) { - if (!source && !settings.ast) { - throw new Error('source parameter is missing'); - } - settings = settings || {}; - this.source = source; - this.ast = null; - this.name = typeof source === 'string' ? settings.isRootKernel ? - 'kernel' : - (settings.name || utils.getFunctionNameFromString(source)) : null; - this.calledFunctions = []; - this.constants = {}; - this.constantTypes = {}; - this.constantBitRatios = {}; - this.isRootKernel = false; - this.isSubKernel = false; - this.debug = null; - this.functions = null; - this.identifiers = null; - this.contexts = null; - this.functionCalls = null; - this.states = []; - this.needsArgumentType = null; - this.assignArgumentType = null; - this.lookupReturnType = null; - this.lookupFunctionArgumentTypes = null; - this.lookupFunctionArgumentBitRatio = null; - this.triggerImplyArgumentType = null; - this.triggerImplyArgumentBitRatio = null; - this.onNestedFunction = null; - this.onFunctionCall = null; - this.optimizeFloatMemory = null; - this.precision = null; - this.loopMaxIterations = null; - this.argumentNames = (typeof this.source === 'string' ? utils.getArgumentNamesFromString(this.source) : null); - this.argumentTypes = []; - this.argumentSizes = []; - this.argumentBitRatios = null; - this.returnType = null; - this.output = []; - this.plugins = null; - this.leadingReturnStatement = null; - this.followingReturnStatement = null; - this.dynamicOutput = null; - this.dynamicArguments = null; - this.strictTypingChecking = false; - this.fixIntegerDivisionAccuracy = null; - - if (settings) { - for (const p in settings) { - if (!settings.hasOwnProperty(p)) continue; - if (!this.hasOwnProperty(p)) continue; - this[p] = settings[p]; - } - } - - this.literalTypes = {}; - - this.validate(); - this._string = null; - this._internalVariableNames = {}; - } - - validate() { - if (typeof this.source !== 'string' && !this.ast) { - throw new Error('this.source not a string'); - } - - if (!this.ast && !utils.isFunctionString(this.source)) { - throw new Error('this.source not a function string'); - } - - if (!this.name) { - throw new Error('this.name could not be set'); - } - - if (this.argumentTypes.length > 0 && this.argumentTypes.length !== this.argumentNames.length) { - throw new Error(`argumentTypes count of ${ this.argumentTypes.length } exceeds ${ this.argumentNames.length }`); - } - - if (this.output.length < 1) { - throw new Error('this.output is not big enough'); - } - } - - isIdentifierConstant(name) { - if (!this.constants) return false; - return this.constants.hasOwnProperty(name); - } - - isInput(argumentName) { - return this.argumentTypes[this.argumentNames.indexOf(argumentName)] === 'Input'; - } - - pushState(state) { - this.states.push(state); - } - - popState(state) { - if (this.state !== state) { - throw new Error(`Cannot popState ${ state } when in ${ this.state }`); - } - this.states.pop(); - } - - isState(state) { - return this.state === state; - } - - get state() { - return this.states[this.states.length - 1]; - } - - astMemberExpressionUnroll(ast) { - if (ast.type === 'Identifier') { - return ast.name; - } else if (ast.type === 'ThisExpression') { - return 'this'; - } - - if (ast.type === 'MemberExpression') { - if (ast.object && ast.property) { - if (ast.object.hasOwnProperty('name') && ast.object.name !== 'Math') { - return this.astMemberExpressionUnroll(ast.property); - } - - return ( - this.astMemberExpressionUnroll(ast.object) + - '.' + - this.astMemberExpressionUnroll(ast.property) - ); - } - } - - if (ast.hasOwnProperty('expressions')) { - const firstExpression = ast.expressions[0]; - if (firstExpression.type === 'Literal' && firstExpression.value === 0 && ast.expressions.length === 2) { - return this.astMemberExpressionUnroll(ast.expressions[1]); - } - } - - throw this.astErrorOutput('Unknown astMemberExpressionUnroll', ast); - } - - getJsAST(inParser) { - if (this.ast) { - return this.ast; - } - if (typeof this.source === 'object') { - this.traceFunctionAST(this.source); - return this.ast = this.source; - } - - inParser = inParser || acorn; - if (inParser === null) { - throw new Error('Missing JS to AST parser'); - } - - const ast = Object.freeze(inParser.parse(`const parser_${ this.name } = ${ this.source };`, { - locations: true - })); - const functionAST = ast.body[0].declarations[0].init; - this.traceFunctionAST(functionAST); - - if (!ast) { - throw new Error('Failed to parse JS code'); - } - - return this.ast = functionAST; - } - - traceFunctionAST(ast) { - const { contexts, declarations, functions, identifiers, functionCalls } = new FunctionTracer(ast); - this.contexts = contexts; - this.identifiers = identifiers; - this.functionCalls = functionCalls; - this.functions = functions; - for (let i = 0; i < declarations.length; i++) { - const declaration = declarations[i]; - const { ast, inForLoopInit, inForLoopTest } = declaration; - const { init } = ast; - const dependencies = this.getDependencies(init); - let valueType = null; - - if (inForLoopInit && inForLoopTest) { - valueType = 'Integer'; - } else { - if (init) { - const realType = this.getType(init); - switch (realType) { - case 'Integer': - case 'Float': - case 'Number': - if (init.type === 'MemberExpression') { - valueType = realType; - } else { - valueType = 'Number'; - } - break; - case 'LiteralInteger': - valueType = 'Number'; - break; - default: - valueType = realType; - } - } - } - declaration.valueType = valueType; - declaration.dependencies = dependencies; - declaration.isSafe = this.isSafeDependencies(dependencies); - } - - for (let i = 0; i < functions.length; i++) { - this.onNestedFunction(functions[i], this.source); - } - } - - getDeclaration(ast) { - for (let i = 0; i < this.identifiers.length; i++) { - const identifier = this.identifiers[i]; - if (ast === identifier.ast) { - return identifier.declaration; - } - } - return null; - } - - getVariableType(ast) { - if (ast.type !== 'Identifier') { - throw new Error(`ast of ${ast.type} not "Identifier"`); - } - let type = null; - const argumentIndex = this.argumentNames.indexOf(ast.name); - if (argumentIndex === -1) { - const declaration = this.getDeclaration(ast); - if (declaration) { - return declaration.valueType; - } - } else { - const argumentType = this.argumentTypes[argumentIndex]; - if (argumentType) { - type = argumentType; - } - } - if (!type && this.strictTypingChecking) { - throw new Error(`Declaration of ${name} not found`); - } - return type; - } - - getLookupType(type) { - if (!typeLookupMap.hasOwnProperty(type)) { - throw new Error(`unknown typeLookupMap ${ type }`); - } - return typeLookupMap[type]; - } - - getConstantType(constantName) { - if (this.constantTypes[constantName]) { - const type = this.constantTypes[constantName]; - if (type === 'Float') { - return 'Number'; - } else { - return type; - } - } - throw new Error(`Type for constant "${ constantName }" not declared`); - } - - toString() { - if (this._string) return this._string; - return this._string = this.astGeneric(this.getJsAST(), []).join('').trim(); - } - - toJSON() { - const settings = { - source: this.source, - name: this.name, - constants: this.constants, - constantTypes: this.constantTypes, - isRootKernel: this.isRootKernel, - isSubKernel: this.isSubKernel, - debug: this.debug, - output: this.output, - loopMaxIterations: this.loopMaxIterations, - argumentNames: this.argumentNames, - argumentTypes: this.argumentTypes, - argumentSizes: this.argumentSizes, - returnType: this.returnType, - leadingReturnStatement: this.leadingReturnStatement, - followingReturnStatement: this.followingReturnStatement, - }; - - return { - ast: this.ast, - settings - }; - } - - getType(ast) { - if (Array.isArray(ast)) { - return this.getType(ast[ast.length - 1]); - } - switch (ast.type) { - case 'BlockStatement': - return this.getType(ast.body); - case 'ArrayExpression': - const childType = this.getType(ast.elements[0]); - switch (childType) { - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - return `Matrix(${ast.elements.length})`; - } - return `Array(${ ast.elements.length })`; - case 'Literal': - const literalKey = this.astKey(ast); - if (this.literalTypes[literalKey]) { - return this.literalTypes[literalKey]; - } - if (Number.isInteger(ast.value)) { - return 'LiteralInteger'; - } else if (ast.value === true || ast.value === false) { - return 'Boolean'; - } else { - return 'Number'; - } - case 'AssignmentExpression': - return this.getType(ast.left); - case 'CallExpression': - if (this.isAstMathFunction(ast)) { - return 'Number'; - } - if (!ast.callee || !ast.callee.name) { - if (ast.callee.type === 'SequenceExpression' && ast.callee.expressions[ast.callee.expressions.length - 1].property.name) { - const functionName = ast.callee.expressions[ast.callee.expressions.length - 1].property.name; - this.inferArgumentTypesIfNeeded(functionName, ast.arguments); - return this.lookupReturnType(functionName, ast, this); - } - if (this.getVariableSignature(ast.callee, true) === 'this.color') { - return null; - } - if (ast.callee.type === 'MemberExpression' && ast.callee.object && ast.callee.property && ast.callee.property.name && ast.arguments) { - const functionName = ast.callee.property.name; - this.inferArgumentTypesIfNeeded(functionName, ast.arguments); - return this.lookupReturnType(functionName, ast, this); - } - throw this.astErrorOutput('Unknown call expression', ast); - } - if (ast.callee && ast.callee.name) { - const functionName = ast.callee.name; - this.inferArgumentTypesIfNeeded(functionName, ast.arguments); - return this.lookupReturnType(functionName, ast, this); - } - throw this.astErrorOutput(`Unhandled getType Type "${ ast.type }"`, ast); - case 'LogicalExpression': - return 'Boolean'; - case 'BinaryExpression': - switch (ast.operator) { - case '%': - case '/': - if (this.fixIntegerDivisionAccuracy) { - return 'Number'; - } else { - break; - } - case '>': - case '<': - return 'Boolean'; - case '&': - case '|': - case '^': - case '<<': - case '>>': - case '>>>': - return 'Integer'; - } - const type = this.getType(ast.left); - if (this.isState('skip-literal-correction')) return type; - if (type === 'LiteralInteger') { - const rightType = this.getType(ast.right); - if (rightType === 'LiteralInteger') { - if (ast.left.value % 1 === 0) { - return 'Integer'; - } else { - return 'Float'; - } - } - return rightType; - } - return typeLookupMap[type] || type; - case 'UpdateExpression': - return this.getType(ast.argument); - case 'UnaryExpression': - if (ast.operator === '~') { - return 'Integer'; - } - return this.getType(ast.argument); - case 'VariableDeclaration': { - const declarations = ast.declarations; - let lastType; - for (let i = 0; i < declarations.length; i++) { - const declaration = declarations[i]; - lastType = this.getType(declaration); - } - if (!lastType) { - throw this.astErrorOutput(`Unable to find type for declaration`, ast); - } - return lastType; - } - case 'VariableDeclarator': - const declaration = this.getDeclaration(ast.id); - if (!declaration) { - throw this.astErrorOutput(`Unable to find declarator`, ast); - } - - if (!declaration.valueType) { - throw this.astErrorOutput(`Unable to find declarator valueType`, ast); - } - - return declaration.valueType; - case 'Identifier': - if (ast.name === 'Infinity') { - return 'Number'; - } - if (this.isAstVariable(ast)) { - const signature = this.getVariableSignature(ast); - if (signature === 'value') { - return this.getCheckVariableType(ast); - } - } - const origin = this.findIdentifierOrigin(ast); - if (origin && origin.init) { - return this.getType(origin.init); - } - return null; - case 'ReturnStatement': - return this.getType(ast.argument); - case 'MemberExpression': - if (this.isAstMathFunction(ast)) { - switch (ast.property.name) { - case 'ceil': - return 'Integer'; - case 'floor': - return 'Integer'; - case 'round': - return 'Integer'; - } - return 'Number'; - } - if (this.isAstVariable(ast)) { - const variableSignature = this.getVariableSignature(ast); - switch (variableSignature) { - case 'value[]': - return this.getLookupType(this.getCheckVariableType(ast.object)); - case 'value[][]': - return this.getLookupType(this.getCheckVariableType(ast.object.object)); - case 'value[][][]': - return this.getLookupType(this.getCheckVariableType(ast.object.object.object)); - case 'value[][][][]': - return this.getLookupType(this.getCheckVariableType(ast.object.object.object.object)); - case 'value.thread.value': - case 'this.thread.value': - return 'Integer'; - case 'this.output.value': - return this.dynamicOutput ? 'Integer' : 'LiteralInteger'; - case 'this.constants.value': - return this.getConstantType(ast.property.name); - case 'this.constants.value[]': - return this.getLookupType(this.getConstantType(ast.object.property.name)); - case 'this.constants.value[][]': - return this.getLookupType(this.getConstantType(ast.object.object.property.name)); - case 'this.constants.value[][][]': - return this.getLookupType(this.getConstantType(ast.object.object.object.property.name)); - case 'this.constants.value[][][][]': - return this.getLookupType(this.getConstantType(ast.object.object.object.object.property.name)); - case 'fn()[]': - case 'fn()[][]': - case 'fn()[][][]': - return this.getLookupType(this.getType(ast.object)); - case 'value.value': - if (this.isAstMathVariable(ast)) { - return 'Number'; - } - switch (ast.property.name) { - case 'r': - case 'g': - case 'b': - case 'a': - return this.getLookupType(this.getCheckVariableType(ast.object)); - } - case '[][]': - return 'Number'; - } - throw this.astErrorOutput('Unhandled getType MemberExpression', ast); - } - throw this.astErrorOutput('Unhandled getType MemberExpression', ast); - case 'ConditionalExpression': - return this.getType(ast.consequent); - case 'FunctionDeclaration': - case 'FunctionExpression': - const lastReturn = this.findLastReturn(ast.body); - if (lastReturn) { - return this.getType(lastReturn); - } - return null; - case 'IfStatement': - return this.getType(ast.consequent); - case 'SequenceExpression': - return this.getType(ast.expressions[ast.expressions.length - 1]); - default: - throw this.astErrorOutput(`Unhandled getType Type "${ ast.type }"`, ast); - } - } - - getCheckVariableType(ast) { - const type = this.getVariableType(ast); - if (!type) { - throw this.astErrorOutput(`${ast.type} is not defined`, ast); - } - return type; - } - - inferArgumentTypesIfNeeded(functionName, args) { - for (let i = 0; i < args.length; i++) { - if (!this.needsArgumentType(functionName, i)) continue; - const type = this.getType(args[i]); - if (!type) { - throw this.astErrorOutput(`Unable to infer argument ${i}`, args[i]); - } - this.assignArgumentType(functionName, i, type); - } - } - - isAstMathVariable(ast) { - const mathProperties = [ - 'E', - 'PI', - 'SQRT2', - 'SQRT1_2', - 'LN2', - 'LN10', - 'LOG2E', - 'LOG10E', - ]; - return ast.type === 'MemberExpression' && - ast.object && ast.object.type === 'Identifier' && - ast.object.name === 'Math' && - ast.property && - ast.property.type === 'Identifier' && - mathProperties.indexOf(ast.property.name) > -1; - } - - isAstMathFunction(ast) { - const mathFunctions = [ - 'abs', - 'acos', - 'acosh', - 'asin', - 'asinh', - 'atan', - 'atan2', - 'atanh', - 'cbrt', - 'ceil', - 'clz32', - 'cos', - 'cosh', - 'expm1', - 'exp', - 'floor', - 'fround', - 'imul', - 'log', - 'log2', - 'log10', - 'log1p', - 'max', - 'min', - 'pow', - 'random', - 'round', - 'sign', - 'sin', - 'sinh', - 'sqrt', - 'tan', - 'tanh', - 'trunc', - ]; - return ast.type === 'CallExpression' && - ast.callee && - ast.callee.type === 'MemberExpression' && - ast.callee.object && - ast.callee.object.type === 'Identifier' && - ast.callee.object.name === 'Math' && - ast.callee.property && - ast.callee.property.type === 'Identifier' && - mathFunctions.indexOf(ast.callee.property.name) > -1; - } - - isAstVariable(ast) { - return ast.type === 'Identifier' || ast.type === 'MemberExpression'; - } - - isSafe(ast) { - return this.isSafeDependencies(this.getDependencies(ast)); - } - - isSafeDependencies(dependencies) { - return dependencies && dependencies.every ? dependencies.every(dependency => dependency.isSafe) : true; - } - - getDependencies(ast, dependencies, isNotSafe) { - if (!dependencies) { - dependencies = []; - } - if (!ast) return null; - if (Array.isArray(ast)) { - for (let i = 0; i < ast.length; i++) { - this.getDependencies(ast[i], dependencies, isNotSafe); - } - return dependencies; - } - switch (ast.type) { - case 'AssignmentExpression': - this.getDependencies(ast.left, dependencies, isNotSafe); - this.getDependencies(ast.right, dependencies, isNotSafe); - return dependencies; - case 'ConditionalExpression': - this.getDependencies(ast.test, dependencies, isNotSafe); - this.getDependencies(ast.alternate, dependencies, isNotSafe); - this.getDependencies(ast.consequent, dependencies, isNotSafe); - return dependencies; - case 'Literal': - dependencies.push({ - origin: 'literal', - value: ast.value, - isSafe: isNotSafe === true ? false : ast.value > -Infinity && ast.value < Infinity && !isNaN(ast.value) - }); - break; - case 'VariableDeclarator': - return this.getDependencies(ast.init, dependencies, isNotSafe); - case 'Identifier': - const declaration = this.getDeclaration(ast); - if (declaration) { - dependencies.push({ - name: ast.name, - origin: 'declaration', - isSafe: isNotSafe ? false : this.isSafeDependencies(declaration.dependencies), - }); - } else if (this.argumentNames.indexOf(ast.name) > -1) { - dependencies.push({ - name: ast.name, - origin: 'argument', - isSafe: false, - }); - } else if (this.strictTypingChecking) { - throw new Error(`Cannot find identifier origin "${ast.name}"`); - } - break; - case 'FunctionDeclaration': - return this.getDependencies(ast.body.body[ast.body.body.length - 1], dependencies, isNotSafe); - case 'ReturnStatement': - return this.getDependencies(ast.argument, dependencies); - case 'BinaryExpression': - case 'LogicalExpression': - isNotSafe = (ast.operator === '/' || ast.operator === '*'); - this.getDependencies(ast.left, dependencies, isNotSafe); - this.getDependencies(ast.right, dependencies, isNotSafe); - return dependencies; - case 'UnaryExpression': - case 'UpdateExpression': - return this.getDependencies(ast.argument, dependencies, isNotSafe); - case 'VariableDeclaration': - return this.getDependencies(ast.declarations, dependencies, isNotSafe); - case 'ArrayExpression': - dependencies.push({ - origin: 'declaration', - isSafe: true, - }); - return dependencies; - case 'CallExpression': - dependencies.push({ - origin: 'function', - isSafe: true, - }); - return dependencies; - case 'MemberExpression': - const details = this.getMemberExpressionDetails(ast); - switch (details.signature) { - case 'value[]': - this.getDependencies(ast.object, dependencies, isNotSafe); - break; - case 'value[][]': - this.getDependencies(ast.object.object, dependencies, isNotSafe); - break; - case 'value[][][]': - this.getDependencies(ast.object.object.object, dependencies, isNotSafe); - break; - case 'this.output.value': - if (this.dynamicOutput) { - dependencies.push({ - name: details.name, - origin: 'output', - isSafe: false, - }); - } - break; - } - if (details) { - if (details.property) { - this.getDependencies(details.property, dependencies, isNotSafe); - } - if (details.xProperty) { - this.getDependencies(details.xProperty, dependencies, isNotSafe); - } - if (details.yProperty) { - this.getDependencies(details.yProperty, dependencies, isNotSafe); - } - if (details.zProperty) { - this.getDependencies(details.zProperty, dependencies, isNotSafe); - } - return dependencies; - } - case 'SequenceExpression': - return this.getDependencies(ast.expressions, dependencies, isNotSafe); - default: - throw this.astErrorOutput(`Unhandled type ${ ast.type } in getDependencies`, ast); - } - return dependencies; - } - - getVariableSignature(ast, returnRawValue) { - if (!this.isAstVariable(ast)) { - throw new Error(`ast of type "${ ast.type }" is not a variable signature`); - } - if (ast.type === 'Identifier') { - return 'value'; - } - const signature = []; - while (true) { - if (!ast) break; - if (ast.computed) { - signature.push('[]'); - } else if (ast.type === 'ThisExpression') { - signature.unshift('this'); - } else if (ast.property && ast.property.name) { - if ( - ast.property.name === 'x' || - ast.property.name === 'y' || - ast.property.name === 'z' - ) { - signature.unshift(returnRawValue ? '.' + ast.property.name : '.value'); - } else if ( - ast.property.name === 'constants' || - ast.property.name === 'thread' || - ast.property.name === 'output' - ) { - signature.unshift('.' + ast.property.name); - } else { - signature.unshift(returnRawValue ? '.' + ast.property.name : '.value'); - } - } else if (ast.name) { - signature.unshift(returnRawValue ? ast.name : 'value'); - } else if (ast.callee && ast.callee.name) { - signature.unshift(returnRawValue ? ast.callee.name + '()' : 'fn()'); - } else if (ast.elements) { - signature.unshift('[]'); - } else { - signature.unshift('unknown'); - } - ast = ast.object; - } - - const signatureString = signature.join(''); - if (returnRawValue) { - return signatureString; - } - - const allowedExpressions = [ - 'value', - 'value[]', - 'value[][]', - 'value[][][]', - 'value[][][][]', - 'value.value', - 'value.thread.value', - 'this.thread.value', - 'this.output.value', - 'this.constants.value', - 'this.constants.value[]', - 'this.constants.value[][]', - 'this.constants.value[][][]', - 'this.constants.value[][][][]', - 'fn()[]', - 'fn()[][]', - 'fn()[][][]', - '[][]', - ]; - if (allowedExpressions.indexOf(signatureString) > -1) { - return signatureString; - } - return null; - } - - build() { - return this.toString().length > 0; - } - - astGeneric(ast, retArr) { - if (ast === null) { - throw this.astErrorOutput('NULL ast', ast); - } else { - if (Array.isArray(ast)) { - for (let i = 0; i < ast.length; i++) { - this.astGeneric(ast[i], retArr); - } - return retArr; - } - - switch (ast.type) { - case 'FunctionDeclaration': - return this.astFunctionDeclaration(ast, retArr); - case 'FunctionExpression': - return this.astFunctionExpression(ast, retArr); - case 'ReturnStatement': - return this.astReturnStatement(ast, retArr); - case 'Literal': - return this.astLiteral(ast, retArr); - case 'BinaryExpression': - return this.astBinaryExpression(ast, retArr); - case 'Identifier': - return this.astIdentifierExpression(ast, retArr); - case 'AssignmentExpression': - return this.astAssignmentExpression(ast, retArr); - case 'ExpressionStatement': - return this.astExpressionStatement(ast, retArr); - case 'EmptyStatement': - return this.astEmptyStatement(ast, retArr); - case 'BlockStatement': - return this.astBlockStatement(ast, retArr); - case 'IfStatement': - return this.astIfStatement(ast, retArr); - case 'SwitchStatement': - return this.astSwitchStatement(ast, retArr); - case 'BreakStatement': - return this.astBreakStatement(ast, retArr); - case 'ContinueStatement': - return this.astContinueStatement(ast, retArr); - case 'ForStatement': - return this.astForStatement(ast, retArr); - case 'WhileStatement': - return this.astWhileStatement(ast, retArr); - case 'DoWhileStatement': - return this.astDoWhileStatement(ast, retArr); - case 'VariableDeclaration': - return this.astVariableDeclaration(ast, retArr); - case 'VariableDeclarator': - return this.astVariableDeclarator(ast, retArr); - case 'ThisExpression': - return this.astThisExpression(ast, retArr); - case 'SequenceExpression': - return this.astSequenceExpression(ast, retArr); - case 'UnaryExpression': - return this.astUnaryExpression(ast, retArr); - case 'UpdateExpression': - return this.astUpdateExpression(ast, retArr); - case 'LogicalExpression': - return this.astLogicalExpression(ast, retArr); - case 'MemberExpression': - return this.astMemberExpression(ast, retArr); - case 'CallExpression': - return this.astCallExpression(ast, retArr); - case 'ArrayExpression': - return this.astArrayExpression(ast, retArr); - case 'DebuggerStatement': - return this.astDebuggerStatement(ast, retArr); - case 'ConditionalExpression': - return this.astConditionalExpression(ast, retArr); - } - - throw this.astErrorOutput('Unknown ast type : ' + ast.type, ast); - } - } - astErrorOutput(error, ast) { - if (typeof this.source !== 'string') { - return new Error(error); - } - - const debugString = utils.getAstString(this.source, ast); - const leadingSource = this.source.substr(ast.start); - const splitLines = leadingSource.split(/\n/); - const lineBefore = splitLines.length > 0 ? splitLines[splitLines.length - 1] : 0; - return new Error(`${error} on line ${ splitLines.length }, position ${ lineBefore.length }:\n ${ debugString }`); - } - - astDebuggerStatement(arrNode, retArr) { - return retArr; - } - - astConditionalExpression(ast, retArr) { - if (ast.type !== 'ConditionalExpression') { - throw this.astErrorOutput('Not a conditional expression', ast); - } - retArr.push('('); - this.astGeneric(ast.test, retArr); - retArr.push('?'); - this.astGeneric(ast.consequent, retArr); - retArr.push(':'); - this.astGeneric(ast.alternate, retArr); - retArr.push(')'); - return retArr; - } - - astFunction(ast, retArr) { - throw new Error(`"astFunction" not defined on ${ this.constructor.name }`); - } - - astFunctionDeclaration(ast, retArr) { - if (this.isChildFunction(ast)) { - return retArr; - } - return this.astFunction(ast, retArr); - } - astFunctionExpression(ast, retArr) { - if (this.isChildFunction(ast)) { - return retArr; - } - return this.astFunction(ast, retArr); - } - isChildFunction(ast) { - for (let i = 0; i < this.functions.length; i++) { - if (this.functions[i] === ast) { - return true; - } - } - return false; - } - astReturnStatement(ast, retArr) { - return retArr; - } - astLiteral(ast, retArr) { - this.literalTypes[this.astKey(ast)] = 'Number'; - return retArr; - } - astBinaryExpression(ast, retArr) { - return retArr; - } - astIdentifierExpression(ast, retArr) { - return retArr; - } - astAssignmentExpression(ast, retArr) { - return retArr; - } - astExpressionStatement(esNode, retArr) { - this.astGeneric(esNode.expression, retArr); - retArr.push(';'); - return retArr; - } - astEmptyStatement(eNode, retArr) { - return retArr; - } - astBlockStatement(ast, retArr) { - return retArr; - } - astIfStatement(ast, retArr) { - return retArr; - } - astSwitchStatement(ast, retArr) { - return retArr; - } - astBreakStatement(brNode, retArr) { - retArr.push('break;'); - return retArr; - } - astContinueStatement(crNode, retArr) { - retArr.push('continue;\n'); - return retArr; - } - astForStatement(ast, retArr) { - return retArr; - } - astWhileStatement(ast, retArr) { - return retArr; - } - astDoWhileStatement(ast, retArr) { - return retArr; - } - astVariableDeclarator(iVarDecNode, retArr) { - this.astGeneric(iVarDecNode.id, retArr); - if (iVarDecNode.init !== null) { - retArr.push('='); - this.astGeneric(iVarDecNode.init, retArr); - } - return retArr; - } - astThisExpression(ast, retArr) { - return retArr; - } - astSequenceExpression(sNode, retArr) { - const { expressions } = sNode; - const sequenceResult = []; - for (let i = 0; i < expressions.length; i++) { - const expression = expressions[i]; - const expressionResult = []; - this.astGeneric(expression, expressionResult); - sequenceResult.push(expressionResult.join('')); - } - if (sequenceResult.length > 1) { - retArr.push('(', sequenceResult.join(','), ')'); - } else { - retArr.push(sequenceResult[0]); - } - return retArr; - } - astUnaryExpression(uNode, retArr) { - const unaryResult = this.checkAndUpconvertBitwiseUnary(uNode, retArr); - if (unaryResult) { - return retArr; - } - - if (uNode.prefix) { - retArr.push(uNode.operator); - this.astGeneric(uNode.argument, retArr); - } else { - this.astGeneric(uNode.argument, retArr); - retArr.push(uNode.operator); - } - - return retArr; - } - - checkAndUpconvertBitwiseUnary(uNode, retArr) {} - - astUpdateExpression(uNode, retArr) { - if (uNode.prefix) { - retArr.push(uNode.operator); - this.astGeneric(uNode.argument, retArr); - } else { - this.astGeneric(uNode.argument, retArr); - retArr.push(uNode.operator); - } - - return retArr; - } - astLogicalExpression(logNode, retArr) { - retArr.push('('); - this.astGeneric(logNode.left, retArr); - retArr.push(logNode.operator); - this.astGeneric(logNode.right, retArr); - retArr.push(')'); - return retArr; - } - astMemberExpression(ast, retArr) { - return retArr; - } - astCallExpression(ast, retArr) { - return retArr; - } - astArrayExpression(ast, retArr) { - return retArr; - } - - getMemberExpressionDetails(ast) { - if (ast.type !== 'MemberExpression') { - throw this.astErrorOutput(`Expression ${ ast.type } not a MemberExpression`, ast); - } - let name = null; - let type = null; - const variableSignature = this.getVariableSignature(ast); - switch (variableSignature) { - case 'value': - return null; - case 'value.thread.value': - case 'this.thread.value': - case 'this.output.value': - return { - signature: variableSignature, - type: 'Integer', - name: ast.property.name - }; - case 'value[]': - if (typeof ast.object.name !== 'string') { - throw this.astErrorOutput('Unexpected expression', ast); - } - name = ast.object.name; - return { - name, - origin: 'user', - signature: variableSignature, - type: this.getVariableType(ast.object), - xProperty: ast.property - }; - case 'value[][]': - if (typeof ast.object.object.name !== 'string') { - throw this.astErrorOutput('Unexpected expression', ast); - } - name = ast.object.object.name; - return { - name, - origin: 'user', - signature: variableSignature, - type: this.getVariableType(ast.object.object), - yProperty: ast.object.property, - xProperty: ast.property, - }; - case 'value[][][]': - if (typeof ast.object.object.object.name !== 'string') { - throw this.astErrorOutput('Unexpected expression', ast); - } - name = ast.object.object.object.name; - return { - name, - origin: 'user', - signature: variableSignature, - type: this.getVariableType(ast.object.object.object), - zProperty: ast.object.object.property, - yProperty: ast.object.property, - xProperty: ast.property, - }; - case 'value[][][][]': - if (typeof ast.object.object.object.object.name !== 'string') { - throw this.astErrorOutput('Unexpected expression', ast); - } - name = ast.object.object.object.object.name; - return { - name, - origin: 'user', - signature: variableSignature, - type: this.getVariableType(ast.object.object.object.object), - zProperty: ast.object.object.property, - yProperty: ast.object.property, - xProperty: ast.property, - }; - case 'value.value': - if (typeof ast.property.name !== 'string') { - throw this.astErrorOutput('Unexpected expression', ast); - } - if (this.isAstMathVariable(ast)) { - name = ast.property.name; - return { - name, - origin: 'Math', - type: 'Number', - signature: variableSignature, - }; - } - switch (ast.property.name) { - case 'r': - case 'g': - case 'b': - case 'a': - name = ast.object.name; - return { - name, - property: ast.property.name, - origin: 'user', - signature: variableSignature, - type: 'Number' - }; - default: - throw this.astErrorOutput('Unexpected expression', ast); - } - case 'this.constants.value': - if (typeof ast.property.name !== 'string') { - throw this.astErrorOutput('Unexpected expression', ast); - } - name = ast.property.name; - type = this.getConstantType(name); - if (!type) { - throw this.astErrorOutput('Constant has no type', ast); - } - return { - name, - type, - origin: 'constants', - signature: variableSignature, - }; - case 'this.constants.value[]': - if (typeof ast.object.property.name !== 'string') { - throw this.astErrorOutput('Unexpected expression', ast); - } - name = ast.object.property.name; - type = this.getConstantType(name); - if (!type) { - throw this.astErrorOutput('Constant has no type', ast); - } - return { - name, - type, - origin: 'constants', - signature: variableSignature, - xProperty: ast.property, - }; - case 'this.constants.value[][]': { - if (typeof ast.object.object.property.name !== 'string') { - throw this.astErrorOutput('Unexpected expression', ast); - } - name = ast.object.object.property.name; - type = this.getConstantType(name); - if (!type) { - throw this.astErrorOutput('Constant has no type', ast); - } - return { - name, - type, - origin: 'constants', - signature: variableSignature, - yProperty: ast.object.property, - xProperty: ast.property, - }; - } - case 'this.constants.value[][][]': { - if (typeof ast.object.object.object.property.name !== 'string') { - throw this.astErrorOutput('Unexpected expression', ast); - } - name = ast.object.object.object.property.name; - type = this.getConstantType(name); - if (!type) { - throw this.astErrorOutput('Constant has no type', ast); - } - return { - name, - type, - origin: 'constants', - signature: variableSignature, - zProperty: ast.object.object.property, - yProperty: ast.object.property, - xProperty: ast.property, - }; - } - case 'fn()[]': - case 'fn()[][]': - case '[][]': - return { - signature: variableSignature, - property: ast.property, - }; - default: - throw this.astErrorOutput('Unexpected expression', ast); - } - } - - findIdentifierOrigin(astToFind) { - const stack = [this.ast]; - - while (stack.length > 0) { - const atNode = stack[0]; - if (atNode.type === 'VariableDeclarator' && atNode.id && atNode.id.name && atNode.id.name === astToFind.name) { - return atNode; - } - stack.shift(); - if (atNode.argument) { - stack.push(atNode.argument); - } else if (atNode.body) { - stack.push(atNode.body); - } else if (atNode.declarations) { - stack.push(atNode.declarations); - } else if (Array.isArray(atNode)) { - for (let i = 0; i < atNode.length; i++) { - stack.push(atNode[i]); - } - } - } - return null; - } - - findLastReturn(ast) { - const stack = [ast || this.ast]; - - while (stack.length > 0) { - const atNode = stack.pop(); - if (atNode.type === 'ReturnStatement') { - return atNode; - } - if (atNode.type === 'FunctionDeclaration') { - continue; - } - if (atNode.argument) { - stack.push(atNode.argument); - } else if (atNode.body) { - stack.push(atNode.body); - } else if (atNode.declarations) { - stack.push(atNode.declarations); - } else if (Array.isArray(atNode)) { - for (let i = 0; i < atNode.length; i++) { - stack.push(atNode[i]); - } - } else if (atNode.consequent) { - stack.push(atNode.consequent); - } else if (atNode.cases) { - stack.push(atNode.cases); - } - } - return null; - } - - getInternalVariableName(name) { - if (!this._internalVariableNames.hasOwnProperty(name)) { - this._internalVariableNames[name] = 0; - } - this._internalVariableNames[name]++; - if (this._internalVariableNames[name] === 1) { - return name; - } - return name + this._internalVariableNames[name]; - } - - astKey(ast, separator = ',') { - if (!ast.start || !ast.end) throw new Error('AST start and end needed'); - return `${ast.start}${separator}${ast.end}`; - } -} - -const typeLookupMap = { - 'Number': 'Number', - 'Float': 'Float', - 'Integer': 'Integer', - 'Array': 'Number', - 'Array(2)': 'Number', - 'Array(3)': 'Number', - 'Array(4)': 'Number', - 'Matrix(2)': 'Number', - 'Matrix(3)': 'Number', - 'Matrix(4)': 'Number', - 'Array2D': 'Number', - 'Array3D': 'Number', - 'Input': 'Number', - 'HTMLCanvas': 'Array(4)', - 'OffscreenCanvas': 'Array(4)', - 'HTMLImage': 'Array(4)', - 'ImageBitmap': 'Array(4)', - 'ImageData': 'Array(4)', - 'HTMLVideo': 'Array(4)', - 'HTMLImageArray': 'Array(4)', - 'NumberTexture': 'Number', - 'MemoryOptimizedNumberTexture': 'Number', - 'Array1D(2)': 'Array(2)', - 'Array1D(3)': 'Array(3)', - 'Array1D(4)': 'Array(4)', - 'Array2D(2)': 'Array(2)', - 'Array2D(3)': 'Array(3)', - 'Array2D(4)': 'Array(4)', - 'Array3D(2)': 'Array(2)', - 'Array3D(3)': 'Array(3)', - 'Array3D(4)': 'Array(4)', - 'ArrayTexture(1)': 'Number', - 'ArrayTexture(2)': 'Array(2)', - 'ArrayTexture(3)': 'Array(3)', - 'ArrayTexture(4)': 'Array(4)', -}; - -module.exports = { - FunctionNode -}; -},{"../utils":114,"./function-tracer":11,"acorn":1}],11:[function(require,module,exports){ -const { utils } = require('../utils'); - -function last(array) { - return array.length > 0 ? array[array.length - 1] : null; -} - -const states = { - trackIdentifiers: 'trackIdentifiers', - memberExpression: 'memberExpression', - inForLoopInit: 'inForLoopInit' -}; - -class FunctionTracer { - constructor(ast) { - this.runningContexts = []; - this.functionContexts = []; - this.contexts = []; - this.functionCalls = []; - this.declarations = []; - this.identifiers = []; - this.functions = []; - this.returnStatements = []; - this.trackedIdentifiers = null; - this.states = []; - this.newFunctionContext(); - this.scan(ast); - } - - isState(state) { - return this.states[this.states.length - 1] === state; - } - - hasState(state) { - return this.states.indexOf(state) > -1; - } - - pushState(state) { - this.states.push(state); - } - - popState(state) { - if (this.isState(state)) { - this.states.pop(); - } else { - throw new Error(`Cannot pop the non-active state "${state}"`); - } - } - - get currentFunctionContext() { - return last(this.functionContexts); - } - - get currentContext() { - return last(this.runningContexts); - } - - newFunctionContext() { - const newContext = { '@contextType': 'function' }; - this.contexts.push(newContext); - this.functionContexts.push(newContext); - } - - newContext(run) { - const newContext = Object.assign({ '@contextType': 'const/let' }, this.currentContext); - this.contexts.push(newContext); - this.runningContexts.push(newContext); - run(); - const { currentFunctionContext } = this; - for (const p in currentFunctionContext) { - if (!currentFunctionContext.hasOwnProperty(p) || newContext.hasOwnProperty(p)) continue; - newContext[p] = currentFunctionContext[p]; - } - this.runningContexts.pop(); - return newContext; - } - - useFunctionContext(run) { - const functionContext = last(this.functionContexts); - this.runningContexts.push(functionContext); - run(); - this.runningContexts.pop(); - } - - getIdentifiers(run) { - const trackedIdentifiers = this.trackedIdentifiers = []; - this.pushState(states.trackIdentifiers); - run(); - this.trackedIdentifiers = null; - this.popState(states.trackIdentifiers); - return trackedIdentifiers; - } - - getDeclaration(name) { - const { currentContext, currentFunctionContext, runningContexts } = this; - const declaration = currentContext[name] || currentFunctionContext[name] || null; - - if ( - !declaration && - currentContext === currentFunctionContext && - runningContexts.length > 0 - ) { - const previousRunningContext = runningContexts[runningContexts.length - 2]; - if (previousRunningContext[name]) { - return previousRunningContext[name]; - } - } - - return declaration; - } - - scan(ast) { - if (!ast) return; - if (Array.isArray(ast)) { - for (let i = 0; i < ast.length; i++) { - this.scan(ast[i]); - } - return; - } - switch (ast.type) { - case 'Program': - this.useFunctionContext(() => { - this.scan(ast.body); - }); - break; - case 'BlockStatement': - this.newContext(() => { - this.scan(ast.body); - }); - break; - case 'AssignmentExpression': - case 'LogicalExpression': - this.scan(ast.left); - this.scan(ast.right); - break; - case 'BinaryExpression': - this.scan(ast.left); - this.scan(ast.right); - break; - case 'UpdateExpression': - if (ast.operator === '++') { - const declaration = this.getDeclaration(ast.argument.name); - if (declaration) { - declaration.suggestedType = 'Integer'; - } - } - this.scan(ast.argument); - break; - case 'UnaryExpression': - this.scan(ast.argument); - break; - case 'VariableDeclaration': - if (ast.kind === 'var') { - this.useFunctionContext(() => { - ast.declarations = utils.normalizeDeclarations(ast); - this.scan(ast.declarations); - }); - } else { - ast.declarations = utils.normalizeDeclarations(ast); - this.scan(ast.declarations); - } - break; - case 'VariableDeclarator': { - const { currentContext } = this; - const inForLoopInit = this.hasState(states.inForLoopInit); - const declaration = { - ast: ast, - context: currentContext, - name: ast.id.name, - origin: 'declaration', - inForLoopInit, - inForLoopTest: null, - assignable: currentContext === this.currentFunctionContext || (!inForLoopInit && !currentContext.hasOwnProperty(ast.id.name)), - suggestedType: null, - valueType: null, - dependencies: null, - isSafe: null, - }; - if (!currentContext[ast.id.name]) { - currentContext[ast.id.name] = declaration; - } - this.declarations.push(declaration); - this.scan(ast.id); - this.scan(ast.init); - break; - } - case 'FunctionExpression': - case 'FunctionDeclaration': - if (this.runningContexts.length === 0) { - this.scan(ast.body); - } else { - this.functions.push(ast); - } - break; - case 'IfStatement': - this.scan(ast.test); - this.scan(ast.consequent); - if (ast.alternate) this.scan(ast.alternate); - break; - case 'ForStatement': { - let testIdentifiers; - const context = this.newContext(() => { - this.pushState(states.inForLoopInit); - this.scan(ast.init); - this.popState(states.inForLoopInit); - - testIdentifiers = this.getIdentifiers(() => { - this.scan(ast.test); - }); - - this.scan(ast.update); - this.newContext(() => { - this.scan(ast.body); - }); - }); - - if (testIdentifiers) { - for (const p in context) { - if (p === '@contextType') continue; - if (testIdentifiers.indexOf(p) > -1) { - context[p].inForLoopTest = true; - } - } - } - break; - } - case 'DoWhileStatement': - case 'WhileStatement': - this.newContext(() => { - this.scan(ast.body); - this.scan(ast.test); - }); - break; - case 'Identifier': { - if (this.isState(states.trackIdentifiers)) { - this.trackedIdentifiers.push(ast.name); - } - this.identifiers.push({ - context: this.currentContext, - declaration: this.getDeclaration(ast.name), - ast, - }); - break; - } - case 'ReturnStatement': - this.returnStatements.push(ast); - this.scan(ast.argument); - break; - case 'MemberExpression': - this.pushState(states.memberExpression); - this.scan(ast.object); - this.scan(ast.property); - this.popState(states.memberExpression); - break; - case 'ExpressionStatement': - this.scan(ast.expression); - break; - case 'SequenceExpression': - this.scan(ast.expressions); - break; - case 'CallExpression': - this.functionCalls.push({ - context: this.currentContext, - ast, - }); - this.scan(ast.arguments); - break; - case 'ArrayExpression': - this.scan(ast.elements); - break; - case 'ConditionalExpression': - this.scan(ast.test); - this.scan(ast.alternate); - this.scan(ast.consequent); - break; - case 'SwitchStatement': - this.scan(ast.discriminant); - this.scan(ast.cases); - break; - case 'SwitchCase': - this.scan(ast.test); - this.scan(ast.consequent); - break; - - case 'ThisExpression': - case 'Literal': - case 'DebuggerStatement': - case 'EmptyStatement': - case 'BreakStatement': - case 'ContinueStatement': - break; - default: - throw new Error(`unhandled type "${ast.type}"`); - } - } -} - -module.exports = { - FunctionTracer, -}; -},{"../utils":114}],12:[function(require,module,exports){ -const { glWiretap } = require('gl-wiretap'); -const { utils } = require('../../utils'); - -function toStringWithoutUtils(fn) { - return fn.toString() - .replace('=>', '') - .replace(/^function /, '') - .replace(/utils[.]/g, '/*utils.*/'); -} - -function glKernelString(Kernel, args, originKernel, setupContextString, destroyContextString) { - if (!originKernel.built) { - originKernel.build.apply(originKernel, args); - } - args = args ? Array.from(args).map(arg => { - switch (typeof arg) { - case 'boolean': - return new Boolean(arg); - case 'number': - return new Number(arg); - default: - return arg; - } - }) : null; - const uploadedValues = []; - const postResult = []; - const context = glWiretap(originKernel.context, { - useTrackablePrimitives: true, - onReadPixels: (targetName) => { - if (kernel.subKernels) { - if (!subKernelsResultVariableSetup) { - postResult.push(` const result = { result: ${getRenderString(targetName, kernel)} };`); - subKernelsResultVariableSetup = true; - } else { - const property = kernel.subKernels[subKernelsResultIndex++].property; - postResult.push(` result${isNaN(property) ? '.' + property : `[${property}]`} = ${getRenderString(targetName, kernel)};`); - } - if (subKernelsResultIndex === kernel.subKernels.length) { - postResult.push(' return result;'); - } - return; - } - if (targetName) { - postResult.push(` return ${getRenderString(targetName, kernel)};`); - } else { - postResult.push(` return null;`); - } - }, - onUnrecognizedArgumentLookup: (argument) => { - const argumentName = findKernelValue(argument, kernel.kernelArguments, [], context, uploadedValues); - if (argumentName) { - return argumentName; - } - const constantName = findKernelValue(argument, kernel.kernelConstants, constants ? Object.keys(constants).map(key => constants[key]) : [], context, uploadedValues); - if (constantName) { - return constantName; - } - return null; - } - }); - let subKernelsResultVariableSetup = false; - let subKernelsResultIndex = 0; - const { - source, - canvas, - output, - pipeline, - graphical, - loopMaxIterations, - constants, - optimizeFloatMemory, - precision, - fixIntegerDivisionAccuracy, - functions, - nativeFunctions, - subKernels, - immutable, - argumentTypes, - constantTypes, - kernelArguments, - kernelConstants, - tactic, - } = originKernel; - const kernel = new Kernel(source, { - canvas, - context, - checkContext: false, - output, - pipeline, - graphical, - loopMaxIterations, - constants, - optimizeFloatMemory, - precision, - fixIntegerDivisionAccuracy, - functions, - nativeFunctions, - subKernels, - immutable, - argumentTypes, - constantTypes, - tactic, - }); - let result = []; - context.setIndent(2); - kernel.build.apply(kernel, args); - result.push(context.toString()); - context.reset(); - - kernel.kernelArguments.forEach((kernelArgument, i) => { - switch (kernelArgument.type) { - case 'Integer': - case 'Boolean': - case 'Number': - case 'Float': - case 'Array': - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - case 'HTMLCanvas': - case 'HTMLImage': - case 'HTMLVideo': - context.insertVariable(`uploadValue_${kernelArgument.name}`, kernelArgument.uploadValue); - break; - case 'HTMLImageArray': - for (let imageIndex = 0; imageIndex < args[i].length; imageIndex++) { - const arg = args[i]; - context.insertVariable(`uploadValue_${kernelArgument.name}[${imageIndex}]`, arg[imageIndex]); - } - break; - case 'Input': - context.insertVariable(`uploadValue_${kernelArgument.name}`, kernelArgument.uploadValue); - break; - case 'MemoryOptimizedNumberTexture': - case 'NumberTexture': - case 'Array1D(2)': - case 'Array1D(3)': - case 'Array1D(4)': - case 'Array2D(2)': - case 'Array2D(3)': - case 'Array2D(4)': - case 'Array3D(2)': - case 'Array3D(3)': - case 'Array3D(4)': - case 'ArrayTexture(1)': - case 'ArrayTexture(2)': - case 'ArrayTexture(3)': - case 'ArrayTexture(4)': - context.insertVariable(`uploadValue_${kernelArgument.name}`, args[i].texture); - break; - default: - throw new Error(`unhandled kernelArgumentType insertion for glWiretap of type ${kernelArgument.type}`); - } - }); - result.push('/** start of injected functions **/'); - result.push(`function ${toStringWithoutUtils(utils.flattenTo)}`); - result.push(`function ${toStringWithoutUtils(utils.flatten2dArrayTo)}`); - result.push(`function ${toStringWithoutUtils(utils.flatten3dArrayTo)}`); - result.push(`function ${toStringWithoutUtils(utils.flatten4dArrayTo)}`); - result.push(`function ${toStringWithoutUtils(utils.isArray)}`); - if (kernel.renderOutput !== kernel.renderTexture && kernel.formatValues) { - result.push( - ` const renderOutput = function ${toStringWithoutUtils(kernel.formatValues)};` - ); - } - result.push('/** end of injected functions **/'); - result.push(` const innerKernel = function (${kernel.kernelArguments.map(kernelArgument => kernelArgument.varName).join(', ')}) {`); - context.setIndent(4); - kernel.run.apply(kernel, args); - if (kernel.renderKernels) { - kernel.renderKernels(); - } else if (kernel.renderOutput) { - kernel.renderOutput(); - } - result.push(' /** start setup uploads for kernel values **/'); - kernel.kernelArguments.forEach(kernelArgument => { - result.push(' ' + kernelArgument.getStringValueHandler().split('\n').join('\n ')); - }); - result.push(' /** end setup uploads for kernel values **/'); - result.push(context.toString()); - if (kernel.renderOutput === kernel.renderTexture) { - context.reset(); - const framebufferName = context.getContextVariableName(kernel.framebuffer); - if (kernel.renderKernels) { - const results = kernel.renderKernels(); - const textureName = context.getContextVariableName(kernel.texture.texture); - result.push(` return { - result: { - texture: ${ textureName }, - type: '${ results.result.type }', - toArray: ${ getToArrayString(results.result, textureName, framebufferName) } - },`); - const { subKernels, mappedTextures } = kernel; - for (let i = 0; i < subKernels.length; i++) { - const texture = mappedTextures[i]; - const subKernel = subKernels[i]; - const subKernelResult = results[subKernel.property]; - const subKernelTextureName = context.getContextVariableName(texture.texture); - result.push(` - ${subKernel.property}: { - texture: ${ subKernelTextureName }, - type: '${ subKernelResult.type }', - toArray: ${ getToArrayString(subKernelResult, subKernelTextureName, framebufferName) } - },`); - } - result.push(` };`); - } else { - const rendered = kernel.renderOutput(); - const textureName = context.getContextVariableName(kernel.texture.texture); - result.push(` return { - texture: ${ textureName }, - type: '${ rendered.type }', - toArray: ${ getToArrayString(rendered, textureName, framebufferName) } - };`); - } - } - result.push(` ${destroyContextString ? '\n' + destroyContextString + ' ': ''}`); - result.push(postResult.join('\n')); - result.push(' };'); - if (kernel.graphical) { - result.push(getGetPixelsString(kernel)); - result.push(` innerKernel.getPixels = getPixels;`); - } - result.push(' return innerKernel;'); - - let constantsUpload = []; - kernelConstants.forEach((kernelConstant) => { - constantsUpload.push(`${kernelConstant.getStringValueHandler()}`); - }); - return `function kernel(settings) { - const { context, constants } = settings; - ${constantsUpload.join('')} - ${setupContextString ? setupContextString : ''} -${result.join('\n')} -}`; -} - -function getRenderString(targetName, kernel) { - const readBackValue = kernel.precision === 'single' ? targetName : `new Float32Array(${targetName}.buffer)`; - if (kernel.output[2]) { - return `renderOutput(${readBackValue}, ${kernel.output[0]}, ${kernel.output[1]}, ${kernel.output[2]})`; - } - if (kernel.output[1]) { - return `renderOutput(${readBackValue}, ${kernel.output[0]}, ${kernel.output[1]})`; - } - - return `renderOutput(${readBackValue}, ${kernel.output[0]})`; -} - -function getGetPixelsString(kernel) { - const getPixels = kernel.getPixels.toString(); - const useFunctionKeyword = !/^function/.test(getPixels); - return utils.flattenFunctionToString(`${useFunctionKeyword ? 'function ' : ''}${ getPixels }`, { - findDependency: (object, name) => { - if (object === 'utils') { - return `const ${name} = ${utils[name].toString()};`; - } - return null; - }, - thisLookup: (property) => { - if (property === 'context') { - return null; - } - if (kernel.hasOwnProperty(property)) { - return JSON.stringify(kernel[property]); - } - throw new Error(`unhandled thisLookup ${ property }`); - } - }); -} - -function getToArrayString(kernelResult, textureName, framebufferName) { - const toArray = kernelResult.toArray.toString(); - const useFunctionKeyword = !/^function/.test(toArray); - const flattenedFunctions = utils.flattenFunctionToString(`${useFunctionKeyword ? 'function ' : ''}${ toArray }`, { - findDependency: (object, name) => { - if (object === 'utils') { - return `const ${name} = ${utils[name].toString()};`; - } else if (object === 'this') { - if (name === 'framebuffer') { - return ''; - } - return `${useFunctionKeyword ? 'function ' : ''}${kernelResult[name].toString()}`; - } else { - throw new Error('unhandled fromObject'); - } - }, - thisLookup: (property, isDeclaration) => { - if (property === 'texture') { - return textureName; - } - if (property === 'context') { - if (isDeclaration) return null; - return 'gl'; - } - if (kernelResult.hasOwnProperty(property)) { - return JSON.stringify(kernelResult[property]); - } - throw new Error(`unhandled thisLookup ${ property }`); - } - }); - return `() => { - function framebuffer() { return ${framebufferName}; }; - ${flattenedFunctions} - return toArray(); - }`; -} - -function findKernelValue(argument, kernelValues, values, context, uploadedValues) { - if (argument === null) return null; - if (kernelValues === null) return null; - switch (typeof argument) { - case 'boolean': - case 'number': - return null; - } - if ( - typeof HTMLImageElement !== 'undefined' && - argument instanceof HTMLImageElement - ) { - for (let i = 0; i < kernelValues.length; i++) { - const kernelValue = kernelValues[i]; - if (kernelValue.type !== 'HTMLImageArray' && kernelValue) continue; - if (kernelValue.uploadValue !== argument) continue; - const variableIndex = values[i].indexOf(argument); - if (variableIndex === -1) continue; - const variableName = `uploadValue_${kernelValue.name}[${variableIndex}]`; - context.insertVariable(variableName, argument); - return variableName; - } - } - - for (let i = 0; i < kernelValues.length; i++) { - const kernelValue = kernelValues[i]; - if (argument !== kernelValue.uploadValue) continue; - const variable = `uploadValue_${kernelValue.name}`; - context.insertVariable(variable, kernelValue); - return variable; - } - return null; -} - -module.exports = { - glKernelString -}; -},{"../../utils":114,"gl-wiretap":3}],13:[function(require,module,exports){ -const { Kernel } = require('../kernel'); -const { utils } = require('../../utils'); -const { GLTextureArray2Float } = require('./texture/array-2-float'); -const { GLTextureArray2Float2D } = require('./texture/array-2-float-2d'); -const { GLTextureArray2Float3D } = require('./texture/array-2-float-3d'); -const { GLTextureArray3Float } = require('./texture/array-3-float'); -const { GLTextureArray3Float2D } = require('./texture/array-3-float-2d'); -const { GLTextureArray3Float3D } = require('./texture/array-3-float-3d'); -const { GLTextureArray4Float } = require('./texture/array-4-float'); -const { GLTextureArray4Float2D } = require('./texture/array-4-float-2d'); -const { GLTextureArray4Float3D } = require('./texture/array-4-float-3d'); -const { GLTextureFloat } = require('./texture/float'); -const { GLTextureFloat2D } = require('./texture/float-2d'); -const { GLTextureFloat3D } = require('./texture/float-3d'); -const { GLTextureMemoryOptimized } = require('./texture/memory-optimized'); -const { GLTextureMemoryOptimized2D } = require('./texture/memory-optimized-2d'); -const { GLTextureMemoryOptimized3D } = require('./texture/memory-optimized-3d'); -const { GLTextureUnsigned } = require('./texture/unsigned'); -const { GLTextureUnsigned2D } = require('./texture/unsigned-2d'); -const { GLTextureUnsigned3D } = require('./texture/unsigned-3d'); -const { GLTextureGraphical } = require('./texture/graphical'); - -class GLKernel extends Kernel { - static get mode() { - return 'gpu'; - } - - static getIsFloatRead() { - const kernelString = `function kernelFunction() { - return 1; - }`; - const kernel = new this(kernelString, { - context: this.testContext, - canvas: this.testCanvas, - validate: false, - output: [1], - precision: 'single', - returnType: 'Number', - tactic: 'speed', - }); - kernel.build(); - kernel.run(); - const result = kernel.renderOutput(); - kernel.destroy(true); - return result[0] === 1; - } - - static getIsIntegerDivisionAccurate() { - function kernelFunction(v1, v2) { - return v1[this.thread.x] / v2[this.thread.x]; - } - const kernel = new this(kernelFunction.toString(), { - context: this.testContext, - canvas: this.testCanvas, - validate: false, - output: [2], - returnType: 'Number', - precision: 'unsigned', - tactic: 'speed', - }); - const args = [ - [6, 6030401], - [3, 3991] - ]; - kernel.build.apply(kernel, args); - kernel.run.apply(kernel, args); - const result = kernel.renderOutput(); - kernel.destroy(true); - return result[0] === 2 && result[1] === 1511; - } - - static getIsSpeedTacticSupported() { - function kernelFunction(value) { - return value[this.thread.x]; - } - const kernel = new this(kernelFunction.toString(), { - context: this.testContext, - canvas: this.testCanvas, - validate: false, - output: [4], - returnType: 'Number', - precision: 'unsigned', - tactic: 'speed', - }); - const args = [ - [0, 1, 2, 3] - ]; - kernel.build.apply(kernel, args); - kernel.run.apply(kernel, args); - const result = kernel.renderOutput(); - kernel.destroy(true); - return Math.round(result[0]) === 0 && Math.round(result[1]) === 1 && Math.round(result[2]) === 2 && Math.round(result[3]) === 3; - } - - static get testCanvas() { - throw new Error(`"testCanvas" not defined on ${ this.name }`); - } - - static get testContext() { - throw new Error(`"testContext" not defined on ${ this.name }`); - } - - static getFeatures() { - const gl = this.testContext; - const isDrawBuffers = this.getIsDrawBuffers(); - return Object.freeze({ - isFloatRead: this.getIsFloatRead(), - isIntegerDivisionAccurate: this.getIsIntegerDivisionAccurate(), - isSpeedTacticSupported: this.getIsSpeedTacticSupported(), - isTextureFloat: this.getIsTextureFloat(), - isDrawBuffers, - kernelMap: isDrawBuffers, - channelCount: this.getChannelCount(), - maxTextureSize: this.getMaxTextureSize(), - lowIntPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.LOW_INT), - lowFloatPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.LOW_FLOAT), - mediumIntPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.MEDIUM_INT), - mediumFloatPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT), - highIntPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_INT), - highFloatPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_FLOAT), - }); - } - - static setupFeatureChecks() { - throw new Error(`"setupFeatureChecks" not defined on ${ this.name }`); - } - - static getSignature(kernel, argumentTypes) { - return kernel.getVariablePrecisionString() + (argumentTypes.length > 0 ? ':' + argumentTypes.join(',') : ''); - } - - setFixIntegerDivisionAccuracy(fix) { - this.fixIntegerDivisionAccuracy = fix; - return this; - } - - setPrecision(flag) { - this.precision = flag; - return this; - } - - setFloatTextures(flag) { - utils.warnDeprecated('method', 'setFloatTextures', 'setOptimizeFloatMemory'); - this.floatTextures = flag; - return this; - } - - static nativeFunctionArguments(source) { - const argumentTypes = []; - const argumentNames = []; - const states = []; - const isStartingVariableName = /^[a-zA-Z_]/; - const isVariableChar = /[a-zA-Z_0-9]/; - let i = 0; - let argumentName = null; - let argumentType = null; - while (i < source.length) { - const char = source[i]; - const nextChar = source[i + 1]; - const state = states.length > 0 ? states[states.length - 1] : null; - - if (state === 'FUNCTION_ARGUMENTS' && char === '/' && nextChar === '*') { - states.push('MULTI_LINE_COMMENT'); - i += 2; - continue; - } else if (state === 'MULTI_LINE_COMMENT' && char === '*' && nextChar === '/') { - states.pop(); - i += 2; - continue; - } - - else if (state === 'FUNCTION_ARGUMENTS' && char === '/' && nextChar === '/') { - states.push('COMMENT'); - i += 2; - continue; - } else if (state === 'COMMENT' && char === '\n') { - states.pop(); - i++; - continue; - } - - else if (state === null && char === '(') { - states.push('FUNCTION_ARGUMENTS'); - i++; - continue; - } else if (state === 'FUNCTION_ARGUMENTS') { - if (char === ')') { - states.pop(); - break; - } - if (char === 'f' && nextChar === 'l' && source[i + 2] === 'o' && source[i + 3] === 'a' && source[i + 4] === 't' && source[i + 5] === ' ') { - states.push('DECLARE_VARIABLE'); - argumentType = 'float'; - argumentName = ''; - i += 6; - continue; - } else if (char === 'i' && nextChar === 'n' && source[i + 2] === 't' && source[i + 3] === ' ') { - states.push('DECLARE_VARIABLE'); - argumentType = 'int'; - argumentName = ''; - i += 4; - continue; - } else if (char === 'v' && nextChar === 'e' && source[i + 2] === 'c' && source[i + 3] === '2' && source[i + 4] === ' ') { - states.push('DECLARE_VARIABLE'); - argumentType = 'vec2'; - argumentName = ''; - i += 5; - continue; - } else if (char === 'v' && nextChar === 'e' && source[i + 2] === 'c' && source[i + 3] === '3' && source[i + 4] === ' ') { - states.push('DECLARE_VARIABLE'); - argumentType = 'vec3'; - argumentName = ''; - i += 5; - continue; - } else if (char === 'v' && nextChar === 'e' && source[i + 2] === 'c' && source[i + 3] === '4' && source[i + 4] === ' ') { - states.push('DECLARE_VARIABLE'); - argumentType = 'vec4'; - argumentName = ''; - i += 5; - continue; - } - } - - else if (state === 'DECLARE_VARIABLE') { - if (argumentName === '') { - if (char === ' ') { - i++; - continue; - } - if (!isStartingVariableName.test(char)) { - throw new Error('variable name is not expected string'); - } - } - argumentName += char; - if (!isVariableChar.test(nextChar)) { - states.pop(); - argumentNames.push(argumentName); - argumentTypes.push(typeMap[argumentType]); - } - } - - i++; - } - if (states.length > 0) { - throw new Error('GLSL function was not parsable'); - } - return { - argumentNames, - argumentTypes, - }; - } - - static nativeFunctionReturnType(source) { - return typeMap[source.match(/int|float|vec[2-4]/)[0]]; - } - - static combineKernels(combinedKernel, lastKernel) { - combinedKernel.apply(null, arguments); - const { - texSize, - context, - threadDim - } = lastKernel.texSize; - let result; - if (lastKernel.precision === 'single') { - const w = texSize[0]; - const h = Math.ceil(texSize[1] / 4); - result = new Float32Array(w * h * 4 * 4); - context.readPixels(0, 0, w, h * 4, context.RGBA, context.FLOAT, result); - } else { - const bytes = new Uint8Array(texSize[0] * texSize[1] * 4); - context.readPixels(0, 0, texSize[0], texSize[1], context.RGBA, context.UNSIGNED_BYTE, bytes); - result = new Float32Array(bytes.buffer); - } - - result = result.subarray(0, threadDim[0] * threadDim[1] * threadDim[2]); - - if (lastKernel.output.length === 1) { - return result; - } else if (lastKernel.output.length === 2) { - return utils.splitArray(result, lastKernel.output[0]); - } else if (lastKernel.output.length === 3) { - const cube = utils.splitArray(result, lastKernel.output[0] * lastKernel.output[1]); - return cube.map(function(x) { - return utils.splitArray(x, lastKernel.output[0]); - }); - } - } - - constructor(source, settings) { - super(source, settings); - this.transferValues = null; - this.formatValues = null; - this.TextureConstructor = null; - this.renderOutput = null; - this.renderRawOutput = null; - this.texSize = null; - this.translatedSource = null; - this.compiledFragmentShader = null; - this.compiledVertexShader = null; - this.switchingKernels = null; - this._textureSwitched = null; - this._mappedTextureSwitched = null; - } - - checkTextureSize() { - const { features } = this.constructor; - if (this.texSize[0] > features.maxTextureSize || this.texSize[1] > features.maxTextureSize) { - throw new Error(`Texture size [${this.texSize[0]},${this.texSize[1]}] generated by kernel is larger than supported size [${features.maxTextureSize},${features.maxTextureSize}]`); - } - } - - translateSource() { - throw new Error(`"translateSource" not defined on ${this.constructor.name}`); - } - - pickRenderStrategy(args) { - if (this.graphical) { - this.renderRawOutput = this.readPackedPixelsToUint8Array; - this.transferValues = (pixels) => pixels; - this.TextureConstructor = GLTextureGraphical; - return null; - } - if (this.precision === 'unsigned') { - this.renderRawOutput = this.readPackedPixelsToUint8Array; - this.transferValues = this.readPackedPixelsToFloat32Array; - if (this.pipeline) { - this.renderOutput = this.renderTexture; - if (this.subKernels !== null) { - this.renderKernels = this.renderKernelsToTextures; - } - switch (this.returnType) { - case 'LiteralInteger': - case 'Float': - case 'Number': - case 'Integer': - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureUnsigned3D; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureUnsigned2D; - return null; - } else { - this.TextureConstructor = GLTextureUnsigned; - return null; - } - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - return this.requestFallback(args); - } - } else { - if (this.subKernels !== null) { - this.renderKernels = this.renderKernelsToArrays; - } - switch (this.returnType) { - case 'LiteralInteger': - case 'Float': - case 'Number': - case 'Integer': - this.renderOutput = this.renderValues; - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureUnsigned3D; - this.formatValues = utils.erect3DPackedFloat; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureUnsigned2D; - this.formatValues = utils.erect2DPackedFloat; - return null; - } else { - this.TextureConstructor = GLTextureUnsigned; - this.formatValues = utils.erectPackedFloat; - return null; - } - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - return this.requestFallback(args); - } - } - } else if (this.precision === 'single') { - this.renderRawOutput = this.readFloatPixelsToFloat32Array; - this.transferValues = this.readFloatPixelsToFloat32Array; - if (this.pipeline) { - this.renderOutput = this.renderTexture; - if (this.subKernels !== null) { - this.renderKernels = this.renderKernelsToTextures; - } - switch (this.returnType) { - case 'LiteralInteger': - case 'Float': - case 'Number': - case 'Integer': { - if (this.optimizeFloatMemory) { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureMemoryOptimized3D; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureMemoryOptimized2D; - return null; - } else { - this.TextureConstructor = GLTextureMemoryOptimized; - return null; - } - } else { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureFloat3D; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureFloat2D; - return null; - } else { - this.TextureConstructor = GLTextureFloat; - return null; - } - } - } - case 'Array(2)': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureArray2Float3D; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureArray2Float2D; - return null; - } else { - this.TextureConstructor = GLTextureArray2Float; - return null; - } - } - case 'Array(3)': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureArray3Float3D; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureArray3Float2D; - return null; - } else { - this.TextureConstructor = GLTextureArray3Float; - return null; - } - } - case 'Array(4)': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureArray4Float3D; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureArray4Float2D; - return null; - } else { - this.TextureConstructor = GLTextureArray4Float; - return null; - } - } - } - } - this.renderOutput = this.renderValues; - if (this.subKernels !== null) { - this.renderKernels = this.renderKernelsToArrays; - } - if (this.optimizeFloatMemory) { - switch (this.returnType) { - case 'LiteralInteger': - case 'Float': - case 'Number': - case 'Integer': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureMemoryOptimized3D; - this.formatValues = utils.erectMemoryOptimized3DFloat; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureMemoryOptimized2D; - this.formatValues = utils.erectMemoryOptimized2DFloat; - return null; - } else { - this.TextureConstructor = GLTextureMemoryOptimized; - this.formatValues = utils.erectMemoryOptimizedFloat; - return null; - } - } - case 'Array(2)': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureArray2Float3D; - this.formatValues = utils.erect3DArray2; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureArray2Float2D; - this.formatValues = utils.erect2DArray2; - return null; - } else { - this.TextureConstructor = GLTextureArray2Float; - this.formatValues = utils.erectArray2; - return null; - } - } - case 'Array(3)': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureArray3Float3D; - this.formatValues = utils.erect3DArray3; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureArray3Float2D; - this.formatValues = utils.erect2DArray3; - return null; - } else { - this.TextureConstructor = GLTextureArray3Float; - this.formatValues = utils.erectArray3; - return null; - } - } - case 'Array(4)': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureArray4Float3D; - this.formatValues = utils.erect3DArray4; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureArray4Float2D; - this.formatValues = utils.erect2DArray4; - return null; - } else { - this.TextureConstructor = GLTextureArray4Float; - this.formatValues = utils.erectArray4; - return null; - } - } - } - } else { - switch (this.returnType) { - case 'LiteralInteger': - case 'Float': - case 'Number': - case 'Integer': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureFloat3D; - this.formatValues = utils.erect3DFloat; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureFloat2D; - this.formatValues = utils.erect2DFloat; - return null; - } else { - this.TextureConstructor = GLTextureFloat; - this.formatValues = utils.erectFloat; - return null; - } - } - case 'Array(2)': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureArray2Float3D; - this.formatValues = utils.erect3DArray2; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureArray2Float2D; - this.formatValues = utils.erect2DArray2; - return null; - } else { - this.TextureConstructor = GLTextureArray2Float; - this.formatValues = utils.erectArray2; - return null; - } - } - case 'Array(3)': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureArray3Float3D; - this.formatValues = utils.erect3DArray3; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureArray3Float2D; - this.formatValues = utils.erect2DArray3; - return null; - } else { - this.TextureConstructor = GLTextureArray3Float; - this.formatValues = utils.erectArray3; - return null; - } - } - case 'Array(4)': { - if (this.output[2] > 0) { - this.TextureConstructor = GLTextureArray4Float3D; - this.formatValues = utils.erect3DArray4; - return null; - } else if (this.output[1] > 0) { - this.TextureConstructor = GLTextureArray4Float2D; - this.formatValues = utils.erect2DArray4; - return null; - } else { - this.TextureConstructor = GLTextureArray4Float; - this.formatValues = utils.erectArray4; - return null; - } - } - } - } - } else { - throw new Error(`unhandled precision of "${this.precision}"`); - } - - throw new Error(`unhandled return type "${this.returnType}"`); - } - - getKernelString() { - throw new Error(`abstract method call`); - } - - getMainResultTexture() { - switch (this.returnType) { - case 'LiteralInteger': - case 'Float': - case 'Integer': - case 'Number': - return this.getMainResultNumberTexture(); - case 'Array(2)': - return this.getMainResultArray2Texture(); - case 'Array(3)': - return this.getMainResultArray3Texture(); - case 'Array(4)': - return this.getMainResultArray4Texture(); - default: - throw new Error(`unhandled returnType type ${ this.returnType }`); - } - } - - getMainResultKernelNumberTexture() { - throw new Error(`abstract method call`); - } - getMainResultSubKernelNumberTexture() { - throw new Error(`abstract method call`); - } - getMainResultKernelArray2Texture() { - throw new Error(`abstract method call`); - } - getMainResultSubKernelArray2Texture() { - throw new Error(`abstract method call`); - } - getMainResultKernelArray3Texture() { - throw new Error(`abstract method call`); - } - getMainResultSubKernelArray3Texture() { - throw new Error(`abstract method call`); - } - getMainResultKernelArray4Texture() { - throw new Error(`abstract method call`); - } - getMainResultSubKernelArray4Texture() { - throw new Error(`abstract method call`); - } - getMainResultGraphical() { - throw new Error(`abstract method call`); - } - getMainResultMemoryOptimizedFloats() { - throw new Error(`abstract method call`); - } - getMainResultPackedPixels() { - throw new Error(`abstract method call`); - } - - getMainResultString() { - if (this.graphical) { - return this.getMainResultGraphical(); - } else if (this.precision === 'single') { - if (this.optimizeFloatMemory) { - return this.getMainResultMemoryOptimizedFloats(); - } - return this.getMainResultTexture(); - } else { - return this.getMainResultPackedPixels(); - } - } - - getMainResultNumberTexture() { - return utils.linesToString(this.getMainResultKernelNumberTexture()) + - utils.linesToString(this.getMainResultSubKernelNumberTexture()); - } - - getMainResultArray2Texture() { - return utils.linesToString(this.getMainResultKernelArray2Texture()) + - utils.linesToString(this.getMainResultSubKernelArray2Texture()); - } - - getMainResultArray3Texture() { - return utils.linesToString(this.getMainResultKernelArray3Texture()) + - utils.linesToString(this.getMainResultSubKernelArray3Texture()); - } - - getMainResultArray4Texture() { - return utils.linesToString(this.getMainResultKernelArray4Texture()) + - utils.linesToString(this.getMainResultSubKernelArray4Texture()); - } - - getFloatTacticDeclaration() { - const variablePrecision = this.getVariablePrecisionString(this.texSize, this.tactic); - return `precision ${variablePrecision} float;\n`; - } - - getIntTacticDeclaration() { - return `precision ${this.getVariablePrecisionString(this.texSize, this.tactic, true)} int;\n`; - } - - getSampler2DTacticDeclaration() { - return `precision ${this.getVariablePrecisionString(this.texSize, this.tactic)} sampler2D;\n`; - } - - getSampler2DArrayTacticDeclaration() { - return `precision ${this.getVariablePrecisionString(this.texSize, this.tactic)} sampler2DArray;\n`; - } - - renderTexture() { - return this.immutable ? this.texture.clone() : this.texture; - } - readPackedPixelsToUint8Array() { - if (this.precision !== 'unsigned') throw new Error('Requires this.precision to be "unsigned"'); - const { - texSize, - context: gl - } = this; - const result = new Uint8Array(texSize[0] * texSize[1] * 4); - gl.readPixels(0, 0, texSize[0], texSize[1], gl.RGBA, gl.UNSIGNED_BYTE, result); - return result; - } - - readPackedPixelsToFloat32Array() { - return new Float32Array(this.readPackedPixelsToUint8Array().buffer); - } - - readFloatPixelsToFloat32Array() { - if (this.precision !== 'single') throw new Error('Requires this.precision to be "single"'); - const { - texSize, - context: gl - } = this; - const w = texSize[0]; - const h = texSize[1]; - const result = new Float32Array(w * h * 4); - gl.readPixels(0, 0, w, h, gl.RGBA, gl.FLOAT, result); - return result; - } - - getPixels(flip) { - const { - context: gl, - output - } = this; - const [width, height] = output; - const pixels = new Uint8Array(width * height * 4); - gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, pixels); - return new Uint8ClampedArray((flip ? pixels : utils.flipPixels(pixels, width, height)).buffer); - } - - renderKernelsToArrays() { - const result = { - result: this.renderOutput(), - }; - for (let i = 0; i < this.subKernels.length; i++) { - result[this.subKernels[i].property] = this.mappedTextures[i].toArray(); - } - return result; - } - - renderKernelsToTextures() { - const result = { - result: this.renderOutput(), - }; - if (this.immutable) { - for (let i = 0; i < this.subKernels.length; i++) { - result[this.subKernels[i].property] = this.mappedTextures[i].clone(); - } - } else { - for (let i = 0; i < this.subKernels.length; i++) { - result[this.subKernels[i].property] = this.mappedTextures[i]; - } - } - return result; - } - - resetSwitchingKernels() { - const existingValue = this.switchingKernels; - this.switchingKernels = null; - return existingValue; - } - - setOutput(output) { - const newOutput = this.toKernelOutput(output); - if (this.program) { - if (!this.dynamicOutput) { - throw new Error('Resizing a kernel with dynamicOutput: false is not possible'); - } - const newThreadDim = [newOutput[0], newOutput[1] || 1, newOutput[2] || 1]; - const newTexSize = utils.getKernelTextureSize({ - optimizeFloatMemory: this.optimizeFloatMemory, - precision: this.precision, - }, newThreadDim); - const oldTexSize = this.texSize; - if (oldTexSize) { - const oldPrecision = this.getVariablePrecisionString(oldTexSize, this.tactic); - const newPrecision = this.getVariablePrecisionString(newTexSize, this.tactic); - if (oldPrecision !== newPrecision) { - if (this.debug) { - console.warn('Precision requirement changed, asking GPU instance to recompile'); - } - this.switchKernels({ - type: 'outputPrecisionMismatch', - precision: newPrecision, - needed: output - }); - return; - } - } - this.output = newOutput; - this.threadDim = newThreadDim; - this.texSize = newTexSize; - const { context: gl } = this; - gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer); - this.updateMaxTexSize(); - this.framebuffer.width = this.texSize[0]; - this.framebuffer.height = this.texSize[1]; - gl.viewport(0, 0, this.maxTexSize[0], this.maxTexSize[1]); - this.canvas.width = this.maxTexSize[0]; - this.canvas.height = this.maxTexSize[1]; - if (this.texture) { - this.texture.delete(); - } - this.texture = null; - this._setupOutputTexture(); - if (this.mappedTextures && this.mappedTextures.length > 0) { - for (let i = 0; i < this.mappedTextures.length; i++) { - this.mappedTextures[i].delete(); - } - this.mappedTextures = null; - this._setupSubOutputTextures(); - } - } else { - this.output = newOutput; - } - return this; - } - renderValues() { - return this.formatValues( - this.transferValues(), - this.output[0], - this.output[1], - this.output[2] - ); - } - switchKernels(reason) { - if (this.switchingKernels) { - this.switchingKernels.push(reason); - } else { - this.switchingKernels = [reason]; - } - } - getVariablePrecisionString(textureSize = this.texSize, tactic = this.tactic, isInt = false) { - if (!tactic) { - if (!this.constructor.features.isSpeedTacticSupported) return 'highp'; - const low = this.constructor.features[isInt ? 'lowIntPrecision' : 'lowFloatPrecision']; - const medium = this.constructor.features[isInt ? 'mediumIntPrecision' : 'mediumFloatPrecision']; - const high = this.constructor.features[isInt ? 'highIntPrecision' : 'highFloatPrecision']; - const requiredSize = Math.log2(textureSize[0] * textureSize[1]); - if (requiredSize <= low.rangeMax) { - return 'lowp'; - } else if (requiredSize <= medium.rangeMax) { - return 'mediump'; - } else if (requiredSize <= high.rangeMax) { - return 'highp'; - } else { - throw new Error(`The required size exceeds that of the ability of your system`); - } - } - switch (tactic) { - case 'speed': - return 'lowp'; - case 'balanced': - return 'mediump'; - case 'precision': - return 'highp'; - default: - throw new Error(`Unknown tactic "${tactic}" use "speed", "balanced", "precision", or empty for auto`); - } - } - - updateTextureArgumentRefs(kernelValue, arg) { - if (!this.immutable) return; - if (this.texture.texture === arg.texture) { - const { prevArg } = kernelValue; - if (prevArg) { - if (prevArg.texture._refs === 1) { - this.texture.delete(); - this.texture = prevArg.clone(); - this._textureSwitched = true; - } - prevArg.delete(); - } - kernelValue.prevArg = arg.clone(); - } else if (this.mappedTextures && this.mappedTextures.length > 0) { - const { mappedTextures } = this; - for (let i = 0; i < mappedTextures.length; i++) { - const mappedTexture = mappedTextures[i]; - if (mappedTexture.texture === arg.texture) { - const { prevArg } = kernelValue; - if (prevArg) { - if (prevArg.texture._refs === 1) { - mappedTexture.delete(); - mappedTextures[i] = prevArg.clone(); - this._mappedTextureSwitched[i] = true; - } - prevArg.delete(); - } - kernelValue.prevArg = arg.clone(); - return; - } - } - } - } - - onActivate(previousKernel) { - this._textureSwitched = true; - this.texture = previousKernel.texture; - if (this.mappedTextures) { - for (let i = 0; i < this.mappedTextures.length; i++) { - this._mappedTextureSwitched[i] = true; - } - this.mappedTextures = previousKernel.mappedTextures; - } - } - - initCanvas() {} -} - -const typeMap = { - int: 'Integer', - float: 'Number', - vec2: 'Array(2)', - vec3: 'Array(3)', - vec4: 'Array(4)', -}; - -module.exports = { - GLKernel -}; -},{"../../utils":114,"../kernel":36,"./texture/array-2-float":16,"./texture/array-2-float-2d":14,"./texture/array-2-float-3d":15,"./texture/array-3-float":19,"./texture/array-3-float-2d":17,"./texture/array-3-float-3d":18,"./texture/array-4-float":22,"./texture/array-4-float-2d":20,"./texture/array-4-float-3d":21,"./texture/float":25,"./texture/float-2d":23,"./texture/float-3d":24,"./texture/graphical":26,"./texture/memory-optimized":30,"./texture/memory-optimized-2d":28,"./texture/memory-optimized-3d":29,"./texture/unsigned":33,"./texture/unsigned-2d":31,"./texture/unsigned-3d":32}],14:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureArray2Float2D extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(2)'; - } - toArray() { - return utils.erect2DArray2(this.renderValues(), this.output[0], this.output[1]); - } -} - -module.exports = { - GLTextureArray2Float2D -}; -},{"../../../utils":114,"./float":25}],15:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureArray2Float3D extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(2)'; - } - toArray() { - return utils.erect3DArray2(this.renderValues(), this.output[0], this.output[1], this.output[2]); - } -} - -module.exports = { - GLTextureArray2Float3D -}; -},{"../../../utils":114,"./float":25}],16:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureArray2Float extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(2)'; - } - toArray() { - return utils.erectArray2(this.renderValues(), this.output[0], this.output[1]); - } -} - -module.exports = { - GLTextureArray2Float -}; -},{"../../../utils":114,"./float":25}],17:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureArray3Float2D extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(3)'; - } - toArray() { - return utils.erect2DArray3(this.renderValues(), this.output[0], this.output[1]); - } -} - -module.exports = { - GLTextureArray3Float2D -}; -},{"../../../utils":114,"./float":25}],18:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureArray3Float3D extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(3)'; - } - toArray() { - return utils.erect3DArray3(this.renderValues(), this.output[0], this.output[1], this.output[2]); - } -} - -module.exports = { - GLTextureArray3Float3D -}; -},{"../../../utils":114,"./float":25}],19:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureArray3Float extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(3)'; - } - toArray() { - return utils.erectArray3(this.renderValues(), this.output[0]); - } -} - -module.exports = { - GLTextureArray3Float -}; -},{"../../../utils":114,"./float":25}],20:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureArray4Float2D extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(4)'; - } - toArray() { - return utils.erect2DArray4(this.renderValues(), this.output[0], this.output[1]); - } -} - -module.exports = { - GLTextureArray4Float2D -}; -},{"../../../utils":114,"./float":25}],21:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureArray4Float3D extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(4)'; - } - toArray() { - return utils.erect3DArray4(this.renderValues(), this.output[0], this.output[1], this.output[2]); - } -} - -module.exports = { - GLTextureArray4Float3D -}; -},{"../../../utils":114,"./float":25}],22:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureArray4Float extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(4)'; - } - toArray() { - return utils.erectArray4(this.renderValues(), this.output[0]); - } -} - -module.exports = { - GLTextureArray4Float -}; -},{"../../../utils":114,"./float":25}],23:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureFloat2D extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(1)'; - } - toArray() { - return utils.erect2DFloat(this.renderValues(), this.output[0], this.output[1]); - } -} - -module.exports = { - GLTextureFloat2D -}; -},{"../../../utils":114,"./float":25}],24:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureFloat3D extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(1)'; - } - toArray() { - return utils.erect3DFloat(this.renderValues(), this.output[0], this.output[1], this.output[2]); - } -} - -module.exports = { - GLTextureFloat3D -}; -},{"../../../utils":114,"./float":25}],25:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTexture } = require('./index'); - -class GLTextureFloat extends GLTexture { - get textureType() { - return this.context.FLOAT; - } - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(1)'; - } - renderRawOutput() { - const gl = this.context; - const size = this.size; - gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer()); - gl.framebufferTexture2D( - gl.FRAMEBUFFER, - gl.COLOR_ATTACHMENT0, - gl.TEXTURE_2D, - this.texture, - 0 - ); - const result = new Float32Array(size[0] * size[1] * 4); - gl.readPixels(0, 0, size[0], size[1], gl.RGBA, gl.FLOAT, result); - return result; - } - renderValues() { - if (this._deleted) return null; - return this.renderRawOutput(); - } - toArray() { - return utils.erectFloat(this.renderValues(), this.output[0]); - } -} - -module.exports = { - GLTextureFloat -}; -},{"../../../utils":114,"./index":27}],26:[function(require,module,exports){ -const { GLTextureUnsigned } = require('./unsigned'); - -class GLTextureGraphical extends GLTextureUnsigned { - constructor(settings) { - super(settings); - this.type = 'ArrayTexture(4)'; - } - toArray() { - return this.renderValues(); - } -} - -module.exports = { - GLTextureGraphical -}; -},{"./unsigned":33}],27:[function(require,module,exports){ -const { Texture } = require('../../../texture'); - -class GLTexture extends Texture { - get textureType() { - throw new Error(`"textureType" not implemented on ${ this.name }`); - } - - clone() { - return new this.constructor(this); - } - - beforeMutate() { - if (this.texture._refs > 1) { - this.newTexture(); - return true; - } - return false; - } - - cloneTexture() { - this.texture._refs--; - const { context: gl, size, texture, kernel } = this; - if (kernel.debug) { - console.warn('cloning internal texture'); - } - gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer()); - selectTexture(gl, texture); - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0); - const target = gl.createTexture(); - selectTexture(gl, target); - gl.texImage2D(gl.TEXTURE_2D, 0, this.internalFormat, size[0], size[1], 0, this.textureFormat, this.textureType, null); - gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, size[0], size[1]); - target._refs = 1; - this.texture = target; - } - - newTexture() { - this.texture._refs--; - const gl = this.context; - const size = this.size; - const kernel = this.kernel; - if (kernel.debug) { - console.warn('new internal texture'); - } - const target = gl.createTexture(); - selectTexture(gl, target); - gl.texImage2D(gl.TEXTURE_2D, 0, this.internalFormat, size[0], size[1], 0, this.textureFormat, this.textureType, null); - target._refs = 1; - this.texture = target; - } - - clear() { - if (this.texture._refs) { - this.texture._refs--; - const gl = this.context; - const target = this.texture = gl.createTexture(); - selectTexture(gl, target); - const size = this.size; - target._refs = 1; - gl.texImage2D(gl.TEXTURE_2D, 0, this.internalFormat, size[0], size[1], 0, this.textureFormat, this.textureType, null); - } - const { context: gl, texture } = this; - gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer()); - gl.bindTexture(gl.TEXTURE_2D, texture); - selectTexture(gl, texture); - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0); - gl.clearColor(0, 0, 0, 0); - gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); - } - - delete() { - if (this._deleted) return; - this._deleted = true; - if (this.texture._refs) { - this.texture._refs--; - if (this.texture._refs) return; - } - this.context.deleteTexture(this.texture); - } - - framebuffer() { - if (!this._framebuffer) { - this._framebuffer = this.kernel.getRawValueFramebuffer(this.size[0], this.size[1]); - } - return this._framebuffer; - } -} - -function selectTexture(gl, texture) { - gl.activeTexture(gl.TEXTURE15); - gl.bindTexture(gl.TEXTURE_2D, texture); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); -} - -module.exports = { GLTexture }; -},{"../../../texture":113}],28:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureMemoryOptimized2D extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'MemoryOptimizedNumberTexture'; - } - toArray() { - return utils.erectMemoryOptimized2DFloat(this.renderValues(), this.output[0], this.output[1]); - } -} - -module.exports = { - GLTextureMemoryOptimized2D -}; -},{"../../../utils":114,"./float":25}],29:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureMemoryOptimized3D extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'MemoryOptimizedNumberTexture'; - } - toArray() { - return utils.erectMemoryOptimized3DFloat(this.renderValues(), this.output[0], this.output[1], this.output[2]); - } -} - -module.exports = { - GLTextureMemoryOptimized3D -}; -},{"../../../utils":114,"./float":25}],30:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureFloat } = require('./float'); - -class GLTextureMemoryOptimized extends GLTextureFloat { - constructor(settings) { - super(settings); - this.type = 'MemoryOptimizedNumberTexture'; - } - toArray() { - return utils.erectMemoryOptimizedFloat(this.renderValues(), this.output[0]); - } -} - -module.exports = { - GLTextureMemoryOptimized -}; -},{"../../../utils":114,"./float":25}],31:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureUnsigned } = require('./unsigned'); - -class GLTextureUnsigned2D extends GLTextureUnsigned { - constructor(settings) { - super(settings); - this.type = 'NumberTexture'; - } - toArray() { - return utils.erect2DPackedFloat(this.renderValues(), this.output[0], this.output[1]); - } -} - -module.exports = { - GLTextureUnsigned2D -}; -},{"../../../utils":114,"./unsigned":33}],32:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTextureUnsigned } = require('./unsigned'); - -class GLTextureUnsigned3D extends GLTextureUnsigned { - constructor(settings) { - super(settings); - this.type = 'NumberTexture'; - } - toArray() { - return utils.erect3DPackedFloat(this.renderValues(), this.output[0], this.output[1], this.output[2]); - } -} - -module.exports = { - GLTextureUnsigned3D -}; -},{"../../../utils":114,"./unsigned":33}],33:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { GLTexture } = require('./index'); - -class GLTextureUnsigned extends GLTexture { - get textureType() { - return this.context.UNSIGNED_BYTE; - } - constructor(settings) { - super(settings); - this.type = 'NumberTexture'; - } - renderRawOutput() { - const { context: gl } = this; - gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer()); - gl.framebufferTexture2D( - gl.FRAMEBUFFER, - gl.COLOR_ATTACHMENT0, - gl.TEXTURE_2D, - this.texture, - 0 - ); - const result = new Uint8Array(this.size[0] * this.size[1] * 4); - gl.readPixels(0, 0, this.size[0], this.size[1], gl.RGBA, gl.UNSIGNED_BYTE, result); - return result; - } - renderValues() { - if (this._deleted) return null; - return new Float32Array(this.renderRawOutput().buffer); - } - toArray() { - return utils.erectPackedFloat(this.renderValues(), this.output[0]); - } -} - -module.exports = { - GLTextureUnsigned -}; -},{"../../../utils":114,"./index":27}],34:[function(require,module,exports){ -const getContext = require('gl'); -const { WebGLKernel } = require('../web-gl/kernel'); -const { glKernelString } = require('../gl/kernel-string'); - -let isSupported = null; -let testCanvas = null; -let testContext = null; -let testExtensions = null; -let features = null; - -class HeadlessGLKernel extends WebGLKernel { - static get isSupported() { - if (isSupported !== null) return isSupported; - this.setupFeatureChecks(); - isSupported = testContext !== null; - return isSupported; - } - - static setupFeatureChecks() { - testCanvas = null; - testExtensions = null; - if (typeof getContext !== 'function') return; - try { - testContext = getContext(2, 2, { - preserveDrawingBuffer: true - }); - if (!testContext || !testContext.getExtension) return; - testExtensions = { - STACKGL_resize_drawingbuffer: testContext.getExtension('STACKGL_resize_drawingbuffer'), - STACKGL_destroy_context: testContext.getExtension('STACKGL_destroy_context'), - OES_texture_float: testContext.getExtension('OES_texture_float'), - OES_texture_float_linear: testContext.getExtension('OES_texture_float_linear'), - OES_element_index_uint: testContext.getExtension('OES_element_index_uint'), - WEBGL_draw_buffers: testContext.getExtension('WEBGL_draw_buffers'), - WEBGL_color_buffer_float: testContext.getExtension('WEBGL_color_buffer_float'), - }; - features = this.getFeatures(); - } catch (e) { - console.warn(e); - } - } - - static isContextMatch(context) { - try { - return context.getParameter(context.RENDERER) === 'ANGLE'; - } catch (e) { - return false; - } - } - - static getIsTextureFloat() { - return Boolean(testExtensions.OES_texture_float); - } - - static getIsDrawBuffers() { - return Boolean(testExtensions.WEBGL_draw_buffers); - } - - static getChannelCount() { - return testExtensions.WEBGL_draw_buffers ? - testContext.getParameter(testExtensions.WEBGL_draw_buffers.MAX_DRAW_BUFFERS_WEBGL) : - 1; - } - - static getMaxTextureSize() { - return testContext.getParameter(testContext.MAX_TEXTURE_SIZE); - } - - static get testCanvas() { - return testCanvas; - } - - static get testContext() { - return testContext; - } - - static get features() { - return features; - } - - initCanvas() { - return {}; - } - - initContext() { - return getContext(2, 2, { - preserveDrawingBuffer: true - }); - } - - initExtensions() { - this.extensions = { - STACKGL_resize_drawingbuffer: this.context.getExtension('STACKGL_resize_drawingbuffer'), - STACKGL_destroy_context: this.context.getExtension('STACKGL_destroy_context'), - OES_texture_float: this.context.getExtension('OES_texture_float'), - OES_texture_float_linear: this.context.getExtension('OES_texture_float_linear'), - OES_element_index_uint: this.context.getExtension('OES_element_index_uint'), - WEBGL_draw_buffers: this.context.getExtension('WEBGL_draw_buffers'), - }; - } - - build() { - super.build.apply(this, arguments); - if (!this.fallbackRequested) { - this.extensions.STACKGL_resize_drawingbuffer.resize(this.maxTexSize[0], this.maxTexSize[1]); - } - } - - destroyExtensions() { - this.extensions.STACKGL_resize_drawingbuffer = null; - this.extensions.STACKGL_destroy_context = null; - this.extensions.OES_texture_float = null; - this.extensions.OES_texture_float_linear = null; - this.extensions.OES_element_index_uint = null; - this.extensions.WEBGL_draw_buffers = null; - } - - static destroyContext(context) { - const extension = context.getExtension('STACKGL_destroy_context'); - if (extension && extension.destroy) { - extension.destroy(); - } - } - - toString() { - const setupContextString = `const gl = context || require('gl')(1, 1);\n`; - const destroyContextString = ` if (!context) { gl.getExtension('STACKGL_destroy_context').destroy(); }\n`; - return glKernelString(this.constructor, arguments, this, setupContextString, destroyContextString); - } - - setOutput(output) { - super.setOutput(output); - if (this.graphical && this.extensions.STACKGL_resize_drawingbuffer) { - this.extensions.STACKGL_resize_drawingbuffer.resize(this.maxTexSize[0], this.maxTexSize[1]); - } - return this; - } -} - -module.exports = { - HeadlessGLKernel -}; -},{"../gl/kernel-string":12,"../web-gl/kernel":70,"gl":2}],35:[function(require,module,exports){ -class KernelValue { - constructor(value, settings) { - const { - name, - kernel, - context, - checkContext, - onRequestContextHandle, - onUpdateValueMismatch, - origin, - strictIntegers, - type, - tactic, - } = settings; - if (!name) { - throw new Error('name not set'); - } - if (!type) { - throw new Error('type not set'); - } - if (!origin) { - throw new Error('origin not set'); - } - if (origin !== 'user' && origin !== 'constants') { - throw new Error(`origin must be "user" or "constants" value is "${ origin }"`); - } - if (!onRequestContextHandle) { - throw new Error('onRequestContextHandle is not set'); - } - this.name = name; - this.origin = origin; - this.tactic = tactic; - this.varName = origin === 'constants' ? `constants.${name}` : name; - this.kernel = kernel; - this.strictIntegers = strictIntegers; - this.type = value.type || type; - this.size = value.size || null; - this.index = null; - this.context = context; - this.checkContext = checkContext !== null && checkContext !== undefined ? checkContext : true; - this.contextHandle = null; - this.onRequestContextHandle = onRequestContextHandle; - this.onUpdateValueMismatch = onUpdateValueMismatch; - this.forceUploadEachRun = null; - } - - get id() { - return `${this.origin}_${name}`; - } - - getSource() { - throw new Error(`"getSource" not defined on ${ this.constructor.name }`); - } - - updateValue(value) { - throw new Error(`"updateValue" not defined on ${ this.constructor.name }`); - } -} - -module.exports = { - KernelValue -}; -},{}],36:[function(require,module,exports){ -const { utils } = require('../utils'); -const { Input } = require('../input'); - -class Kernel { - static get isSupported() { - throw new Error(`"isSupported" not implemented on ${ this.name }`); - } - - static isContextMatch(context) { - throw new Error(`"isContextMatch" not implemented on ${ this.name }`); - } - - static getFeatures() { - throw new Error(`"getFeatures" not implemented on ${ this.name }`); - } - - static destroyContext(context) { - throw new Error(`"destroyContext" called on ${ this.name }`); - } - - static nativeFunctionArguments() { - throw new Error(`"nativeFunctionArguments" called on ${ this.name }`); - } - - static nativeFunctionReturnType() { - throw new Error(`"nativeFunctionReturnType" called on ${ this.name }`); - } - - static combineKernels() { - throw new Error(`"combineKernels" called on ${ this.name }`); - } - - constructor(source, settings) { - if (typeof source !== 'object') { - if (typeof source !== 'string') { - throw new Error('source not a string'); - } - if (!utils.isFunctionString(source)) { - throw new Error('source not a function string'); - } - } - this.useLegacyEncoder = false; - this.fallbackRequested = false; - this.onRequestFallback = null; - - this.argumentNames = typeof source === 'string' ? utils.getArgumentNamesFromString(source) : null; - this.argumentTypes = null; - this.argumentSizes = null; - this.argumentBitRatios = null; - this.kernelArguments = null; - this.kernelConstants = null; - this.forceUploadKernelConstants = null; - - - this.source = source; - - this.output = null; - - this.debug = false; - - this.graphical = false; - - this.loopMaxIterations = 0; - - this.constants = null; - - this.constantTypes = null; - - this.constantBitRatios = null; - - this.dynamicArguments = false; - - this.dynamicOutput = false; - - this.canvas = null; - - this.context = null; - - this.checkContext = null; - - this.gpu = null; - - this.functions = null; - - this.nativeFunctions = null; - - this.injectedNative = null; - - this.subKernels = null; - - this.validate = true; - - this.immutable = false; - - this.pipeline = false; - - this.precision = null; - - this.tactic = null; - - this.plugins = null; - - this.returnType = null; - this.leadingReturnStatement = null; - this.followingReturnStatement = null; - this.optimizeFloatMemory = null; - this.strictIntegers = false; - this.fixIntegerDivisionAccuracy = null; - this.built = false; - this.signature = null; - } - - mergeSettings(settings) { - for (let p in settings) { - if (!settings.hasOwnProperty(p) || !this.hasOwnProperty(p)) continue; - switch (p) { - case 'output': - if (!Array.isArray(settings.output)) { - this.setOutput(settings.output); - continue; - } - break; - case 'functions': - this.functions = []; - for (let i = 0; i < settings.functions.length; i++) { - this.addFunction(settings.functions[i]); - } - continue; - case 'graphical': - if (settings[p] && !settings.hasOwnProperty('precision')) { - this.precision = 'unsigned'; - } - this[p] = settings[p]; - continue; - case 'nativeFunctions': - if (!settings.nativeFunctions) continue; - this.nativeFunctions = []; - for (let i = 0; i < settings.nativeFunctions.length; i++) { - const s = settings.nativeFunctions[i]; - const { name, source } = s; - this.addNativeFunction(name, source, s); - } - continue; - } - this[p] = settings[p]; - } - - if (!this.canvas) this.canvas = this.initCanvas(); - if (!this.context) this.context = this.initContext(); - if (!this.plugins) this.plugins = this.initPlugins(settings); - } - build() { - throw new Error(`"build" not defined on ${ this.constructor.name }`); - } - - run() { - throw new Error(`"run" not defined on ${ this.constructor.name }`) - } - - initCanvas() { - throw new Error(`"initCanvas" not defined on ${ this.constructor.name }`); - } - - initContext() { - throw new Error(`"initContext" not defined on ${ this.constructor.name }`); - } - - initPlugins(settings) { - throw new Error(`"initPlugins" not defined on ${ this.constructor.name }`); - } - - addFunction(source, settings = {}) { - if (source.name && source.source && source.argumentTypes && 'returnType' in source) { - this.functions.push(source); - } else if ('settings' in source && 'source' in source) { - this.functions.push(this.functionToIGPUFunction(source.source, source.settings)); - } else if (typeof source === 'string' || typeof source === 'function') { - this.functions.push(this.functionToIGPUFunction(source, settings)); - } else { - throw new Error(`function not properly defined`); - } - return this; - } - - addNativeFunction(name, source, settings = {}) { - const { argumentTypes, argumentNames } = settings.argumentTypes ? - splitArgumentTypes(settings.argumentTypes) : - this.constructor.nativeFunctionArguments(source) || {}; - this.nativeFunctions.push({ - name, - source, - settings, - argumentTypes, - argumentNames, - returnType: settings.returnType || this.constructor.nativeFunctionReturnType(source) - }); - return this; - } - - setupArguments(args) { - this.kernelArguments = []; - if (!this.argumentTypes) { - if (!this.argumentTypes) { - this.argumentTypes = []; - for (let i = 0; i < args.length; i++) { - const argType = utils.getVariableType(args[i], this.strictIntegers); - const type = argType === 'Integer' ? 'Number' : argType; - this.argumentTypes.push(type); - this.kernelArguments.push({ - type - }); - } - } - } else { - for (let i = 0; i < this.argumentTypes.length; i++) { - this.kernelArguments.push({ - type: this.argumentTypes[i] - }); - } - } - - this.argumentSizes = new Array(args.length); - this.argumentBitRatios = new Int32Array(args.length); - - for (let i = 0; i < args.length; i++) { - const arg = args[i]; - this.argumentSizes[i] = arg.constructor === Input ? arg.size : null; - this.argumentBitRatios[i] = this.getBitRatio(arg); - } - - if (this.argumentNames.length !== args.length) { - throw new Error(`arguments are miss-aligned`); - } - } - - setupConstants() { - this.kernelConstants = []; - let needsConstantTypes = this.constantTypes === null; - if (needsConstantTypes) { - this.constantTypes = {}; - } - this.constantBitRatios = {}; - if (this.constants) { - for (let name in this.constants) { - if (needsConstantTypes) { - const type = utils.getVariableType(this.constants[name], this.strictIntegers); - this.constantTypes[name] = type; - this.kernelConstants.push({ - name, - type - }); - } else { - this.kernelConstants.push({ - name, - type: this.constantTypes[name] - }); - } - this.constantBitRatios[name] = this.getBitRatio(this.constants[name]); - } - } - } - - setOptimizeFloatMemory(flag) { - this.optimizeFloatMemory = flag; - return this; - } - - toKernelOutput(output) { - if (output.hasOwnProperty('x')) { - if (output.hasOwnProperty('y')) { - if (output.hasOwnProperty('z')) { - return [output.x, output.y, output.z]; - } else { - return [output.x, output.y]; - } - } else { - return [output.x]; - } - } else { - return output; - } - } - - setOutput(output) { - this.output = this.toKernelOutput(output); - return this; - } - - setDebug(flag) { - this.debug = flag; - return this; - } - - setGraphical(flag) { - this.graphical = flag; - this.precision = 'unsigned'; - return this; - } - - setLoopMaxIterations(max) { - this.loopMaxIterations = max; - return this; - } - - setConstants(constants) { - this.constants = constants; - return this; - } - - setConstantTypes(constantTypes) { - this.constantTypes = constantTypes; - return this; - } - - setFunctions(functions) { - for (let i = 0; i < functions.length; i++) { - this.addFunction(functions[i]); - } - return this; - } - - setNativeFunctions(nativeFunctions) { - for (let i = 0; i < nativeFunctions.length; i++) { - const settings = nativeFunctions[i]; - const { name, source } = settings; - this.addNativeFunction(name, source, settings); - } - return this; - } - - setInjectedNative(injectedNative) { - this.injectedNative = injectedNative; - return this; - } - - setPipeline(flag) { - this.pipeline = flag; - return this; - } - - setPrecision(flag) { - this.precision = flag; - return this; - } - - setDimensions(flag) { - utils.warnDeprecated('method', 'setDimensions', 'setOutput'); - this.output = flag; - return this; - } - - setOutputToTexture(flag) { - utils.warnDeprecated('method', 'setOutputToTexture', 'setPipeline'); - this.pipeline = flag; - return this; - } - - setImmutable(flag) { - this.immutable = flag; - return this; - } - - setCanvas(canvas) { - this.canvas = canvas; - return this; - } - - setStrictIntegers(flag) { - this.strictIntegers = flag; - return this; - } - - setDynamicOutput(flag) { - this.dynamicOutput = flag; - return this; - } - - setHardcodeConstants(flag) { - utils.warnDeprecated('method', 'setHardcodeConstants'); - this.setDynamicOutput(flag); - this.setDynamicArguments(flag); - return this; - } - - setDynamicArguments(flag) { - this.dynamicArguments = flag; - return this; - } - - setUseLegacyEncoder(flag) { - this.useLegacyEncoder = flag; - return this; - } - - setWarnVarUsage(flag) { - utils.warnDeprecated('method', 'setWarnVarUsage'); - return this; - } - - getCanvas() { - utils.warnDeprecated('method', 'getCanvas'); - return this.canvas; - } - - getWebGl() { - utils.warnDeprecated('method', 'getWebGl'); - return this.context; - } - - setContext(context) { - this.context = context; - return this; - } - - setArgumentTypes(argumentTypes) { - if (Array.isArray(argumentTypes)) { - this.argumentTypes = argumentTypes; - } else { - this.argumentTypes = []; - for (const p in argumentTypes) { - if (!argumentTypes.hasOwnProperty(p)) continue; - const argumentIndex = this.argumentNames.indexOf(p); - if (argumentIndex === -1) throw new Error(`unable to find argument ${ p }`); - this.argumentTypes[argumentIndex] = argumentTypes[p]; - } - } - return this; - } - - setTactic(tactic) { - this.tactic = tactic; - return this; - } - - requestFallback(args) { - if (!this.onRequestFallback) { - throw new Error(`"onRequestFallback" not defined on ${ this.constructor.name }`); - } - this.fallbackRequested = true; - return this.onRequestFallback(args); - } - - validateSettings() { - throw new Error(`"validateSettings" not defined on ${ this.constructor.name }`); - } - - addSubKernel(subKernel) { - if (this.subKernels === null) { - this.subKernels = []; - } - if (!subKernel.source) throw new Error('subKernel missing "source" property'); - if (!subKernel.property && isNaN(subKernel.property)) throw new Error('subKernel missing "property" property'); - if (!subKernel.name) throw new Error('subKernel missing "name" property'); - this.subKernels.push(subKernel); - return this; - } - - destroy(removeCanvasReferences) { - throw new Error(`"destroy" called on ${ this.constructor.name }`); - } - - getBitRatio(value) { - if (this.precision === 'single') { - return 4; - } else if (Array.isArray(value[0])) { - return this.getBitRatio(value[0]); - } else if (value.constructor === Input) { - return this.getBitRatio(value.value); - } - switch (value.constructor) { - case Uint8ClampedArray: - case Uint8Array: - case Int8Array: - return 1; - case Uint16Array: - case Int16Array: - return 2; - case Float32Array: - case Int32Array: - default: - return 4; - } - } - - getPixels(flip) { - throw new Error(`"getPixels" called on ${ this.constructor.name }`); - } - - checkOutput() { - if (!this.output || !utils.isArray(this.output)) throw new Error('kernel.output not an array'); - if (this.output.length < 1) throw new Error('kernel.output is empty, needs at least 1 value'); - for (let i = 0; i < this.output.length; i++) { - if (isNaN(this.output[i]) || this.output[i] < 1) { - throw new Error(`${ this.constructor.name }.output[${ i }] incorrectly defined as \`${ this.output[i] }\`, needs to be numeric, and greater than 0`); - } - } - } - - prependString(value) { - throw new Error(`"prependString" called on ${ this.constructor.name }`); - } - - hasPrependString(value) { - throw new Error(`"hasPrependString" called on ${ this.constructor.name }`); - } - - toJSON() { - return { - settings: { - output: this.output, - pipeline: this.pipeline, - argumentNames: this.argumentNames, - argumentsTypes: this.argumentTypes, - constants: this.constants, - pluginNames: this.plugins ? this.plugins.map(plugin => plugin.name) : null, - returnType: this.returnType, - } - }; - } - - buildSignature(args) { - const Constructor = this.constructor; - this.signature = Constructor.getSignature(this, Constructor.getArgumentTypes(this, args)); - } - - static getArgumentTypes(kernel, args) { - const argumentTypes = new Array(args.length); - for (let i = 0; i < args.length; i++) { - const arg = args[i]; - const type = kernel.argumentTypes[i]; - if (arg.type) { - argumentTypes[i] = arg.type; - } else { - switch (type) { - case 'Number': - case 'Integer': - case 'Float': - case 'ArrayTexture(1)': - argumentTypes[i] = utils.getVariableType(arg); - break; - default: - argumentTypes[i] = type; - } - } - } - return argumentTypes; - } - - static getSignature(kernel, argumentTypes) { - throw new Error(`"getSignature" not implemented on ${ this.name }`); - } - - functionToIGPUFunction(source, settings = {}) { - if (typeof source !== 'string' && typeof source !== 'function') throw new Error('source not a string or function'); - const sourceString = typeof source === 'string' ? source : source.toString(); - let argumentTypes = []; - - if (Array.isArray(settings.argumentTypes)) { - argumentTypes = settings.argumentTypes; - } else if (typeof settings.argumentTypes === 'object') { - argumentTypes = utils.getArgumentNamesFromString(sourceString) - .map(name => settings.argumentTypes[name]) || []; - } else { - argumentTypes = settings.argumentTypes || []; - } - - return { - name: utils.getFunctionNameFromString(sourceString) || null, - source: sourceString, - argumentTypes, - returnType: settings.returnType || null, - }; - } - - onActivate(previousKernel) {} -} - -function splitArgumentTypes(argumentTypesObject) { - const argumentNames = Object.keys(argumentTypesObject); - const argumentTypes = []; - for (let i = 0; i < argumentNames.length; i++) { - const argumentName = argumentNames[i]; - argumentTypes.push(argumentTypesObject[argumentName]); - } - return { argumentTypes, argumentNames }; -} - -module.exports = { - Kernel -}; -},{"../input":110,"../utils":114}],37:[function(require,module,exports){ -const fragmentShader = `__HEADER__; -__FLOAT_TACTIC_DECLARATION__; -__INT_TACTIC_DECLARATION__; -__SAMPLER_2D_TACTIC_DECLARATION__; - -const int LOOP_MAX = __LOOP_MAX__; - -__PLUGINS__; -__CONSTANTS__; - -varying vec2 vTexCoord; - -float acosh(float x) { - return log(x + sqrt(x * x - 1.0)); -} - -float sinh(float x) { - return (pow(${Math.E}, x) - pow(${Math.E}, -x)) / 2.0; -} - -float asinh(float x) { - return log(x + sqrt(x * x + 1.0)); -} - -float atan2(float v1, float v2) { - if (v1 == 0.0 || v2 == 0.0) return 0.0; - return atan(v1 / v2); -} - -float atanh(float x) { - x = (x + 1.0) / (x - 1.0); - if (x < 0.0) { - return 0.5 * log(-x); - } - return 0.5 * log(x); -} - -float cbrt(float x) { - if (x >= 0.0) { - return pow(x, 1.0 / 3.0); - } else { - return -pow(x, 1.0 / 3.0); - } -} - -float cosh(float x) { - return (pow(${Math.E}, x) + pow(${Math.E}, -x)) / 2.0; -} - -float expm1(float x) { - return pow(${Math.E}, x) - 1.0; -} - -float fround(highp float x) { - return x; -} - -float imul(float v1, float v2) { - return float(int(v1) * int(v2)); -} - -float log10(float x) { - return log2(x) * (1.0 / log2(10.0)); -} - -float log1p(float x) { - return log(1.0 + x); -} - -float _pow(float v1, float v2) { - if (v2 == 0.0) return 1.0; - return pow(v1, v2); -} - -float tanh(float x) { - float e = exp(2.0 * x); - return (e - 1.0) / (e + 1.0); -} - -float trunc(float x) { - if (x >= 0.0) { - return floor(x); - } else { - return ceil(x); - } -} - -vec4 _round(vec4 x) { - return floor(x + 0.5); -} - -float _round(float x) { - return floor(x + 0.5); -} - -const int BIT_COUNT = 32; -int modi(int x, int y) { - return x - y * (x / y); -} - -int bitwiseOr(int a, int b) { - int result = 0; - int n = 1; - - for (int i = 0; i < BIT_COUNT; i++) { - if ((modi(a, 2) == 1) || (modi(b, 2) == 1)) { - result += n; - } - a = a / 2; - b = b / 2; - n = n * 2; - if(!(a > 0 || b > 0)) { - break; - } - } - return result; -} -int bitwiseXOR(int a, int b) { - int result = 0; - int n = 1; - - for (int i = 0; i < BIT_COUNT; i++) { - if ((modi(a, 2) == 1) != (modi(b, 2) == 1)) { - result += n; - } - a = a / 2; - b = b / 2; - n = n * 2; - if(!(a > 0 || b > 0)) { - break; - } - } - return result; -} -int bitwiseAnd(int a, int b) { - int result = 0; - int n = 1; - for (int i = 0; i < BIT_COUNT; i++) { - if ((modi(a, 2) == 1) && (modi(b, 2) == 1)) { - result += n; - } - a = a / 2; - b = b / 2; - n = n * 2; - if(!(a > 0 && b > 0)) { - break; - } - } - return result; -} -int bitwiseNot(int a) { - int result = 0; - int n = 1; - - for (int i = 0; i < BIT_COUNT; i++) { - if (modi(a, 2) == 0) { - result += n; - } - a = a / 2; - n = n * 2; - } - return result; -} -int bitwiseZeroFillLeftShift(int n, int shift) { - int maxBytes = BIT_COUNT; - for (int i = 0; i < BIT_COUNT; i++) { - if (maxBytes >= n) { - break; - } - maxBytes *= 2; - } - for (int i = 0; i < BIT_COUNT; i++) { - if (i >= shift) { - break; - } - n *= 2; - } - - int result = 0; - int byteVal = 1; - for (int i = 0; i < BIT_COUNT; i++) { - if (i >= maxBytes) break; - if (modi(n, 2) > 0) { result += byteVal; } - n = int(n / 2); - byteVal *= 2; - } - return result; -} - -int bitwiseSignedRightShift(int num, int shifts) { - return int(floor(float(num) / pow(2.0, float(shifts)))); -} - -int bitwiseZeroFillRightShift(int n, int shift) { - int maxBytes = BIT_COUNT; - for (int i = 0; i < BIT_COUNT; i++) { - if (maxBytes >= n) { - break; - } - maxBytes *= 2; - } - for (int i = 0; i < BIT_COUNT; i++) { - if (i >= shift) { - break; - } - n /= 2; - } - int result = 0; - int byteVal = 1; - for (int i = 0; i < BIT_COUNT; i++) { - if (i >= maxBytes) break; - if (modi(n, 2) > 0) { result += byteVal; } - n = int(n / 2); - byteVal *= 2; - } - return result; -} - -vec2 integerMod(vec2 x, float y) { - vec2 res = floor(mod(x, y)); - return res * step(1.0 - floor(y), -res); -} - -vec3 integerMod(vec3 x, float y) { - vec3 res = floor(mod(x, y)); - return res * step(1.0 - floor(y), -res); -} - -vec4 integerMod(vec4 x, vec4 y) { - vec4 res = floor(mod(x, y)); - return res * step(1.0 - floor(y), -res); -} - -float integerMod(float x, float y) { - float res = floor(mod(x, y)); - return res * (res > floor(y) - 1.0 ? 0.0 : 1.0); -} - -int integerMod(int x, int y) { - return x - (y * int(x / y)); -} - -__DIVIDE_WITH_INTEGER_CHECK__; - -// Here be dragons! -// DO NOT OPTIMIZE THIS CODE -// YOU WILL BREAK SOMETHING ON SOMEBODY\'S MACHINE -// LEAVE IT AS IT IS, LEST YOU WASTE YOUR OWN TIME -const vec2 MAGIC_VEC = vec2(1.0, -256.0); -const vec4 SCALE_FACTOR = vec4(1.0, 256.0, 65536.0, 0.0); -const vec4 SCALE_FACTOR_INV = vec4(1.0, 0.00390625, 0.0000152587890625, 0.0); // 1, 1/256, 1/65536 -float decode32(vec4 texel) { - __DECODE32_ENDIANNESS__; - texel *= 255.0; - vec2 gte128; - gte128.x = texel.b >= 128.0 ? 1.0 : 0.0; - gte128.y = texel.a >= 128.0 ? 1.0 : 0.0; - float exponent = 2.0 * texel.a - 127.0 + dot(gte128, MAGIC_VEC); - float res = exp2(_round(exponent)); - texel.b = texel.b - 128.0 * gte128.x; - res = dot(texel, SCALE_FACTOR) * exp2(_round(exponent-23.0)) + res; - res *= gte128.y * -2.0 + 1.0; - return res; -} - -float decode16(vec4 texel, int index) { - int channel = integerMod(index, 2); - if (channel == 0) return texel.r * 255.0 + texel.g * 65280.0; - if (channel == 1) return texel.b * 255.0 + texel.a * 65280.0; - return 0.0; -} - -float decode8(vec4 texel, int index) { - int channel = integerMod(index, 4); - if (channel == 0) return texel.r * 255.0; - if (channel == 1) return texel.g * 255.0; - if (channel == 2) return texel.b * 255.0; - if (channel == 3) return texel.a * 255.0; - return 0.0; -} - -vec4 legacyEncode32(float f) { - float F = abs(f); - float sign = f < 0.0 ? 1.0 : 0.0; - float exponent = floor(log2(F)); - float mantissa = (exp2(-exponent) * F); - // exponent += floor(log2(mantissa)); - vec4 texel = vec4(F * exp2(23.0-exponent)) * SCALE_FACTOR_INV; - texel.rg = integerMod(texel.rg, 256.0); - texel.b = integerMod(texel.b, 128.0); - texel.a = exponent*0.5 + 63.5; - texel.ba += vec2(integerMod(exponent+127.0, 2.0), sign) * 128.0; - texel = floor(texel); - texel *= 0.003921569; // 1/255 - __ENCODE32_ENDIANNESS__; - return texel; -} - -// https://github.com/gpujs/gpu.js/wiki/Encoder-details -vec4 encode32(float value) { - if (value == 0.0) return vec4(0, 0, 0, 0); - - float exponent; - float mantissa; - vec4 result; - float sgn; - - sgn = step(0.0, -value); - value = abs(value); - - exponent = floor(log2(value)); - - mantissa = value*pow(2.0, -exponent)-1.0; - exponent = exponent+127.0; - result = vec4(0,0,0,0); - - result.a = floor(exponent/2.0); - exponent = exponent - result.a*2.0; - result.a = result.a + 128.0*sgn; - - result.b = floor(mantissa * 128.0); - mantissa = mantissa - result.b / 128.0; - result.b = result.b + exponent*128.0; - - result.g = floor(mantissa*32768.0); - mantissa = mantissa - result.g/32768.0; - - result.r = floor(mantissa*8388608.0); - return result/255.0; -} -// Dragons end here - -int index; -ivec3 threadId; - -ivec3 indexTo3D(int idx, ivec3 texDim) { - int z = int(idx / (texDim.x * texDim.y)); - idx -= z * int(texDim.x * texDim.y); - int y = int(idx / texDim.x); - int x = int(integerMod(idx, texDim.x)); - return ivec3(x, y, z); -} - -float get32(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture2D(tex, st / vec2(texSize)); - return decode32(texel); -} - -float get16(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int w = texSize.x * 2; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture2D(tex, st / vec2(texSize.x * 2, texSize.y)); - return decode16(texel, index); -} - -float get8(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int w = texSize.x * 4; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture2D(tex, st / vec2(texSize.x * 4, texSize.y)); - return decode8(texel, index); -} - -float getMemoryOptimized32(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int channel = integerMod(index, 4); - index = index / 4; - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture2D(tex, st / vec2(texSize)); - if (channel == 0) return texel.r; - if (channel == 1) return texel.g; - if (channel == 2) return texel.b; - if (channel == 3) return texel.a; - return 0.0; -} - -vec4 getImage2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - return texture2D(tex, st / vec2(texSize)); -} - -float getFloatFromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - vec4 result = getImage2D(tex, texSize, texDim, z, y, x); - return result[0]; -} - -vec2 getVec2FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - vec4 result = getImage2D(tex, texSize, texDim, z, y, x); - return vec2(result[0], result[1]); -} - -vec2 getMemoryOptimizedVec2(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + (texDim.x * (y + (texDim.y * z))); - int channel = integerMod(index, 2); - index = index / 2; - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture2D(tex, st / vec2(texSize)); - if (channel == 0) return vec2(texel.r, texel.g); - if (channel == 1) return vec2(texel.b, texel.a); - return vec2(0.0, 0.0); -} - -vec3 getVec3FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - vec4 result = getImage2D(tex, texSize, texDim, z, y, x); - return vec3(result[0], result[1], result[2]); -} - -vec3 getMemoryOptimizedVec3(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int fieldIndex = 3 * (x + texDim.x * (y + texDim.y * z)); - int vectorIndex = fieldIndex / 4; - int vectorOffset = fieldIndex - vectorIndex * 4; - int readY = vectorIndex / texSize.x; - int readX = vectorIndex - readY * texSize.x; - vec4 tex1 = texture2D(tex, (vec2(readX, readY) + 0.5) / vec2(texSize)); - - if (vectorOffset == 0) { - return tex1.xyz; - } else if (vectorOffset == 1) { - return tex1.yzw; - } else { - readX++; - if (readX >= texSize.x) { - readX = 0; - readY++; - } - vec4 tex2 = texture2D(tex, vec2(readX, readY) / vec2(texSize)); - if (vectorOffset == 2) { - return vec3(tex1.z, tex1.w, tex2.x); - } else { - return vec3(tex1.w, tex2.x, tex2.y); - } - } -} - -vec4 getVec4FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - return getImage2D(tex, texSize, texDim, z, y, x); -} - -vec4 getMemoryOptimizedVec4(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int channel = integerMod(index, 2); - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture2D(tex, st / vec2(texSize)); - return vec4(texel.r, texel.g, texel.b, texel.a); -} - -vec4 actualColor; -void color(float r, float g, float b, float a) { - actualColor = vec4(r,g,b,a); -} - -void color(float r, float g, float b) { - color(r,g,b,1.0); -} - -void color(sampler2D image) { - actualColor = texture2D(image, vTexCoord); -} - -float modulo(float number, float divisor) { - if (number < 0.0) { - number = abs(number); - if (divisor < 0.0) { - divisor = abs(divisor); - } - return -mod(number, divisor); - } - if (divisor < 0.0) { - divisor = abs(divisor); - } - return mod(number, divisor); -} - -__INJECTED_NATIVE__; -__MAIN_CONSTANTS__; -__MAIN_ARGUMENTS__; -__KERNEL__; - -void main(void) { - index = int(vTexCoord.s * float(uTexSize.x)) + int(vTexCoord.t * float(uTexSize.y)) * uTexSize.x; - __MAIN_RESULT__; -}`; - -module.exports = { - fragmentShader -}; -},{}],38:[function(require,module,exports){ -const { utils } = require('../../utils'); -const { FunctionNode } = require('../function-node'); - -class WebGLFunctionNode extends FunctionNode { - constructor(source, settings) { - super(source, settings); - if (settings && settings.hasOwnProperty('fixIntegerDivisionAccuracy')) { - this.fixIntegerDivisionAccuracy = settings.fixIntegerDivisionAccuracy; - } - } - - astConditionalExpression(ast, retArr) { - if (ast.type !== 'ConditionalExpression') { - throw this.astErrorOutput('Not a conditional expression', ast); - } - const consequentType = this.getType(ast.consequent); - const alternateType = this.getType(ast.alternate); - if (consequentType === null && alternateType === null) { - retArr.push('if ('); - this.astGeneric(ast.test, retArr); - retArr.push(') {'); - this.astGeneric(ast.consequent, retArr); - retArr.push(';'); - retArr.push('} else {'); - this.astGeneric(ast.alternate, retArr); - retArr.push(';'); - retArr.push('}'); - return retArr; - } - retArr.push('('); - this.astGeneric(ast.test, retArr); - retArr.push('?'); - this.astGeneric(ast.consequent, retArr); - retArr.push(':'); - this.astGeneric(ast.alternate, retArr); - retArr.push(')'); - return retArr; - } - - astFunction(ast, retArr) { - if (this.isRootKernel) { - retArr.push('void'); - } else { - if (!this.returnType) { - const lastReturn = this.findLastReturn(); - if (lastReturn) { - this.returnType = this.getType(ast.body); - if (this.returnType === 'LiteralInteger') { - this.returnType = 'Number'; - } - } - } - - const { returnType } = this; - if (!returnType) { - retArr.push('void'); - } else { - const type = typeMap[returnType]; - if (!type) { - throw new Error(`unknown type ${returnType}`); - } - retArr.push(type); - } - } - retArr.push(' '); - retArr.push(this.name); - retArr.push('('); - - if (!this.isRootKernel) { - for (let i = 0; i < this.argumentNames.length; ++i) { - const argumentName = this.argumentNames[i]; - - if (i > 0) { - retArr.push(', '); - } - let argumentType = this.argumentTypes[this.argumentNames.indexOf(argumentName)]; - if (!argumentType) { - throw this.astErrorOutput(`Unknown argument ${argumentName} type`, ast); - } - if (argumentType === 'LiteralInteger') { - this.argumentTypes[i] = argumentType = 'Number'; - } - const type = typeMap[argumentType]; - if (!type) { - throw this.astErrorOutput('Unexpected expression', ast); - } - const name = utils.sanitizeName(argumentName); - if (type === 'sampler2D' || type === 'sampler2DArray') { - retArr.push(`${type} user_${name},ivec2 user_${name}Size,ivec3 user_${name}Dim`); - } else { - retArr.push(`${type} user_${name}`); - } - } - } - - retArr.push(') {\n'); - - for (let i = 0; i < ast.body.body.length; ++i) { - this.astGeneric(ast.body.body[i], retArr); - retArr.push('\n'); - } - - retArr.push('}\n'); - return retArr; - } - - astReturnStatement(ast, retArr) { - if (!ast.argument) throw this.astErrorOutput('Unexpected return statement', ast); - this.pushState('skip-literal-correction'); - const type = this.getType(ast.argument); - this.popState('skip-literal-correction'); - - const result = []; - - if (!this.returnType) { - if (type === 'LiteralInteger' || type === 'Integer') { - this.returnType = 'Number'; - } else { - this.returnType = type; - } - } - - switch (this.returnType) { - case 'LiteralInteger': - case 'Number': - case 'Float': - switch (type) { - case 'Integer': - result.push('float('); - this.astGeneric(ast.argument, result); - result.push(')'); - break; - case 'LiteralInteger': - this.castLiteralToFloat(ast.argument, result); - - if (this.getType(ast) === 'Integer') { - result.unshift('float('); - result.push(')'); - } - break; - default: - this.astGeneric(ast.argument, result); - } - break; - case 'Integer': - switch (type) { - case 'Float': - case 'Number': - this.castValueToInteger(ast.argument, result); - break; - case 'LiteralInteger': - this.castLiteralToInteger(ast.argument, result); - break; - default: - this.astGeneric(ast.argument, result); - } - break; - case 'Array(4)': - case 'Array(3)': - case 'Array(2)': - case 'Matrix(2)': - case 'Matrix(3)': - case 'Matrix(4)': - case 'Input': - this.astGeneric(ast.argument, result); - break; - default: - throw this.astErrorOutput(`unhandled return type ${this.returnType}`, ast); - } - - if (this.isRootKernel) { - retArr.push(`kernelResult = ${ result.join('') };`); - retArr.push('return;'); - } else if (this.isSubKernel) { - retArr.push(`subKernelResult_${ this.name } = ${ result.join('') };`); - retArr.push(`return subKernelResult_${ this.name };`); - } else { - retArr.push(`return ${ result.join('') };`); - } - return retArr; - } - - astLiteral(ast, retArr) { - if (isNaN(ast.value)) { - throw this.astErrorOutput( - 'Non-numeric literal not supported : ' + ast.value, - ast - ); - } - - const key = this.astKey(ast); - if (Number.isInteger(ast.value)) { - if (this.isState('casting-to-integer') || this.isState('building-integer')) { - this.literalTypes[key] = 'Integer'; - retArr.push(`${ast.value}`); - } else if (this.isState('casting-to-float') || this.isState('building-float')) { - this.literalTypes[key] = 'Number'; - retArr.push(`${ast.value}.0`); - } else { - this.literalTypes[key] = 'Number'; - retArr.push(`${ast.value}.0`); - } - } else if (this.isState('casting-to-integer') || this.isState('building-integer')) { - this.literalTypes[key] = 'Integer'; - retArr.push(Math.round(ast.value)); - } else { - this.literalTypes[key] = 'Number'; - retArr.push(`${ast.value}`); - } - return retArr; - } - - astBinaryExpression(ast, retArr) { - if (this.checkAndUpconvertOperator(ast, retArr)) { - return retArr; - } - - if (this.fixIntegerDivisionAccuracy && ast.operator === '/') { - retArr.push('divWithIntCheck('); - this.pushState('building-float'); - switch (this.getType(ast.left)) { - case 'Integer': - this.castValueToFloat(ast.left, retArr); - break; - case 'LiteralInteger': - this.castLiteralToFloat(ast.left, retArr); - break; - default: - this.astGeneric(ast.left, retArr); - } - retArr.push(', '); - switch (this.getType(ast.right)) { - case 'Integer': - this.castValueToFloat(ast.right, retArr); - break; - case 'LiteralInteger': - this.castLiteralToFloat(ast.right, retArr); - break; - default: - this.astGeneric(ast.right, retArr); - } - this.popState('building-float'); - retArr.push(')'); - return retArr; - } - - retArr.push('('); - const leftType = this.getType(ast.left) || 'Number'; - const rightType = this.getType(ast.right) || 'Number'; - if (!leftType || !rightType) { - throw this.astErrorOutput(`Unhandled binary expression`, ast); - } - const key = leftType + ' & ' + rightType; - switch (key) { - case 'Integer & Integer': - this.pushState('building-integer'); - this.astGeneric(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.astGeneric(ast.right, retArr); - this.popState('building-integer'); - break; - case 'Number & Float': - case 'Float & Number': - case 'Float & Float': - case 'Number & Number': - this.pushState('building-float'); - this.astGeneric(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.astGeneric(ast.right, retArr); - this.popState('building-float'); - break; - case 'LiteralInteger & LiteralInteger': - if (this.isState('casting-to-integer') || this.isState('building-integer')) { - this.pushState('building-integer'); - this.astGeneric(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.astGeneric(ast.right, retArr); - this.popState('building-integer'); - } else { - this.pushState('building-float'); - this.castLiteralToFloat(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.castLiteralToFloat(ast.right, retArr); - this.popState('building-float'); - } - break; - - case 'Integer & Float': - case 'Integer & Number': - if (ast.operator === '>' || ast.operator === '<' && ast.right.type === 'Literal') { - if (!Number.isInteger(ast.right.value)) { - this.pushState('building-float'); - this.castValueToFloat(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.astGeneric(ast.right, retArr); - this.popState('building-float'); - break; - } - } - this.pushState('building-integer'); - this.astGeneric(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.pushState('casting-to-integer'); - if (ast.right.type === 'Literal') { - const literalResult = []; - this.astGeneric(ast.right, literalResult); - const literalType = this.getType(ast.right); - if (literalType === 'Integer') { - retArr.push(literalResult.join('')); - } else { - throw this.astErrorOutput(`Unhandled binary expression with literal`, ast); - } - } else { - retArr.push('int('); - this.astGeneric(ast.right, retArr); - retArr.push(')'); - } - this.popState('casting-to-integer'); - this.popState('building-integer'); - break; - case 'Integer & LiteralInteger': - this.pushState('building-integer'); - this.astGeneric(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.castLiteralToInteger(ast.right, retArr); - this.popState('building-integer'); - break; - - case 'Number & Integer': - this.pushState('building-float'); - this.astGeneric(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.castValueToFloat(ast.right, retArr); - this.popState('building-float'); - break; - case 'Float & LiteralInteger': - case 'Number & LiteralInteger': - this.pushState('building-float'); - this.astGeneric(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.castLiteralToFloat(ast.right, retArr); - this.popState('building-float'); - break; - case 'LiteralInteger & Float': - case 'LiteralInteger & Number': - if (this.isState('casting-to-integer')) { - this.pushState('building-integer'); - this.castLiteralToInteger(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.castValueToInteger(ast.right, retArr); - this.popState('building-integer'); - } else { - this.pushState('building-float'); - this.astGeneric(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.pushState('casting-to-float'); - this.astGeneric(ast.right, retArr); - this.popState('casting-to-float'); - this.popState('building-float'); - } - break; - case 'LiteralInteger & Integer': - this.pushState('building-integer'); - this.castLiteralToInteger(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.astGeneric(ast.right, retArr); - this.popState('building-integer'); - break; - - case 'Boolean & Boolean': - this.pushState('building-boolean'); - this.astGeneric(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.astGeneric(ast.right, retArr); - this.popState('building-boolean'); - break; - - case 'Float & Integer': - this.pushState('building-float'); - this.astGeneric(ast.left, retArr); - retArr.push(operatorMap[ast.operator] || ast.operator); - this.castValueToFloat(ast.right, retArr); - this.popState('building-float'); - break; - - default: - throw this.astErrorOutput(`Unhandled binary expression between ${key}`, ast); - } - retArr.push(')'); - - return retArr; - } - - checkAndUpconvertOperator(ast, retArr) { - const bitwiseResult = this.checkAndUpconvertBitwiseOperators(ast, retArr); - if (bitwiseResult) { - return bitwiseResult; - } - const upconvertableOperators = { - '%': this.fixIntegerDivisionAccuracy ? 'integerCorrectionModulo' : 'modulo', - '**': 'pow', - }; - const foundOperator = upconvertableOperators[ast.operator]; - if (!foundOperator) return null; - retArr.push(foundOperator); - retArr.push('('); - switch (this.getType(ast.left)) { - case 'Integer': - this.castValueToFloat(ast.left, retArr); - break; - case 'LiteralInteger': - this.castLiteralToFloat(ast.left, retArr); - break; - default: - this.astGeneric(ast.left, retArr); - } - retArr.push(','); - switch (this.getType(ast.right)) { - case 'Integer': - this.castValueToFloat(ast.right, retArr); - break; - case 'LiteralInteger': - this.castLiteralToFloat(ast.right, retArr); - break; - default: - this.astGeneric(ast.right, retArr); - } - retArr.push(')'); - return retArr; - } - - checkAndUpconvertBitwiseOperators(ast, retArr) { - const upconvertableOperators = { - '&': 'bitwiseAnd', - '|': 'bitwiseOr', - '^': 'bitwiseXOR', - '<<': 'bitwiseZeroFillLeftShift', - '>>': 'bitwiseSignedRightShift', - '>>>': 'bitwiseZeroFillRightShift', - }; - const foundOperator = upconvertableOperators[ast.operator]; - if (!foundOperator) return null; - retArr.push(foundOperator); - retArr.push('('); - const leftType = this.getType(ast.left); - switch (leftType) { - case 'Number': - case 'Float': - this.castValueToInteger(ast.left, retArr); - break; - case 'LiteralInteger': - this.castLiteralToInteger(ast.left, retArr); - break; - default: - this.astGeneric(ast.left, retArr); - } - retArr.push(','); - const rightType = this.getType(ast.right); - switch (rightType) { - case 'Number': - case 'Float': - this.castValueToInteger(ast.right, retArr); - break; - case 'LiteralInteger': - this.castLiteralToInteger(ast.right, retArr); - break; - default: - this.astGeneric(ast.right, retArr); - } - retArr.push(')'); - return retArr; - } - - checkAndUpconvertBitwiseUnary(ast, retArr) { - const upconvertableOperators = { - '~': 'bitwiseNot', - }; - const foundOperator = upconvertableOperators[ast.operator]; - if (!foundOperator) return null; - retArr.push(foundOperator); - retArr.push('('); - switch (this.getType(ast.argument)) { - case 'Number': - case 'Float': - this.castValueToInteger(ast.argument, retArr); - break; - case 'LiteralInteger': - this.castLiteralToInteger(ast.argument, retArr); - break; - default: - this.astGeneric(ast.argument, retArr); - } - retArr.push(')'); - return retArr; - } - - castLiteralToInteger(ast, retArr) { - this.pushState('casting-to-integer'); - this.astGeneric(ast, retArr); - this.popState('casting-to-integer'); - return retArr; - } - - castLiteralToFloat(ast, retArr) { - this.pushState('casting-to-float'); - this.astGeneric(ast, retArr); - this.popState('casting-to-float'); - return retArr; - } - - castValueToInteger(ast, retArr) { - this.pushState('casting-to-integer'); - retArr.push('int('); - this.astGeneric(ast, retArr); - retArr.push(')'); - this.popState('casting-to-integer'); - return retArr; - } - - castValueToFloat(ast, retArr) { - this.pushState('casting-to-float'); - retArr.push('float('); - this.astGeneric(ast, retArr); - retArr.push(')'); - this.popState('casting-to-float'); - return retArr; - } - - astIdentifierExpression(idtNode, retArr) { - if (idtNode.type !== 'Identifier') { - throw this.astErrorOutput('IdentifierExpression - not an Identifier', idtNode); - } - - const type = this.getType(idtNode); - - const name = utils.sanitizeName(idtNode.name); - if (idtNode.name === 'Infinity') { - retArr.push('3.402823466e+38'); - } else if (type === 'Boolean') { - if (this.argumentNames.indexOf(name) > -1) { - retArr.push(`bool(user_${name})`); - } else { - retArr.push(`user_${name}`); - } - } else { - retArr.push(`user_${name}`); - } - - return retArr; - } - - astForStatement(forNode, retArr) { - if (forNode.type !== 'ForStatement') { - throw this.astErrorOutput('Invalid for statement', forNode); - } - - const initArr = []; - const testArr = []; - const updateArr = []; - const bodyArr = []; - let isSafe = null; - - if (forNode.init) { - const { declarations } = forNode.init; - if (declarations.length > 1) { - isSafe = false; - } - this.astGeneric(forNode.init, initArr); - for (let i = 0; i < declarations.length; i++) { - if (declarations[i].init && declarations[i].init.type !== 'Literal') { - isSafe = false; - } - } - } else { - isSafe = false; - } - - if (forNode.test) { - this.astGeneric(forNode.test, testArr); - } else { - isSafe = false; - } - - if (forNode.update) { - this.astGeneric(forNode.update, updateArr); - } else { - isSafe = false; - } - - if (forNode.body) { - this.pushState('loop-body'); - this.astGeneric(forNode.body, bodyArr); - this.popState('loop-body'); - } - - if (isSafe === null) { - isSafe = this.isSafe(forNode.init) && this.isSafe(forNode.test); - } - - if (isSafe) { - const initString = initArr.join(''); - const initNeedsSemiColon = initString[initString.length - 1] !== ';'; - retArr.push(`for (${initString}${initNeedsSemiColon ? ';' : ''}${testArr.join('')};${updateArr.join('')}){\n`); - retArr.push(bodyArr.join('')); - retArr.push('}\n'); - } else { - const iVariableName = this.getInternalVariableName('safeI'); - if (initArr.length > 0) { - retArr.push(initArr.join(''), '\n'); - } - retArr.push(`for (int ${iVariableName}=0;${iVariableName} 0) { - retArr.push(`if (!${testArr.join('')}) break;\n`); - } - retArr.push(bodyArr.join('')); - retArr.push(`\n${updateArr.join('')};`); - retArr.push('}\n'); - } - return retArr; - } - - astWhileStatement(whileNode, retArr) { - if (whileNode.type !== 'WhileStatement') { - throw this.astErrorOutput('Invalid while statement', whileNode); - } - - const iVariableName = this.getInternalVariableName('safeI'); - retArr.push(`for (int ${iVariableName}=0;${iVariableName} 0) { - declarationSets.push(declarationSet.join(',')); - } - - result.push(declarationSets.join(';')); - - retArr.push(result.join('')); - retArr.push(';'); - return retArr; - } - - astIfStatement(ifNode, retArr) { - retArr.push('if ('); - this.astGeneric(ifNode.test, retArr); - retArr.push(')'); - if (ifNode.consequent.type === 'BlockStatement') { - this.astGeneric(ifNode.consequent, retArr); - } else { - retArr.push(' {\n'); - this.astGeneric(ifNode.consequent, retArr); - retArr.push('\n}\n'); - } - - if (ifNode.alternate) { - retArr.push('else '); - if (ifNode.alternate.type === 'BlockStatement' || ifNode.alternate.type === 'IfStatement') { - this.astGeneric(ifNode.alternate, retArr); - } else { - retArr.push(' {\n'); - this.astGeneric(ifNode.alternate, retArr); - retArr.push('\n}\n'); - } - } - return retArr; - } - - astSwitchStatement(ast, retArr) { - if (ast.type !== 'SwitchStatement') { - throw this.astErrorOutput('Invalid switch statement', ast); - } - const { discriminant, cases } = ast; - const type = this.getType(discriminant); - const varName = `switchDiscriminant${this.astKey(ast, '_')}`; - switch (type) { - case 'Float': - case 'Number': - retArr.push(`float ${varName} = `); - this.astGeneric(discriminant, retArr); - retArr.push(';\n'); - break; - case 'Integer': - retArr.push(`int ${varName} = `); - this.astGeneric(discriminant, retArr); - retArr.push(';\n'); - break; - } - if (cases.length === 1 && !cases[0].test) { - this.astGeneric(cases[0].consequent, retArr); - return retArr; - } - - let fallingThrough = false; - let defaultResult = []; - let movingDefaultToEnd = false; - let pastFirstIf = false; - for (let i = 0; i < cases.length; i++) { - if (!cases[i].test) { - if (cases.length > i + 1) { - movingDefaultToEnd = true; - this.astGeneric(cases[i].consequent, defaultResult); - continue; - } else { - retArr.push(' else {\n'); - } - } else { - if (i === 0 || !pastFirstIf) { - pastFirstIf = true; - retArr.push(`if (${varName} == `); - } else { - if (fallingThrough) { - retArr.push(`${varName} == `); - fallingThrough = false; - } else { - retArr.push(` else if (${varName} == `); - } - } - if (type === 'Integer') { - const testType = this.getType(cases[i].test); - switch (testType) { - case 'Number': - case 'Float': - this.castValueToInteger(cases[i].test, retArr); - break; - case 'LiteralInteger': - this.castLiteralToInteger(cases[i].test, retArr); - break; - } - } else if (type === 'Float') { - const testType = this.getType(cases[i].test); - switch (testType) { - case 'LiteralInteger': - this.castLiteralToFloat(cases[i].test, retArr); - break; - case 'Integer': - this.castValueToFloat(cases[i].test, retArr); - break; - } - } else { - throw new Error('unhanlded'); - } - if (!cases[i].consequent || cases[i].consequent.length === 0) { - fallingThrough = true; - retArr.push(' || '); - continue; - } - retArr.push(`) {\n`); - } - this.astGeneric(cases[i].consequent, retArr); - retArr.push('\n}'); - } - if (movingDefaultToEnd) { - retArr.push(' else {'); - retArr.push(defaultResult.join('')); - retArr.push('}'); - } - return retArr; - } - - astThisExpression(tNode, retArr) { - retArr.push('this'); - return retArr; - } - - astMemberExpression(mNode, retArr) { - const { - property, - name, - signature, - origin, - type, - xProperty, - yProperty, - zProperty - } = this.getMemberExpressionDetails(mNode); - switch (signature) { - case 'value.thread.value': - case 'this.thread.value': - if (name !== 'x' && name !== 'y' && name !== 'z') { - throw this.astErrorOutput('Unexpected expression, expected `this.thread.x`, `this.thread.y`, or `this.thread.z`', mNode); - } - retArr.push(`threadId.${name}`); - return retArr; - case 'this.output.value': - if (this.dynamicOutput) { - switch (name) { - case 'x': - if (this.isState('casting-to-float')) { - retArr.push('float(uOutputDim.x)'); - } else { - retArr.push('uOutputDim.x'); - } - break; - case 'y': - if (this.isState('casting-to-float')) { - retArr.push('float(uOutputDim.y)'); - } else { - retArr.push('uOutputDim.y'); - } - break; - case 'z': - if (this.isState('casting-to-float')) { - retArr.push('float(uOutputDim.z)'); - } else { - retArr.push('uOutputDim.z'); - } - break; - default: - throw this.astErrorOutput('Unexpected expression', mNode); - } - } else { - switch (name) { - case 'x': - if (this.isState('casting-to-integer')) { - retArr.push(this.output[0]); - } else { - retArr.push(this.output[0], '.0'); - } - break; - case 'y': - if (this.isState('casting-to-integer')) { - retArr.push(this.output[1]); - } else { - retArr.push(this.output[1], '.0'); - } - break; - case 'z': - if (this.isState('casting-to-integer')) { - retArr.push(this.output[2]); - } else { - retArr.push(this.output[2], '.0'); - } - break; - default: - throw this.astErrorOutput('Unexpected expression', mNode); - } - } - return retArr; - case 'value': - throw this.astErrorOutput('Unexpected expression', mNode); - case 'value[]': - case 'value[][]': - case 'value[][][]': - case 'value[][][][]': - case 'value.value': - if (origin === 'Math') { - retArr.push(Math[name]); - return retArr; - } - const cleanName = utils.sanitizeName(name); - switch (property) { - case 'r': - retArr.push(`user_${ cleanName }.r`); - return retArr; - case 'g': - retArr.push(`user_${ cleanName }.g`); - return retArr; - case 'b': - retArr.push(`user_${ cleanName }.b`); - return retArr; - case 'a': - retArr.push(`user_${ cleanName }.a`); - return retArr; - } - break; - case 'this.constants.value': - if (typeof xProperty === 'undefined') { - switch (type) { - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - retArr.push(`constants_${ utils.sanitizeName(name) }`); - return retArr; - } - } - case 'this.constants.value[]': - case 'this.constants.value[][]': - case 'this.constants.value[][][]': - case 'this.constants.value[][][][]': - break; - case 'fn()[]': - this.astCallExpression(mNode.object, retArr); - retArr.push('['); - retArr.push(this.memberExpressionPropertyMarkup(property)); - retArr.push(']'); - return retArr; - case 'fn()[][]': - this.astCallExpression(mNode.object.object, retArr); - retArr.push('['); - retArr.push(this.memberExpressionPropertyMarkup(mNode.object.property)); - retArr.push(']'); - retArr.push('['); - retArr.push(this.memberExpressionPropertyMarkup(mNode.property)); - retArr.push(']'); - return retArr; - case '[][]': - this.astArrayExpression(mNode.object, retArr); - retArr.push('['); - retArr.push(this.memberExpressionPropertyMarkup(property)); - retArr.push(']'); - return retArr; - default: - throw this.astErrorOutput('Unexpected expression', mNode); - } - - if (mNode.computed === false) { - switch (type) { - case 'Number': - case 'Integer': - case 'Float': - case 'Boolean': - retArr.push(`${origin}_${utils.sanitizeName(name)}`); - return retArr; - } - } - - const markupName = `${origin}_${utils.sanitizeName(name)}`; - - switch (type) { - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - this.astGeneric(mNode.object, retArr); - retArr.push('['); - retArr.push(this.memberExpressionPropertyMarkup(xProperty)); - retArr.push(']'); - break; - case 'HTMLImageArray': - retArr.push(`getImage3D(${ markupName }, ${ markupName }Size, ${ markupName }Dim, `); - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - break; - case 'ArrayTexture(1)': - retArr.push(`getFloatFromSampler2D(${ markupName }, ${ markupName }Size, ${ markupName }Dim, `); - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - break; - case 'Array1D(2)': - case 'Array2D(2)': - case 'Array3D(2)': - retArr.push(`getMemoryOptimizedVec2(${ markupName }, ${ markupName }Size, ${ markupName }Dim, `); - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - break; - case 'ArrayTexture(2)': - retArr.push(`getVec2FromSampler2D(${ markupName }, ${ markupName }Size, ${ markupName }Dim, `); - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - break; - case 'Array1D(3)': - case 'Array2D(3)': - case 'Array3D(3)': - retArr.push(`getMemoryOptimizedVec3(${ markupName }, ${ markupName }Size, ${ markupName }Dim, `); - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - break; - case 'ArrayTexture(3)': - retArr.push(`getVec3FromSampler2D(${ markupName }, ${ markupName }Size, ${ markupName }Dim, `); - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - break; - case 'Array1D(4)': - case 'Array2D(4)': - case 'Array3D(4)': - retArr.push(`getMemoryOptimizedVec4(${ markupName }, ${ markupName }Size, ${ markupName }Dim, `); - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - break; - case 'ArrayTexture(4)': - case 'HTMLCanvas': - case 'OffscreenCanvas': - case 'HTMLImage': - case 'ImageBitmap': - case 'ImageData': - case 'HTMLVideo': - retArr.push(`getVec4FromSampler2D(${ markupName }, ${ markupName }Size, ${ markupName }Dim, `); - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - break; - case 'NumberTexture': - case 'Array': - case 'Array2D': - case 'Array3D': - case 'Array4D': - case 'Input': - case 'Number': - case 'Float': - case 'Integer': - if (this.precision === 'single') { - retArr.push(`getMemoryOptimized32(${markupName}, ${markupName}Size, ${markupName}Dim, `); - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - } else { - const bitRatio = (origin === 'user' ? - this.lookupFunctionArgumentBitRatio(this.name, name) : - this.constantBitRatios[name] - ); - switch (bitRatio) { - case 1: - retArr.push(`get8(${markupName}, ${markupName}Size, ${markupName}Dim, `); - break; - case 2: - retArr.push(`get16(${markupName}, ${markupName}Size, ${markupName}Dim, `); - break; - case 4: - case 0: - retArr.push(`get32(${markupName}, ${markupName}Size, ${markupName}Dim, `); - break; - default: - throw new Error(`unhandled bit ratio of ${bitRatio}`); - } - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - } - break; - case 'MemoryOptimizedNumberTexture': - retArr.push(`getMemoryOptimized32(${ markupName }, ${ markupName }Size, ${ markupName }Dim, `); - this.memberExpressionXYZ(xProperty, yProperty, zProperty, retArr); - retArr.push(')'); - break; - case 'Matrix(2)': - case 'Matrix(3)': - case 'Matrix(4)': - retArr.push(`${markupName}[${this.memberExpressionPropertyMarkup(yProperty)}]`); - if (yProperty) { - retArr.push(`[${this.memberExpressionPropertyMarkup(xProperty)}]`); - } - break; - default: - throw new Error(`unhandled member expression "${ type }"`); - } - return retArr; - } - - astCallExpression(ast, retArr) { - if (!ast.callee) { - throw this.astErrorOutput('Unknown CallExpression', ast); - } - - let functionName = null; - const isMathFunction = this.isAstMathFunction(ast); - - if (isMathFunction || (ast.callee.object && ast.callee.object.type === 'ThisExpression')) { - functionName = ast.callee.property.name; - } - else if (ast.callee.type === 'SequenceExpression' && ast.callee.expressions[0].type === 'Literal' && !isNaN(ast.callee.expressions[0].raw)) { - functionName = ast.callee.expressions[1].property.name; - } else { - functionName = ast.callee.name; - } - - if (!functionName) { - throw this.astErrorOutput(`Unhandled function, couldn't find name`, ast); - } - - switch (functionName) { - case 'pow': - functionName = '_pow'; - break; - case 'round': - functionName = '_round'; - break; - } - - if (this.calledFunctions.indexOf(functionName) < 0) { - this.calledFunctions.push(functionName); - } - - if (functionName === 'random' && this.plugins && this.plugins.length > 0) { - for (let i = 0; i < this.plugins.length; i++) { - const plugin = this.plugins[i]; - if (plugin.functionMatch === 'Math.random()' && plugin.functionReplace) { - retArr.push(plugin.functionReplace); - return retArr; - } - } - } - - if (this.onFunctionCall) { - this.onFunctionCall(this.name, functionName, ast.arguments); - } - - retArr.push(functionName); - - retArr.push('('); - - if (isMathFunction) { - for (let i = 0; i < ast.arguments.length; ++i) { - const argument = ast.arguments[i]; - const argumentType = this.getType(argument); - if (i > 0) { - retArr.push(', '); - } - - switch (argumentType) { - case 'Integer': - this.castValueToFloat(argument, retArr); - break; - default: - this.astGeneric(argument, retArr); - break; - } - } - } else { - const targetTypes = this.lookupFunctionArgumentTypes(functionName) || []; - for (let i = 0; i < ast.arguments.length; ++i) { - const argument = ast.arguments[i]; - let targetType = targetTypes[i]; - if (i > 0) { - retArr.push(', '); - } - const argumentType = this.getType(argument); - if (!targetType) { - this.triggerImplyArgumentType(functionName, i, argumentType, this); - targetType = argumentType; - } - switch (argumentType) { - case 'Boolean': - this.astGeneric(argument, retArr); - continue; - case 'Number': - case 'Float': - if (targetType === 'Integer') { - retArr.push('int('); - this.astGeneric(argument, retArr); - retArr.push(')'); - continue; - } else if (targetType === 'Number' || targetType === 'Float') { - this.astGeneric(argument, retArr); - continue; - } else if (targetType === 'LiteralInteger') { - this.castLiteralToFloat(argument, retArr); - continue; - } - break; - case 'Integer': - if (targetType === 'Number' || targetType === 'Float') { - retArr.push('float('); - this.astGeneric(argument, retArr); - retArr.push(')'); - continue; - } else if (targetType === 'Integer') { - this.astGeneric(argument, retArr); - continue; - } - break; - case 'LiteralInteger': - if (targetType === 'Integer') { - this.castLiteralToInteger(argument, retArr); - continue; - } else if (targetType === 'Number' || targetType === 'Float') { - this.castLiteralToFloat(argument, retArr); - continue; - } else if (targetType === 'LiteralInteger') { - this.astGeneric(argument, retArr); - continue; - } - break; - case 'Array(2)': - case 'Array(3)': - case 'Array(4)': - if (targetType === argumentType) { - if (argument.type === 'Identifier') { - retArr.push(`user_${utils.sanitizeName(argument.name)}`); - } else if (argument.type === 'ArrayExpression' || argument.type === 'MemberExpression' || argument.type === 'CallExpression') { - this.astGeneric(argument, retArr); - } else { - throw this.astErrorOutput(`Unhandled argument type ${ argument.type }`, ast); - } - continue; - } - break; - case 'HTMLCanvas': - case 'OffscreenCanvas': - case 'HTMLImage': - case 'ImageBitmap': - case 'ImageData': - case 'HTMLImageArray': - case 'HTMLVideo': - case 'ArrayTexture(1)': - case 'ArrayTexture(2)': - case 'ArrayTexture(3)': - case 'ArrayTexture(4)': - case 'Array': - case 'Input': - if (targetType === argumentType) { - if (argument.type !== 'Identifier') throw this.astErrorOutput(`Unhandled argument type ${ argument.type }`, ast); - this.triggerImplyArgumentBitRatio(this.name, argument.name, functionName, i); - const name = utils.sanitizeName(argument.name); - retArr.push(`user_${name},user_${name}Size,user_${name}Dim`); - continue; - } - break; - } - throw this.astErrorOutput(`Unhandled argument combination of ${ argumentType } and ${ targetType } for argument named "${ argument.name }"`, ast); - } - } - retArr.push(')'); - - return retArr; - } - - astArrayExpression(arrNode, retArr) { - const returnType = this.getType(arrNode); - - const arrLen = arrNode.elements.length; - - switch (returnType) { - case 'Matrix(2)': - case 'Matrix(3)': - case 'Matrix(4)': - retArr.push(`mat${arrLen}(`); - break; - default: - retArr.push(`vec${arrLen}(`); - } - for (let i = 0; i < arrLen; ++i) { - if (i > 0) { - retArr.push(', '); - } - const subNode = arrNode.elements[i]; - this.astGeneric(subNode, retArr) - } - retArr.push(')'); - - return retArr; - } - - memberExpressionXYZ(x, y, z, retArr) { - if (z) { - retArr.push(this.memberExpressionPropertyMarkup(z), ', '); - } else { - retArr.push('0, '); - } - if (y) { - retArr.push(this.memberExpressionPropertyMarkup(y), ', '); - } else { - retArr.push('0, '); - } - retArr.push(this.memberExpressionPropertyMarkup(x)); - return retArr; - } - - memberExpressionPropertyMarkup(property) { - if (!property) { - throw new Error('Property not set'); - } - const type = this.getType(property); - const result = []; - switch (type) { - case 'Number': - case 'Float': - this.castValueToInteger(property, result); - break; - case 'LiteralInteger': - this.castLiteralToInteger(property, result); - break; - default: - this.astGeneric(property, result); - } - return result.join(''); - } -} - -const typeMap = { - 'Array': 'sampler2D', - 'Array(2)': 'vec2', - 'Array(3)': 'vec3', - 'Array(4)': 'vec4', - 'Matrix(2)': 'mat2', - 'Matrix(3)': 'mat3', - 'Matrix(4)': 'mat4', - 'Array2D': 'sampler2D', - 'Array3D': 'sampler2D', - 'Boolean': 'bool', - 'Float': 'float', - 'Input': 'sampler2D', - 'Integer': 'int', - 'Number': 'float', - 'LiteralInteger': 'float', - 'NumberTexture': 'sampler2D', - 'MemoryOptimizedNumberTexture': 'sampler2D', - 'ArrayTexture(1)': 'sampler2D', - 'ArrayTexture(2)': 'sampler2D', - 'ArrayTexture(3)': 'sampler2D', - 'ArrayTexture(4)': 'sampler2D', - 'HTMLVideo': 'sampler2D', - 'HTMLCanvas': 'sampler2D', - 'OffscreenCanvas': 'sampler2D', - 'HTMLImage': 'sampler2D', - 'ImageBitmap': 'sampler2D', - 'ImageData': 'sampler2D', - 'HTMLImageArray': 'sampler2DArray', -}; - -const operatorMap = { - '===': '==', - '!==': '!=' -}; - -module.exports = { - WebGLFunctionNode -}; -},{"../../utils":114,"../function-node":10}],39:[function(require,module,exports){ -const { WebGLKernelValueBoolean } = require('./kernel-value/boolean'); -const { WebGLKernelValueFloat } = require('./kernel-value/float'); -const { WebGLKernelValueInteger } = require('./kernel-value/integer'); - -const { WebGLKernelValueHTMLImage } = require('./kernel-value/html-image'); -const { WebGLKernelValueDynamicHTMLImage } = require('./kernel-value/dynamic-html-image'); - -const { WebGLKernelValueHTMLVideo } = require('./kernel-value/html-video'); -const { WebGLKernelValueDynamicHTMLVideo } = require('./kernel-value/dynamic-html-video'); - -const { WebGLKernelValueSingleInput } = require('./kernel-value/single-input'); -const { WebGLKernelValueDynamicSingleInput } = require('./kernel-value/dynamic-single-input'); - -const { WebGLKernelValueUnsignedInput } = require('./kernel-value/unsigned-input'); -const { WebGLKernelValueDynamicUnsignedInput } = require('./kernel-value/dynamic-unsigned-input'); - -const { WebGLKernelValueMemoryOptimizedNumberTexture } = require('./kernel-value/memory-optimized-number-texture'); -const { WebGLKernelValueDynamicMemoryOptimizedNumberTexture } = require('./kernel-value/dynamic-memory-optimized-number-texture'); - -const { WebGLKernelValueNumberTexture } = require('./kernel-value/number-texture'); -const { WebGLKernelValueDynamicNumberTexture } = require('./kernel-value/dynamic-number-texture'); - -const { WebGLKernelValueSingleArray } = require('./kernel-value/single-array'); -const { WebGLKernelValueDynamicSingleArray } = require('./kernel-value/dynamic-single-array'); - -const { WebGLKernelValueSingleArray1DI } = require('./kernel-value/single-array1d-i'); -const { WebGLKernelValueDynamicSingleArray1DI } = require('./kernel-value/dynamic-single-array1d-i'); - -const { WebGLKernelValueSingleArray2DI } = require('./kernel-value/single-array2d-i'); -const { WebGLKernelValueDynamicSingleArray2DI } = require('./kernel-value/dynamic-single-array2d-i'); - -const { WebGLKernelValueSingleArray3DI } = require('./kernel-value/single-array3d-i'); -const { WebGLKernelValueDynamicSingleArray3DI } = require('./kernel-value/dynamic-single-array3d-i'); - -const { WebGLKernelValueArray2 } = require('./kernel-value/array2'); -const { WebGLKernelValueArray3 } = require('./kernel-value/array3'); -const { WebGLKernelValueArray4 } = require('./kernel-value/array4'); - -const { WebGLKernelValueUnsignedArray } = require('./kernel-value/unsigned-array'); -const { WebGLKernelValueDynamicUnsignedArray } = require('./kernel-value/dynamic-unsigned-array'); - -const kernelValueMaps = { - unsigned: { - dynamic: { - 'Boolean': WebGLKernelValueBoolean, - 'Integer': WebGLKernelValueInteger, - 'Float': WebGLKernelValueFloat, - 'Array': WebGLKernelValueDynamicUnsignedArray, - 'Array(2)': WebGLKernelValueArray2, - 'Array(3)': WebGLKernelValueArray3, - 'Array(4)': WebGLKernelValueArray4, - 'Array1D(2)': false, - 'Array1D(3)': false, - 'Array1D(4)': false, - 'Array2D(2)': false, - 'Array2D(3)': false, - 'Array2D(4)': false, - 'Array3D(2)': false, - 'Array3D(3)': false, - 'Array3D(4)': false, - 'Input': WebGLKernelValueDynamicUnsignedInput, - 'NumberTexture': WebGLKernelValueDynamicNumberTexture, - 'ArrayTexture(1)': WebGLKernelValueDynamicNumberTexture, - 'ArrayTexture(2)': WebGLKernelValueDynamicNumberTexture, - 'ArrayTexture(3)': WebGLKernelValueDynamicNumberTexture, - 'ArrayTexture(4)': WebGLKernelValueDynamicNumberTexture, - 'MemoryOptimizedNumberTexture': WebGLKernelValueDynamicMemoryOptimizedNumberTexture, - 'HTMLCanvas': WebGLKernelValueDynamicHTMLImage, - 'OffscreenCanvas': WebGLKernelValueDynamicHTMLImage, - 'HTMLImage': WebGLKernelValueDynamicHTMLImage, - 'ImageBitmap': WebGLKernelValueDynamicHTMLImage, - 'ImageData': WebGLKernelValueDynamicHTMLImage, - 'HTMLImageArray': false, - 'HTMLVideo': WebGLKernelValueDynamicHTMLVideo, - }, - static: { - 'Boolean': WebGLKernelValueBoolean, - 'Float': WebGLKernelValueFloat, - 'Integer': WebGLKernelValueInteger, - 'Array': WebGLKernelValueUnsignedArray, - 'Array(2)': WebGLKernelValueArray2, - 'Array(3)': WebGLKernelValueArray3, - 'Array(4)': WebGLKernelValueArray4, - 'Array1D(2)': false, - 'Array1D(3)': false, - 'Array1D(4)': false, - 'Array2D(2)': false, - 'Array2D(3)': false, - 'Array2D(4)': false, - 'Array3D(2)': false, - 'Array3D(3)': false, - 'Array3D(4)': false, - 'Input': WebGLKernelValueUnsignedInput, - 'NumberTexture': WebGLKernelValueNumberTexture, - 'ArrayTexture(1)': WebGLKernelValueNumberTexture, - 'ArrayTexture(2)': WebGLKernelValueNumberTexture, - 'ArrayTexture(3)': WebGLKernelValueNumberTexture, - 'ArrayTexture(4)': WebGLKernelValueNumberTexture, - 'MemoryOptimizedNumberTexture': WebGLKernelValueMemoryOptimizedNumberTexture, - 'HTMLCanvas': WebGLKernelValueHTMLImage, - 'OffscreenCanvas': WebGLKernelValueHTMLImage, - 'HTMLImage': WebGLKernelValueHTMLImage, - 'ImageBitmap': WebGLKernelValueHTMLImage, - 'ImageData': WebGLKernelValueHTMLImage, - 'HTMLImageArray': false, - 'HTMLVideo': WebGLKernelValueHTMLVideo, - } - }, - single: { - dynamic: { - 'Boolean': WebGLKernelValueBoolean, - 'Integer': WebGLKernelValueInteger, - 'Float': WebGLKernelValueFloat, - 'Array': WebGLKernelValueDynamicSingleArray, - 'Array(2)': WebGLKernelValueArray2, - 'Array(3)': WebGLKernelValueArray3, - 'Array(4)': WebGLKernelValueArray4, - 'Array1D(2)': WebGLKernelValueDynamicSingleArray1DI, - 'Array1D(3)': WebGLKernelValueDynamicSingleArray1DI, - 'Array1D(4)': WebGLKernelValueDynamicSingleArray1DI, - 'Array2D(2)': WebGLKernelValueDynamicSingleArray2DI, - 'Array2D(3)': WebGLKernelValueDynamicSingleArray2DI, - 'Array2D(4)': WebGLKernelValueDynamicSingleArray2DI, - 'Array3D(2)': WebGLKernelValueDynamicSingleArray3DI, - 'Array3D(3)': WebGLKernelValueDynamicSingleArray3DI, - 'Array3D(4)': WebGLKernelValueDynamicSingleArray3DI, - 'Input': WebGLKernelValueDynamicSingleInput, - 'NumberTexture': WebGLKernelValueDynamicNumberTexture, - 'ArrayTexture(1)': WebGLKernelValueDynamicNumberTexture, - 'ArrayTexture(2)': WebGLKernelValueDynamicNumberTexture, - 'ArrayTexture(3)': WebGLKernelValueDynamicNumberTexture, - 'ArrayTexture(4)': WebGLKernelValueDynamicNumberTexture, - 'MemoryOptimizedNumberTexture': WebGLKernelValueDynamicMemoryOptimizedNumberTexture, - 'HTMLCanvas': WebGLKernelValueDynamicHTMLImage, - 'OffscreenCanvas': WebGLKernelValueDynamicHTMLImage, - 'HTMLImage': WebGLKernelValueDynamicHTMLImage, - 'ImageBitmap': WebGLKernelValueDynamicHTMLImage, - 'ImageData': WebGLKernelValueDynamicHTMLImage, - 'HTMLImageArray': false, - 'HTMLVideo': WebGLKernelValueDynamicHTMLVideo, - }, - static: { - 'Boolean': WebGLKernelValueBoolean, - 'Float': WebGLKernelValueFloat, - 'Integer': WebGLKernelValueInteger, - 'Array': WebGLKernelValueSingleArray, - 'Array(2)': WebGLKernelValueArray2, - 'Array(3)': WebGLKernelValueArray3, - 'Array(4)': WebGLKernelValueArray4, - 'Array1D(2)': WebGLKernelValueSingleArray1DI, - 'Array1D(3)': WebGLKernelValueSingleArray1DI, - 'Array1D(4)': WebGLKernelValueSingleArray1DI, - 'Array2D(2)': WebGLKernelValueSingleArray2DI, - 'Array2D(3)': WebGLKernelValueSingleArray2DI, - 'Array2D(4)': WebGLKernelValueSingleArray2DI, - 'Array3D(2)': WebGLKernelValueSingleArray3DI, - 'Array3D(3)': WebGLKernelValueSingleArray3DI, - 'Array3D(4)': WebGLKernelValueSingleArray3DI, - 'Input': WebGLKernelValueSingleInput, - 'NumberTexture': WebGLKernelValueNumberTexture, - 'ArrayTexture(1)': WebGLKernelValueNumberTexture, - 'ArrayTexture(2)': WebGLKernelValueNumberTexture, - 'ArrayTexture(3)': WebGLKernelValueNumberTexture, - 'ArrayTexture(4)': WebGLKernelValueNumberTexture, - 'MemoryOptimizedNumberTexture': WebGLKernelValueMemoryOptimizedNumberTexture, - 'HTMLCanvas': WebGLKernelValueHTMLImage, - 'OffscreenCanvas': WebGLKernelValueHTMLImage, - 'HTMLImage': WebGLKernelValueHTMLImage, - 'ImageBitmap': WebGLKernelValueHTMLImage, - 'ImageData': WebGLKernelValueHTMLImage, - 'HTMLImageArray': false, - 'HTMLVideo': WebGLKernelValueHTMLVideo, - } - }, -}; - -function lookupKernelValueType(type, dynamic, precision, value) { - if (!type) { - throw new Error('type missing'); - } - if (!dynamic) { - throw new Error('dynamic missing'); - } - if (!precision) { - throw new Error('precision missing'); - } - if (value.type) { - type = value.type; - } - const types = kernelValueMaps[precision][dynamic]; - if (types[type] === false) { - return null; - } else if (types[type] === undefined) { - throw new Error(`Could not find a KernelValue for ${ type }`); - } - return types[type]; -} - -module.exports = { - lookupKernelValueType, - kernelValueMaps, -}; -},{"./kernel-value/array2":41,"./kernel-value/array3":42,"./kernel-value/array4":43,"./kernel-value/boolean":44,"./kernel-value/dynamic-html-image":45,"./kernel-value/dynamic-html-video":46,"./kernel-value/dynamic-memory-optimized-number-texture":47,"./kernel-value/dynamic-number-texture":48,"./kernel-value/dynamic-single-array":49,"./kernel-value/dynamic-single-array1d-i":50,"./kernel-value/dynamic-single-array2d-i":51,"./kernel-value/dynamic-single-array3d-i":52,"./kernel-value/dynamic-single-input":53,"./kernel-value/dynamic-unsigned-array":54,"./kernel-value/dynamic-unsigned-input":55,"./kernel-value/float":56,"./kernel-value/html-image":57,"./kernel-value/html-video":58,"./kernel-value/integer":60,"./kernel-value/memory-optimized-number-texture":61,"./kernel-value/number-texture":62,"./kernel-value/single-array":63,"./kernel-value/single-array1d-i":64,"./kernel-value/single-array2d-i":65,"./kernel-value/single-array3d-i":66,"./kernel-value/single-input":67,"./kernel-value/unsigned-array":68,"./kernel-value/unsigned-input":69}],40:[function(require,module,exports){ -const { WebGLKernelValue } = require('./index'); -const { Input } = require('../../../input'); - -class WebGLKernelArray extends WebGLKernelValue { - checkSize(width, height) { - if (!this.kernel.validate) return; - const { maxTextureSize } = this.kernel.constructor.features; - if (width > maxTextureSize || height > maxTextureSize) { - if (width > height) { - throw new Error(`Argument texture width of ${width} larger than maximum size of ${maxTextureSize} for your GPU`); - } else if (width < height) { - throw new Error(`Argument texture height of ${height} larger than maximum size of ${maxTextureSize} for your GPU`); - } else { - throw new Error(`Argument texture height and width of ${height} larger than maximum size of ${maxTextureSize} for your GPU`); - } - } - } - - setup() { - this.requestTexture(); - this.setupTexture(); - this.defineTexture(); - } - - requestTexture() { - this.texture = this.onRequestTexture(); - } - - defineTexture() { - const { context: gl } = this; - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - } - - setupTexture() { - this.contextHandle = this.onRequestContextHandle(); - this.index = this.onRequestIndex(); - this.dimensionsId = this.id + 'Dim'; - this.sizeId = this.id + 'Size'; - } - - getBitRatio(value) { - if (Array.isArray(value[0])) { - return this.getBitRatio(value[0]); - } else if (value.constructor === Input) { - return this.getBitRatio(value.value); - } - switch (value.constructor) { - case Uint8ClampedArray: - case Uint8Array: - case Int8Array: - return 1; - case Uint16Array: - case Int16Array: - return 2; - case Float32Array: - case Int32Array: - default: - return 4; - } - } - - destroy() { - if (this.prevArg) { - this.prevArg.delete(); - } - this.context.deleteTexture(this.texture); - } -} - -module.exports = { - WebGLKernelArray -}; -},{"../../../input":110,"./index":59}],41:[function(require,module,exports){ -const { WebGLKernelValue } = require('./index'); - -class WebGLKernelValueArray2 extends WebGLKernelValue { - constructor(value, settings) { - super(value, settings); - this.uploadValue = value; - } - getSource(value) { - if (this.origin === 'constants') { - return `const vec2 ${this.id} = vec2(${value[0]},${value[1]});\n`; - } - return `uniform vec2 ${this.id};\n`; - } - - getStringValueHandler() { - if (this.origin === 'constants') return ''; - return `const uploadValue_${this.name} = ${this.varName};\n`; - } - - updateValue(value) { - if (this.origin === 'constants') return; - this.kernel.setUniform2fv(this.id, this.uploadValue = value); - } -} - -module.exports = { - WebGLKernelValueArray2 -}; -},{"./index":59}],42:[function(require,module,exports){ -const { WebGLKernelValue } = require('./index'); - -class WebGLKernelValueArray3 extends WebGLKernelValue { - constructor(value, settings) { - super(value, settings); - this.uploadValue = value; - } - getSource(value) { - if (this.origin === 'constants') { - return `const vec3 ${this.id} = vec3(${value[0]},${value[1]},${value[2]});\n`; - } - return `uniform vec3 ${this.id};\n`; - } - - getStringValueHandler() { - if (this.origin === 'constants') return ''; - return `const uploadValue_${this.name} = ${this.varName};\n`; - } - - updateValue(value) { - if (this.origin === 'constants') return; - this.kernel.setUniform3fv(this.id, this.uploadValue = value); - } -} - -module.exports = { - WebGLKernelValueArray3 -}; -},{"./index":59}],43:[function(require,module,exports){ -const { WebGLKernelValue } = require('./index'); - -class WebGLKernelValueArray4 extends WebGLKernelValue { - constructor(value, settings) { - super(value, settings); - this.uploadValue = value; - } - getSource(value) { - if (this.origin === 'constants') { - return `const vec4 ${this.id} = vec4(${value[0]},${value[1]},${value[2]},${value[3]});\n`; - } - return `uniform vec4 ${this.id};\n`; - } - - getStringValueHandler() { - if (this.origin === 'constants') return ''; - return `const uploadValue_${this.name} = ${this.varName};\n`; - } - - updateValue(value) { - if (this.origin === 'constants') return; - this.kernel.setUniform4fv(this.id, this.uploadValue = value); - } -} - -module.exports = { - WebGLKernelValueArray4 -}; -},{"./index":59}],44:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValue } = require('./index'); - -class WebGLKernelValueBoolean extends WebGLKernelValue { - constructor(value, settings) { - super(value, settings); - this.uploadValue = value; - } - getSource(value) { - if (this.origin === 'constants') { - return `const bool ${this.id} = ${value};\n`; - } - return `uniform bool ${this.id};\n`; - } - - getStringValueHandler() { - return `const uploadValue_${this.name} = ${this.varName};\n`; - } - - updateValue(value) { - if (this.origin === 'constants') return; - this.kernel.setUniform1i(this.id, this.uploadValue = value); - } -} - -module.exports = { - WebGLKernelValueBoolean -}; -},{"../../../utils":114,"./index":59}],45:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueHTMLImage } = require('./html-image'); - -class WebGLKernelValueDynamicHTMLImage extends WebGLKernelValueHTMLImage { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - const { width, height } = value; - this.checkSize(width, height); - this.dimensions = [width, height, 1]; - this.textureSize = [width, height]; - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGLKernelValueDynamicHTMLImage -}; -},{"../../../utils":114,"./html-image":57}],46:[function(require,module,exports){ -const { WebGLKernelValueDynamicHTMLImage } = require('./dynamic-html-image'); - -class WebGLKernelValueDynamicHTMLVideo extends WebGLKernelValueDynamicHTMLImage {} - -module.exports = { - WebGLKernelValueDynamicHTMLVideo -}; -},{"./dynamic-html-image":45}],47:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueMemoryOptimizedNumberTexture } = require('./memory-optimized-number-texture'); - -class WebGLKernelValueDynamicMemoryOptimizedNumberTexture extends WebGLKernelValueMemoryOptimizedNumberTexture { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(inputTexture) { - this.dimensions = inputTexture.dimensions; - this.checkSize(inputTexture.size[0], inputTexture.size[1]); - this.textureSize = inputTexture.size; - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(inputTexture); - } -} - -module.exports = { - WebGLKernelValueDynamicMemoryOptimizedNumberTexture -}; -},{"../../../utils":114,"./memory-optimized-number-texture":61}],48:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueNumberTexture } = require('./number-texture'); - -class WebGLKernelValueDynamicNumberTexture extends WebGLKernelValueNumberTexture { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - this.dimensions = value.dimensions; - this.checkSize(value.size[0], value.size[1]); - this.textureSize = value.size; - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGLKernelValueDynamicNumberTexture -}; -},{"../../../utils":114,"./number-texture":62}],49:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueSingleArray } = require('./single-array'); - -class WebGLKernelValueDynamicSingleArray extends WebGLKernelValueSingleArray { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - this.dimensions = utils.getDimensions(value, true); - this.textureSize = utils.getMemoryOptimizedFloatTextureSize(this.dimensions, this.bitRatio); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * this.bitRatio; - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.uploadValue = new Float32Array(this.uploadArrayLength); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGLKernelValueDynamicSingleArray -}; -},{"../../../utils":114,"./single-array":63}],50:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueSingleArray1DI } = require('./single-array1d-i'); - -class WebGLKernelValueDynamicSingleArray1DI extends WebGLKernelValueSingleArray1DI { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - this.setShape(value); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGLKernelValueDynamicSingleArray1DI -}; -},{"../../../utils":114,"./single-array1d-i":64}],51:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueSingleArray2DI } = require('./single-array2d-i'); - -class WebGLKernelValueDynamicSingleArray2DI extends WebGLKernelValueSingleArray2DI { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - this.setShape(value); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGLKernelValueDynamicSingleArray2DI -}; -},{"../../../utils":114,"./single-array2d-i":65}],52:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueSingleArray3DI } = require('./single-array3d-i'); - -class WebGLKernelValueDynamicSingleArray3DI extends WebGLKernelValueSingleArray3DI { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - this.setShape(value); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGLKernelValueDynamicSingleArray3DI -}; -},{"../../../utils":114,"./single-array3d-i":66}],53:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueSingleInput } = require('./single-input'); - -class WebGLKernelValueDynamicSingleInput extends WebGLKernelValueSingleInput { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - let [w, h, d] = value.size; - this.dimensions = new Int32Array([w || 1, h || 1, d || 1]); - this.textureSize = utils.getMemoryOptimizedFloatTextureSize(this.dimensions, this.bitRatio); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * this.bitRatio; - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.uploadValue = new Float32Array(this.uploadArrayLength); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGLKernelValueDynamicSingleInput -}; -},{"../../../utils":114,"./single-input":67}],54:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueUnsignedArray } = require('./unsigned-array'); - -class WebGLKernelValueDynamicUnsignedArray extends WebGLKernelValueUnsignedArray { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - this.dimensions = utils.getDimensions(value, true); - this.textureSize = utils.getMemoryOptimizedPackedTextureSize(this.dimensions, this.bitRatio); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * (4 / this.bitRatio); - this.checkSize(this.textureSize[0], this.textureSize[1]); - const Type = this.getTransferArrayType(value); - this.preUploadValue = new Type(this.uploadArrayLength); - this.uploadValue = new Uint8Array(this.preUploadValue.buffer); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGLKernelValueDynamicUnsignedArray -}; -},{"../../../utils":114,"./unsigned-array":68}],55:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueUnsignedInput } = require('./unsigned-input'); - -class WebGLKernelValueDynamicUnsignedInput extends WebGLKernelValueUnsignedInput { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - let [w, h, d] = value.size; - this.dimensions = new Int32Array([w || 1, h || 1, d || 1]); - this.textureSize = utils.getMemoryOptimizedPackedTextureSize(this.dimensions, this.bitRatio); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * (4 / this.bitRatio); - this.checkSize(this.textureSize[0], this.textureSize[1]); - const Type = this.getTransferArrayType(value.value); - this.preUploadValue = new Type(this.uploadArrayLength); - this.uploadValue = new Uint8Array(this.preUploadValue.buffer); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGLKernelValueDynamicUnsignedInput -}; -},{"../../../utils":114,"./unsigned-input":69}],56:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValue } = require('./index'); - -class WebGLKernelValueFloat extends WebGLKernelValue { - constructor(value, settings) { - super(value, settings); - this.uploadValue = value; - } - getStringValueHandler() { - return `const uploadValue_${this.name} = ${this.varName};\n`; - } - getSource(value) { - if (this.origin === 'constants') { - if (Number.isInteger(value)) { - return `const float ${this.id} = ${value}.0;\n`; - } - return `const float ${this.id} = ${value};\n`; - } - return `uniform float ${this.id};\n`; - } - - updateValue(value) { - if (this.origin === 'constants') return; - this.kernel.setUniform1f(this.id, this.uploadValue = value); - } -} - -module.exports = { - WebGLKernelValueFloat -}; -},{"../../../utils":114,"./index":59}],57:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('./array'); - -class WebGLKernelValueHTMLImage extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - const { width, height } = value; - this.checkSize(width, height); - this.dimensions = [width, height, 1]; - this.textureSize = [width, height]; - this.uploadValue = value; - } - - getStringValueHandler() { - return `const uploadValue_${this.name} = ${this.varName};\n`; - } - - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(inputImage) { - if (inputImage.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(inputImage.constructor); - return; - } - const { context: gl } = this; - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, true); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, this.uploadValue = inputImage); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGLKernelValueHTMLImage -}; -},{"../../../utils":114,"./array":40}],58:[function(require,module,exports){ -const { WebGLKernelValueHTMLImage } = require('./html-image'); - -class WebGLKernelValueHTMLVideo extends WebGLKernelValueHTMLImage {} - -module.exports = { - WebGLKernelValueHTMLVideo -}; -},{"./html-image":57}],59:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { KernelValue } = require('../../kernel-value'); - -class WebGLKernelValue extends KernelValue { - constructor(value, settings) { - super(value, settings); - this.dimensionsId = null; - this.sizeId = null; - this.initialValueConstructor = value.constructor; - this.onRequestTexture = settings.onRequestTexture; - this.onRequestIndex = settings.onRequestIndex; - this.uploadValue = null; - this.textureSize = null; - this.bitRatio = null; - this.prevArg = null; - } - - get id() { - return `${this.origin}_${utils.sanitizeName(this.name)}`; - } - - setup() {} - - getTransferArrayType(value) { - if (Array.isArray(value[0])) { - return this.getTransferArrayType(value[0]); - } - switch (value.constructor) { - case Array: - case Int32Array: - case Int16Array: - case Int8Array: - return Float32Array; - case Uint8ClampedArray: - case Uint8Array: - case Uint16Array: - case Uint32Array: - case Float32Array: - case Float64Array: - return value.constructor; - } - console.warn('Unfamiliar constructor type. Will go ahead and use, but likley this may result in a transfer of zeros'); - return value.constructor; - } - - getStringValueHandler() { - throw new Error(`"getStringValueHandler" not implemented on ${this.constructor.name}`); - } - - getVariablePrecisionString() { - return this.kernel.getVariablePrecisionString(this.textureSize || undefined, this.tactic || undefined); - } - - destroy() {} -} - -module.exports = { - WebGLKernelValue -}; -},{"../../../utils":114,"../../kernel-value":35}],60:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValue } = require('./index'); - -class WebGLKernelValueInteger extends WebGLKernelValue { - constructor(value, settings) { - super(value, settings); - this.uploadValue = value; - } - getStringValueHandler() { - return `const uploadValue_${this.name} = ${this.varName};\n`; - } - getSource(value) { - if (this.origin === 'constants') { - return `const int ${this.id} = ${ parseInt(value) };\n`; - } - return `uniform int ${this.id};\n`; - } - - updateValue(value) { - if (this.origin === 'constants') return; - this.kernel.setUniform1i(this.id, this.uploadValue = value); - } -} - -module.exports = { - WebGLKernelValueInteger -}; -},{"../../../utils":114,"./index":59}],61:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('./array'); - -const sameError = `Source and destination textures are the same. Use immutable = true and manually cleanup kernel output texture memory with texture.delete()`; - -class WebGLKernelValueMemoryOptimizedNumberTexture extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - const [width, height] = value.size; - this.checkSize(width, height); - this.dimensions = value.dimensions; - this.textureSize = value.size; - this.uploadValue = value.texture; - this.forceUploadEachRun = true; - } - - setup() { - this.setupTexture(); - } - - getStringValueHandler() { - return `const uploadValue_${this.name} = ${this.varName}.texture;\n`; - } - - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(inputTexture) { - if (inputTexture.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(inputTexture.constructor); - return; - } - if (this.checkContext && inputTexture.context !== this.context) { - throw new Error(`Value ${this.name} (${this.type}) must be from same context`); - } - - const { kernel, context: gl } = this; - if (kernel.pipeline) { - if (kernel.immutable) { - kernel.updateTextureArgumentRefs(this, inputTexture); - } else { - if (kernel.texture && kernel.texture.texture === inputTexture.texture) { - throw new Error(sameError); - } else if (kernel.mappedTextures) { - const { mappedTextures } = kernel; - for (let i = 0; i < mappedTextures.length; i++) { - if (mappedTextures[i].texture === inputTexture.texture) { - throw new Error(sameError); - } - } - } - } - } - - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.uploadValue = inputTexture.texture); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGLKernelValueMemoryOptimizedNumberTexture, - sameError -}; -},{"../../../utils":114,"./array":40}],62:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('./array'); -const { sameError } = require('./memory-optimized-number-texture'); - -class WebGLKernelValueNumberTexture extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - const [width, height] = value.size; - this.checkSize(width, height); - const { size: textureSize, dimensions } = value; - this.bitRatio = this.getBitRatio(value); - this.dimensions = dimensions; - this.textureSize = textureSize; - this.uploadValue = value.texture; - this.forceUploadEachRun = true; - } - - setup() { - this.setupTexture(); - } - - getStringValueHandler() { - return `const uploadValue_${this.name} = ${this.varName}.texture;\n`; - } - - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(inputTexture) { - if (inputTexture.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(inputTexture.constructor); - return; - } - if (this.checkContext && inputTexture.context !== this.context) { - throw new Error(`Value ${this.name} (${this.type}) must be from same context`); - } - - const { kernel, context: gl } = this; - if (kernel.pipeline) { - if (kernel.immutable) { - kernel.updateTextureArgumentRefs(this, inputTexture); - } else { - if (kernel.texture && kernel.texture.texture === inputTexture.texture) { - throw new Error(sameError); - } else if (kernel.mappedTextures) { - const { mappedTextures } = kernel; - for (let i = 0; i < mappedTextures.length; i++) { - if (mappedTextures[i].texture === inputTexture.texture) { - throw new Error(sameError); - } - } - } - } - } - - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.uploadValue = inputTexture.texture); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGLKernelValueNumberTexture -}; -},{"../../../utils":114,"./array":40,"./memory-optimized-number-texture":61}],63:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('./array'); - -class WebGLKernelValueSingleArray extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - this.bitRatio = 4; - this.dimensions = utils.getDimensions(value, true); - this.textureSize = utils.getMemoryOptimizedFloatTextureSize(this.dimensions, this.bitRatio); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * this.bitRatio; - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.uploadValue = new Float32Array(this.uploadArrayLength); - } - - getStringValueHandler() { - return utils.linesToString([ - `const uploadValue_${this.name} = new Float32Array(${this.uploadArrayLength})`, - `flattenTo(${this.varName}, uploadValue_${this.name})`, - ]); - } - - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(value) { - if (value.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(value.constructor); - return; - } - const { context: gl } = this; - utils.flattenTo(value, this.uploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.FLOAT, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGLKernelValueSingleArray -}; -},{"../../../utils":114,"./array":40}],64:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('./array'); - -class WebGLKernelValueSingleArray1DI extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - this.bitRatio = 4; - this.setShape(value); - } - - setShape(value) { - const valueDimensions = utils.getDimensions(value, true); - this.textureSize = utils.getMemoryOptimizedFloatTextureSize(valueDimensions, this.bitRatio); - this.dimensions = new Int32Array([valueDimensions[1], 1, 1]); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * this.bitRatio; - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.uploadValue = new Float32Array(this.uploadArrayLength); - } - - getStringValueHandler() { - return utils.linesToString([ - `const uploadValue_${this.name} = new Float32Array(${this.uploadArrayLength})`, - `flattenTo(${this.varName}, uploadValue_${this.name})`, - ]); - } - - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(value) { - if (value.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(value.constructor); - return; - } - const { context: gl } = this; - utils.flatten2dArrayTo(value, this.uploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.FLOAT, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGLKernelValueSingleArray1DI -}; -},{"../../../utils":114,"./array":40}],65:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('./array'); - -class WebGLKernelValueSingleArray2DI extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - this.bitRatio = 4; - this.setShape(value); - } - - setShape(value) { - const valueDimensions = utils.getDimensions(value, true); - this.textureSize = utils.getMemoryOptimizedFloatTextureSize(valueDimensions, this.bitRatio); - this.dimensions = new Int32Array([valueDimensions[1], valueDimensions[2], 1]); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * this.bitRatio; - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.uploadValue = new Float32Array(this.uploadArrayLength); - } - - getStringValueHandler() { - return utils.linesToString([ - `const uploadValue_${this.name} = new Float32Array(${this.uploadArrayLength})`, - `flattenTo(${this.varName}, uploadValue_${this.name})`, - ]); - } - - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(value) { - if (value.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(value.constructor); - return; - } - const { context: gl } = this; - utils.flatten3dArrayTo(value, this.uploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.FLOAT, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGLKernelValueSingleArray2DI -}; -},{"../../../utils":114,"./array":40}],66:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('./array'); - -class WebGLKernelValueSingleArray3DI extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - this.bitRatio = 4; - this.setShape(value); - } - - setShape(value) { - const valueDimensions = utils.getDimensions(value, true); - this.textureSize = utils.getMemoryOptimizedFloatTextureSize(valueDimensions, this.bitRatio); - this.dimensions = new Int32Array([valueDimensions[1], valueDimensions[2], valueDimensions[3]]); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * this.bitRatio; - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.uploadValue = new Float32Array(this.uploadArrayLength); - } - - getStringValueHandler() { - return utils.linesToString([ - `const uploadValue_${this.name} = new Float32Array(${this.uploadArrayLength})`, - `flattenTo(${this.varName}, uploadValue_${this.name})`, - ]); - } - - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(value) { - if (value.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(value.constructor); - return; - } - const { context: gl } = this; - utils.flatten4dArrayTo(value, this.uploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.FLOAT, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGLKernelValueSingleArray3DI -}; -},{"../../../utils":114,"./array":40}],67:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('./array'); - -class WebGLKernelValueSingleInput extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - this.bitRatio = 4; - let [w, h, d] = value.size; - this.dimensions = new Int32Array([w || 1, h || 1, d || 1]); - this.textureSize = utils.getMemoryOptimizedFloatTextureSize(this.dimensions, this.bitRatio); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * this.bitRatio; - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.uploadValue = new Float32Array(this.uploadArrayLength); - } - - getStringValueHandler() { - return utils.linesToString([ - `const uploadValue_${this.name} = new Float32Array(${this.uploadArrayLength})`, - `flattenTo(${this.varName}.value, uploadValue_${this.name})`, - ]); - } - - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(input) { - if (input.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(input.constructor); - return; - } - const { context: gl } = this; - utils.flattenTo(input.value, this.uploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.FLOAT, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGLKernelValueSingleInput -}; -},{"../../../utils":114,"./array":40}],68:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('./array'); - -class WebGLKernelValueUnsignedArray extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - this.bitRatio = this.getBitRatio(value); - this.dimensions = utils.getDimensions(value, true); - this.textureSize = utils.getMemoryOptimizedPackedTextureSize(this.dimensions, this.bitRatio); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * (4 / this.bitRatio); - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.TranserArrayType = this.getTransferArrayType(value); - this.preUploadValue = new this.TranserArrayType(this.uploadArrayLength); - this.uploadValue = new Uint8Array(this.preUploadValue.buffer); - } - - getStringValueHandler() { - return utils.linesToString([ - `const preUploadValue_${this.name} = new ${this.TranserArrayType.name}(${this.uploadArrayLength})`, - `const uploadValue_${this.name} = new Uint8Array(preUploadValue_${this.name}.buffer)`, - `flattenTo(${this.varName}, preUploadValue_${this.name})`, - ]); - } - - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(value) { - if (value.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(value.constructor); - return; - } - const { context: gl } = this; - utils.flattenTo(value, this.preUploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.UNSIGNED_BYTE, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGLKernelValueUnsignedArray -}; -},{"../../../utils":114,"./array":40}],69:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('./array'); - -class WebGLKernelValueUnsignedInput extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - this.bitRatio = this.getBitRatio(value); - const [w, h, d] = value.size; - this.dimensions = new Int32Array([w || 1, h || 1, d || 1]); - this.textureSize = utils.getMemoryOptimizedPackedTextureSize(this.dimensions, this.bitRatio); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * (4 / this.bitRatio); - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.TranserArrayType = this.getTransferArrayType(value.value); - this.preUploadValue = new this.TranserArrayType(this.uploadArrayLength); - this.uploadValue = new Uint8Array(this.preUploadValue.buffer); - } - - getStringValueHandler() { - return utils.linesToString([ - `const preUploadValue_${this.name} = new ${this.TranserArrayType.name}(${this.uploadArrayLength})`, - `const uploadValue_${this.name} = new Uint8Array(preUploadValue_${this.name}.buffer)`, - `flattenTo(${this.varName}.value, preUploadValue_${this.name})`, - ]); - } - - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(input) { - if (input.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(value.constructor); - return; - } - const { context: gl } = this; - utils.flattenTo(input.value, this.preUploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.UNSIGNED_BYTE, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGLKernelValueUnsignedInput -}; -},{"../../../utils":114,"./array":40}],70:[function(require,module,exports){ -const { GLKernel } = require('../gl/kernel'); -const { FunctionBuilder } = require('../function-builder'); -const { WebGLFunctionNode } = require('./function-node'); -const { utils } = require('../../utils'); -const mrud = require('../../plugins/math-random-uniformly-distributed'); -const { fragmentShader } = require('./fragment-shader'); -const { vertexShader } = require('./vertex-shader'); -const { glKernelString } = require('../gl/kernel-string'); -const { lookupKernelValueType } = require('./kernel-value-maps'); - -let isSupported = null; -let testCanvas = null; -let testContext = null; -let testExtensions = null; -let features = null; - -const plugins = [mrud]; -const canvases = []; -const maxTexSizes = {}; - - -class WebGLKernel extends GLKernel { - static get isSupported() { - if (isSupported !== null) { - return isSupported; - } - this.setupFeatureChecks(); - isSupported = this.isContextMatch(testContext); - return isSupported; - } - - static setupFeatureChecks() { - if (typeof document !== 'undefined') { - testCanvas = document.createElement('canvas'); - } else if (typeof OffscreenCanvas !== 'undefined') { - testCanvas = new OffscreenCanvas(0, 0); - } - if (!testCanvas) return; - testContext = testCanvas.getContext('webgl') || testCanvas.getContext('experimental-webgl'); - if (!testContext || !testContext.getExtension) return; - testExtensions = { - OES_texture_float: testContext.getExtension('OES_texture_float'), - OES_texture_float_linear: testContext.getExtension('OES_texture_float_linear'), - OES_element_index_uint: testContext.getExtension('OES_element_index_uint'), - WEBGL_draw_buffers: testContext.getExtension('WEBGL_draw_buffers'), - }; - features = this.getFeatures(); - } - - static isContextMatch(context) { - if (typeof WebGLRenderingContext !== 'undefined') { - return context instanceof WebGLRenderingContext; - } - return false; - } - - static getIsTextureFloat() { - return Boolean(testExtensions.OES_texture_float); - } - - static getIsDrawBuffers() { - return Boolean(testExtensions.WEBGL_draw_buffers); - } - - static getChannelCount() { - return testExtensions.WEBGL_draw_buffers ? - testContext.getParameter(testExtensions.WEBGL_draw_buffers.MAX_DRAW_BUFFERS_WEBGL) : - 1; - } - - static getMaxTextureSize() { - return testContext.getParameter(testContext.MAX_TEXTURE_SIZE); - } - - static lookupKernelValueType(type, dynamic, precision, value) { - return lookupKernelValueType(type, dynamic, precision, value); - } - - static get testCanvas() { - return testCanvas; - } - - static get testContext() { - return testContext; - } - - static get features() { - return features; - } - - static get fragmentShader() { - return fragmentShader; - } - - static get vertexShader() { - return vertexShader; - } - - constructor(source, settings) { - super(source, settings); - this.program = null; - this.pipeline = settings.pipeline; - this.endianness = utils.systemEndianness(); - this.extensions = {}; - this.argumentTextureCount = 0; - this.constantTextureCount = 0; - this.fragShader = null; - this.vertShader = null; - this.drawBuffersMap = null; - - this.maxTexSize = null; - this.onRequestSwitchKernel = null; - - this.texture = null; - this.mappedTextures = null; - this.mergeSettings(source.settings || settings); - - this.threadDim = null; - this.framebuffer = null; - this.buffer = null; - - this.textureCache = []; - this.programUniformLocationCache = {}; - this.uniform1fCache = {}; - this.uniform1iCache = {}; - this.uniform2fCache = {}; - this.uniform2fvCache = {}; - this.uniform2ivCache = {}; - this.uniform3fvCache = {}; - this.uniform3ivCache = {}; - this.uniform4fvCache = {}; - this.uniform4ivCache = {}; - } - - initCanvas() { - if (typeof document !== 'undefined') { - const canvas = document.createElement('canvas'); - canvas.width = 2; - canvas.height = 2; - return canvas; - } else if (typeof OffscreenCanvas !== 'undefined') { - return new OffscreenCanvas(0, 0); - } - } - - initContext() { - const settings = { - alpha: false, - depth: false, - antialias: false - }; - return this.canvas.getContext('webgl', settings) || this.canvas.getContext('experimental-webgl', settings); - } - - initPlugins(settings) { - const pluginsToUse = []; - const { source } = this; - if (typeof source === 'string') { - for (let i = 0; i < plugins.length; i++) { - const plugin = plugins[i]; - if (source.match(plugin.functionMatch)) { - pluginsToUse.push(plugin); - } - } - } else if (typeof source === 'object') { - if (settings.pluginNames) { - for (let i = 0; i < plugins.length; i++) { - const plugin = plugins[i]; - const usePlugin = settings.pluginNames.some(pluginName => pluginName === plugin.name); - if (usePlugin) { - pluginsToUse.push(plugin); - } - } - } - } - return pluginsToUse; - } - - initExtensions() { - this.extensions = { - OES_texture_float: this.context.getExtension('OES_texture_float'), - OES_texture_float_linear: this.context.getExtension('OES_texture_float_linear'), - OES_element_index_uint: this.context.getExtension('OES_element_index_uint'), - WEBGL_draw_buffers: this.context.getExtension('WEBGL_draw_buffers'), - WEBGL_color_buffer_float: this.context.getExtension('WEBGL_color_buffer_float'), - }; - } - - validateSettings(args) { - if (!this.validate) { - this.texSize = utils.getKernelTextureSize({ - optimizeFloatMemory: this.optimizeFloatMemory, - precision: this.precision, - }, this.output); - return; - } - - const { features } = this.constructor; - - if (this.optimizeFloatMemory === true && !features.isTextureFloat) { - throw new Error('Float textures are not supported'); - } else if (this.precision === 'single' && !features.isFloatRead) { - throw new Error('Single precision not supported'); - } else if (!this.graphical && this.precision === null && features.isTextureFloat) { - this.precision = features.isFloatRead ? 'single' : 'unsigned'; - } - - if (this.subKernels && this.subKernels.length > 0 && !this.extensions.WEBGL_draw_buffers) { - throw new Error('could not instantiate draw buffers extension'); - } - - if (this.fixIntegerDivisionAccuracy === null) { - this.fixIntegerDivisionAccuracy = !features.isIntegerDivisionAccurate; - } else if (this.fixIntegerDivisionAccuracy && features.isIntegerDivisionAccurate) { - this.fixIntegerDivisionAccuracy = false; - } - - this.checkOutput(); - - if (!this.output || this.output.length === 0) { - if (args.length !== 1) { - throw new Error('Auto output only supported for kernels with only one input'); - } - - const argType = utils.getVariableType(args[0], this.strictIntegers); - switch (argType) { - case 'Array': - this.output = utils.getDimensions(argType); - break; - case 'NumberTexture': - case 'MemoryOptimizedNumberTexture': - case 'ArrayTexture(1)': - case 'ArrayTexture(2)': - case 'ArrayTexture(3)': - case 'ArrayTexture(4)': - this.output = args[0].output; - break; - default: - throw new Error('Auto output not supported for input type: ' + argType); - } - } - - if (this.graphical) { - if (this.output.length !== 2) { - throw new Error('Output must have 2 dimensions on graphical mode'); - } - - if (this.precision === 'precision') { - this.precision = 'unsigned'; - console.warn('Cannot use graphical mode and single precision at the same time'); - } - - this.texSize = utils.clone(this.output); - return; - } else if (this.precision === null && features.isTextureFloat) { - this.precision = 'single'; - } - - this.texSize = utils.getKernelTextureSize({ - optimizeFloatMemory: this.optimizeFloatMemory, - precision: this.precision, - }, this.output); - - this.checkTextureSize(); - } - - updateMaxTexSize() { - const { texSize, canvas } = this; - if (this.maxTexSize === null) { - let canvasIndex = canvases.indexOf(canvas); - if (canvasIndex === -1) { - canvasIndex = canvases.length; - canvases.push(canvas); - maxTexSizes[canvasIndex] = [texSize[0], texSize[1]]; - } - this.maxTexSize = maxTexSizes[canvasIndex]; - } - if (this.maxTexSize[0] < texSize[0]) { - this.maxTexSize[0] = texSize[0]; - } - if (this.maxTexSize[1] < texSize[1]) { - this.maxTexSize[1] = texSize[1]; - } - } - - setupArguments(args) { - this.kernelArguments = []; - this.argumentTextureCount = 0; - const needsArgumentTypes = this.argumentTypes === null; - if (needsArgumentTypes) { - this.argumentTypes = []; - } - this.argumentSizes = []; - this.argumentBitRatios = []; - - if (args.length < this.argumentNames.length) { - throw new Error('not enough arguments for kernel'); - } else if (args.length > this.argumentNames.length) { - throw new Error('too many arguments for kernel'); - } - - const { context: gl } = this; - let textureIndexes = 0; - - const onRequestTexture = () => { - return this.createTexture(); - }; - const onRequestIndex = () => { - return this.constantTextureCount + textureIndexes++; - }; - const onUpdateValueMismatch = (constructor) => { - this.switchKernels({ - type: 'argumentMismatch', - needed: constructor - }); - }; - const onRequestContextHandle = () => { - return gl.TEXTURE0 + this.constantTextureCount + this.argumentTextureCount++; - }; - - for (let index = 0; index < args.length; index++) { - const value = args[index]; - const name = this.argumentNames[index]; - let type; - if (needsArgumentTypes) { - type = utils.getVariableType(value, this.strictIntegers); - this.argumentTypes.push(type); - } else { - type = this.argumentTypes[index]; - } - const KernelValue = this.constructor.lookupKernelValueType(type, this.dynamicArguments ? 'dynamic' : 'static', this.precision, args[index]); - if (KernelValue === null) { - return this.requestFallback(args); - } - const kernelArgument = new KernelValue(value, { - name, - type, - tactic: this.tactic, - origin: 'user', - context: gl, - checkContext: this.checkContext, - kernel: this, - strictIntegers: this.strictIntegers, - onRequestTexture, - onRequestIndex, - onUpdateValueMismatch, - onRequestContextHandle, - }); - this.kernelArguments.push(kernelArgument); - kernelArgument.setup(); - this.argumentSizes.push(kernelArgument.textureSize); - this.argumentBitRatios[index] = kernelArgument.bitRatio; - } - } - - createTexture() { - const texture = this.context.createTexture(); - this.textureCache.push(texture); - return texture; - } - - setupConstants(args) { - const { context: gl } = this; - this.kernelConstants = []; - this.forceUploadKernelConstants = []; - let needsConstantTypes = this.constantTypes === null; - if (needsConstantTypes) { - this.constantTypes = {}; - } - this.constantBitRatios = {}; - let textureIndexes = 0; - for (const name in this.constants) { - const value = this.constants[name]; - let type; - if (needsConstantTypes) { - type = utils.getVariableType(value, this.strictIntegers); - this.constantTypes[name] = type; - } else { - type = this.constantTypes[name]; - } - const KernelValue = this.constructor.lookupKernelValueType(type, 'static', this.precision, value); - if (KernelValue === null) { - return this.requestFallback(args); - } - const kernelValue = new KernelValue(value, { - name, - type, - tactic: this.tactic, - origin: 'constants', - context: this.context, - checkContext: this.checkContext, - kernel: this, - strictIntegers: this.strictIntegers, - onRequestTexture: () => { - return this.createTexture(); - }, - onRequestIndex: () => { - return textureIndexes++; - }, - onRequestContextHandle: () => { - return gl.TEXTURE0 + this.constantTextureCount++; - } - }); - this.constantBitRatios[name] = kernelValue.bitRatio; - this.kernelConstants.push(kernelValue); - kernelValue.setup(); - if (kernelValue.forceUploadEachRun) { - this.forceUploadKernelConstants.push(kernelValue); - } - } - } - - build() { - if (this.built) return; - this.initExtensions(); - this.validateSettings(arguments); - this.setupConstants(arguments); - if (this.fallbackRequested) return; - this.setupArguments(arguments); - if (this.fallbackRequested) return; - this.updateMaxTexSize(); - this.translateSource(); - const failureResult = this.pickRenderStrategy(arguments); - if (failureResult) { - return failureResult; - } - const { texSize, context: gl, canvas } = this; - gl.enable(gl.SCISSOR_TEST); - if (this.pipeline && this.precision === 'single') { - gl.viewport(0, 0, this.maxTexSize[0], this.maxTexSize[1]); - canvas.width = this.maxTexSize[0]; - canvas.height = this.maxTexSize[1]; - } else { - gl.viewport(0, 0, this.maxTexSize[0], this.maxTexSize[1]); - canvas.width = this.maxTexSize[0]; - canvas.height = this.maxTexSize[1]; - } - const threadDim = this.threadDim = Array.from(this.output); - while (threadDim.length < 3) { - threadDim.push(1); - } - - const compiledVertexShader = this.getVertexShader(arguments); - const vertShader = gl.createShader(gl.VERTEX_SHADER); - gl.shaderSource(vertShader, compiledVertexShader); - gl.compileShader(vertShader); - this.vertShader = vertShader; - - const compiledFragmentShader = this.getFragmentShader(arguments); - const fragShader = gl.createShader(gl.FRAGMENT_SHADER); - gl.shaderSource(fragShader, compiledFragmentShader); - gl.compileShader(fragShader); - this.fragShader = fragShader; - - if (this.debug) { - console.log('GLSL Shader Output:'); - console.log(compiledFragmentShader); - } - - if (!gl.getShaderParameter(vertShader, gl.COMPILE_STATUS)) { - throw new Error('Error compiling vertex shader: ' + gl.getShaderInfoLog(vertShader)); - } - if (!gl.getShaderParameter(fragShader, gl.COMPILE_STATUS)) { - throw new Error('Error compiling fragment shader: ' + gl.getShaderInfoLog(fragShader)); - } - - const program = this.program = gl.createProgram(); - gl.attachShader(program, vertShader); - gl.attachShader(program, fragShader); - gl.linkProgram(program); - this.framebuffer = gl.createFramebuffer(); - this.framebuffer.width = texSize[0]; - this.framebuffer.height = texSize[1]; - this.rawValueFramebuffers = {}; - - const vertices = new Float32Array([-1, -1, - 1, -1, -1, 1, - 1, 1 - ]); - const texCoords = new Float32Array([ - 0, 0, - 1, 0, - 0, 1, - 1, 1 - ]); - - const texCoordOffset = vertices.byteLength; - - let buffer = this.buffer; - if (!buffer) { - buffer = this.buffer = gl.createBuffer(); - gl.bindBuffer(gl.ARRAY_BUFFER, buffer); - gl.bufferData(gl.ARRAY_BUFFER, vertices.byteLength + texCoords.byteLength, gl.STATIC_DRAW); - } else { - gl.bindBuffer(gl.ARRAY_BUFFER, buffer); - } - - gl.bufferSubData(gl.ARRAY_BUFFER, 0, vertices); - gl.bufferSubData(gl.ARRAY_BUFFER, texCoordOffset, texCoords); - - const aPosLoc = gl.getAttribLocation(this.program, 'aPos'); - gl.enableVertexAttribArray(aPosLoc); - gl.vertexAttribPointer(aPosLoc, 2, gl.FLOAT, false, 0, 0); - const aTexCoordLoc = gl.getAttribLocation(this.program, 'aTexCoord'); - gl.enableVertexAttribArray(aTexCoordLoc); - gl.vertexAttribPointer(aTexCoordLoc, 2, gl.FLOAT, false, 0, texCoordOffset); - gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer); - - let i = 0; - gl.useProgram(this.program); - for (let p in this.constants) { - this.kernelConstants[i++].updateValue(this.constants[p]); - } - - this._setupOutputTexture(); - if ( - this.subKernels !== null && - this.subKernels.length > 0 - ) { - this._mappedTextureSwitched = {}; - this._setupSubOutputTextures(); - } - this.buildSignature(arguments); - this.built = true; - } - - translateSource() { - const functionBuilder = FunctionBuilder.fromKernel(this, WebGLFunctionNode, { - fixIntegerDivisionAccuracy: this.fixIntegerDivisionAccuracy - }); - this.translatedSource = functionBuilder.getPrototypeString('kernel'); - this.setupReturnTypes(functionBuilder); - } - - setupReturnTypes(functionBuilder) { - if (!this.graphical && !this.returnType) { - this.returnType = functionBuilder.getKernelResultType(); - } - - if (this.subKernels && this.subKernels.length > 0) { - for (let i = 0; i < this.subKernels.length; i++) { - const subKernel = this.subKernels[i]; - if (!subKernel.returnType) { - subKernel.returnType = functionBuilder.getSubKernelResultType(i); - } - } - } - } - - run() { - const { kernelArguments, texSize, forceUploadKernelConstants, context: gl } = this; - - gl.useProgram(this.program); - gl.scissor(0, 0, texSize[0], texSize[1]); - if (this.dynamicOutput) { - this.setUniform3iv('uOutputDim', new Int32Array(this.threadDim)); - this.setUniform2iv('uTexSize', texSize); - } - - this.setUniform2f('ratio', texSize[0] / this.maxTexSize[0], texSize[1] / this.maxTexSize[1]); - - for (let i = 0; i < forceUploadKernelConstants.length; i++) { - const constant = forceUploadKernelConstants[i]; - constant.updateValue(this.constants[constant.name]); - if (this.switchingKernels) return; - } - for (let i = 0; i < kernelArguments.length; i++) { - kernelArguments[i].updateValue(arguments[i]); - if (this.switchingKernels) return; - } - - if (this.plugins) { - for (let i = 0; i < this.plugins.length; i++) { - const plugin = this.plugins[i]; - if (plugin.onBeforeRun) { - plugin.onBeforeRun(this); - } - } - } - - if (this.graphical) { - if (this.pipeline) { - gl.bindRenderbuffer(gl.RENDERBUFFER, null); - gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer); - if (this.immutable) { - this._replaceOutputTexture(); - } - gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4); - return this.immutable ? this.texture.clone() : this.texture; - } - gl.bindRenderbuffer(gl.RENDERBUFFER, null); - gl.bindFramebuffer(gl.FRAMEBUFFER, null); - gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4); - return; - } - - gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer); - if (this.immutable) { - this._replaceOutputTexture(); - } - - if (this.subKernels !== null) { - if (this.immutable) { - this._replaceSubOutputTextures(); - } - this.drawBuffers(); - } - - gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4); - } - - drawBuffers() { - this.extensions.WEBGL_draw_buffers.drawBuffersWEBGL(this.drawBuffersMap); - } - - getInternalFormat() { - return this.context.RGBA; - } - getTextureFormat() { - const { context: gl } = this; - switch (this.getInternalFormat()) { - case gl.RGBA: - return gl.RGBA; - default: - throw new Error('Unknown internal format'); - } - } - - _replaceOutputTexture() { - if (this.texture.beforeMutate() || this._textureSwitched) { - const gl = this.context; - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, this.texture.texture, 0); - this._textureSwitched = false; - } - } - - _setupOutputTexture() { - const gl = this.context; - const texSize = this.texSize; - if (this.texture) { - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, this.texture.texture, 0); - return; - } - const texture = this.createTexture(); - gl.activeTexture(gl.TEXTURE0 + this.constantTextureCount + this.argumentTextureCount); - gl.bindTexture(gl.TEXTURE_2D, texture); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - const format = this.getInternalFormat(); - if (this.precision === 'single') { - gl.texImage2D(gl.TEXTURE_2D, 0, format, texSize[0], texSize[1], 0, gl.RGBA, gl.FLOAT, null); - } else { - gl.texImage2D(gl.TEXTURE_2D, 0, format, texSize[0], texSize[1], 0, format, gl.UNSIGNED_BYTE, null); - } - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0); - this.texture = new this.TextureConstructor({ - texture, - size: texSize, - dimensions: this.threadDim, - output: this.output, - context: this.context, - internalFormat: this.getInternalFormat(), - textureFormat: this.getTextureFormat(), - kernel: this, - }); - } - - _replaceSubOutputTextures() { - const gl = this.context; - for (let i = 0; i < this.mappedTextures.length; i++) { - const mappedTexture = this.mappedTextures[i]; - if (mappedTexture.beforeMutate() || this._mappedTextureSwitched[i]) { - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0 + i + 1, gl.TEXTURE_2D, mappedTexture.texture, 0); - this._mappedTextureSwitched[i] = false; - } - } - } - - _setupSubOutputTextures() { - const gl = this.context; - if (this.mappedTextures) { - for (let i = 0; i < this.subKernels.length; i++) { - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0 + i + 1, gl.TEXTURE_2D, this.mappedTextures[i].texture, 0); - } - return; - } - const texSize = this.texSize; - this.drawBuffersMap = [gl.COLOR_ATTACHMENT0]; - this.mappedTextures = []; - for (let i = 0; i < this.subKernels.length; i++) { - const texture = this.createTexture(); - this.drawBuffersMap.push(gl.COLOR_ATTACHMENT0 + i + 1); - gl.activeTexture(gl.TEXTURE0 + this.constantTextureCount + this.argumentTextureCount + i); - gl.bindTexture(gl.TEXTURE_2D, texture); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - if (this.precision === 'single') { - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, texSize[0], texSize[1], 0, gl.RGBA, gl.FLOAT, null); - } else { - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, texSize[0], texSize[1], 0, gl.RGBA, gl.UNSIGNED_BYTE, null); - } - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0 + i + 1, gl.TEXTURE_2D, texture, 0); - - this.mappedTextures.push(new this.TextureConstructor({ - texture, - size: texSize, - dimensions: this.threadDim, - output: this.output, - context: this.context, - internalFormat: this.getInternalFormat(), - textureFormat: this.getTextureFormat(), - kernel: this, - })); - } - } - - setUniform1f(name, value) { - if (this.uniform1fCache.hasOwnProperty(name)) { - const cache = this.uniform1fCache[name]; - if (value === cache) { - return; - } - } - this.uniform1fCache[name] = value; - const loc = this.getUniformLocation(name); - this.context.uniform1f(loc, value); - } - - setUniform1i(name, value) { - if (this.uniform1iCache.hasOwnProperty(name)) { - const cache = this.uniform1iCache[name]; - if (value === cache) { - return; - } - } - this.uniform1iCache[name] = value; - const loc = this.getUniformLocation(name); - this.context.uniform1i(loc, value); - } - - setUniform2f(name, value1, value2) { - if (this.uniform2fCache.hasOwnProperty(name)) { - const cache = this.uniform2fCache[name]; - if ( - value1 === cache[0] && - value2 === cache[1] - ) { - return; - } - } - this.uniform2fCache[name] = [value1, value2]; - const loc = this.getUniformLocation(name); - this.context.uniform2f(loc, value1, value2); - } - - setUniform2fv(name, value) { - if (this.uniform2fvCache.hasOwnProperty(name)) { - const cache = this.uniform2fvCache[name]; - if ( - value[0] === cache[0] && - value[1] === cache[1] - ) { - return; - } - } - this.uniform2fvCache[name] = value; - const loc = this.getUniformLocation(name); - this.context.uniform2fv(loc, value); - } - - setUniform2iv(name, value) { - if (this.uniform2ivCache.hasOwnProperty(name)) { - const cache = this.uniform2ivCache[name]; - if ( - value[0] === cache[0] && - value[1] === cache[1] - ) { - return; - } - } - this.uniform2ivCache[name] = value; - const loc = this.getUniformLocation(name); - this.context.uniform2iv(loc, value); - } - - setUniform3fv(name, value) { - if (this.uniform3fvCache.hasOwnProperty(name)) { - const cache = this.uniform3fvCache[name]; - if ( - value[0] === cache[0] && - value[1] === cache[1] && - value[2] === cache[2] - ) { - return; - } - } - this.uniform3fvCache[name] = value; - const loc = this.getUniformLocation(name); - this.context.uniform3fv(loc, value); - } - - setUniform3iv(name, value) { - if (this.uniform3ivCache.hasOwnProperty(name)) { - const cache = this.uniform3ivCache[name]; - if ( - value[0] === cache[0] && - value[1] === cache[1] && - value[2] === cache[2] - ) { - return; - } - } - this.uniform3ivCache[name] = value; - const loc = this.getUniformLocation(name); - this.context.uniform3iv(loc, value); - } - - setUniform4fv(name, value) { - if (this.uniform4fvCache.hasOwnProperty(name)) { - const cache = this.uniform4fvCache[name]; - if ( - value[0] === cache[0] && - value[1] === cache[1] && - value[2] === cache[2] && - value[3] === cache[3] - ) { - return; - } - } - this.uniform4fvCache[name] = value; - const loc = this.getUniformLocation(name); - this.context.uniform4fv(loc, value); - } - - setUniform4iv(name, value) { - if (this.uniform4ivCache.hasOwnProperty(name)) { - const cache = this.uniform4ivCache[name]; - if ( - value[0] === cache[0] && - value[1] === cache[1] && - value[2] === cache[2] && - value[3] === cache[3] - ) { - return; - } - } - this.uniform4ivCache[name] = value; - const loc = this.getUniformLocation(name); - this.context.uniform4iv(loc, value); - } - - getUniformLocation(name) { - if (this.programUniformLocationCache.hasOwnProperty(name)) { - return this.programUniformLocationCache[name]; - } - return this.programUniformLocationCache[name] = this.context.getUniformLocation(this.program, name); - } - - _getFragShaderArtifactMap(args) { - return { - HEADER: this._getHeaderString(), - LOOP_MAX: this._getLoopMaxString(), - PLUGINS: this._getPluginsString(), - CONSTANTS: this._getConstantsString(), - DECODE32_ENDIANNESS: this._getDecode32EndiannessString(), - ENCODE32_ENDIANNESS: this._getEncode32EndiannessString(), - DIVIDE_WITH_INTEGER_CHECK: this._getDivideWithIntegerCheckString(), - INJECTED_NATIVE: this._getInjectedNative(), - MAIN_CONSTANTS: this._getMainConstantsString(), - MAIN_ARGUMENTS: this._getMainArgumentsString(args), - KERNEL: this.getKernelString(), - MAIN_RESULT: this.getMainResultString(), - FLOAT_TACTIC_DECLARATION: this.getFloatTacticDeclaration(), - INT_TACTIC_DECLARATION: this.getIntTacticDeclaration(), - SAMPLER_2D_TACTIC_DECLARATION: this.getSampler2DTacticDeclaration(), - SAMPLER_2D_ARRAY_TACTIC_DECLARATION: this.getSampler2DArrayTacticDeclaration(), - }; - } - - _getVertShaderArtifactMap(args) { - return { - FLOAT_TACTIC_DECLARATION: this.getFloatTacticDeclaration(), - INT_TACTIC_DECLARATION: this.getIntTacticDeclaration(), - SAMPLER_2D_TACTIC_DECLARATION: this.getSampler2DTacticDeclaration(), - SAMPLER_2D_ARRAY_TACTIC_DECLARATION: this.getSampler2DArrayTacticDeclaration(), - }; - } - - _getHeaderString() { - return ( - this.subKernels !== null ? - '#extension GL_EXT_draw_buffers : require\n' : - '' - ); - } - - _getLoopMaxString() { - return ( - this.loopMaxIterations ? - ` ${parseInt(this.loopMaxIterations)};\n` : - ' 1000;\n' - ); - } - - _getPluginsString() { - if (!this.plugins) return '\n'; - return this.plugins.map(plugin => plugin.source && this.source.match(plugin.functionMatch) ? plugin.source : '').join('\n'); - } - - _getConstantsString() { - const result = []; - const { threadDim, texSize } = this; - if (this.dynamicOutput) { - result.push( - 'uniform ivec3 uOutputDim', - 'uniform ivec2 uTexSize' - ); - } else { - result.push( - `ivec3 uOutputDim = ivec3(${threadDim[0]}, ${threadDim[1]}, ${threadDim[2]})`, - `ivec2 uTexSize = ivec2(${texSize[0]}, ${texSize[1]})` - ); - } - return utils.linesToString(result); - } - - _getTextureCoordinate() { - const subKernels = this.subKernels; - if (subKernels === null || subKernels.length < 1) { - return 'varying vec2 vTexCoord;\n'; - } else { - return 'out vec2 vTexCoord;\n'; - } - } - - _getDecode32EndiannessString() { - return ( - this.endianness === 'LE' ? - '' : - ' texel.rgba = texel.abgr;\n' - ); - } - - _getEncode32EndiannessString() { - return ( - this.endianness === 'LE' ? - '' : - ' texel.rgba = texel.abgr;\n' - ); - } - - _getDivideWithIntegerCheckString() { - return this.fixIntegerDivisionAccuracy ? - `float divWithIntCheck(float x, float y) { - if (floor(x) == x && floor(y) == y && integerMod(x, y) == 0.0) { - return float(int(x) / int(y)); - } - return x / y; -} - -float integerCorrectionModulo(float number, float divisor) { - if (number < 0.0) { - number = abs(number); - if (divisor < 0.0) { - divisor = abs(divisor); - } - return -(number - (divisor * floor(divWithIntCheck(number, divisor)))); - } - if (divisor < 0.0) { - divisor = abs(divisor); - } - return number - (divisor * floor(divWithIntCheck(number, divisor))); -}` : - ''; - } - - _getMainArgumentsString(args) { - const results = []; - const { argumentNames } = this; - for (let i = 0; i < argumentNames.length; i++) { - results.push(this.kernelArguments[i].getSource(args[i])); - } - return results.join(''); - } - - _getInjectedNative() { - return this.injectedNative || ''; - } - - _getMainConstantsString() { - const result = []; - const { constants } = this; - if (constants) { - let i = 0; - for (const name in constants) { - if (!this.constants.hasOwnProperty(name)) continue; - result.push(this.kernelConstants[i++].getSource(this.constants[name])); - } - } - return result.join(''); - } - - getRawValueFramebuffer(width, height) { - if (!this.rawValueFramebuffers[width]) { - this.rawValueFramebuffers[width] = {}; - } - if (!this.rawValueFramebuffers[width][height]) { - const framebuffer = this.context.createFramebuffer(); - framebuffer.width = width; - framebuffer.height = height; - this.rawValueFramebuffers[width][height] = framebuffer; - } - return this.rawValueFramebuffers[width][height]; - } - - getKernelResultDeclaration() { - switch (this.returnType) { - case 'Array(2)': - return 'vec2 kernelResult'; - case 'Array(3)': - return 'vec3 kernelResult'; - case 'Array(4)': - return 'vec4 kernelResult'; - case 'LiteralInteger': - case 'Float': - case 'Number': - case 'Integer': - return 'float kernelResult'; - default: - if (this.graphical) { - return 'float kernelResult'; - } else { - throw new Error(`unrecognized output type "${ this.returnType }"`); - } - } - } - getKernelString() { - const result = [this.getKernelResultDeclaration()]; - const { subKernels } = this; - if (subKernels !== null) { - switch (this.returnType) { - case 'Number': - case 'Float': - case 'Integer': - for (let i = 0; i < subKernels.length; i++) { - const subKernel = subKernels[i]; - result.push( - subKernel.returnType === 'Integer' ? - `int subKernelResult_${ subKernel.name } = 0` : - `float subKernelResult_${ subKernel.name } = 0.0` - ); - } - break; - case 'Array(2)': - for (let i = 0; i < subKernels.length; i++) { - result.push( - `vec2 subKernelResult_${ subKernels[i].name }` - ); - } - break; - case 'Array(3)': - for (let i = 0; i < subKernels.length; i++) { - result.push( - `vec3 subKernelResult_${ subKernels[i].name }` - ); - } - break; - case 'Array(4)': - for (let i = 0; i < subKernels.length; i++) { - result.push( - `vec4 subKernelResult_${ subKernels[i].name }` - ); - } - break; - } - } - - return utils.linesToString(result) + this.translatedSource; - } - - getMainResultGraphical() { - return utils.linesToString([ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ' gl_FragColor = actualColor', - ]); - } - - getMainResultPackedPixels() { - switch (this.returnType) { - case 'LiteralInteger': - case 'Number': - case 'Integer': - case 'Float': - return this.getMainResultKernelPackedPixels() + - this.getMainResultSubKernelPackedPixels(); - default: - throw new Error(`packed output only usable with Numbers, "${this.returnType}" specified`); - } - } - - getMainResultKernelPackedPixels() { - return utils.linesToString([ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ` gl_FragData[0] = ${this.useLegacyEncoder ? 'legacyEncode32' : 'encode32'}(kernelResult)` - ]); - } - - getMainResultSubKernelPackedPixels() { - const result = []; - if (!this.subKernels) return ''; - for (let i = 0; i < this.subKernels.length; i++) { - const subKernel = this.subKernels[i]; - if (subKernel.returnType === 'Integer') { - result.push( - ` gl_FragData[${i + 1}] = ${this.useLegacyEncoder ? 'legacyEncode32' : 'encode32'}(float(subKernelResult_${this.subKernels[i].name}))` - ); - } else { - result.push( - ` gl_FragData[${i + 1}] = ${this.useLegacyEncoder ? 'legacyEncode32' : 'encode32'}(subKernelResult_${this.subKernels[i].name})` - ); - } - } - return utils.linesToString(result); - } - - getMainResultMemoryOptimizedFloats() { - const result = [ - ' index *= 4', - ]; - - switch (this.returnType) { - case 'Number': - case 'Integer': - case 'Float': - const channels = ['r', 'g', 'b', 'a']; - for (let i = 0; i < channels.length; i++) { - const channel = channels[i]; - this.getMainResultKernelMemoryOptimizedFloats(result, channel); - this.getMainResultSubKernelMemoryOptimizedFloats(result, channel); - if (i + 1 < channels.length) { - result.push(' index += 1'); - } - } - break; - default: - throw new Error(`optimized output only usable with Numbers, ${this.returnType} specified`); - } - - return utils.linesToString(result); - } - - getMainResultKernelMemoryOptimizedFloats(result, channel) { - result.push( - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ` gl_FragData[0].${channel} = kernelResult` - ); - } - - getMainResultSubKernelMemoryOptimizedFloats(result, channel) { - if (!this.subKernels) return result; - for (let i = 0; i < this.subKernels.length; i++) { - const subKernel = this.subKernels[i]; - if (subKernel.returnType === 'Integer') { - result.push( - ` gl_FragData[${i + 1}].${channel} = float(subKernelResult_${this.subKernels[i].name})` - ); - } else { - result.push( - ` gl_FragData[${i + 1}].${channel} = subKernelResult_${this.subKernels[i].name}` - ); - } - } - } - - getMainResultKernelNumberTexture() { - return [ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ' gl_FragData[0][0] = kernelResult', - ]; - } - - getMainResultSubKernelNumberTexture() { - const result = []; - if (!this.subKernels) return result; - for (let i = 0; i < this.subKernels.length; ++i) { - const subKernel = this.subKernels[i]; - if (subKernel.returnType === 'Integer') { - result.push( - ` gl_FragData[${i + 1}][0] = float(subKernelResult_${subKernel.name})` - ); - } else { - result.push( - ` gl_FragData[${i + 1}][0] = subKernelResult_${subKernel.name}` - ); - } - } - return result; - } - - getMainResultKernelArray2Texture() { - return [ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ' gl_FragData[0][0] = kernelResult[0]', - ' gl_FragData[0][1] = kernelResult[1]', - ]; - } - - getMainResultSubKernelArray2Texture() { - const result = []; - if (!this.subKernels) return result; - for (let i = 0; i < this.subKernels.length; ++i) { - result.push( - ` gl_FragData[${i + 1}][0] = subKernelResult_${this.subKernels[i].name}[0]`, - ` gl_FragData[${i + 1}][1] = subKernelResult_${this.subKernels[i].name}[1]` - ); - } - return result; - } - - getMainResultKernelArray3Texture() { - return [ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ' gl_FragData[0][0] = kernelResult[0]', - ' gl_FragData[0][1] = kernelResult[1]', - ' gl_FragData[0][2] = kernelResult[2]', - ]; - } - - getMainResultSubKernelArray3Texture() { - const result = []; - if (!this.subKernels) return result; - for (let i = 0; i < this.subKernels.length; ++i) { - result.push( - ` gl_FragData[${i + 1}][0] = subKernelResult_${this.subKernels[i].name}[0]`, - ` gl_FragData[${i + 1}][1] = subKernelResult_${this.subKernels[i].name}[1]`, - ` gl_FragData[${i + 1}][2] = subKernelResult_${this.subKernels[i].name}[2]` - ); - } - return result; - } - - getMainResultKernelArray4Texture() { - return [ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ' gl_FragData[0] = kernelResult', - ]; - } - - getMainResultSubKernelArray4Texture() { - const result = []; - if (!this.subKernels) return result; - switch (this.returnType) { - case 'Number': - case 'Float': - case 'Integer': - for (let i = 0; i < this.subKernels.length; ++i) { - const subKernel = this.subKernels[i]; - if (subKernel.returnType === 'Integer') { - result.push( - ` gl_FragData[${i + 1}] = float(subKernelResult_${this.subKernels[i].name})` - ); - } else { - result.push( - ` gl_FragData[${i + 1}] = subKernelResult_${this.subKernels[i].name}` - ); - } - } - break; - case 'Array(2)': - for (let i = 0; i < this.subKernels.length; ++i) { - result.push( - ` gl_FragData[${i + 1}][0] = subKernelResult_${this.subKernels[i].name}[0]`, - ` gl_FragData[${i + 1}][1] = subKernelResult_${this.subKernels[i].name}[1]` - ); - } - break; - case 'Array(3)': - for (let i = 0; i < this.subKernels.length; ++i) { - result.push( - ` gl_FragData[${i + 1}][0] = subKernelResult_${this.subKernels[i].name}[0]`, - ` gl_FragData[${i + 1}][1] = subKernelResult_${this.subKernels[i].name}[1]`, - ` gl_FragData[${i + 1}][2] = subKernelResult_${this.subKernels[i].name}[2]` - ); - } - break; - case 'Array(4)': - for (let i = 0; i < this.subKernels.length; ++i) { - result.push( - ` gl_FragData[${i + 1}][0] = subKernelResult_${this.subKernels[i].name}[0]`, - ` gl_FragData[${i + 1}][1] = subKernelResult_${this.subKernels[i].name}[1]`, - ` gl_FragData[${i + 1}][2] = subKernelResult_${this.subKernels[i].name}[2]`, - ` gl_FragData[${i + 1}][3] = subKernelResult_${this.subKernels[i].name}[3]` - ); - } - break; - } - - return result; - } - - replaceArtifacts(src, map) { - return src.replace(/[ ]*__([A-Z]+[0-9]*([_]?[A-Z]*[0-9]?)*)__;\n/g, (match, artifact) => { - if (map.hasOwnProperty(artifact)) { - return map[artifact]; - } - throw `unhandled artifact ${artifact}`; - }); - } - - getFragmentShader(args) { - if (this.compiledFragmentShader !== null) { - return this.compiledFragmentShader; - } - return this.compiledFragmentShader = this.replaceArtifacts(this.constructor.fragmentShader, this._getFragShaderArtifactMap(args)); - } - - getVertexShader(args) { - if (this.compiledVertexShader !== null) { - return this.compiledVertexShader; - } - return this.compiledVertexShader = this.replaceArtifacts(this.constructor.vertexShader, this._getVertShaderArtifactMap(args)); - } - - toString() { - const setupContextString = utils.linesToString([ - `const gl = context`, - ]); - return glKernelString(this.constructor, arguments, this, setupContextString); - } - - destroy(removeCanvasReferences) { - if (!this.context) return; - if (this.buffer) { - this.context.deleteBuffer(this.buffer); - } - if (this.framebuffer) { - this.context.deleteFramebuffer(this.framebuffer); - } - for (const width in this.rawValueFramebuffers) { - for (const height in this.rawValueFramebuffers[width]) { - this.context.deleteFramebuffer(this.rawValueFramebuffers[width][height]); - delete this.rawValueFramebuffers[width][height]; - } - delete this.rawValueFramebuffers[width]; - } - if (this.vertShader) { - this.context.deleteShader(this.vertShader); - } - if (this.fragShader) { - this.context.deleteShader(this.fragShader); - } - if (this.program) { - this.context.deleteProgram(this.program); - } - if (this.texture) { - this.texture.delete(); - const textureCacheIndex = this.textureCache.indexOf(this.texture.texture); - if (textureCacheIndex > -1) { - this.textureCache.splice(textureCacheIndex, 1); - } - this.texture = null; - } - if (this.mappedTextures && this.mappedTextures.length) { - for (let i = 0; i < this.mappedTextures.length; i++) { - const mappedTexture = this.mappedTextures[i]; - mappedTexture.delete(); - const textureCacheIndex = this.textureCache.indexOf(mappedTexture.texture); - if (textureCacheIndex > -1) { - this.textureCache.splice(textureCacheIndex, 1); - } - } - this.mappedTextures = null; - } - if (this.kernelArguments) { - for (let i = 0; i < this.kernelArguments.length; i++) { - this.kernelArguments[i].destroy(); - } - } - if (this.kernelConstants) { - for (let i = 0; i < this.kernelConstants.length; i++) { - this.kernelConstants[i].destroy(); - } - } - while (this.textureCache.length > 0) { - const texture = this.textureCache.pop(); - this.context.deleteTexture(texture); - } - if (removeCanvasReferences) { - const idx = canvases.indexOf(this.canvas); - if (idx >= 0) { - canvases[idx] = null; - maxTexSizes[idx] = null; - } - } - this.destroyExtensions(); - delete this.context; - delete this.canvas; - if (!this.gpu) return; - const i = this.gpu.kernels.indexOf(this); - if (i === -1) return; - this.gpu.kernels.splice(i, 1); - } - - destroyExtensions() { - this.extensions.OES_texture_float = null; - this.extensions.OES_texture_float_linear = null; - this.extensions.OES_element_index_uint = null; - this.extensions.WEBGL_draw_buffers = null; - } - - static destroyContext(context) { - const extension = context.getExtension('WEBGL_lose_context'); - if (extension) { - extension.loseContext(); - } - } - - toJSON() { - const json = super.toJSON(); - json.functionNodes = FunctionBuilder.fromKernel(this, WebGLFunctionNode).toJSON(); - json.settings.threadDim = this.threadDim; - return json; - } -} - -module.exports = { - WebGLKernel -}; -},{"../../plugins/math-random-uniformly-distributed":112,"../../utils":114,"../function-builder":9,"../gl/kernel":13,"../gl/kernel-string":12,"./fragment-shader":37,"./function-node":38,"./kernel-value-maps":39,"./vertex-shader":71}],71:[function(require,module,exports){ -const vertexShader = `__FLOAT_TACTIC_DECLARATION__; -__INT_TACTIC_DECLARATION__; -__SAMPLER_2D_TACTIC_DECLARATION__; - -attribute vec2 aPos; -attribute vec2 aTexCoord; - -varying vec2 vTexCoord; -uniform vec2 ratio; - -void main(void) { - gl_Position = vec4((aPos + vec2(1)) * ratio + vec2(-1), 0, 1); - vTexCoord = aTexCoord; -}`; - -module.exports = { - vertexShader -}; -},{}],72:[function(require,module,exports){ -const fragmentShader = `#version 300 es -__HEADER__; -__FLOAT_TACTIC_DECLARATION__; -__INT_TACTIC_DECLARATION__; -__SAMPLER_2D_TACTIC_DECLARATION__; -__SAMPLER_2D_ARRAY_TACTIC_DECLARATION__; - -const int LOOP_MAX = __LOOP_MAX__; - -__PLUGINS__; -__CONSTANTS__; - -in vec2 vTexCoord; - -float atan2(float v1, float v2) { - if (v1 == 0.0 || v2 == 0.0) return 0.0; - return atan(v1 / v2); -} - -float cbrt(float x) { - if (x >= 0.0) { - return pow(x, 1.0 / 3.0); - } else { - return -pow(x, 1.0 / 3.0); - } -} - -float expm1(float x) { - return pow(${Math.E}, x) - 1.0; -} - -float fround(highp float x) { - return x; -} - -float imul(float v1, float v2) { - return float(int(v1) * int(v2)); -} - -float log10(float x) { - return log2(x) * (1.0 / log2(10.0)); -} - -float log1p(float x) { - return log(1.0 + x); -} - -float _pow(float v1, float v2) { - if (v2 == 0.0) return 1.0; - return pow(v1, v2); -} - -float _round(float x) { - return floor(x + 0.5); -} - - -const int BIT_COUNT = 32; -int modi(int x, int y) { - return x - y * (x / y); -} - -int bitwiseOr(int a, int b) { - int result = 0; - int n = 1; - - for (int i = 0; i < BIT_COUNT; i++) { - if ((modi(a, 2) == 1) || (modi(b, 2) == 1)) { - result += n; - } - a = a / 2; - b = b / 2; - n = n * 2; - if(!(a > 0 || b > 0)) { - break; - } - } - return result; -} -int bitwiseXOR(int a, int b) { - int result = 0; - int n = 1; - - for (int i = 0; i < BIT_COUNT; i++) { - if ((modi(a, 2) == 1) != (modi(b, 2) == 1)) { - result += n; - } - a = a / 2; - b = b / 2; - n = n * 2; - if(!(a > 0 || b > 0)) { - break; - } - } - return result; -} -int bitwiseAnd(int a, int b) { - int result = 0; - int n = 1; - for (int i = 0; i < BIT_COUNT; i++) { - if ((modi(a, 2) == 1) && (modi(b, 2) == 1)) { - result += n; - } - a = a / 2; - b = b / 2; - n = n * 2; - if(!(a > 0 && b > 0)) { - break; - } - } - return result; -} -int bitwiseNot(int a) { - int result = 0; - int n = 1; - - for (int i = 0; i < BIT_COUNT; i++) { - if (modi(a, 2) == 0) { - result += n; - } - a = a / 2; - n = n * 2; - } - return result; -} -int bitwiseZeroFillLeftShift(int n, int shift) { - int maxBytes = BIT_COUNT; - for (int i = 0; i < BIT_COUNT; i++) { - if (maxBytes >= n) { - break; - } - maxBytes *= 2; - } - for (int i = 0; i < BIT_COUNT; i++) { - if (i >= shift) { - break; - } - n *= 2; - } - - int result = 0; - int byteVal = 1; - for (int i = 0; i < BIT_COUNT; i++) { - if (i >= maxBytes) break; - if (modi(n, 2) > 0) { result += byteVal; } - n = int(n / 2); - byteVal *= 2; - } - return result; -} - -int bitwiseSignedRightShift(int num, int shifts) { - return int(floor(float(num) / pow(2.0, float(shifts)))); -} - -int bitwiseZeroFillRightShift(int n, int shift) { - int maxBytes = BIT_COUNT; - for (int i = 0; i < BIT_COUNT; i++) { - if (maxBytes >= n) { - break; - } - maxBytes *= 2; - } - for (int i = 0; i < BIT_COUNT; i++) { - if (i >= shift) { - break; - } - n /= 2; - } - int result = 0; - int byteVal = 1; - for (int i = 0; i < BIT_COUNT; i++) { - if (i >= maxBytes) break; - if (modi(n, 2) > 0) { result += byteVal; } - n = int(n / 2); - byteVal *= 2; - } - return result; -} - -vec2 integerMod(vec2 x, float y) { - vec2 res = floor(mod(x, y)); - return res * step(1.0 - floor(y), -res); -} - -vec3 integerMod(vec3 x, float y) { - vec3 res = floor(mod(x, y)); - return res * step(1.0 - floor(y), -res); -} - -vec4 integerMod(vec4 x, vec4 y) { - vec4 res = floor(mod(x, y)); - return res * step(1.0 - floor(y), -res); -} - -float integerMod(float x, float y) { - float res = floor(mod(x, y)); - return res * (res > floor(y) - 1.0 ? 0.0 : 1.0); -} - -int integerMod(int x, int y) { - return x - (y * int(x/y)); -} - -__DIVIDE_WITH_INTEGER_CHECK__; - -// Here be dragons! -// DO NOT OPTIMIZE THIS CODE -// YOU WILL BREAK SOMETHING ON SOMEBODY\'S MACHINE -// LEAVE IT AS IT IS, LEST YOU WASTE YOUR OWN TIME -const vec2 MAGIC_VEC = vec2(1.0, -256.0); -const vec4 SCALE_FACTOR = vec4(1.0, 256.0, 65536.0, 0.0); -const vec4 SCALE_FACTOR_INV = vec4(1.0, 0.00390625, 0.0000152587890625, 0.0); // 1, 1/256, 1/65536 -float decode32(vec4 texel) { - __DECODE32_ENDIANNESS__; - texel *= 255.0; - vec2 gte128; - gte128.x = texel.b >= 128.0 ? 1.0 : 0.0; - gte128.y = texel.a >= 128.0 ? 1.0 : 0.0; - float exponent = 2.0 * texel.a - 127.0 + dot(gte128, MAGIC_VEC); - float res = exp2(round(exponent)); - texel.b = texel.b - 128.0 * gte128.x; - res = dot(texel, SCALE_FACTOR) * exp2(round(exponent-23.0)) + res; - res *= gte128.y * -2.0 + 1.0; - return res; -} - -float decode16(vec4 texel, int index) { - int channel = integerMod(index, 2); - return texel[channel*2] * 255.0 + texel[channel*2 + 1] * 65280.0; -} - -float decode8(vec4 texel, int index) { - int channel = integerMod(index, 4); - return texel[channel] * 255.0; -} - -vec4 legacyEncode32(float f) { - float F = abs(f); - float sign = f < 0.0 ? 1.0 : 0.0; - float exponent = floor(log2(F)); - float mantissa = (exp2(-exponent) * F); - // exponent += floor(log2(mantissa)); - vec4 texel = vec4(F * exp2(23.0-exponent)) * SCALE_FACTOR_INV; - texel.rg = integerMod(texel.rg, 256.0); - texel.b = integerMod(texel.b, 128.0); - texel.a = exponent*0.5 + 63.5; - texel.ba += vec2(integerMod(exponent+127.0, 2.0), sign) * 128.0; - texel = floor(texel); - texel *= 0.003921569; // 1/255 - __ENCODE32_ENDIANNESS__; - return texel; -} - -// https://github.com/gpujs/gpu.js/wiki/Encoder-details -vec4 encode32(float value) { - if (value == 0.0) return vec4(0, 0, 0, 0); - - float exponent; - float mantissa; - vec4 result; - float sgn; - - sgn = step(0.0, -value); - value = abs(value); - - exponent = floor(log2(value)); - - mantissa = value*pow(2.0, -exponent)-1.0; - exponent = exponent+127.0; - result = vec4(0,0,0,0); - - result.a = floor(exponent/2.0); - exponent = exponent - result.a*2.0; - result.a = result.a + 128.0*sgn; - - result.b = floor(mantissa * 128.0); - mantissa = mantissa - result.b / 128.0; - result.b = result.b + exponent*128.0; - - result.g = floor(mantissa*32768.0); - mantissa = mantissa - result.g/32768.0; - - result.r = floor(mantissa*8388608.0); - return result/255.0; -} -// Dragons end here - -int index; -ivec3 threadId; - -ivec3 indexTo3D(int idx, ivec3 texDim) { - int z = int(idx / (texDim.x * texDim.y)); - idx -= z * int(texDim.x * texDim.y); - int y = int(idx / texDim.x); - int x = int(integerMod(idx, texDim.x)); - return ivec3(x, y, z); -} - -float get32(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture(tex, st / vec2(texSize)); - return decode32(texel); -} - -float get16(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + (texDim.x * (y + (texDim.y * z))); - int w = texSize.x * 2; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture(tex, st / vec2(texSize.x * 2, texSize.y)); - return decode16(texel, index); -} - -float get8(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + (texDim.x * (y + (texDim.y * z))); - int w = texSize.x * 4; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture(tex, st / vec2(texSize.x * 4, texSize.y)); - return decode8(texel, index); -} - -float getMemoryOptimized32(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + (texDim.x * (y + (texDim.y * z))); - int channel = integerMod(index, 4); - index = index / 4; - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - index = index / 4; - vec4 texel = texture(tex, st / vec2(texSize)); - return texel[channel]; -} - -vec4 getImage2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - return texture(tex, st / vec2(texSize)); -} - -vec4 getImage3D(sampler2DArray tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - return texture(tex, vec3(st / vec2(texSize), z)); -} - -float getFloatFromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - vec4 result = getImage2D(tex, texSize, texDim, z, y, x); - return result[0]; -} - -vec2 getVec2FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - vec4 result = getImage2D(tex, texSize, texDim, z, y, x); - return vec2(result[0], result[1]); -} - -vec2 getMemoryOptimizedVec2(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int channel = integerMod(index, 2); - index = index / 2; - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture(tex, st / vec2(texSize)); - if (channel == 0) return vec2(texel.r, texel.g); - if (channel == 1) return vec2(texel.b, texel.a); - return vec2(0.0, 0.0); -} - -vec3 getVec3FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - vec4 result = getImage2D(tex, texSize, texDim, z, y, x); - return vec3(result[0], result[1], result[2]); -} - -vec3 getMemoryOptimizedVec3(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int fieldIndex = 3 * (x + texDim.x * (y + texDim.y * z)); - int vectorIndex = fieldIndex / 4; - int vectorOffset = fieldIndex - vectorIndex * 4; - int readY = vectorIndex / texSize.x; - int readX = vectorIndex - readY * texSize.x; - vec4 tex1 = texture(tex, (vec2(readX, readY) + 0.5) / vec2(texSize)); - - if (vectorOffset == 0) { - return tex1.xyz; - } else if (vectorOffset == 1) { - return tex1.yzw; - } else { - readX++; - if (readX >= texSize.x) { - readX = 0; - readY++; - } - vec4 tex2 = texture(tex, vec2(readX, readY) / vec2(texSize)); - if (vectorOffset == 2) { - return vec3(tex1.z, tex1.w, tex2.x); - } else { - return vec3(tex1.w, tex2.x, tex2.y); - } - } -} - -vec4 getVec4FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - return getImage2D(tex, texSize, texDim, z, y, x); -} - -vec4 getMemoryOptimizedVec4(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) { - int index = x + texDim.x * (y + texDim.y * z); - int channel = integerMod(index, 2); - int w = texSize.x; - vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5; - vec4 texel = texture(tex, st / vec2(texSize)); - return vec4(texel.r, texel.g, texel.b, texel.a); -} - -vec4 actualColor; -void color(float r, float g, float b, float a) { - actualColor = vec4(r,g,b,a); -} - -void color(float r, float g, float b) { - color(r,g,b,1.0); -} - -float modulo(float number, float divisor) { - if (number < 0.0) { - number = abs(number); - if (divisor < 0.0) { - divisor = abs(divisor); - } - return -mod(number, divisor); - } - if (divisor < 0.0) { - divisor = abs(divisor); - } - return mod(number, divisor); -} - -__INJECTED_NATIVE__; -__MAIN_CONSTANTS__; -__MAIN_ARGUMENTS__; -__KERNEL__; - -void main(void) { - index = int(vTexCoord.s * float(uTexSize.x)) + int(vTexCoord.t * float(uTexSize.y)) * uTexSize.x; - __MAIN_RESULT__; -}`; - -module.exports = { - fragmentShader -}; -},{}],73:[function(require,module,exports){ -const { utils } = require('../../utils'); -const { WebGLFunctionNode } = require('../web-gl/function-node'); - -class WebGL2FunctionNode extends WebGLFunctionNode { - - astIdentifierExpression(idtNode, retArr) { - if (idtNode.type !== 'Identifier') { - throw this.astErrorOutput( - 'IdentifierExpression - not an Identifier', - idtNode - ); - } - - const type = this.getType(idtNode); - - const name = utils.sanitizeName(idtNode.name); - if (idtNode.name === 'Infinity') { - retArr.push('intBitsToFloat(2139095039)'); - } else if (type === 'Boolean') { - if (this.argumentNames.indexOf(name) > -1) { - retArr.push(`bool(user_${name})`); - } else { - retArr.push(`user_${name}`); - } - } else { - retArr.push(`user_${name}`); - } - - return retArr; - } -} - -module.exports = { - WebGL2FunctionNode -}; -},{"../../utils":114,"../web-gl/function-node":38}],74:[function(require,module,exports){ -const { WebGL2KernelValueBoolean } = require('./kernel-value/boolean'); -const { WebGL2KernelValueFloat } = require('./kernel-value/float'); -const { WebGL2KernelValueInteger } = require('./kernel-value/integer'); - -const { WebGL2KernelValueHTMLImage } = require('./kernel-value/html-image'); -const { WebGL2KernelValueDynamicHTMLImage } = require('./kernel-value/dynamic-html-image'); - -const { WebGL2KernelValueHTMLImageArray } = require('./kernel-value/html-image-array'); -const { WebGL2KernelValueDynamicHTMLImageArray } = require('./kernel-value/dynamic-html-image-array'); - -const { WebGL2KernelValueHTMLVideo } = require('./kernel-value/html-video'); -const { WebGL2KernelValueDynamicHTMLVideo } = require('./kernel-value/dynamic-html-video'); - -const { WebGL2KernelValueSingleInput } = require('./kernel-value/single-input'); -const { WebGL2KernelValueDynamicSingleInput } = require('./kernel-value/dynamic-single-input'); - -const { WebGL2KernelValueUnsignedInput } = require('./kernel-value/unsigned-input'); -const { WebGL2KernelValueDynamicUnsignedInput } = require('./kernel-value/dynamic-unsigned-input'); - -const { WebGL2KernelValueMemoryOptimizedNumberTexture } = require('./kernel-value/memory-optimized-number-texture'); -const { WebGL2KernelValueDynamicMemoryOptimizedNumberTexture } = require('./kernel-value/dynamic-memory-optimized-number-texture'); - -const { WebGL2KernelValueNumberTexture } = require('./kernel-value/number-texture'); -const { WebGL2KernelValueDynamicNumberTexture } = require('./kernel-value/dynamic-number-texture'); - -const { WebGL2KernelValueSingleArray } = require('./kernel-value/single-array'); -const { WebGL2KernelValueDynamicSingleArray } = require('./kernel-value/dynamic-single-array'); - -const { WebGL2KernelValueSingleArray1DI } = require('./kernel-value/single-array1d-i'); -const { WebGL2KernelValueDynamicSingleArray1DI } = require('./kernel-value/dynamic-single-array1d-i'); - -const { WebGL2KernelValueSingleArray2DI } = require('./kernel-value/single-array2d-i'); -const { WebGL2KernelValueDynamicSingleArray2DI } = require('./kernel-value/dynamic-single-array2d-i'); - -const { WebGL2KernelValueSingleArray3DI } = require('./kernel-value/single-array3d-i'); -const { WebGL2KernelValueDynamicSingleArray3DI } = require('./kernel-value/dynamic-single-array3d-i'); - -const { WebGL2KernelValueArray2 } = require('./kernel-value/array2'); -const { WebGL2KernelValueArray3 } = require('./kernel-value/array3'); -const { WebGL2KernelValueArray4 } = require('./kernel-value/array4'); - -const { WebGL2KernelValueUnsignedArray } = require('./kernel-value/unsigned-array'); -const { WebGL2KernelValueDynamicUnsignedArray } = require('./kernel-value/dynamic-unsigned-array'); - -const kernelValueMaps = { - unsigned: { - dynamic: { - 'Boolean': WebGL2KernelValueBoolean, - 'Integer': WebGL2KernelValueInteger, - 'Float': WebGL2KernelValueFloat, - 'Array': WebGL2KernelValueDynamicUnsignedArray, - 'Array(2)': WebGL2KernelValueArray2, - 'Array(3)': WebGL2KernelValueArray3, - 'Array(4)': WebGL2KernelValueArray4, - 'Array1D(2)': false, - 'Array1D(3)': false, - 'Array1D(4)': false, - 'Array2D(2)': false, - 'Array2D(3)': false, - 'Array2D(4)': false, - 'Array3D(2)': false, - 'Array3D(3)': false, - 'Array3D(4)': false, - 'Input': WebGL2KernelValueDynamicUnsignedInput, - 'NumberTexture': WebGL2KernelValueDynamicNumberTexture, - 'ArrayTexture(1)': WebGL2KernelValueDynamicNumberTexture, - 'ArrayTexture(2)': WebGL2KernelValueDynamicNumberTexture, - 'ArrayTexture(3)': WebGL2KernelValueDynamicNumberTexture, - 'ArrayTexture(4)': WebGL2KernelValueDynamicNumberTexture, - 'MemoryOptimizedNumberTexture': WebGL2KernelValueDynamicMemoryOptimizedNumberTexture, - 'HTMLCanvas': WebGL2KernelValueDynamicHTMLImage, - 'OffscreenCanvas': WebGL2KernelValueDynamicHTMLImage, - 'HTMLImage': WebGL2KernelValueDynamicHTMLImage, - 'ImageBitmap': WebGL2KernelValueDynamicHTMLImage, - 'ImageData': WebGL2KernelValueDynamicHTMLImage, - 'HTMLImageArray': WebGL2KernelValueDynamicHTMLImageArray, - 'HTMLVideo': WebGL2KernelValueDynamicHTMLVideo, - }, - static: { - 'Boolean': WebGL2KernelValueBoolean, - 'Float': WebGL2KernelValueFloat, - 'Integer': WebGL2KernelValueInteger, - 'Array': WebGL2KernelValueUnsignedArray, - 'Array(2)': WebGL2KernelValueArray2, - 'Array(3)': WebGL2KernelValueArray3, - 'Array(4)': WebGL2KernelValueArray4, - 'Array1D(2)': false, - 'Array1D(3)': false, - 'Array1D(4)': false, - 'Array2D(2)': false, - 'Array2D(3)': false, - 'Array2D(4)': false, - 'Array3D(2)': false, - 'Array3D(3)': false, - 'Array3D(4)': false, - 'Input': WebGL2KernelValueUnsignedInput, - 'NumberTexture': WebGL2KernelValueNumberTexture, - 'ArrayTexture(1)': WebGL2KernelValueNumberTexture, - 'ArrayTexture(2)': WebGL2KernelValueNumberTexture, - 'ArrayTexture(3)': WebGL2KernelValueNumberTexture, - 'ArrayTexture(4)': WebGL2KernelValueNumberTexture, - 'MemoryOptimizedNumberTexture': WebGL2KernelValueDynamicMemoryOptimizedNumberTexture, - 'HTMLCanvas': WebGL2KernelValueHTMLImage, - 'OffscreenCanvas': WebGL2KernelValueHTMLImage, - 'HTMLImage': WebGL2KernelValueHTMLImage, - 'ImageBitmap': WebGL2KernelValueHTMLImage, - 'ImageData': WebGL2KernelValueHTMLImage, - 'HTMLImageArray': WebGL2KernelValueHTMLImageArray, - 'HTMLVideo': WebGL2KernelValueHTMLVideo, - } - }, - single: { - dynamic: { - 'Boolean': WebGL2KernelValueBoolean, - 'Integer': WebGL2KernelValueInteger, - 'Float': WebGL2KernelValueFloat, - 'Array': WebGL2KernelValueDynamicSingleArray, - 'Array(2)': WebGL2KernelValueArray2, - 'Array(3)': WebGL2KernelValueArray3, - 'Array(4)': WebGL2KernelValueArray4, - 'Array1D(2)': WebGL2KernelValueDynamicSingleArray1DI, - 'Array1D(3)': WebGL2KernelValueDynamicSingleArray1DI, - 'Array1D(4)': WebGL2KernelValueDynamicSingleArray1DI, - 'Array2D(2)': WebGL2KernelValueDynamicSingleArray2DI, - 'Array2D(3)': WebGL2KernelValueDynamicSingleArray2DI, - 'Array2D(4)': WebGL2KernelValueDynamicSingleArray2DI, - 'Array3D(2)': WebGL2KernelValueDynamicSingleArray3DI, - 'Array3D(3)': WebGL2KernelValueDynamicSingleArray3DI, - 'Array3D(4)': WebGL2KernelValueDynamicSingleArray3DI, - 'Input': WebGL2KernelValueDynamicSingleInput, - 'NumberTexture': WebGL2KernelValueDynamicNumberTexture, - 'ArrayTexture(1)': WebGL2KernelValueDynamicNumberTexture, - 'ArrayTexture(2)': WebGL2KernelValueDynamicNumberTexture, - 'ArrayTexture(3)': WebGL2KernelValueDynamicNumberTexture, - 'ArrayTexture(4)': WebGL2KernelValueDynamicNumberTexture, - 'MemoryOptimizedNumberTexture': WebGL2KernelValueDynamicMemoryOptimizedNumberTexture, - 'HTMLCanvas': WebGL2KernelValueDynamicHTMLImage, - 'OffscreenCanvas': WebGL2KernelValueDynamicHTMLImage, - 'HTMLImage': WebGL2KernelValueDynamicHTMLImage, - 'ImageBitmap': WebGL2KernelValueDynamicHTMLImage, - 'ImageData': WebGL2KernelValueDynamicHTMLImage, - 'HTMLImageArray': WebGL2KernelValueDynamicHTMLImageArray, - 'HTMLVideo': WebGL2KernelValueDynamicHTMLVideo, - }, - static: { - 'Boolean': WebGL2KernelValueBoolean, - 'Float': WebGL2KernelValueFloat, - 'Integer': WebGL2KernelValueInteger, - 'Array': WebGL2KernelValueSingleArray, - 'Array(2)': WebGL2KernelValueArray2, - 'Array(3)': WebGL2KernelValueArray3, - 'Array(4)': WebGL2KernelValueArray4, - 'Array1D(2)': WebGL2KernelValueSingleArray1DI, - 'Array1D(3)': WebGL2KernelValueSingleArray1DI, - 'Array1D(4)': WebGL2KernelValueSingleArray1DI, - 'Array2D(2)': WebGL2KernelValueSingleArray2DI, - 'Array2D(3)': WebGL2KernelValueSingleArray2DI, - 'Array2D(4)': WebGL2KernelValueSingleArray2DI, - 'Array3D(2)': WebGL2KernelValueSingleArray3DI, - 'Array3D(3)': WebGL2KernelValueSingleArray3DI, - 'Array3D(4)': WebGL2KernelValueSingleArray3DI, - 'Input': WebGL2KernelValueSingleInput, - 'NumberTexture': WebGL2KernelValueNumberTexture, - 'ArrayTexture(1)': WebGL2KernelValueNumberTexture, - 'ArrayTexture(2)': WebGL2KernelValueNumberTexture, - 'ArrayTexture(3)': WebGL2KernelValueNumberTexture, - 'ArrayTexture(4)': WebGL2KernelValueNumberTexture, - 'MemoryOptimizedNumberTexture': WebGL2KernelValueMemoryOptimizedNumberTexture, - 'HTMLCanvas': WebGL2KernelValueHTMLImage, - 'OffscreenCanvas': WebGL2KernelValueHTMLImage, - 'HTMLImage': WebGL2KernelValueHTMLImage, - 'ImageBitmap': WebGL2KernelValueHTMLImage, - 'ImageData': WebGL2KernelValueHTMLImage, - 'HTMLImageArray': WebGL2KernelValueHTMLImageArray, - 'HTMLVideo': WebGL2KernelValueHTMLVideo, - } - }, -}; - -function lookupKernelValueType(type, dynamic, precision, value) { - if (!type) { - throw new Error('type missing'); - } - if (!dynamic) { - throw new Error('dynamic missing'); - } - if (!precision) { - throw new Error('precision missing'); - } - if (value.type) { - type = value.type; - } - const types = kernelValueMaps[precision][dynamic]; - if (types[type] === false) { - return null; - } else if (types[type] === undefined) { - throw new Error(`Could not find a KernelValue for ${ type }`); - } - return types[type]; -} - -module.exports = { - kernelValueMaps, - lookupKernelValueType -}; -},{"./kernel-value/array2":75,"./kernel-value/array3":76,"./kernel-value/array4":77,"./kernel-value/boolean":78,"./kernel-value/dynamic-html-image":80,"./kernel-value/dynamic-html-image-array":79,"./kernel-value/dynamic-html-video":81,"./kernel-value/dynamic-memory-optimized-number-texture":82,"./kernel-value/dynamic-number-texture":83,"./kernel-value/dynamic-single-array":84,"./kernel-value/dynamic-single-array1d-i":85,"./kernel-value/dynamic-single-array2d-i":86,"./kernel-value/dynamic-single-array3d-i":87,"./kernel-value/dynamic-single-input":88,"./kernel-value/dynamic-unsigned-array":89,"./kernel-value/dynamic-unsigned-input":90,"./kernel-value/float":91,"./kernel-value/html-image":93,"./kernel-value/html-image-array":92,"./kernel-value/html-video":94,"./kernel-value/integer":95,"./kernel-value/memory-optimized-number-texture":96,"./kernel-value/number-texture":97,"./kernel-value/single-array":98,"./kernel-value/single-array1d-i":99,"./kernel-value/single-array2d-i":100,"./kernel-value/single-array3d-i":101,"./kernel-value/single-input":102,"./kernel-value/unsigned-array":103,"./kernel-value/unsigned-input":104}],75:[function(require,module,exports){ -const { WebGLKernelValueArray2 } = require('../../web-gl/kernel-value/array2'); - -class WebGL2KernelValueArray2 extends WebGLKernelValueArray2 {} - -module.exports = { - WebGL2KernelValueArray2 -}; -},{"../../web-gl/kernel-value/array2":41}],76:[function(require,module,exports){ -const { WebGLKernelValueArray3 } = require('../../web-gl/kernel-value/array3'); - -class WebGL2KernelValueArray3 extends WebGLKernelValueArray3 {} - -module.exports = { - WebGL2KernelValueArray3 -}; -},{"../../web-gl/kernel-value/array3":42}],77:[function(require,module,exports){ -const { WebGLKernelValueArray4 } = require('../../web-gl/kernel-value/array4'); - -class WebGL2KernelValueArray4 extends WebGLKernelValueArray4 {} - -module.exports = { - WebGL2KernelValueArray4 -}; -},{"../../web-gl/kernel-value/array4":43}],78:[function(require,module,exports){ -const { WebGLKernelValueBoolean } = require('../../web-gl/kernel-value/boolean'); - -class WebGL2KernelValueBoolean extends WebGLKernelValueBoolean {} - -module.exports = { - WebGL2KernelValueBoolean -}; -},{"../../web-gl/kernel-value/boolean":44}],79:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGL2KernelValueHTMLImageArray } = require('./html-image-array'); - -class WebGL2KernelValueDynamicHTMLImageArray extends WebGL2KernelValueHTMLImageArray { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2DArray ${this.id}`, - `uniform ${ variablePrecision } ivec2 ${this.sizeId}`, - `uniform ${ variablePrecision } ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(images) { - const { width, height } = images[0]; - this.checkSize(width, height); - this.dimensions = [width, height, images.length]; - this.textureSize = [width, height]; - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(images); - } -} - -module.exports = { - WebGL2KernelValueDynamicHTMLImageArray -}; -},{"../../../utils":114,"./html-image-array":92}],80:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueDynamicHTMLImage } = require('../../web-gl/kernel-value/dynamic-html-image'); - -class WebGL2KernelValueDynamicHTMLImage extends WebGLKernelValueDynamicHTMLImage { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `uniform ${ variablePrecision } ivec2 ${this.sizeId}`, - `uniform ${ variablePrecision } ivec3 ${this.dimensionsId}`, - ]); - } -} - -module.exports = { - WebGL2KernelValueDynamicHTMLImage -}; -},{"../../../utils":114,"../../web-gl/kernel-value/dynamic-html-image":45}],81:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGL2KernelValueDynamicHTMLImage } = require('./dynamic-html-image'); - -class WebGL2KernelValueDynamicHTMLVideo extends WebGL2KernelValueDynamicHTMLImage {} - -module.exports = { - WebGL2KernelValueDynamicHTMLVideo -}; -},{"../../../utils":114,"./dynamic-html-image":80}],82:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueDynamicMemoryOptimizedNumberTexture } = require('../../web-gl/kernel-value/dynamic-memory-optimized-number-texture'); - -class WebGL2KernelValueDynamicMemoryOptimizedNumberTexture extends WebGLKernelValueDynamicMemoryOptimizedNumberTexture { - getSource() { - return utils.linesToString([ - `uniform sampler2D ${this.id}`, - `uniform ivec2 ${this.sizeId}`, - `uniform ivec3 ${this.dimensionsId}`, - ]); - } -} - -module.exports = { - WebGL2KernelValueDynamicMemoryOptimizedNumberTexture -}; -},{"../../../utils":114,"../../web-gl/kernel-value/dynamic-memory-optimized-number-texture":47}],83:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueDynamicNumberTexture } = require('../../web-gl/kernel-value/dynamic-number-texture'); - -class WebGL2KernelValueDynamicNumberTexture extends WebGLKernelValueDynamicNumberTexture { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `uniform ${ variablePrecision } ivec2 ${this.sizeId}`, - `uniform ${ variablePrecision } ivec3 ${this.dimensionsId}`, - ]); - } -} - -module.exports = { - WebGL2KernelValueDynamicNumberTexture -}; -},{"../../../utils":114,"../../web-gl/kernel-value/dynamic-number-texture":48}],84:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGL2KernelValueSingleArray } = require('../../web-gl2/kernel-value/single-array'); - -class WebGL2KernelValueDynamicSingleArray extends WebGL2KernelValueSingleArray { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `uniform ${ variablePrecision } ivec2 ${this.sizeId}`, - `uniform ${ variablePrecision } ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - this.dimensions = utils.getDimensions(value, true); - this.textureSize = utils.getMemoryOptimizedFloatTextureSize(this.dimensions, this.bitRatio); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * this.bitRatio; - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.uploadValue = new Float32Array(this.uploadArrayLength); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGL2KernelValueDynamicSingleArray -}; -},{"../../../utils":114,"../../web-gl2/kernel-value/single-array":98}],85:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGL2KernelValueSingleArray1DI } = require('../../web-gl2/kernel-value/single-array1d-i'); - -class WebGL2KernelValueDynamicSingleArray1DI extends WebGL2KernelValueSingleArray1DI { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `uniform ${ variablePrecision } ivec2 ${this.sizeId}`, - `uniform ${ variablePrecision } ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - this.setShape(value); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGL2KernelValueDynamicSingleArray1DI -}; -},{"../../../utils":114,"../../web-gl2/kernel-value/single-array1d-i":99}],86:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGL2KernelValueSingleArray2DI } = require('../../web-gl2/kernel-value/single-array2d-i'); - -class WebGL2KernelValueDynamicSingleArray2DI extends WebGL2KernelValueSingleArray2DI { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `uniform ${ variablePrecision } ivec2 ${this.sizeId}`, - `uniform ${ variablePrecision } ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - this.setShape(value); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGL2KernelValueDynamicSingleArray2DI -}; -},{"../../../utils":114,"../../web-gl2/kernel-value/single-array2d-i":100}],87:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGL2KernelValueSingleArray3DI } = require('../../web-gl2/kernel-value/single-array3d-i'); - -class WebGL2KernelValueDynamicSingleArray3DI extends WebGL2KernelValueSingleArray3DI { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `uniform ${ variablePrecision } ivec2 ${this.sizeId}`, - `uniform ${ variablePrecision } ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - this.setShape(value); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGL2KernelValueDynamicSingleArray3DI -}; -},{"../../../utils":114,"../../web-gl2/kernel-value/single-array3d-i":101}],88:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGL2KernelValueSingleInput } = require('../../web-gl2/kernel-value/single-input'); - -class WebGL2KernelValueDynamicSingleInput extends WebGL2KernelValueSingleInput { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `uniform ${ variablePrecision } ivec2 ${this.sizeId}`, - `uniform ${ variablePrecision } ivec3 ${this.dimensionsId}`, - ]); - } - - updateValue(value) { - let [w, h, d] = value.size; - this.dimensions = new Int32Array([w || 1, h || 1, d || 1]); - this.textureSize = utils.getMemoryOptimizedFloatTextureSize(this.dimensions, this.bitRatio); - this.uploadArrayLength = this.textureSize[0] * this.textureSize[1] * this.bitRatio; - this.checkSize(this.textureSize[0], this.textureSize[1]); - this.uploadValue = new Float32Array(this.uploadArrayLength); - this.kernel.setUniform3iv(this.dimensionsId, this.dimensions); - this.kernel.setUniform2iv(this.sizeId, this.textureSize); - super.updateValue(value); - } -} - -module.exports = { - WebGL2KernelValueDynamicSingleInput -}; -},{"../../../utils":114,"../../web-gl2/kernel-value/single-input":102}],89:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueDynamicUnsignedArray } = require('../../web-gl/kernel-value/dynamic-unsigned-array'); - -class WebGL2KernelValueDynamicUnsignedArray extends WebGLKernelValueDynamicUnsignedArray { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `uniform ${ variablePrecision } ivec2 ${this.sizeId}`, - `uniform ${ variablePrecision } ivec3 ${this.dimensionsId}`, - ]); - } -} - -module.exports = { - WebGL2KernelValueDynamicUnsignedArray -}; -},{"../../../utils":114,"../../web-gl/kernel-value/dynamic-unsigned-array":54}],90:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueDynamicUnsignedInput } = require('../../web-gl/kernel-value/dynamic-unsigned-input'); - -class WebGL2KernelValueDynamicUnsignedInput extends WebGLKernelValueDynamicUnsignedInput { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `uniform ${ variablePrecision } ivec2 ${this.sizeId}`, - `uniform ${ variablePrecision } ivec3 ${this.dimensionsId}`, - ]); - } -} - -module.exports = { - WebGL2KernelValueDynamicUnsignedInput -}; -},{"../../../utils":114,"../../web-gl/kernel-value/dynamic-unsigned-input":55}],91:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueFloat } = require('../../web-gl/kernel-value/float'); - -class WebGL2KernelValueFloat extends WebGLKernelValueFloat {} - -module.exports = { - WebGL2KernelValueFloat -}; -},{"../../../utils":114,"../../web-gl/kernel-value/float":56}],92:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelArray } = require('../../web-gl/kernel-value/array'); - -class WebGL2KernelValueHTMLImageArray extends WebGLKernelArray { - constructor(value, settings) { - super(value, settings); - this.checkSize(value[0].width, value[0].height); - this.dimensions = [value[0].width, value[0].height, value.length]; - this.textureSize = [value[0].width, value[0].height]; - } - defineTexture() { - const { context: gl } = this; - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D_ARRAY, this.texture); - gl.texParameteri(gl.TEXTURE_2D_ARRAY, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D_ARRAY, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - } - - getStringValueHandler() { - return `const uploadValue_${this.name} = ${this.varName};\n`; - } - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2DArray ${this.id}`, - `${ variablePrecision } ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `${ variablePrecision } ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(images) { - const { context: gl } = this; - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D_ARRAY, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, true); - gl.texImage3D( - gl.TEXTURE_2D_ARRAY, - 0, - gl.RGBA, - images[0].width, - images[0].height, - images.length, - 0, - gl.RGBA, - gl.UNSIGNED_BYTE, - null - ); - for (let i = 0; i < images.length; i++) { - const xOffset = 0; - const yOffset = 0; - const imageDepth = 1; - gl.texSubImage3D( - gl.TEXTURE_2D_ARRAY, - 0, - xOffset, - yOffset, - i, - images[i].width, - images[i].height, - imageDepth, - gl.RGBA, - gl.UNSIGNED_BYTE, - this.uploadValue = images[i] - ); - } - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGL2KernelValueHTMLImageArray -}; -},{"../../../utils":114,"../../web-gl/kernel-value/array":40}],93:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueHTMLImage } = require('../../web-gl/kernel-value/html-image'); - -class WebGL2KernelValueHTMLImage extends WebGLKernelValueHTMLImage { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `${ variablePrecision } ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `${ variablePrecision } ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } -} - -module.exports = { - WebGL2KernelValueHTMLImage -}; -},{"../../../utils":114,"../../web-gl/kernel-value/html-image":57}],94:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGL2KernelValueHTMLImage } = require('./html-image'); - -class WebGL2KernelValueHTMLVideo extends WebGL2KernelValueHTMLImage {} - -module.exports = { - WebGL2KernelValueHTMLVideo -}; -},{"../../../utils":114,"./html-image":93}],95:[function(require,module,exports){ -const { WebGLKernelValueInteger } = require('../../web-gl/kernel-value/integer'); - -class WebGL2KernelValueInteger extends WebGLKernelValueInteger { - getSource(value) { - const variablePrecision = this.getVariablePrecisionString(); - if (this.origin === 'constants') { - return `const ${ variablePrecision } int ${this.id} = ${ parseInt(value) };\n`; - } - return `uniform ${ variablePrecision } int ${this.id};\n`; - } - - updateValue(value) { - if (this.origin === 'constants') return; - this.kernel.setUniform1i(this.id, this.uploadValue = value); - } -} - -module.exports = { - WebGL2KernelValueInteger -}; -},{"../../web-gl/kernel-value/integer":60}],96:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueMemoryOptimizedNumberTexture } = require('../../web-gl/kernel-value/memory-optimized-number-texture'); - -class WebGL2KernelValueMemoryOptimizedNumberTexture extends WebGLKernelValueMemoryOptimizedNumberTexture { - getSource() { - const { id, sizeId, textureSize, dimensionsId, dimensions } = this; - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform sampler2D ${id}`, - `${ variablePrecision } ivec2 ${sizeId} = ivec2(${textureSize[0]}, ${textureSize[1]})`, - `${ variablePrecision } ivec3 ${dimensionsId} = ivec3(${dimensions[0]}, ${dimensions[1]}, ${dimensions[2]})`, - ]); - } -} - -module.exports = { - WebGL2KernelValueMemoryOptimizedNumberTexture -}; -},{"../../../utils":114,"../../web-gl/kernel-value/memory-optimized-number-texture":61}],97:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueNumberTexture } = require('../../web-gl/kernel-value/number-texture'); - -class WebGL2KernelValueNumberTexture extends WebGLKernelValueNumberTexture { - getSource() { - const { id, sizeId, textureSize, dimensionsId, dimensions } = this; - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${id}`, - `${ variablePrecision } ivec2 ${sizeId} = ivec2(${textureSize[0]}, ${textureSize[1]})`, - `${ variablePrecision } ivec3 ${dimensionsId} = ivec3(${dimensions[0]}, ${dimensions[1]}, ${dimensions[2]})`, - ]); - } -} - -module.exports = { - WebGL2KernelValueNumberTexture -}; -},{"../../../utils":114,"../../web-gl/kernel-value/number-texture":62}],98:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueSingleArray } = require('../../web-gl/kernel-value/single-array'); - -class WebGL2KernelValueSingleArray extends WebGLKernelValueSingleArray { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `${ variablePrecision } ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `${ variablePrecision } ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(value) { - if (value.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(value.constructor); - return; - } - const { context: gl } = this; - utils.flattenTo(value, this.uploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA32F, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.FLOAT, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGL2KernelValueSingleArray -}; -},{"../../../utils":114,"../../web-gl/kernel-value/single-array":63}],99:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueSingleArray1DI } = require('../../web-gl/kernel-value/single-array1d-i'); - -class WebGL2KernelValueSingleArray1DI extends WebGLKernelValueSingleArray1DI { - updateValue(value) { - if (value.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(value.constructor); - return; - } - const { context: gl } = this; - utils.flattenTo(value, this.uploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA32F, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.FLOAT, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGL2KernelValueSingleArray1DI -}; -},{"../../../utils":114,"../../web-gl/kernel-value/single-array1d-i":64}],100:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueSingleArray2DI } = require('../../web-gl/kernel-value/single-array2d-i'); - -class WebGL2KernelValueSingleArray2DI extends WebGLKernelValueSingleArray2DI { - updateValue(value) { - if (value.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(value.constructor); - return; - } - const { context: gl } = this; - utils.flattenTo(value, this.uploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA32F, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.FLOAT, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGL2KernelValueSingleArray2DI -}; -},{"../../../utils":114,"../../web-gl/kernel-value/single-array2d-i":65}],101:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueSingleArray3DI } = require('../../web-gl/kernel-value/single-array3d-i'); - -class WebGL2KernelValueSingleArray3DI extends WebGLKernelValueSingleArray3DI { - updateValue(value) { - if (value.constructor !== this.initialValueConstructor) { - this.onUpdateValueMismatch(value.constructor); - return; - } - const { context: gl } = this; - utils.flattenTo(value, this.uploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA32F, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.FLOAT, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGL2KernelValueSingleArray3DI -}; -},{"../../../utils":114,"../../web-gl/kernel-value/single-array3d-i":66}],102:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueSingleInput } = require('../../web-gl/kernel-value/single-input'); - -class WebGL2KernelValueSingleInput extends WebGLKernelValueSingleInput { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `${ variablePrecision } ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `${ variablePrecision } ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } - - updateValue(input) { - const { context: gl } = this; - utils.flattenTo(input.value, this.uploadValue); - gl.activeTexture(this.contextHandle); - gl.bindTexture(gl.TEXTURE_2D, this.texture); - gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, false); - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA32F, this.textureSize[0], this.textureSize[1], 0, gl.RGBA, gl.FLOAT, this.uploadValue); - this.kernel.setUniform1i(this.id, this.index); - } -} - -module.exports = { - WebGL2KernelValueSingleInput -}; -},{"../../../utils":114,"../../web-gl/kernel-value/single-input":67}],103:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueUnsignedArray } = require('../../web-gl/kernel-value/unsigned-array'); - -class WebGL2KernelValueUnsignedArray extends WebGLKernelValueUnsignedArray { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `${ variablePrecision } ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `${ variablePrecision } ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } -} - -module.exports = { - WebGL2KernelValueUnsignedArray -}; -},{"../../../utils":114,"../../web-gl/kernel-value/unsigned-array":68}],104:[function(require,module,exports){ -const { utils } = require('../../../utils'); -const { WebGLKernelValueUnsignedInput } = require('../../web-gl/kernel-value/unsigned-input'); - -class WebGL2KernelValueUnsignedInput extends WebGLKernelValueUnsignedInput { - getSource() { - const variablePrecision = this.getVariablePrecisionString(); - return utils.linesToString([ - `uniform ${ variablePrecision } sampler2D ${this.id}`, - `${ variablePrecision } ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`, - `${ variablePrecision } ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`, - ]); - } -} - -module.exports = { - WebGL2KernelValueUnsignedInput -}; -},{"../../../utils":114,"../../web-gl/kernel-value/unsigned-input":69}],105:[function(require,module,exports){ -const { WebGLKernel } = require('../web-gl/kernel'); -const { WebGL2FunctionNode } = require('./function-node'); -const { FunctionBuilder } = require('../function-builder'); -const { utils } = require('../../utils'); -const { fragmentShader } = require('./fragment-shader'); -const { vertexShader } = require('./vertex-shader'); -const { lookupKernelValueType } = require('./kernel-value-maps'); - -let isSupported = null; -let testCanvas = null; -let testContext = null; -let testExtensions = null; - -let features = null; - -class WebGL2Kernel extends WebGLKernel { - static get isSupported() { - if (isSupported !== null) { - return isSupported; - } - this.setupFeatureChecks(); - isSupported = this.isContextMatch(testContext); - return isSupported; - } - - static setupFeatureChecks() { - if (typeof document !== 'undefined') { - testCanvas = document.createElement('canvas'); - } else if (typeof OffscreenCanvas !== 'undefined') { - testCanvas = new OffscreenCanvas(0, 0); - } - if (!testCanvas) return; - testContext = testCanvas.getContext('webgl2'); - if (!testContext || !testContext.getExtension) return; - testExtensions = { - EXT_color_buffer_float: testContext.getExtension('EXT_color_buffer_float'), - OES_texture_float_linear: testContext.getExtension('OES_texture_float_linear'), - }; - features = this.getFeatures(); - } - - static isContextMatch(context) { - if (typeof WebGL2RenderingContext !== 'undefined') { - return context instanceof WebGL2RenderingContext; - } - return false; - } - - static getFeatures() { - const gl = this.testContext; - return Object.freeze({ - isFloatRead: this.getIsFloatRead(), - isIntegerDivisionAccurate: this.getIsIntegerDivisionAccurate(), - isSpeedTacticSupported: this.getIsSpeedTacticSupported(), - kernelMap: true, - isTextureFloat: true, - isDrawBuffers: true, - channelCount: this.getChannelCount(), - maxTextureSize: this.getMaxTextureSize(), - lowIntPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.LOW_INT), - lowFloatPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.LOW_FLOAT), - mediumIntPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.MEDIUM_INT), - mediumFloatPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT), - highIntPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_INT), - highFloatPrecision: gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_FLOAT), - }); - } - - static getIsTextureFloat() { - return true; - } - - static getChannelCount() { - return testContext.getParameter(testContext.MAX_DRAW_BUFFERS); - } - - static getMaxTextureSize() { - return testContext.getParameter(testContext.MAX_TEXTURE_SIZE); - } - - static lookupKernelValueType(type, dynamic, precision, value) { - return lookupKernelValueType(type, dynamic, precision, value); - } - - static get testCanvas() { - return testCanvas; - } - - static get testContext() { - return testContext; - } - - static get features() { - return features; - } - - static get fragmentShader() { - return fragmentShader; - } - static get vertexShader() { - return vertexShader; - } - - initContext() { - const settings = { - alpha: false, - depth: false, - antialias: false - }; - return this.canvas.getContext('webgl2', settings); - } - - initExtensions() { - this.extensions = { - EXT_color_buffer_float: this.context.getExtension('EXT_color_buffer_float'), - OES_texture_float_linear: this.context.getExtension('OES_texture_float_linear'), - }; - } - - validateSettings(args) { - if (!this.validate) { - this.texSize = utils.getKernelTextureSize({ - optimizeFloatMemory: this.optimizeFloatMemory, - precision: this.precision, - }, this.output); - return; - } - - const { features } = this.constructor; - if (this.precision === 'single' && !features.isFloatRead) { - throw new Error('Float texture outputs are not supported'); - } else if (!this.graphical && this.precision === null) { - this.precision = features.isFloatRead ? 'single' : 'unsigned'; - } - - if (this.fixIntegerDivisionAccuracy === null) { - this.fixIntegerDivisionAccuracy = !features.isIntegerDivisionAccurate; - } else if (this.fixIntegerDivisionAccuracy && features.isIntegerDivisionAccurate) { - this.fixIntegerDivisionAccuracy = false; - } - - this.checkOutput(); - - if (!this.output || this.output.length === 0) { - if (args.length !== 1) { - throw new Error('Auto output only supported for kernels with only one input'); - } - - const argType = utils.getVariableType(args[0], this.strictIntegers); - switch (argType) { - case 'Array': - this.output = utils.getDimensions(argType); - break; - case 'NumberTexture': - case 'MemoryOptimizedNumberTexture': - case 'ArrayTexture(1)': - case 'ArrayTexture(2)': - case 'ArrayTexture(3)': - case 'ArrayTexture(4)': - this.output = args[0].output; - break; - default: - throw new Error('Auto output not supported for input type: ' + argType); - } - } - - if (this.graphical) { - if (this.output.length !== 2) { - throw new Error('Output must have 2 dimensions on graphical mode'); - } - - if (this.precision === 'single') { - console.warn('Cannot use graphical mode and single precision at the same time'); - this.precision = 'unsigned'; - } - - this.texSize = utils.clone(this.output); - return; - } else if (!this.graphical && this.precision === null && features.isTextureFloat) { - this.precision = 'single'; - } - - this.texSize = utils.getKernelTextureSize({ - optimizeFloatMemory: this.optimizeFloatMemory, - precision: this.precision, - }, this.output); - - this.checkTextureSize(); - } - - translateSource() { - const functionBuilder = FunctionBuilder.fromKernel(this, WebGL2FunctionNode, { - fixIntegerDivisionAccuracy: this.fixIntegerDivisionAccuracy - }); - this.translatedSource = functionBuilder.getPrototypeString('kernel'); - this.setupReturnTypes(functionBuilder); - } - - drawBuffers() { - this.context.drawBuffers(this.drawBuffersMap); - } - - getTextureFormat() { - const { context: gl } = this; - switch (this.getInternalFormat()) { - case gl.R32F: - return gl.RED; - case gl.RG32F: - return gl.RG; - case gl.RGBA32F: - return gl.RGBA; - case gl.RGBA: - return gl.RGBA; - default: - throw new Error('Unknown internal format'); - } - } - getInternalFormat() { - const { context: gl } = this; - - if (this.precision === 'single') { - if (this.pipeline) { - switch (this.returnType) { - case 'Number': - case 'Float': - case 'Integer': - if (this.optimizeFloatMemory) { - return gl.RGBA32F; - } else { - return gl.R32F; - } - case 'Array(2)': - return gl.RG32F; - case 'Array(3)': - case 'Array(4)': - return gl.RGBA32F; - default: - throw new Error('Unhandled return type'); - } - } - return gl.RGBA32F; - } - return gl.RGBA; - } - - _setupOutputTexture() { - const gl = this.context; - if (this.texture) { - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, this.texture.texture, 0); - return; - } - gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer); - const texture = gl.createTexture(); - const texSize = this.texSize; - gl.activeTexture(gl.TEXTURE0 + this.constantTextureCount + this.argumentTextureCount); - gl.bindTexture(gl.TEXTURE_2D, texture); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - const format = this.getInternalFormat(); - if (this.precision === 'single') { - gl.texStorage2D(gl.TEXTURE_2D, 1, format, texSize[0], texSize[1]); - } else { - gl.texImage2D(gl.TEXTURE_2D, 0, format, texSize[0], texSize[1], 0, format, gl.UNSIGNED_BYTE, null); - } - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0); - this.texture = new this.TextureConstructor({ - texture, - size: texSize, - dimensions: this.threadDim, - output: this.output, - context: this.context, - internalFormat: this.getInternalFormat(), - textureFormat: this.getTextureFormat(), - kernel: this, - }); - } - - _setupSubOutputTextures() { - const gl = this.context; - if (this.mappedTextures) { - for (let i = 0; i < this.subKernels.length; i++) { - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0 + i + 1, gl.TEXTURE_2D, this.mappedTextures[i].texture, 0); - } - return; - } - const texSize = this.texSize; - this.drawBuffersMap = [gl.COLOR_ATTACHMENT0]; - this.mappedTextures = []; - for (let i = 0; i < this.subKernels.length; i++) { - const texture = this.createTexture(); - this.drawBuffersMap.push(gl.COLOR_ATTACHMENT0 + i + 1); - gl.activeTexture(gl.TEXTURE0 + this.constantTextureCount + this.argumentTextureCount + i); - gl.bindTexture(gl.TEXTURE_2D, texture); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); - const format = this.getInternalFormat(); - if (this.precision === 'single') { - gl.texStorage2D(gl.TEXTURE_2D, 1, format, texSize[0], texSize[1]); - } else { - gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, texSize[0], texSize[1], 0, gl.RGBA, gl.UNSIGNED_BYTE, null); - } - gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0 + i + 1, gl.TEXTURE_2D, texture, 0); - - this.mappedTextures.push(new this.TextureConstructor({ - texture, - size: texSize, - dimensions: this.threadDim, - output: this.output, - context: this.context, - internalFormat: this.getInternalFormat(), - textureFormat: this.getTextureFormat(), - kernel: this, - })); - } - } - - _getHeaderString() { - return ''; - } - - _getTextureCoordinate() { - const subKernels = this.subKernels; - const variablePrecision = this.getVariablePrecisionString(this.texSize, this.tactic); - if (subKernels === null || subKernels.length < 1) { - return `in ${ variablePrecision } vec2 vTexCoord;\n`; - } else { - return `out ${ variablePrecision } vec2 vTexCoord;\n`; - } - } - - _getMainArgumentsString(args) { - const result = []; - const argumentNames = this.argumentNames; - for (let i = 0; i < argumentNames.length; i++) { - result.push(this.kernelArguments[i].getSource(args[i])); - } - return result.join(''); - } - - getKernelString() { - const result = [this.getKernelResultDeclaration()]; - const subKernels = this.subKernels; - if (subKernels !== null) { - result.push( - 'layout(location = 0) out vec4 data0' - ); - switch (this.returnType) { - case 'Number': - case 'Float': - case 'Integer': - for (let i = 0; i < subKernels.length; i++) { - const subKernel = subKernels[i]; - result.push( - subKernel.returnType === 'Integer' ? - `int subKernelResult_${ subKernel.name } = 0` : - `float subKernelResult_${ subKernel.name } = 0.0`, - `layout(location = ${ i + 1 }) out vec4 data${ i + 1 }` - ); - } - break; - case 'Array(2)': - for (let i = 0; i < subKernels.length; i++) { - result.push( - `vec2 subKernelResult_${ subKernels[i].name }`, - `layout(location = ${ i + 1 }) out vec4 data${ i + 1 }` - ); - } - break; - case 'Array(3)': - for (let i = 0; i < subKernels.length; i++) { - result.push( - `vec3 subKernelResult_${ subKernels[i].name }`, - `layout(location = ${ i + 1 }) out vec4 data${ i + 1 }` - ); - } - break; - case 'Array(4)': - for (let i = 0; i < subKernels.length; i++) { - result.push( - `vec4 subKernelResult_${ subKernels[i].name }`, - `layout(location = ${ i + 1 }) out vec4 data${ i + 1 }` - ); - } - break; - } - } else { - result.push( - 'out vec4 data0' - ); - } - - return utils.linesToString(result) + this.translatedSource; - } - - getMainResultGraphical() { - return utils.linesToString([ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ' data0 = actualColor', - ]); - } - - getMainResultPackedPixels() { - switch (this.returnType) { - case 'LiteralInteger': - case 'Number': - case 'Integer': - case 'Float': - return this.getMainResultKernelPackedPixels() + - this.getMainResultSubKernelPackedPixels(); - default: - throw new Error(`packed output only usable with Numbers, "${this.returnType}" specified`); - } - } - - getMainResultKernelPackedPixels() { - return utils.linesToString([ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ` data0 = ${this.useLegacyEncoder ? 'legacyEncode32' : 'encode32'}(kernelResult)` - ]); - } - - getMainResultSubKernelPackedPixels() { - const result = []; - if (!this.subKernels) return ''; - for (let i = 0; i < this.subKernels.length; i++) { - const subKernel = this.subKernels[i]; - if (subKernel.returnType === 'Integer') { - result.push( - ` data${i + 1} = ${this.useLegacyEncoder ? 'legacyEncode32' : 'encode32'}(float(subKernelResult_${this.subKernels[i].name}))` - ); - } else { - result.push( - ` data${i + 1} = ${this.useLegacyEncoder ? 'legacyEncode32' : 'encode32'}(subKernelResult_${this.subKernels[i].name})` - ); - } - } - return utils.linesToString(result); - } - - getMainResultKernelMemoryOptimizedFloats(result, channel) { - result.push( - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ` data0.${channel} = kernelResult` - ); - } - - getMainResultSubKernelMemoryOptimizedFloats(result, channel) { - if (!this.subKernels) return result; - for (let i = 0; i < this.subKernels.length; i++) { - const subKernel = this.subKernels[i]; - if (subKernel.returnType === 'Integer') { - result.push( - ` data${i + 1}.${channel} = float(subKernelResult_${subKernel.name})` - ); - } else { - result.push( - ` data${i + 1}.${channel} = subKernelResult_${subKernel.name}` - ); - } - } - } - - getMainResultKernelNumberTexture() { - return [ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ' data0[0] = kernelResult', - ]; - } - - getMainResultSubKernelNumberTexture() { - const result = []; - if (!this.subKernels) return result; - for (let i = 0; i < this.subKernels.length; ++i) { - const subKernel = this.subKernels[i]; - if (subKernel.returnType === 'Integer') { - result.push( - ` data${i + 1}[0] = float(subKernelResult_${subKernel.name})` - ); - } else { - result.push( - ` data${i + 1}[0] = subKernelResult_${subKernel.name}` - ); - } - } - return result; - } - - getMainResultKernelArray2Texture() { - return [ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ' data0[0] = kernelResult[0]', - ' data0[1] = kernelResult[1]', - ]; - } - - getMainResultSubKernelArray2Texture() { - const result = []; - if (!this.subKernels) return result; - for (let i = 0; i < this.subKernels.length; ++i) { - const subKernel = this.subKernels[i]; - result.push( - ` data${i + 1}[0] = subKernelResult_${subKernel.name}[0]`, - ` data${i + 1}[1] = subKernelResult_${subKernel.name}[1]` - ); - } - return result; - } - - getMainResultKernelArray3Texture() { - return [ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ' data0[0] = kernelResult[0]', - ' data0[1] = kernelResult[1]', - ' data0[2] = kernelResult[2]', - ]; - } - - getMainResultSubKernelArray3Texture() { - const result = []; - if (!this.subKernels) return result; - for (let i = 0; i < this.subKernels.length; ++i) { - const subKernel = this.subKernels[i]; - result.push( - ` data${i + 1}[0] = subKernelResult_${subKernel.name}[0]`, - ` data${i + 1}[1] = subKernelResult_${subKernel.name}[1]`, - ` data${i + 1}[2] = subKernelResult_${subKernel.name}[2]` - ); - } - return result; - } - - getMainResultKernelArray4Texture() { - return [ - ' threadId = indexTo3D(index, uOutputDim)', - ' kernel()', - ' data0 = kernelResult', - ]; - } - - getMainResultSubKernelArray4Texture() { - const result = []; - if (!this.subKernels) return result; - for (let i = 0; i < this.subKernels.length; ++i) { - result.push( - ` data${i + 1} = subKernelResult_${this.subKernels[i].name}` - ); - } - return result; - } - - destroyExtensions() { - this.extensions.EXT_color_buffer_float = null; - this.extensions.OES_texture_float_linear = null; - } - - toJSON() { - const json = super.toJSON(); - json.functionNodes = FunctionBuilder.fromKernel(this, WebGL2FunctionNode).toJSON(); - json.settings.threadDim = this.threadDim; - return json; - } -} - -module.exports = { - WebGL2Kernel -}; -},{"../../utils":114,"../function-builder":9,"../web-gl/kernel":70,"./fragment-shader":72,"./function-node":73,"./kernel-value-maps":74,"./vertex-shader":106}],106:[function(require,module,exports){ -const vertexShader = `#version 300 es -__FLOAT_TACTIC_DECLARATION__; -__INT_TACTIC_DECLARATION__; -__SAMPLER_2D_TACTIC_DECLARATION__; - -in vec2 aPos; -in vec2 aTexCoord; - -out vec2 vTexCoord; -uniform vec2 ratio; - -void main(void) { - gl_Position = vec4((aPos + vec2(1)) * ratio + vec2(-1), 0, 1); - vTexCoord = aTexCoord; -}`; - -module.exports = { - vertexShader -}; -},{}],107:[function(require,module,exports){ -const lib = require('./index'); -const GPU = lib.GPU; -for (const p in lib) { - if (!lib.hasOwnProperty(p)) continue; - if (p === 'GPU') continue; - GPU[p] = lib[p]; -} - -if (typeof window !== 'undefined') { - bindTo(window); -} -if (typeof self !== 'undefined') { - bindTo(self); -} - -function bindTo(target) { - if (target.GPU) return; - Object.defineProperty(target, 'GPU', { - get() { - return GPU; - } - }); -} - -module.exports = lib; -},{"./index":109}],108:[function(require,module,exports){ -const { gpuMock } = require('gpu-mock.js'); -const { utils } = require('./utils'); -const { Kernel } = require('./backend/kernel'); -const { CPUKernel } = require('./backend/cpu/kernel'); -const { HeadlessGLKernel } = require('./backend/headless-gl/kernel'); -const { WebGL2Kernel } = require('./backend/web-gl2/kernel'); -const { WebGLKernel } = require('./backend/web-gl/kernel'); -const { kernelRunShortcut } = require('./kernel-run-shortcut'); - - -const kernelOrder = [HeadlessGLKernel, WebGL2Kernel, WebGLKernel]; - -const kernelTypes = ['gpu', 'cpu']; - -const internalKernels = { - 'headlessgl': HeadlessGLKernel, - 'webgl2': WebGL2Kernel, - 'webgl': WebGLKernel, -}; - -let validate = true; - -class GPU { - static disableValidation() { - validate = false; - } - - static enableValidation() { - validate = true; - } - - static get isGPUSupported() { - return kernelOrder.some(Kernel => Kernel.isSupported); - } - - static get isKernelMapSupported() { - return kernelOrder.some(Kernel => Kernel.isSupported && Kernel.features.kernelMap); - } - - static get isOffscreenCanvasSupported() { - return (typeof Worker !== 'undefined' && typeof OffscreenCanvas !== 'undefined') || typeof importScripts !== 'undefined'; - } - - static get isWebGLSupported() { - return WebGLKernel.isSupported; - } - - static get isWebGL2Supported() { - return WebGL2Kernel.isSupported; - } - - static get isHeadlessGLSupported() { - return HeadlessGLKernel.isSupported; - } - - static get isCanvasSupported() { - return typeof HTMLCanvasElement !== 'undefined'; - } - - static get isGPUHTMLImageArraySupported() { - return WebGL2Kernel.isSupported; - } - - static get isSinglePrecisionSupported() { - return kernelOrder.some(Kernel => Kernel.isSupported && Kernel.features.isFloatRead && Kernel.features.isTextureFloat); - } - - constructor(settings) { - settings = settings || {}; - this.canvas = settings.canvas || null; - this.context = settings.context || null; - this.mode = settings.mode; - this.Kernel = null; - this.kernels = []; - this.functions = []; - this.nativeFunctions = []; - this.injectedNative = null; - if (this.mode === 'dev') return; - this.chooseKernel(); - if (settings.functions) { - for (let i = 0; i < settings.functions.length; i++) { - this.addFunction(settings.functions[i]); - } - } - - if (settings.nativeFunctions) { - for (const p in settings.nativeFunctions) { - if (!settings.nativeFunctions.hasOwnProperty(p)) continue; - const s = settings.nativeFunctions[p]; - const { name, source } = s; - this.addNativeFunction(name, source, s); - } - } - } - - chooseKernel() { - if (this.Kernel) return; - - let Kernel = null; - - if (this.context) { - for (let i = 0; i < kernelOrder.length; i++) { - const ExternalKernel = kernelOrder[i]; - if (ExternalKernel.isContextMatch(this.context)) { - if (!ExternalKernel.isSupported) { - throw new Error(`Kernel type ${ExternalKernel.name} not supported`); - } - Kernel = ExternalKernel; - break; - } - } - if (Kernel === null) { - throw new Error('unknown Context'); - } - } else if (this.mode) { - if (this.mode in internalKernels) { - if (!validate || internalKernels[this.mode].isSupported) { - Kernel = internalKernels[this.mode]; - } - } else if (this.mode === 'gpu') { - for (let i = 0; i < kernelOrder.length; i++) { - if (kernelOrder[i].isSupported) { - Kernel = kernelOrder[i]; - break; - } - } - } else if (this.mode === 'cpu') { - Kernel = CPUKernel; - } - if (!Kernel) { - throw new Error(`A requested mode of "${this.mode}" and is not supported`); - } - } else { - for (let i = 0; i < kernelOrder.length; i++) { - if (kernelOrder[i].isSupported) { - Kernel = kernelOrder[i]; - break; - } - } - if (!Kernel) { - Kernel = CPUKernel; - } - } - - if (!this.mode) { - this.mode = Kernel.mode; - } - this.Kernel = Kernel; - } - - createKernel(source, settings) { - if (typeof source === 'undefined') { - throw new Error('Missing source parameter'); - } - if (typeof source !== 'object' && !utils.isFunction(source) && typeof source !== 'string') { - throw new Error('source parameter not a function'); - } - - const kernels = this.kernels; - if (this.mode === 'dev') { - const devKernel = gpuMock(source, upgradeDeprecatedCreateKernelSettings(settings)); - kernels.push(devKernel); - return devKernel; - } - - source = typeof source === 'function' ? source.toString() : source; - const switchableKernels = {}; - const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings) || {}; - if (settings && typeof settings.argumentTypes === 'object') { - settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]); - } - - function onRequestFallback(args) { - console.warn('Falling back to CPU'); - const fallbackKernel = new CPUKernel(source, { - argumentTypes: kernelRun.argumentTypes, - constantTypes: kernelRun.constantTypes, - graphical: kernelRun.graphical, - loopMaxIterations: kernelRun.loopMaxIterations, - constants: kernelRun.constants, - dynamicOutput: kernelRun.dynamicOutput, - dynamicArgument: kernelRun.dynamicArguments, - output: kernelRun.output, - precision: kernelRun.precision, - pipeline: kernelRun.pipeline, - immutable: kernelRun.immutable, - optimizeFloatMemory: kernelRun.optimizeFloatMemory, - fixIntegerDivisionAccuracy: kernelRun.fixIntegerDivisionAccuracy, - functions: kernelRun.functions, - nativeFunctions: kernelRun.nativeFunctions, - injectedNative: kernelRun.injectedNative, - subKernels: kernelRun.subKernels, - strictIntegers: kernelRun.strictIntegers, - debug: kernelRun.debug, - }); - fallbackKernel.build.apply(fallbackKernel, args); - const result = fallbackKernel.run.apply(fallbackKernel, args); - kernelRun.replaceKernel(fallbackKernel); - return result; - } - - function onRequestSwitchKernel(reasons, args, _kernel) { - if (_kernel.debug) { - console.warn('Switching kernels'); - } - let newOutput = null; - if (_kernel.signature && !switchableKernels[_kernel.signature]) { - switchableKernels[_kernel.signature] = _kernel; - } - if (_kernel.dynamicOutput) { - for (let i = reasons.length - 1; i >= 0; i--) { - const reason = reasons[i]; - if (reason.type === 'outputPrecisionMismatch') { - newOutput = reason.needed; - } - } - } - - const Constructor = _kernel.constructor; - const argumentTypes = Constructor.getArgumentTypes(_kernel, args); - const signature = Constructor.getSignature(_kernel, argumentTypes); - const existingKernel = switchableKernels[signature]; - if (existingKernel) { - existingKernel.onActivate(_kernel); - return existingKernel; - } - - const newKernel = switchableKernels[signature] = new Constructor(source, { - argumentTypes, - constantTypes: _kernel.constantTypes, - graphical: _kernel.graphical, - loopMaxIterations: _kernel.loopMaxIterations, - constants: _kernel.constants, - dynamicOutput: _kernel.dynamicOutput, - dynamicArgument: _kernel.dynamicArguments, - context: _kernel.context, - canvas: _kernel.canvas, - output: newOutput || _kernel.output, - precision: _kernel.precision, - pipeline: _kernel.pipeline, - immutable: _kernel.immutable, - optimizeFloatMemory: _kernel.optimizeFloatMemory, - fixIntegerDivisionAccuracy: _kernel.fixIntegerDivisionAccuracy, - functions: _kernel.functions, - nativeFunctions: _kernel.nativeFunctions, - injectedNative: _kernel.injectedNative, - subKernels: _kernel.subKernels, - strictIntegers: _kernel.strictIntegers, - debug: _kernel.debug, - gpu: _kernel.gpu, - validate, - returnType: _kernel.returnType, - tactic: _kernel.tactic, - onRequestFallback, - onRequestSwitchKernel, - texture: _kernel.texture, - mappedTextures: _kernel.mappedTextures, - drawBuffersMap: _kernel.drawBuffersMap, - }); - newKernel.build.apply(newKernel, args); - kernelRun.replaceKernel(newKernel); - kernels.push(newKernel); - return newKernel; - } - const mergedSettings = Object.assign({ - context: this.context, - canvas: this.canvas, - functions: this.functions, - nativeFunctions: this.nativeFunctions, - injectedNative: this.injectedNative, - gpu: this, - validate, - onRequestFallback, - onRequestSwitchKernel - }, settingsCopy); - - const kernel = new this.Kernel(source, mergedSettings); - const kernelRun = kernelRunShortcut(kernel); - - if (!this.canvas) { - this.canvas = kernel.canvas; - } - - if (!this.context) { - this.context = kernel.context; - } - - kernels.push(kernel); - - return kernelRun; - } - - createKernelMap() { - let fn; - let settings; - const argument2Type = typeof arguments[arguments.length - 2]; - if (argument2Type === 'function' || argument2Type === 'string') { - fn = arguments[arguments.length - 2]; - settings = arguments[arguments.length - 1]; - } else { - fn = arguments[arguments.length - 1]; - } - - if (this.mode !== 'dev') { - if (!this.Kernel.isSupported || !this.Kernel.features.kernelMap) { - if (this.mode && kernelTypes.indexOf(this.mode) < 0) { - throw new Error(`kernelMap not supported on ${this.Kernel.name}`); - } - } - } - - const settingsCopy = upgradeDeprecatedCreateKernelSettings(settings); - if (settings && typeof settings.argumentTypes === 'object') { - settingsCopy.argumentTypes = Object.keys(settings.argumentTypes).map(argumentName => settings.argumentTypes[argumentName]); - } - - if (Array.isArray(arguments[0])) { - settingsCopy.subKernels = []; - const functions = arguments[0]; - for (let i = 0; i < functions.length; i++) { - const source = functions[i].toString(); - const name = utils.getFunctionNameFromString(source); - settingsCopy.subKernels.push({ - name, - source, - property: i, - }); - } - } else { - settingsCopy.subKernels = []; - const functions = arguments[0]; - for (let p in functions) { - if (!functions.hasOwnProperty(p)) continue; - const source = functions[p].toString(); - const name = utils.getFunctionNameFromString(source); - settingsCopy.subKernels.push({ - name: name || p, - source, - property: p, - }); - } - } - return this.createKernel(fn, settingsCopy); - } - - combineKernels() { - const firstKernel = arguments[0]; - const combinedKernel = arguments[arguments.length - 1]; - if (firstKernel.kernel.constructor.mode === 'cpu') return combinedKernel; - const canvas = arguments[0].canvas; - const context = arguments[0].context; - const max = arguments.length - 1; - for (let i = 0; i < max; i++) { - arguments[i] - .setCanvas(canvas) - .setContext(context) - .setPipeline(true); - } - - return function() { - const texture = combinedKernel.apply(this, arguments); - if (texture.toArray) { - return texture.toArray(); - } - return texture; - }; - } - - setFunctions(functions) { - this.functions = functions; - return this; - } - - setNativeFunctions(nativeFunctions) { - this.nativeFunctions = nativeFunctions; - return this; - } - - addFunction(source, settings) { - this.functions.push({ source, settings }); - return this; - } - - addNativeFunction(name, source, settings) { - if (this.kernels.length > 0) { - throw new Error('Cannot call "addNativeFunction" after "createKernels" has been called.'); - } - this.nativeFunctions.push(Object.assign({ name, source }, settings)); - return this; - } - - injectNative(source) { - this.injectedNative = source; - return this; - } - - destroy() { - return new Promise((resolve, reject) => { - if (!this.kernels) { - resolve(); - } - setTimeout(() => { - try { - for (let i = 0; i < this.kernels.length; i++) { - this.kernels[i].destroy(true); - } - let firstKernel = this.kernels[0]; - if (firstKernel) { - if (firstKernel.kernel) { - firstKernel = firstKernel.kernel; - } - if (firstKernel.constructor.destroyContext) { - firstKernel.constructor.destroyContext(this.context); - } - } - } catch (e) { - reject(e); - } - resolve(); - }, 0); - }); - } -} - - -function upgradeDeprecatedCreateKernelSettings(settings) { - if (!settings) { - return {}; - } - const upgradedSettings = Object.assign({}, settings); - - if (settings.hasOwnProperty('floatOutput')) { - utils.warnDeprecated('setting', 'floatOutput', 'precision'); - upgradedSettings.precision = settings.floatOutput ? 'single' : 'unsigned'; - } - if (settings.hasOwnProperty('outputToTexture')) { - utils.warnDeprecated('setting', 'outputToTexture', 'pipeline'); - upgradedSettings.pipeline = Boolean(settings.outputToTexture); - } - if (settings.hasOwnProperty('outputImmutable')) { - utils.warnDeprecated('setting', 'outputImmutable', 'immutable'); - upgradedSettings.immutable = Boolean(settings.outputImmutable); - } - if (settings.hasOwnProperty('floatTextures')) { - utils.warnDeprecated('setting', 'floatTextures', 'optimizeFloatMemory'); - upgradedSettings.optimizeFloatMemory = Boolean(settings.floatTextures); - } - return upgradedSettings; -} - -module.exports = { - GPU, - kernelOrder, - kernelTypes -}; -},{"./backend/cpu/kernel":8,"./backend/headless-gl/kernel":34,"./backend/kernel":36,"./backend/web-gl/kernel":70,"./backend/web-gl2/kernel":105,"./kernel-run-shortcut":111,"./utils":114,"gpu-mock.js":4}],109:[function(require,module,exports){ -const { GPU } = require('./gpu'); -const { alias } = require('./alias'); -const { utils } = require('./utils'); -const { Input, input } = require('./input'); -const { Texture } = require('./texture'); -const { FunctionBuilder } = require('./backend/function-builder'); -const { FunctionNode } = require('./backend/function-node'); -const { CPUFunctionNode } = require('./backend/cpu/function-node'); -const { CPUKernel } = require('./backend/cpu/kernel'); - -const { HeadlessGLKernel } = require('./backend/headless-gl/kernel'); - -const { WebGLFunctionNode } = require('./backend/web-gl/function-node'); -const { WebGLKernel } = require('./backend/web-gl/kernel'); -const { kernelValueMaps: webGLKernelValueMaps } = require('./backend/web-gl/kernel-value-maps'); - -const { WebGL2FunctionNode } = require('./backend/web-gl2/function-node'); -const { WebGL2Kernel } = require('./backend/web-gl2/kernel'); -const { kernelValueMaps: webGL2KernelValueMaps } = require('./backend/web-gl2/kernel-value-maps'); - -const { GLKernel } = require('./backend/gl/kernel'); - -const { Kernel } = require('./backend/kernel'); - -const { FunctionTracer } = require('./backend/function-tracer'); - -const mathRandom = require('./plugins/math-random-uniformly-distributed'); - -module.exports = { - alias, - CPUFunctionNode, - CPUKernel, - GPU, - FunctionBuilder, - FunctionNode, - HeadlessGLKernel, - Input, - input, - Texture, - utils, - - WebGL2FunctionNode, - WebGL2Kernel, - webGL2KernelValueMaps, - - WebGLFunctionNode, - WebGLKernel, - webGLKernelValueMaps, - - GLKernel, - Kernel, - FunctionTracer, - - plugins: { - mathRandom - } -}; -},{"./alias":5,"./backend/cpu/function-node":6,"./backend/cpu/kernel":8,"./backend/function-builder":9,"./backend/function-node":10,"./backend/function-tracer":11,"./backend/gl/kernel":13,"./backend/headless-gl/kernel":34,"./backend/kernel":36,"./backend/web-gl/function-node":38,"./backend/web-gl/kernel":70,"./backend/web-gl/kernel-value-maps":39,"./backend/web-gl2/function-node":73,"./backend/web-gl2/kernel":105,"./backend/web-gl2/kernel-value-maps":74,"./gpu":108,"./input":110,"./plugins/math-random-uniformly-distributed":112,"./texture":113,"./utils":114}],110:[function(require,module,exports){ -class Input { - constructor(value, size) { - this.value = value; - if (Array.isArray(size)) { - this.size = size; - } else { - this.size = new Int32Array(3); - if (size.z) { - this.size = new Int32Array([size.x, size.y, size.z]); - } else if (size.y) { - this.size = new Int32Array([size.x, size.y]); - } else { - this.size = new Int32Array([size.x]); - } - } - - const [w, h, d] = this.size; - if (d) { - if (this.value.length !== (w * h * d)) { - throw new Error(`Input size ${this.value.length} does not match ${w} * ${h} * ${d} = ${(h * w * d)}`); - } - } else if (h) { - if (this.value.length !== (w * h)) { - throw new Error(`Input size ${this.value.length} does not match ${w} * ${h} = ${(h * w)}`); - } - } else { - if (this.value.length !== w) { - throw new Error(`Input size ${this.value.length} does not match ${w}`); - } - } - - } - - toArray() { - const { utils } = require('./utils'); - const [w, h, d] = this.size; - if (d) { - return utils.erectMemoryOptimized3DFloat(this.value.subarray ? this.value : new Float32Array(this.value), w, h, d); - } else if (h) { - return utils.erectMemoryOptimized2DFloat(this.value.subarray ? this.value : new Float32Array(this.value), w, h); - } else { - return this.value; - } - } -} - -function input(value, size) { - return new Input(value, size); -} - -module.exports = { - Input, - input -}; -},{"./utils":114}],111:[function(require,module,exports){ -const { utils } = require('./utils'); - -function kernelRunShortcut(kernel) { - let run = function() { - kernel.build.apply(kernel, arguments); - run = function() { - let result = kernel.run.apply(kernel, arguments); - if (kernel.switchingKernels) { - const reasons = kernel.resetSwitchingKernels(); - const newKernel = kernel.onRequestSwitchKernel(reasons, arguments, kernel); - shortcut.kernel = kernel = newKernel; - result = newKernel.run.apply(newKernel, arguments); - } - if (kernel.renderKernels) { - return kernel.renderKernels(); - } else if (kernel.renderOutput) { - return kernel.renderOutput(); - } else { - return result; - } - }; - return run.apply(kernel, arguments); - }; - const shortcut = function() { - return run.apply(kernel, arguments); - }; - shortcut.exec = function() { - return new Promise((accept, reject) => { - try { - accept(run.apply(this, arguments)); - } catch (e) { - reject(e); - } - }); - }; - shortcut.replaceKernel = function(replacementKernel) { - kernel = replacementKernel; - bindKernelToShortcut(kernel, shortcut); - }; - - bindKernelToShortcut(kernel, shortcut); - return shortcut; -} - -function bindKernelToShortcut(kernel, shortcut) { - if (shortcut.kernel) { - shortcut.kernel = kernel; - return; - } - const properties = utils.allPropertiesOf(kernel); - for (let i = 0; i < properties.length; i++) { - const property = properties[i]; - if (property[0] === '_' && property[1] === '_') continue; - if (typeof kernel[property] === 'function') { - if (property.substring(0, 3) === 'add' || property.substring(0, 3) === 'set') { - shortcut[property] = function() { - shortcut.kernel[property].apply(shortcut.kernel, arguments); - return shortcut; - }; - } else { - shortcut[property] = function() { - return shortcut.kernel[property].apply(shortcut.kernel, arguments); - }; - } - } else { - shortcut.__defineGetter__(property, () => shortcut.kernel[property]); - shortcut.__defineSetter__(property, (value) => { - shortcut.kernel[property] = value; - }); - } - } - shortcut.kernel = kernel; -} -module.exports = { - kernelRunShortcut -}; -},{"./utils":114}],112:[function(require,module,exports){ -const source = `// https://www.shadertoy.com/view/4t2SDh -//note: uniformly distributed, normalized rand, [0,1] -highp float randomSeedShift = 1.0; -highp float slide = 1.0; -uniform highp float randomSeed1; -uniform highp float randomSeed2; - -highp float nrand(highp vec2 n) { - highp float result = fract(sin(dot((n.xy + 1.0) * vec2(randomSeed1 * slide, randomSeed2 * randomSeedShift), vec2(12.9898, 78.233))) * 43758.5453); - randomSeedShift = result; - if (randomSeedShift > 0.5) { - slide += 0.00009; - } else { - slide += 0.0009; - } - return result; -}`; - -const name = 'math-random-uniformly-distributed'; - -const functionMatch = `Math.random()`; - -const functionReplace = `nrand(vTexCoord)`; - -const functionReturnType = 'Number'; -const onBeforeRun = (kernel) => { - kernel.setUniform1f('randomSeed1', Math.random()); - kernel.setUniform1f('randomSeed2', Math.random()); -}; - -const plugin = { - name, - onBeforeRun, - functionMatch, - functionReplace, - functionReturnType, - source -}; - -module.exports = plugin; -},{}],113:[function(require,module,exports){ -class Texture { - constructor(settings) { - const { - texture, - size, - dimensions, - output, - context, - type = 'NumberTexture', - kernel, - internalFormat, - textureFormat - } = settings; - if (!output) throw new Error('settings property "output" required.'); - if (!context) throw new Error('settings property "context" required.'); - if (!texture) throw new Error('settings property "texture" required.'); - if (!kernel) throw new Error('settings property "kernel" required.'); - this.texture = texture; - if (texture._refs) { - texture._refs++; - } else { - texture._refs = 1; - } - this.size = size; - this.dimensions = dimensions; - this.output = output; - this.context = context; - this.kernel = kernel; - this.type = type; - this._deleted = false; - this.internalFormat = internalFormat; - this.textureFormat = textureFormat; - } - - toArray() { - throw new Error(`Not implemented on ${this.constructor.name}`); - } - - clone() { - throw new Error(`Not implemented on ${this.constructor.name}`); - } - - delete() { - throw new Error(`Not implemented on ${this.constructor.name}`); - } - - clear() { - throw new Error(`Not implemented on ${this.constructor.name}`); - } -} - -module.exports = { - Texture -}; -},{}],114:[function(require,module,exports){ -const acorn = require('acorn'); -const { Input } = require('./input'); -const { Texture } = require('./texture'); - -const FUNCTION_NAME = /function ([^(]*)/; -const STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg; -const ARGUMENT_NAMES = /([^\s,]+)/g; - -const utils = { - systemEndianness() { - return _systemEndianness; - }, - getSystemEndianness() { - const b = new ArrayBuffer(4); - const a = new Uint32Array(b); - const c = new Uint8Array(b); - a[0] = 0xdeadbeef; - if (c[0] === 0xef) return 'LE'; - if (c[0] === 0xde) return 'BE'; - throw new Error('unknown endianness'); - }, - - isFunction(funcObj) { - return typeof(funcObj) === 'function'; - }, - - isFunctionString(fn) { - if (typeof fn === 'string') { - return (fn - .slice(0, 'function'.length) - .toLowerCase() === 'function'); - } - return false; - }, - - getFunctionNameFromString(funcStr) { - const result = FUNCTION_NAME.exec(funcStr); - if (!result || result.length === 0) return null; - return result[1].trim(); - }, - - getFunctionBodyFromString(funcStr) { - return funcStr.substring(funcStr.indexOf('{') + 1, funcStr.lastIndexOf('}')); - }, - - getArgumentNamesFromString(fn) { - const fnStr = fn.replace(STRIP_COMMENTS, ''); - let result = fnStr.slice(fnStr.indexOf('(') + 1, fnStr.indexOf(')')).match(ARGUMENT_NAMES); - if (result === null) { - result = []; - } - return result; - }, - - clone(obj) { - if (obj === null || typeof obj !== 'object' || obj.hasOwnProperty('isActiveClone')) return obj; - - const temp = obj.constructor(); - - for (let key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key)) { - obj.isActiveClone = null; - temp[key] = utils.clone(obj[key]); - delete obj.isActiveClone; - } - } - - return temp; - }, - - isArray(array) { - return !isNaN(array.length); - }, - - getVariableType(value, strictIntegers) { - if (utils.isArray(value)) { - if (value.length > 0 && value[0].nodeName === 'IMG') { - return 'HTMLImageArray'; - } - return 'Array'; - } - - switch (value.constructor) { - case Boolean: - return 'Boolean'; - case Number: - if (strictIntegers && Number.isInteger(value)) { - return 'Integer'; - } - return 'Float'; - case Texture: - return value.type; - case Input: - return 'Input'; - } - if ('nodeName' in value) { - switch (value.nodeName) { - case 'IMG': - return 'HTMLImage'; - case 'CANVAS': - return 'HTMLImage'; - case 'VIDEO': - return 'HTMLVideo'; - } - } else if (value.hasOwnProperty('type')) { - return value.type; - } else if (typeof OffscreenCanvas !== 'undefined' && value instanceof OffscreenCanvas) { - return 'OffscreenCanvas'; - } else if (typeof ImageBitmap !== 'undefined' && value instanceof ImageBitmap) { - return 'ImageBitmap'; - } else if (typeof ImageData !== 'undefined' && value instanceof ImageData) { - return 'ImageData'; - } - return 'Unknown'; - }, - - getKernelTextureSize(settings, dimensions) { - let [w, h, d] = dimensions; - let texelCount = (w || 1) * (h || 1) * (d || 1); - - if (settings.optimizeFloatMemory && settings.precision === 'single') { - w = texelCount = Math.ceil(texelCount / 4); - } - if (h > 1 && w * h === texelCount) { - return new Int32Array([w, h]); - } - return utils.closestSquareDimensions(texelCount); - }, - - closestSquareDimensions(length) { - const sqrt = Math.sqrt(length); - let high = Math.ceil(sqrt); - let low = Math.floor(sqrt); - while (high * low < length) { - high--; - low = Math.ceil(length / high); - } - return new Int32Array([low, Math.ceil(length / low)]); - }, - - getMemoryOptimizedFloatTextureSize(dimensions, bitRatio) { - const totalArea = utils.roundTo((dimensions[0] || 1) * (dimensions[1] || 1) * (dimensions[2] || 1) * (dimensions[3] || 1), 4); - const texelCount = totalArea / bitRatio; - return utils.closestSquareDimensions(texelCount); - }, - - getMemoryOptimizedPackedTextureSize(dimensions, bitRatio) { - const [w, h, d] = dimensions; - const totalArea = utils.roundTo((w || 1) * (h || 1) * (d || 1), 4); - const texelCount = totalArea / (4 / bitRatio); - return utils.closestSquareDimensions(texelCount); - }, - - roundTo(n, d) { - return Math.floor((n + d - 1) / d) * d; - }, - getDimensions(x, pad) { - let ret; - if (utils.isArray(x)) { - const dim = []; - let temp = x; - while (utils.isArray(temp)) { - dim.push(temp.length); - temp = temp[0]; - } - ret = dim.reverse(); - } else if (x instanceof Texture) { - ret = x.output; - } else if (x instanceof Input) { - ret = x.size; - } else { - throw new Error(`Unknown dimensions of ${x}`); - } - - if (pad) { - ret = Array.from(ret); - while (ret.length < 3) { - ret.push(1); - } - } - - return new Int32Array(ret); - }, - - flatten2dArrayTo(array, target) { - let offset = 0; - for (let y = 0; y < array.length; y++) { - target.set(array[y], offset); - offset += array[y].length; - } - }, - - flatten3dArrayTo(array, target) { - let offset = 0; - for (let z = 0; z < array.length; z++) { - for (let y = 0; y < array[z].length; y++) { - target.set(array[z][y], offset); - offset += array[z][y].length; - } - } - }, - - flatten4dArrayTo(array, target) { - let offset = 0; - for (let l = 0; l < array.length; l++) { - for (let z = 0; z < array[l].length; z++) { - for (let y = 0; y < array[l][z].length; y++) { - target.set(array[l][z][y], offset); - offset += array[l][z][y].length; - } - } - } - }, - - flattenTo(array, target) { - if (utils.isArray(array[0])) { - if (utils.isArray(array[0][0])) { - if (utils.isArray(array[0][0][0])) { - utils.flatten4dArrayTo(array, target); - } else { - utils.flatten3dArrayTo(array, target); - } - } else { - utils.flatten2dArrayTo(array, target); - } - } else { - target.set(array); - } - }, - - splitArray(array, part) { - const result = []; - for (let i = 0; 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';' : ''); - case 'FunctionDeclaration': - return `function ${ast.id.name}(${ast.params.map(flatten).join(', ')}) ${ flatten(ast.body) }`; - case 'BlockStatement': { - const result = []; - indent += 2; - for (let i = 0; i < ast.body.length; i++) { - const flat = flatten(ast.body[i]); - if (flat) { - result.push(' '.repeat(indent) + flat, ';\n'); - } - } - indent -= 2; - return `{\n${result.join('')}}`; - } - case 'VariableDeclaration': - const declarations = utils.normalizeDeclarations(ast) - .map(flatten) - .filter(r => r !== null); - if (declarations.length < 1) { - return ''; - } else { - return `${ast.kind} ${declarations.join(',')}`; - } - case 'VariableDeclarator': - if (ast.init.object && ast.init.object.type === 'ThisExpression') { - const lookup = thisLookup(ast.init.property.name, true); - if (lookup) { - return `${ast.id.name} = ${flatten(ast.init)}`; - } else { - return null; - } - } else { - return `${ast.id.name} = ${flatten(ast.init)}`; - } - case 'CallExpression': { - if (ast.callee.property.name === 'subarray') { - return `${flatten(ast.callee.object)}.${flatten(ast.callee.property)}(${ast.arguments.map(value => flatten(value)).join(', ')})`; - } - if (ast.callee.object.name === 'gl' || ast.callee.object.name === 'context') { - return `${flatten(ast.callee.object)}.${flatten(ast.callee.property)}(${ast.arguments.map(value => flatten(value)).join(', ')})`; - } - if (ast.callee.object.type === 'ThisExpression') { - functionDependencies.push(findDependency('this', ast.callee.property.name)); - return `${ast.callee.property.name}(${ast.arguments.map(value => flatten(value)).join(', ')})`; - } else if (ast.callee.object.name) { - const foundSource = findDependency(ast.callee.object.name, ast.callee.property.name); - if (foundSource === null) { - return `${ast.callee.object.name}.${ast.callee.property.name}(${ast.arguments.map(value => flatten(value)).join(', ')})`; - } else { - functionDependencies.push(foundSource); - return `${ast.callee.property.name}(${ast.arguments.map(value => flatten(value)).join(', ')})`; - } - } else if (ast.callee.object.type === 'MemberExpression') { - return `${flatten(ast.callee.object)}.${ast.callee.property.name}(${ast.arguments.map(value => flatten(value)).join(', ')})`; - } else { - throw new Error('unknown ast.callee'); - } - } - case 'ReturnStatement': - return `return ${flatten(ast.argument)}`; - case 'BinaryExpression': - return `(${flatten(ast.left)}${ast.operator}${flatten(ast.right)})`; - case 'UnaryExpression': - if (ast.prefix) { - return `${ast.operator} ${flatten(ast.argument)}`; - } else { - return `${flatten(ast.argument)} ${ast.operator}`; - } - case 'ExpressionStatement': - return `${flatten(ast.expression)}`; - case 'SequenceExpression': - return `(${flatten(ast.expressions)})`; - case 'ArrowFunctionExpression': - return `(${ast.params.map(flatten).join(', ')}) => ${flatten(ast.body)}`; - case 'Literal': - return ast.raw; - case 'Identifier': - return ast.name; - case 'MemberExpression': - if (ast.object.type === 'ThisExpression') { - return thisLookup(ast.property.name); - } - if (ast.computed) { - return `${flatten(ast.object)}[${flatten(ast.property)}]`; - } - return flatten(ast.object) + '.' + flatten(ast.property); - case 'ThisExpression': - return 'this'; - case 'NewExpression': - return `new ${flatten(ast.callee)}(${ast.arguments.map(value => flatten(value)).join(', ')})`; - case 'ForStatement': - return `for (${flatten(ast.init)};${flatten(ast.test)};${flatten(ast.update)}) ${flatten(ast.body)}`; - case 'AssignmentExpression': - return `${flatten(ast.left)}${ast.operator}${flatten(ast.right)}`; - case 'UpdateExpression': - return `${flatten(ast.argument)}${ast.operator}`; - case 'IfStatement': - return `if (${flatten(ast.test)}) ${flatten(ast.consequent)}`; - case 'ThrowStatement': - return `throw ${flatten(ast.argument)}`; - case 'ObjectPattern': - return ast.properties.map(flatten).join(', '); - case 'ArrayPattern': - return ast.elements.map(flatten).join(', '); - case 'DebuggerStatement': - return 'debugger;'; - case 'ConditionalExpression': - return `${flatten(ast.test)}?${flatten(ast.consequent)}:${flatten(ast.alternate)}`; - case 'Property': - if (ast.kind === 'init') { - return flatten(ast.key); - } - } - throw new Error(`unhandled ast.type of ${ ast.type }`); - } - const result = flatten(ast); - if (functionDependencies.length > 0) { - const flattenedFunctionDependencies = []; - for (let i = 0; i < functionDependencies.length; i++) { - const functionDependency = functionDependencies[i]; - if (!flattened[functionDependency]) { - flattened[functionDependency] = true; - } - functionDependency ? flattenedFunctionDependencies.push(utils.flattenFunctionToString(functionDependency, settings) + '\n') : ''; - } - return flattenedFunctionDependencies.join('') + result; - } - return result; - }, - - normalizeDeclarations: (ast) => { - if (ast.type !== 'VariableDeclaration') throw new Error('Ast is not of type "VariableDeclaration"'); - const normalizedDeclarations = []; - for (let declarationIndex = 0; declarationIndex < ast.declarations.length; declarationIndex++) { - const declaration = ast.declarations[declarationIndex]; - if (declaration.id && declaration.id.type === 'ObjectPattern' && declaration.id.properties) { - const { properties } = declaration.id; - for (let propertyIndex = 0; propertyIndex < properties.length; propertyIndex++) { - const property = properties[propertyIndex]; - if (property.value.type === 'ObjectPattern' && property.value.properties) { - for (let subPropertyIndex = 0; subPropertyIndex < property.value.properties.length; subPropertyIndex++) { - const subProperty = property.value.properties[subPropertyIndex]; - if (subProperty.type === 'Property') { - normalizedDeclarations.push({ - type: 'VariableDeclarator', - id: { - type: 'Identifier', - name: subProperty.key.name - }, - init: { - type: 'MemberExpression', - object: { - type: 'MemberExpression', - object: declaration.init, - property: { - type: 'Identifier', - name: property.key.name - }, - computed: false - }, - property: { - type: 'Identifier', - name: subProperty.key.name - }, - computed: false - } - }); - } else { - throw new Error('unexpected state'); - } - } - } else if (property.value.type === 'Identifier') { - normalizedDeclarations.push({ - type: 'VariableDeclarator', - id: { - type: 'Identifier', - name: property.value && property.value.name ? 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Please use `() => yourFunctionVariableHere` or function() { return yourFunctionVariableHere; }'); - } - }, - sanitizeName: function(name) { - if (dollarSign.test(name)) { - name = name.replace(dollarSign, 'S_S'); - } - if (doubleUnderscore.test(name)) { - name = name.replace(doubleUnderscore, 'U_U'); - } else if (singleUnderscore.test(name)) { - name = name.replace(singleUnderscore, 'u_u'); - } - return name; - } -}; - -const dollarSign = /\$/; -const doubleUnderscore = /__/; -const singleUnderscore = /_/; - -const _systemEndianness = utils.getSystemEndianness(); - -module.exports = { - utils -}; - -},{"./input":110,"./texture":113,"acorn":1}]},{},[107])(107) -}); + *//** + * gpu.js + * http://gpu.rocks/ + * + * GPUX Accelerated JavaScript + * + * @version 2.16.0 + * @date Wed Nov 16 2022 15:48:37 GMT-0500 (Eastern Standard Time) + * + * @license MIT + * The MIT License + * + * Copyright (c) 2022 gpu.js Team + */ +!function(e){if("object"==typeof exports&&"undefined"!=typeof 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this.next(),this.parseVar(r,!0,i),this.finishNode(r,"VariableDeclaration"),(this.type===T._in||this.options.ecmaVersion>=6&&this.isContextual("of"))&&1===r.declarations.length?(this.options.ecmaVersion>=9&&(this.type===T._in?t>-1&&this.unexpected(t):e.await=t>-1),this.parseForIn(e,r)):(t>-1&&this.unexpected(t),this.parseFor(e,r))}var s=new G,a=this.parseExpression(!0,s);return this.type===T._in||this.options.ecmaVersion>=6&&this.isContextual("of")?(this.options.ecmaVersion>=9&&(this.type===T._in?t>-1&&this.unexpected(t):e.await=t>-1),this.toAssignable(a,!1,s),this.checkLVal(a),this.parseForIn(e,a)):(this.checkExpressionErrors(s,!0),t>-1&&this.unexpected(t),this.parseFor(e,a))},U.parseFunctionStatement=function(e,t,n){return this.next(),this.parseFunction(e,H|(n?0:X),!1,t)},U.parseIfStatement=function(e){return this.next(),e.test=this.parseParenExpression(),e.consequent=this.parseStatement("if"),e.alternate=this.eat(T._else)?this.parseStatement("if"):null,this.finishNode(e,"IfStatement")},U.parseReturnStatement=function(e){return this.inFunction||this.options.allowReturnOutsideFunction||this.raise(this.start,"'return' outside of function"),this.next(),this.eat(T.semi)||this.insertSemicolon()?e.argument=null:(e.argument=this.parseExpression(),this.semicolon()),this.finishNode(e,"ReturnStatement")},U.parseSwitchStatement=function(e){var t;this.next(),e.discriminant=this.parseParenExpression(),e.cases=[],this.expect(T.braceL),this.labels.push(W),this.enterScope(0);for(var n=!1;this.type!==T.braceR;)if(this.type===T._case||this.type===T._default){var r=this.type===T._case;t&&this.finishNode(t,"SwitchCase"),e.cases.push(t=this.startNode()),t.consequent=[],this.next(),r?t.test=this.parseExpression():(n&&this.raiseRecoverable(this.lastTokStart,"Multiple default 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e.finalizer=this.eat(T._finally)?this.parseBlock():null,e.handler||e.finalizer||this.raise(e.start,"Missing catch or finally clause"),this.finishNode(e,"TryStatement")},U.parseVarStatement=function(e,t){return this.next(),this.parseVar(e,!1,t),this.semicolon(),this.finishNode(e,"VariableDeclaration")},U.parseWhileStatement=function(e){return this.next(),e.test=this.parseParenExpression(),this.labels.push(B),e.body=this.parseStatement("while"),this.labels.pop(),this.finishNode(e,"WhileStatement")},U.parseWithStatement=function(e){return this.strict&&this.raise(this.start,"'with' in strict mode"),this.next(),e.object=this.parseParenExpression(),e.body=this.parseStatement("with"),this.finishNode(e,"WithStatement")},U.parseEmptyStatement=function(e){return this.next(),this.finishNode(e,"EmptyStatement")},U.parseLabeledStatement=function(e,t,n,r){for(var i=0,s=this.labels;i=0;o--){var u=this.labels[o];if(u.statementStart!==e.start)break;u.statementStart=this.start,u.kind=a}return this.labels.push({name:t,kind:a,statementStart:this.start}),e.body=this.parseStatement(r?-1===r.indexOf("label")?r+"label":r:"label"),this.labels.pop(),e.label=n,this.finishNode(e,"LabeledStatement")},U.parseExpressionStatement=function(e,t){return e.expression=t,this.semicolon(),this.finishNode(e,"ExpressionStatement")},U.parseBlock=function(e,t){for(void 0===e&&(e=!0),void 0===t&&(t=this.startNode()),t.body=[],this.expect(T.braceL),e&&this.enterScope(0);!this.eat(T.braceR);){var n=this.parseStatement(null);t.body.push(n)}return e&&this.exitScope(),this.finishNode(t,"BlockStatement")},U.parseFor=function(e,t){return e.init=t,this.expect(T.semi),e.test=this.type===T.semi?null:this.parseExpression(),this.expect(T.semi),e.update=this.type===T.parenR?null:this.parseExpression(),this.expect(T.parenR),e.body=this.parseStatement("for"),this.exitScope(),this.labels.pop(),this.finishNode(e,"ForStatement")},U.parseForIn=function(e,t){var n=this.type===T._in;return 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this.yieldPos=0,this.awaitPos=0,this.awaitIdentPos=0,this.enterScope(M(e.async,e.generator)),t&H||(e.id=this.type===T.name?this.parseIdent():null),this.parseFunctionParams(e),this.parseFunctionBody(e,n,!1),this.yieldPos=i,this.awaitPos=s,this.awaitIdentPos=a,this.finishNode(e,t&H?"FunctionDeclaration":"FunctionExpression")},U.parseFunctionParams=function(e){this.expect(T.parenL),e.params=this.parseBindingList(T.parenR,!1,this.options.ecmaVersion>=8),this.checkYieldAwaitInDefaultParams()},U.parseClass=function(e,t){this.next();var n=this.strict;this.strict=!0,this.parseClassId(e,t),this.parseClassSuper(e);var r=this.startNode(),i=!1;for(r.body=[],this.expect(T.braceL);!this.eat(T.braceR);){var s=this.parseClassElement(null!==e.superClass);s&&(r.body.push(s),"MethodDefinition"===s.type&&"constructor"===s.kind&&(i&&this.raise(s.start,"Duplicate constructor in the same class"),i=!0))}return e.body=this.finishNode(r,"ClassBody"),this.strict=n,this.finishNode(e,t?"ClassDeclaration":"ClassExpression")},U.parseClassElement=function(e){var t=this;if(this.eat(T.semi))return null;var n=this.startNode(),r=function(e,r){void 0===r&&(r=!1);var i=t.start,s=t.startLoc;return!!t.eatContextual(e)&&(!(t.type===T.parenL||r&&t.canInsertSemicolon())||(n.key&&t.unexpected(),n.computed=!1,n.key=t.startNodeAt(i,s),n.key.name=e,t.finishNode(n.key,"Identifier"),!1))};n.kind="method",n.static=r("static");var i=this.eat(T.star),s=!1;i||(this.options.ecmaVersion>=8&&r("async",!0)?(s=!0,i=this.options.ecmaVersion>=9&&this.eat(T.star)):r("get")?n.kind="get":r("set")&&(n.kind="set")),n.key||this.parsePropertyName(n);var a=n.key,o=!1;return n.computed||n.static||!("Identifier"===a.type&&"constructor"===a.name||"Literal"===a.type&&"constructor"===a.value)?n.static&&"Identifier"===a.type&&"prototype"===a.name&&this.raise(a.start,"Classes may not have a static property named 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e.value=this.parseMethod(t,n,r),this.finishNode(e,"MethodDefinition")},U.parseClassId=function(e,t){this.type===T.name?(e.id=this.parseIdent(),t&&this.checkLVal(e.id,2,!1)):(!0===t&&this.unexpected(),e.id=null)},U.parseClassSuper=function(e){e.superClass=this.eat(T._extends)?this.parseExprSubscripts():null},U.parseExport=function(e,t){if(this.next(),this.eat(T.star))return this.expectContextual("from"),this.type!==T.string&&this.unexpected(),e.source=this.parseExprAtom(),this.semicolon(),this.finishNode(e,"ExportAllDeclaration");if(this.eat(T._default)){var n;if(this.checkExport(t,"default",this.lastTokStart),this.type===T._function||(n=this.isAsyncFunction())){var r=this.startNode();this.next(),n&&this.next(),e.declaration=this.parseFunction(r,4|H,!1,n)}else if(this.type===T._class){var i=this.startNode();e.declaration=this.parseClass(i,"nullableID")}else e.declaration=this.parseMaybeAssign(),this.semicolon();return 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this.parseFunction(this.startNodeAt(r,i),0,!1,!0);if(n&&!this.canInsertSemicolon()){if(this.eat(T.arrow))return this.parseArrowExpression(this.startNodeAt(r,i),[a],!1);if(this.options.ecmaVersion>=8&&"async"===a.name&&this.type===T.name&&!s)return a=this.parseIdent(!1),!this.canInsertSemicolon()&&this.eat(T.arrow)||this.unexpected(),this.parseArrowExpression(this.startNodeAt(r,i),[a],!0)}return a;case T.regexp:var o=this.value;return(t=this.parseLiteral(o.value)).regex={pattern:o.pattern,flags:o.flags},t;case T.num:case T.string:return this.parseLiteral(this.value);case T._null:case T._true:case T._false:return(t=this.startNode()).value=this.type===T._null?null:this.type===T._true,t.raw=this.type.keyword,this.next(),this.finishNode(t,"Literal");case T.parenL:var u=this.start,l=this.parseParenAndDistinguishExpression(n);return e&&(e.parenthesizedAssign<0&&!this.isSimpleAssignTarget(l)&&(e.parenthesizedAssign=u),e.parenthesizedBind<0&&(e.parenthesizedBind=u)),l;case T.bracketL:return t=this.startNode(),this.next(),t.elements=this.parseExprList(T.bracketR,!0,!0,e),this.finishNode(t,"ArrayExpression");case T.braceL:return this.parseObj(!1,e);case T._function:return t=this.startNode(),this.next(),this.parseFunction(t,0);case T._class:return this.parseClass(this.startNode(),!1);case T._new:return this.parseNew();case T.backQuote:return this.parseTemplate();case T._import:return this.options.ecmaVersion>=11?this.parseExprImport():this.unexpected();default:this.unexpected()}},Y.parseExprImport=function(){var e=this.startNode();if(this.next(),this.type===T.parenL)return this.parseDynamicImport(e);this.unexpected()},Y.parseDynamicImport=function(e){if(this.next(),e.source=this.parseMaybeAssign(),!this.eat(T.parenR)){var t=this.start;this.eat(T.comma)&&this.eat(T.parenR)?this.raiseRecoverable(t,"Trailing comma is not allowed in import()"):this.unexpected(t)}return this.finishNode(e,"ImportExpression")},Y.parseLiteral=function(e){var t=this.startNode();return t.value=e,t.raw=this.input.slice(this.start,this.end),110===t.raw.charCodeAt(t.raw.length-1)&&(t.bigint=t.raw.slice(0,-1)),this.next(),this.finishNode(t,"Literal")},Y.parseParenExpression=function(){this.expect(T.parenL);var e=this.parseExpression();return this.expect(T.parenR),e},Y.parseParenAndDistinguishExpression=function(e){var t,n=this.start,r=this.startLoc,i=this.options.ecmaVersion>=8;if(this.options.ecmaVersion>=6){this.next();var s,a=this.start,o=this.startLoc,u=[],l=!0,h=!1,c=new G,p=this.yieldPos,d=this.awaitPos;for(this.yieldPos=0,this.awaitPos=0;this.type!==T.parenR;){if(l?l=!1:this.expect(T.comma),i&&this.afterTrailingComma(T.parenR,!0)){h=!0;break}if(this.type===T.ellipsis){s=this.start,u.push(this.parseParenItem(this.parseRestBinding())),this.type===T.comma&&this.raise(this.start,"Comma is not permitted after the rest element");break}u.push(this.parseMaybeAssign(!1,c,this.parseParenItem))}var m=this.start,f=this.startLoc;if(this.expect(T.parenR),e&&!this.canInsertSemicolon()&&this.eat(T.arrow))return this.checkPatternErrors(c,!1),this.checkYieldAwaitInDefaultParams(),this.yieldPos=p,this.awaitPos=d,this.parseParenArrowList(n,r,u);u.length&&!h||this.unexpected(this.lastTokStart),s&&this.unexpected(s),this.checkExpressionErrors(c,!0),this.yieldPos=p||this.yieldPos,this.awaitPos=d||this.awaitPos,u.length>1?((t=this.startNodeAt(a,o)).expressions=u,this.finishNodeAt(t,"SequenceExpression",m,f)):t=u[0]}else t=this.parseParenExpression();if(this.options.preserveParens){var g=this.startNodeAt(n,r);return g.expression=t,this.finishNode(g,"ParenthesizedExpression")}return t},Y.parseParenItem=function(e){return e},Y.parseParenArrowList=function(e,t,n){return this.parseArrowExpression(this.startNodeAt(e,t),n)};var Z=[];Y.parseNew=function(){this.containsEsc&&this.raiseRecoverable(this.start,"Escape sequence in keyword new");var e=this.startNode(),t=this.parseIdent(!0);if(this.options.ecmaVersion>=6&&this.eat(T.dot)){e.meta=t;var n=this.containsEsc;return e.property=this.parseIdent(!0),("target"!==e.property.name||n)&&this.raiseRecoverable(e.property.start,"The only valid meta property for new is new.target"),this.inNonArrowFunction()||this.raiseRecoverable(e.start,"new.target can only be used in functions"),this.finishNode(e,"MetaProperty")}var r=this.start,i=this.startLoc,s=this.type===T._import;return e.callee=this.parseSubscripts(this.parseExprAtom(),r,i,!0),s&&"ImportExpression"===e.callee.type&&this.raise(r,"Cannot use new with import()"),this.eat(T.parenL)?e.arguments=this.parseExprList(T.parenR,this.options.ecmaVersion>=8,!1):e.arguments=Z,this.finishNode(e,"NewExpression")},Y.parseTemplateElement=function(e){var t=e.isTagged,n=this.startNode();return this.type===T.invalidTemplate?(t||this.raiseRecoverable(this.start,"Bad escape sequence in untagged template 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t=e.current();return!!be(t)&&(e.lastIntValue=t,e.advance(),!0)},ge.regexp_eatPatternCharacters=function(e){for(var t=e.pos,n=0;-1!==(n=e.current())&&!be(n);)e.advance();return e.pos!==t},ge.regexp_eatExtendedPatternCharacter=function(e){var t=e.current();return!(-1===t||36===t||t>=40&&t<=43||46===t||63===t||91===t||94===t||124===t)&&(e.advance(),!0)},ge.regexp_groupSpecifier=function(e){if(e.eat(63)){if(this.regexp_eatGroupName(e))return-1!==e.groupNames.indexOf(e.lastStringValue)&&e.raise("Duplicate capture group name"),void e.groupNames.push(e.lastStringValue);e.raise("Invalid group")}},ge.regexp_eatGroupName=function(e){if(e.lastStringValue="",e.eat(60)){if(this.regexp_eatRegExpIdentifierName(e)&&e.eat(62))return!0;e.raise("Invalid capture group name")}return!1},ge.regexp_eatRegExpIdentifierName=function(e){if(e.lastStringValue="",this.regexp_eatRegExpIdentifierStart(e)){for(e.lastStringValue+=ye(e.lastIntValue);this.regexp_eatRegExpIdentifierPart(e);)e.lastStringValue+=ye(e.lastIntValue);return!0}return!1},ge.regexp_eatRegExpIdentifierStart=function(e){var t=e.pos,n=e.current();return e.advance(),92===n&&this.regexp_eatRegExpUnicodeEscapeSequence(e)&&(n=e.lastIntValue),function(e){return p(e,!0)||36===e||95===e}(n)?(e.lastIntValue=n,!0):(e.pos=t,!1)},ge.regexp_eatRegExpIdentifierPart=function(e){var t=e.pos,n=e.current();return e.advance(),92===n&&this.regexp_eatRegExpUnicodeEscapeSequence(e)&&(n=e.lastIntValue),function(e){return d(e,!0)||36===e||95===e||8204===e||8205===e}(n)?(e.lastIntValue=n,!0):(e.pos=t,!1)},ge.regexp_eatAtomEscape=function(e){return!!(this.regexp_eatBackReference(e)||this.regexp_eatCharacterClassEscape(e)||this.regexp_eatCharacterEscape(e)||e.switchN&&this.regexp_eatKGroupName(e))||(e.switchU&&(99===e.current()&&e.raise("Invalid unicode escape"),e.raise("Invalid escape")),!1)},ge.regexp_eatBackReference=function(e){var t=e.pos;if(this.regexp_eatDecimalEscape(e)){var n=e.lastIntValue;if(e.switchU)return n>e.maxBackReference&&(e.maxBackReference=n),!0;if(n<=e.numCapturingParens)return!0;e.pos=t}return!1},ge.regexp_eatKGroupName=function(e){if(e.eat(107)){if(this.regexp_eatGroupName(e))return e.backReferenceNames.push(e.lastStringValue),!0;e.raise("Invalid named reference")}return!1},ge.regexp_eatCharacterEscape=function(e){return this.regexp_eatControlEscape(e)||this.regexp_eatCControlLetter(e)||this.regexp_eatZero(e)||this.regexp_eatHexEscapeSequence(e)||this.regexp_eatRegExpUnicodeEscapeSequence(e)||!e.switchU&&this.regexp_eatLegacyOctalEscapeSequence(e)||this.regexp_eatIdentityEscape(e)},ge.regexp_eatCControlLetter=function(e){var t=e.pos;if(e.eat(99)){if(this.regexp_eatControlLetter(e))return!0;e.pos=t}return!1},ge.regexp_eatZero=function(e){return 48===e.current()&&!Ae(e.lookahead())&&(e.lastIntValue=0,e.advance(),!0)},ge.regexp_eatControlEscape=function(e){var t=e.current();return 116===t?(e.lastIntValue=9,e.advance(),!0):110===t?(e.lastIntValue=10,e.advance(),!0):118===t?(e.lastIntValue=11,e.advance(),!0):102===t?(e.lastIntValue=12,e.advance(),!0):114===t&&(e.lastIntValue=13,e.advance(),!0)},ge.regexp_eatControlLetter=function(e){var t=e.current();return!!Te(t)&&(e.lastIntValue=t%32,e.advance(),!0)},ge.regexp_eatRegExpUnicodeEscapeSequence=function(e){var t,n=e.pos;if(e.eat(117)){if(this.regexp_eatFixedHexDigits(e,4)){var r=e.lastIntValue;if(e.switchU&&r>=55296&&r<=56319){var i=e.pos;if(e.eat(92)&&e.eat(117)&&this.regexp_eatFixedHexDigits(e,4)){var s=e.lastIntValue;if(s>=56320&&s<=57343)return e.lastIntValue=1024*(r-55296)+(s-56320)+65536,!0}e.pos=i,e.lastIntValue=r}return!0}if(e.switchU&&e.eat(123)&&this.regexp_eatHexDigits(e)&&e.eat(125)&&((t=e.lastIntValue)>=0&&t<=1114111))return!0;e.switchU&&e.raise("Invalid unicode escape"),e.pos=n}return!1},ge.regexp_eatIdentityEscape=function(e){if(e.switchU)return!!this.regexp_eatSyntaxCharacter(e)||!!e.eat(47)&&(e.lastIntValue=47,!0);var t=e.current();return!(99===t||e.switchN&&107===t)&&(e.lastIntValue=t,e.advance(),!0)},ge.regexp_eatDecimalEscape=function(e){e.lastIntValue=0;var t=e.current();if(t>=49&&t<=57){do{e.lastIntValue=10*e.lastIntValue+(t-48),e.advance()}while((t=e.current())>=48&&t<=57);return!0}return!1},ge.regexp_eatCharacterClassEscape=function(e){var t=e.current();if(function(e){return 100===e||68===e||115===e||83===e||119===e||87===e}(t))return e.lastIntValue=-1,e.advance(),!0;if(e.switchU&&this.options.ecmaVersion>=9&&(80===t||112===t)){if(e.lastIntValue=-1,e.advance(),e.eat(123)&&this.regexp_eatUnicodePropertyValueExpression(e)&&e.eat(125))return!0;e.raise("Invalid property name")}return!1},ge.regexp_eatUnicodePropertyValueExpression=function(e){var t=e.pos;if(this.regexp_eatUnicodePropertyName(e)&&e.eat(61)){var n=e.lastStringValue;if(this.regexp_eatUnicodePropertyValue(e)){var r=e.lastStringValue;return this.regexp_validateUnicodePropertyNameAndValue(e,n,r),!0}}if(e.pos=t,this.regexp_eatLoneUnicodePropertyNameOrValue(e)){var i=e.lastStringValue;return this.regexp_validateUnicodePropertyNameOrValue(e,i),!0}return!1},ge.regexp_validateUnicodePropertyNameAndValue=function(e,t,n){D(e.unicodeProperties.nonBinary,t)||e.raise("Invalid property name"),e.unicodeProperties.nonBinary[t].test(n)||e.raise("Invalid property value")},ge.regexp_validateUnicodePropertyNameOrValue=function(e,t){e.unicodeProperties.binary.test(t)||e.raise("Invalid property name")},ge.regexp_eatUnicodePropertyName=function(e){var t=0;for(e.lastStringValue="";ve(t=e.current());)e.lastStringValue+=ye(t),e.advance();return""!==e.lastStringValue},ge.regexp_eatUnicodePropertyValue=function(e){var t=0;for(e.lastStringValue="";Se(t=e.current());)e.lastStringValue+=ye(t),e.advance();return""!==e.lastStringValue},ge.regexp_eatLoneUnicodePropertyNameOrValue=function(e){return this.regexp_eatUnicodePropertyValue(e)},ge.regexp_eatCharacterClass=function(e){if(e.eat(91)){if(e.eat(94),this.regexp_classRanges(e),e.eat(93))return!0;e.raise("Unterminated character class")}return!1},ge.regexp_classRanges=function(e){for(;this.regexp_eatClassAtom(e);){var t=e.lastIntValue;if(e.eat(45)&&this.regexp_eatClassAtom(e)){var n=e.lastIntValue;!e.switchU||-1!==t&&-1!==n||e.raise("Invalid character class"),-1!==t&&-1!==n&&t>n&&e.raise("Range out of order in character class")}}},ge.regexp_eatClassAtom=function(e){var t=e.pos;if(e.eat(92)){if(this.regexp_eatClassEscape(e))return!0;if(e.switchU){var n=e.current();(99===n||we(n))&&e.raise("Invalid class escape"),e.raise("Invalid escape")}e.pos=t}var r=e.current();return 93!==r&&(e.lastIntValue=r,e.advance(),!0)},ge.regexp_eatClassEscape=function(e){var t=e.pos;if(e.eat(98))return e.lastIntValue=8,!0;if(e.switchU&&e.eat(45))return e.lastIntValue=45,!0;if(!e.switchU&&e.eat(99)){if(this.regexp_eatClassControlLetter(e))return!0;e.pos=t}return this.regexp_eatCharacterClassEscape(e)||this.regexp_eatCharacterEscape(e)},ge.regexp_eatClassControlLetter=function(e){var t=e.current();return!(!Ae(t)&&95!==t)&&(e.lastIntValue=t%32,e.advance(),!0)},ge.regexp_eatHexEscapeSequence=function(e){var t=e.pos;if(e.eat(120)){if(this.regexp_eatFixedHexDigits(e,2))return!0;e.switchU&&e.raise("Invalid escape"),e.pos=t}return!1},ge.regexp_eatDecimalDigits=function(e){var t=e.pos,n=0;for(e.lastIntValue=0;Ae(n=e.current());)e.lastIntValue=10*e.lastIntValue+(n-48),e.advance();return e.pos!==t},ge.regexp_eatHexDigits=function(e){var t=e.pos,n=0;for(e.lastIntValue=0;_e(n=e.current());)e.lastIntValue=16*e.lastIntValue+Ee(n),e.advance();return e.pos!==t},ge.regexp_eatLegacyOctalEscapeSequence=function(e){if(this.regexp_eatOctalDigit(e)){var t=e.lastIntValue;if(this.regexp_eatOctalDigit(e)){var n=e.lastIntValue;t<=3&&this.regexp_eatOctalDigit(e)?e.lastIntValue=64*t+8*n+e.lastIntValue:e.lastIntValue=8*t+n}else e.lastIntValue=t;return!0}return!1},ge.regexp_eatOctalDigit=function(e){var t=e.current();return we(t)?(e.lastIntValue=t-48,e.advance(),!0):(e.lastIntValue=0,!1)},ge.regexp_eatFixedHexDigits=function(e,t){var n=e.pos;e.lastIntValue=0;for(var r=0;r>10),56320+(1023&e)))}Ie.next=function(e){!e&&this.type.keyword&&this.containsEsc&&this.raiseRecoverable(this.start,"Escape sequence in keyword "+this.type.keyword),this.options.onToken&&this.options.onToken(new ke(this)),this.lastTokEnd=this.end,this.lastTokStart=this.start,this.lastTokEndLoc=this.endLoc,this.lastTokStartLoc=this.startLoc,this.nextToken()},Ie.getToken=function(){return this.next(),new ke(this)},"undefined"!=typeof Symbol&&(Ie[Symbol.iterator]=function(){var e=this;return{next:function(){var t=e.getToken();return{done:t.type===T.eof,value:t}}}}),Ie.curContext=function(){return this.context[this.context.length-1]},Ie.nextToken=function(){var e=this.curContext();return e&&e.preserveSpace||this.skipSpace(),this.start=this.pos,this.options.locations&&(this.startLoc=this.curPosition()),this.pos>=this.input.length?this.finishToken(T.eof):e.override?e.override(this):void this.readToken(this.fullCharCodeAtPos())},Ie.readToken=function(e){return p(e,this.options.ecmaVersion>=6)||92===e?this.readWord():this.getTokenFromCode(e)},Ie.fullCharCodeAtPos=function(){var e=this.input.charCodeAt(this.pos);return e<=55295||e>=57344?e:(e<<10)+this.input.charCodeAt(this.pos+1)-56613888},Ie.skipBlockComment=function(){var e,t=this.options.onComment&&this.curPosition(),n=this.pos,r=this.input.indexOf("*/",this.pos+=2);if(-1===r&&this.raise(this.pos-2,"Unterminated comment"),this.pos=r+2,this.options.locations)for(S.lastIndex=n;(e=S.exec(this.input))&&e.index8&&e<14||e>=5760&&_.test(String.fromCharCode(e))))break e;++this.pos}}},Ie.finishToken=function(e,t){this.end=this.pos,this.options.locations&&(this.endLoc=this.curPosition());var n=this.type;this.type=e,this.value=t,this.updateContext(n)},Ie.readToken_dot=function(){var e=this.input.charCodeAt(this.pos+1);if(e>=48&&e<=57)return this.readNumber(!0);var t=this.input.charCodeAt(this.pos+2);return this.options.ecmaVersion>=6&&46===e&&46===t?(this.pos+=3,this.finishToken(T.ellipsis)):(++this.pos,this.finishToken(T.dot))},Ie.readToken_slash=function(){var e=this.input.charCodeAt(this.pos+1);return this.exprAllowed?(++this.pos,this.readRegexp()):61===e?this.finishOp(T.assign,2):this.finishOp(T.slash,1)},Ie.readToken_mult_modulo_exp=function(e){var t=this.input.charCodeAt(this.pos+1),n=1,r=42===e?T.star:T.modulo;return this.options.ecmaVersion>=7&&42===e&&42===t&&(++n,r=T.starstar,t=this.input.charCodeAt(this.pos+2)),61===t?this.finishOp(T.assign,n+1):this.finishOp(r,n)},Ie.readToken_pipe_amp=function(e){var t=this.input.charCodeAt(this.pos+1);return t===e?this.finishOp(124===e?T.logicalOR:T.logicalAND,2):61===t?this.finishOp(T.assign,2):this.finishOp(124===e?T.bitwiseOR:T.bitwiseAND,1)},Ie.readToken_caret=function(){return 61===this.input.charCodeAt(this.pos+1)?this.finishOp(T.assign,2):this.finishOp(T.bitwiseXOR,1)},Ie.readToken_plus_min=function(e){var t=this.input.charCodeAt(this.pos+1);return t===e?45!==t||this.inModule||62!==this.input.charCodeAt(this.pos+2)||0!==this.lastTokEnd&&!v.test(this.input.slice(this.lastTokEnd,this.pos))?this.finishOp(T.incDec,2):(this.skipLineComment(3),this.skipSpace(),this.nextToken()):61===t?this.finishOp(T.assign,2):this.finishOp(T.plusMin,1)},Ie.readToken_lt_gt=function(e){var t=this.input.charCodeAt(this.pos+1),n=1;return t===e?(n=62===e&&62===this.input.charCodeAt(this.pos+2)?3:2,61===this.input.charCodeAt(this.pos+n)?this.finishOp(T.assign,n+1):this.finishOp(T.bitShift,n)):33!==t||60!==e||this.inModule||45!==this.input.charCodeAt(this.pos+2)||45!==this.input.charCodeAt(this.pos+3)?(61===t&&(n=2),this.finishOp(T.relational,n)):(this.skipLineComment(4),this.skipSpace(),this.nextToken())},Ie.readToken_eq_excl=function(e){var t=this.input.charCodeAt(this.pos+1);return 61===t?this.finishOp(T.equality,61===this.input.charCodeAt(this.pos+2)?3:2):61===e&&62===t&&this.options.ecmaVersion>=6?(this.pos+=2,this.finishToken(T.arrow)):this.finishOp(61===e?T.eq:T.prefix,1)},Ie.getTokenFromCode=function(e){switch(e){case 46:return this.readToken_dot();case 40:return++this.pos,this.finishToken(T.parenL);case 41:return++this.pos,this.finishToken(T.parenR);case 59:return++this.pos,this.finishToken(T.semi);case 44:return++this.pos,this.finishToken(T.comma);case 91:return++this.pos,this.finishToken(T.bracketL);case 93:return++this.pos,this.finishToken(T.bracketR);case 123:return++this.pos,this.finishToken(T.braceL);case 125:return++this.pos,this.finishToken(T.braceR);case 58:return++this.pos,this.finishToken(T.colon);case 63:return++this.pos,this.finishToken(T.question);case 96:if(this.options.ecmaVersion<6)break;return++this.pos,this.finishToken(T.backQuote);case 48:var t=this.input.charCodeAt(this.pos+1);if(120===t||88===t)return this.readRadixNumber(16);if(this.options.ecmaVersion>=6){if(111===t||79===t)return this.readRadixNumber(8);if(98===t||66===t)return this.readRadixNumber(2)}case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return this.readNumber(!1);case 34:case 39:return this.readString(e);case 47:return this.readToken_slash();case 37:case 42:return this.readToken_mult_modulo_exp(e);case 124:case 38:return this.readToken_pipe_amp(e);case 94:return this.readToken_caret();case 43:case 45:return this.readToken_plus_min(e);case 60:case 62:return this.readToken_lt_gt(e);case 61:case 33:return this.readToken_eq_excl(e);case 126:return this.finishOp(T.prefix,1)}this.raise(this.pos,"Unexpected character '"+De(e)+"'")},Ie.finishOp=function(e,t){var n=this.input.slice(this.pos,this.pos+t);return this.pos+=t,this.finishToken(e,n)},Ie.readRegexp=function(){for(var e,t,n=this.pos;;){this.pos>=this.input.length&&this.raise(n,"Unterminated regular expression");var r=this.input.charAt(this.pos);if(v.test(r)&&this.raise(n,"Unterminated regular expression"),e)e=!1;else{if("["===r)t=!0;else if("]"===r&&t)t=!1;else if("/"===r&&!t)break;e="\\"===r}++this.pos}var i=this.input.slice(n,this.pos);++this.pos;var s=this.pos,a=this.readWord1();this.containsEsc&&this.unexpected(s);var o=this.regexpState||(this.regexpState=new xe(this));o.reset(n,i,a),this.validateRegExpFlags(o),this.validateRegExpPattern(o);var u=null;try{u=new RegExp(i,a)}catch(e){}return this.finishToken(T.regexp,{pattern:i,flags:a,value:u})},Ie.readInt=function(e,t){for(var n=this.pos,r=0,i=0,s=null==t?1/0:t;i=97?a-97+10:a>=65?a-65+10:a>=48&&a<=57?a-48:1/0)>=e)break;++this.pos,r=r*e+o}return this.pos===n||null!=t&&this.pos-n!==t?null:r},Ie.readRadixNumber=function(e){var t=this.pos;this.pos+=2;var n=this.readInt(e);return null==n&&this.raise(this.start+2,"Expected number in radix "+e),this.options.ecmaVersion>=11&&110===this.input.charCodeAt(this.pos)?(n="undefined"!=typeof BigInt?BigInt(this.input.slice(t,this.pos)):null,++this.pos):p(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(T.num,n)},Ie.readNumber=function(e){var t=this.pos;e||null!==this.readInt(10)||this.raise(t,"Invalid number");var n=this.pos-t>=2&&48===this.input.charCodeAt(t);n&&this.strict&&this.raise(t,"Invalid number");var r=this.input.charCodeAt(this.pos);if(!n&&!e&&this.options.ecmaVersion>=11&&110===r){var i=this.input.slice(t,this.pos),s="undefined"!=typeof BigInt?BigInt(i):null;return++this.pos,p(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number"),this.finishToken(T.num,s)}n&&/[89]/.test(this.input.slice(t,this.pos))&&(n=!1),46!==r||n||(++this.pos,this.readInt(10),r=this.input.charCodeAt(this.pos)),69!==r&&101!==r||n||(43!==(r=this.input.charCodeAt(++this.pos))&&45!==r||++this.pos,null===this.readInt(10)&&this.raise(t,"Invalid number")),p(this.fullCharCodeAtPos())&&this.raise(this.pos,"Identifier directly after number");var a=this.input.slice(t,this.pos),o=n?parseInt(a,8):parseFloat(a);return this.finishToken(T.num,o)},Ie.readCodePoint=function(){var e;if(123===this.input.charCodeAt(this.pos)){this.options.ecmaVersion<6&&this.unexpected();var t=++this.pos;e=this.readHexChar(this.input.indexOf("}",this.pos)-this.pos),++this.pos,e>1114111&&this.invalidStringToken(t,"Code point out of bounds")}else e=this.readHexChar(4);return e},Ie.readString=function(e){for(var t="",n=++this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated string constant");var r=this.input.charCodeAt(this.pos);if(r===e)break;92===r?(t+=this.input.slice(n,this.pos),t+=this.readEscapedChar(!1),n=this.pos):(A(r,this.options.ecmaVersion>=10)&&this.raise(this.start,"Unterminated string constant"),++this.pos)}return t+=this.input.slice(n,this.pos++),this.finishToken(T.string,t)};var Ce={};Ie.tryReadTemplateToken=function(){this.inTemplateElement=!0;try{this.readTmplToken()}catch(e){if(e!==Ce)throw e;this.readInvalidTemplateToken()}this.inTemplateElement=!1},Ie.invalidStringToken=function(e,t){if(this.inTemplateElement&&this.options.ecmaVersion>=9)throw Ce;this.raise(e,t)},Ie.readTmplToken=function(){for(var e="",t=this.pos;;){this.pos>=this.input.length&&this.raise(this.start,"Unterminated template");var n=this.input.charCodeAt(this.pos);if(96===n||36===n&&123===this.input.charCodeAt(this.pos+1))return this.pos!==this.start||this.type!==T.template&&this.type!==T.invalidTemplate?(e+=this.input.slice(t,this.pos),this.finishToken(T.template,e)):36===n?(this.pos+=2,this.finishToken(T.dollarBraceL)):(++this.pos,this.finishToken(T.backQuote));if(92===n)e+=this.input.slice(t,this.pos),e+=this.readEscapedChar(!0),t=this.pos;else if(A(n)){switch(e+=this.input.slice(t,this.pos),++this.pos,n){case 13:10===this.input.charCodeAt(this.pos)&&++this.pos;case 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r=`${n}Variable${m.length}`;return l.push(`${y}const ${r} = ${t};`),m.push(e),r}function E(e,t){const r=`${n}Variable${m.length}`,i=`imageDatum${x}`;l.push(`${y}let ${i} = ["P3\\n# ${u}.ppm\\n", ${e}, ' ', ${t}, "\\n255\\n"].join("");`),l.push(`${y}for (let i = 0; i < ${i}.length; i += 4) {`),l.push(`${y} ${i} += ${r}[i] + ' ' + ${r}[i + 1] + ' ' + ${r}[i + 2] + ' ';`),l.push(`${y}}`),l.push(`${y}if (typeof require !== "undefined") {`),l.push(`${y} require('fs').writeFileSync('./${u}.ppm', ${i});`),l.push(`${y}}`),x++}function w(e){l.push(`${y}// ${e}`)}function k(){l.push(`${y}(() => {\n${y}const error = ${n}.getError();\n${y}if (error !== ${n}.NONE) {\n${y} const names = Object.getOwnPropertyNames(gl);\n${y} for (let i = 0; i < names.length; i++) {\n${y} const name = names[i];\n${y} if (${n}[name] === error) {\n${y} throw new Error('${n} threw ' + name);\n${y} }\n${y} }\n${y}}\n${y}})();`)}function 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getSignature(e,t){return"cpu"+(t.length>0?":"+t.join(","):"")}constructor(e,t){super(e,t),this.mergeSettings(e.settings||t),this._imageData=null,this._colorData=null,this._kernelString=null,this._prependedString=[],this.thread={x:0,y:0,z:0},this.translatedSources=null}initCanvas(){return"undefined"!=typeof document?document.createElement("canvas"):"undefined"!=typeof OffscreenCanvas?new OffscreenCanvas(0,0):void 0}initContext(){return this.canvas?this.canvas.getContext("2d"):null}initPlugins(e){return[]}validateSettings(e){if(!this.output||0===this.output.length){if(1!==e.length)throw new Error("Auto output only supported for kernels with only one input");const t=a.getVariableType(e[0],this.strictIntegers);if("Array"===t)this.output=a.getDimensions(t);else{if("NumberTexture"!==t&&"ArrayTexture(4)"!==t)throw new Error("Auto output not supported for input type: "+t);this.output=e[0].output}}if(this.graphical&&2!==this.output.length)throw new Error("Output must have 2 dimensions on graphical mode");this.checkOutput()}translateSource(){if(this.leadingReturnStatement=this.output.length>1?"resultX[x] = ":"result[x] = ",this.subKernels){const e=[];for(let t=0;t1?`resultX_${n}[x] = subKernelResult_${n};\n`:`result_${n}[x] = subKernelResult_${n};\n`)}this.followingReturnStatement=e.join("")}const e=i.fromKernel(this,s);this.translatedSources=e.getPrototypes("kernel"),this.graphical||this.returnType||(this.returnType=e.getKernelResultType())}build(){if(this.built)return;if(this.setupConstants(),this.setupArguments(arguments),this.validateSettings(arguments),this.translateSource(),this.graphical){const{canvas:e,output:t}=this;if(!e)throw new Error("no canvas available for using graphical output");const n=t[0],r=t[1]||1;e.width=n,e.height=r,this._imageData=this.context.createImageData(n,r),this._colorData=new Uint8ClampedArray(n*r*4)}const e=this.getKernelString();this.kernelString=e,this.debug&&(console.log("Function output:"),console.log(e));try{this.run=new Function([],e).bind(this)()}catch(e){console.error("An error occurred compiling the javascript: ",e)}this.buildSignature(arguments),this.built=!0}color(e,t,n,r){void 0===r&&(r=1),e=Math.floor(255*e),t=Math.floor(255*t),n=Math.floor(255*n),r=Math.floor(255*r);const i=this.output[0],s=this.output[1],a=this.thread.x+(s-this.thread.y-1)*i;this._colorData[4*a+0]=e,this._colorData[4*a+1]=t,this._colorData[4*a+2]=n,this._colorData[4*a+3]=r}getKernelString(){if(null!==this._kernelString)return this._kernelString;let e=null,{translatedSources:t}=this;return t.length>1?t=t.filter((t=>/^function/.test(t)?t:(e=t,!1))):e=t.shift(),this._kernelString=` const LOOP_MAX = ${this._getLoopMaxString()};\n ${this.injectedNative||""}\n const _this = this;\n ${this._resultKernelHeader()}\n ${this._processConstants()}\n return (${this.argumentNames.map((e=>"user_"+e)).join(", ")}) => {\n ${this._prependedString.join("")}\n ${this._earlyThrows()}\n ${this._processArguments()}\n ${this.graphical?this._graphicalKernelBody(e):this._resultKernelBody(e)}\n ${t.length>0?t.join("\n"):""}\n };`}toString(){return o(this)}_getLoopMaxString(){return this.loopMaxIterations?` ${parseInt(this.loopMaxIterations)};`:" 1000;"}_processConstants(){if(!this.constants)return"";const e=[];for(let t in this.constants){switch(this.constantTypes[t]){case"HTMLCanvas":case"OffscreenCanvas":case"HTMLImage":case"ImageBitmap":case"ImageData":case"HTMLVideo":e.push(` const constants_${t} = this._mediaTo2DArray(this.constants.${t});\n`);break;case"HTMLImageArray":e.push(` const constants_${t} = this._imageTo3DArray(this.constants.${t});\n`);break;case"Input":e.push(` const constants_${t} = this.constants.${t}.value;\n`);break;default:e.push(` const constants_${t} = this.constants.${t};\n`)}}return e.join("")}_earlyThrows(){if(this.graphical)return"";if(this.immutable)return"";if(!this.pipeline)return"";const e=[];for(let t=0;t`user_${r} === result_${e.name}`)).join(" || ");t.push(`user_${r} 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t=this._getKernelResultTypeConstructorString();return` const outputX = _this.output[0];\n const outputY = _this.output[1];\n const result = new Array(outputY);\n ${this._mapSubKernels((e=>`const result_${e.name} = new Array(outputY);\n`)).join(" ")}\n ${this._mapSubKernels((e=>`let subKernelResult_${e.name};\n`)).join(" ")}\n for (let y = 0; y < outputY; y++) {\n this.thread.z = 0;\n this.thread.y = y;\n const resultX = result[y] = new ${t}(outputX);\n ${this._mapSubKernels((e=>`const resultX_${e.name} = result_${e.name}[y] = new ${t}(outputX);\n`)).join("")}\n for (let x = 0; x < outputX; x++) {\n this.thread.x = x;\n ${e}\n }\n }`}_mutableKernel2DResults(){const e=this._getKernelResultTypeConstructorString();return` const outputX = _this.output[0];\n const outputY = _this.output[1];\n const result = new Array(outputY);\n ${this._mapSubKernels((e=>`const result_${e.name} = new Array(outputY);\n`)).join(" ")}\n ${this._mapSubKernels((e=>`let subKernelResult_${e.name};\n`)).join(" ")}\n for (let y = 0; y < outputY; y++) {\n const resultX = result[y] = new ${e}(outputX);\n ${this._mapSubKernels((t=>`const resultX_${t.name} = result_${t.name}[y] = new ${e}(outputX);\n`)).join("")}\n }`}_resultMutableKernel2DLoop(e){const t=this._getKernelResultTypeConstructorString();return` const outputX = _this.output[0];\n const outputY = _this.output[1];\n for (let y = 0; y < outputY; y++) {\n this.thread.z = 0;\n this.thread.y = y;\n const resultX = result[y];\n ${this._mapSubKernels((e=>`const resultX_${e.name} = result_${e.name}[y] = new ${t}(outputX);\n`)).join("")}\n for (let x = 0; x < outputX; x++) {\n this.thread.x = x;\n ${e}\n }\n }`}_graphicalKernel2DLoop(e){return` const outputX = _this.output[0];\n const outputY = _this.output[1];\n for (let y = 0; y < outputY; y++) {\n this.thread.z = 0;\n this.thread.y = y;\n for (let x = 0; x < outputX; x++) {\n this.thread.x = x;\n ${e}\n }\n }`}_resultImmutableKernel3DLoop(e){const t=this._getKernelResultTypeConstructorString();return` const outputX = _this.output[0];\n const outputY = _this.output[1];\n const outputZ = _this.output[2];\n const result = new Array(outputZ);\n ${this._mapSubKernels((e=>`const result_${e.name} = new Array(outputZ);\n`)).join(" ")}\n ${this._mapSubKernels((e=>`let subKernelResult_${e.name};\n`)).join(" ")}\n for (let z = 0; z < outputZ; z++) {\n this.thread.z = z;\n const resultY = result[z] = new Array(outputY);\n ${this._mapSubKernels((e=>`const resultY_${e.name} = result_${e.name}[z] = new Array(outputY);\n`)).join(" ")}\n for (let y = 0; y < outputY; y++) {\n this.thread.y = y;\n const resultX = resultY[y] = new ${t}(outputX);\n ${this._mapSubKernels((e=>`const resultX_${e.name} = resultY_${e.name}[y] = new ${t}(outputX);\n`)).join(" ")}\n for (let x = 0; x < outputX; x++) {\n this.thread.x = x;\n ${e}\n }\n }\n }`}_mutableKernel3DResults(){const e=this._getKernelResultTypeConstructorString();return` const outputX = _this.output[0];\n const outputY = _this.output[1];\n const outputZ = _this.output[2];\n const result = new Array(outputZ);\n ${this._mapSubKernels((e=>`const result_${e.name} = new Array(outputZ);\n`)).join(" ")}\n ${this._mapSubKernels((e=>`let subKernelResult_${e.name};\n`)).join(" ")}\n for (let z = 0; z < outputZ; z++) {\n const resultY = result[z] = new Array(outputY);\n ${this._mapSubKernels((e=>`const resultY_${e.name} = result_${e.name}[z] = new Array(outputY);\n`)).join(" ")}\n for (let y = 0; y < outputY; y++) {\n const resultX = resultY[y] = new ${e}(outputX);\n ${this._mapSubKernels((t=>`const resultX_${t.name} = resultY_${t.name}[y] = new ${e}(outputX);\n`)).join(" ")}\n }\n }`}_resultMutableKernel3DLoop(e){return` const outputX = _this.output[0];\n const outputY = _this.output[1];\n const outputZ = _this.output[2];\n for (let z = 0; z < outputZ; z++) {\n this.thread.z = z;\n const resultY = result[z];\n for (let y = 0; y < outputY; y++) {\n this.thread.y = y;\n const resultX = resultY[y];\n for (let x = 0; x < outputX; x++) {\n this.thread.x = x;\n ${e}\n }\n }\n }`}_kernelOutput(){return this.subKernels?`\n return {\n result: result,\n ${this.subKernels.map((e=>`${e.property}: result_${e.name}`)).join(",\n ")}\n };`:"\n return result;"}_mapSubKernels(e){return null===this.subKernels?[""]:this.subKernels.map(e)}destroy(e){e&&delete this.canvas}static destroyContext(e){}toJSON(){const e=super.toJSON();return e.functionNodes=i.fromKernel(this,s).toJSON(),e}setOutput(e){super.setOutput(e);const[t,n]=this.output;this.graphical&&(this._imageData=this.context.createImageData(t,n),this._colorData=new Uint8ClampedArray(t*n*4))}prependString(e){if(this._kernelString)throw new Error("Kernel already built");this._prependedString.push(e)}hasPrependString(e){return this._prependedString.indexOf(e)>-1}}}},{"../../utils":114,"../function-builder":9,"../kernel":36,"./function-node":6,"./kernel-string":7}],9:[function(e,t,n){class r{static fromKernel(e,t,n){const{kernelArguments:i,kernelConstants:s,argumentNames:a,argumentSizes:o,argumentBitRatios:u,constants:l,constantBitRatios:h,debug:c,loopMaxIterations:p,nativeFunctions:d,output:m,optimizeFloatMemory:f,precision:g,plugins:x,source:y,subKernels:b,functions:T,leadingReturnStatement:v,followingReturnStatement:S,dynamicArguments:A,dynamicOutput:_}=e,E=new Array(i.length),w={};for(let e=0;eG.needsArgumentType(e,t),I=(e,t,n)=>{G.assignArgumentType(e,t,n)},D=(e,t,n)=>G.lookupReturnType(e,t,n),C=e=>G.lookupFunctionArgumentTypes(e),$=(e,t)=>G.lookupFunctionArgumentName(e,t),L=(e,t)=>G.lookupFunctionArgumentBitRatio(e,t),R=(e,t,n,r)=>{G.assignArgumentType(e,t,n,r)},F=(e,t,n,r)=>{G.assignArgumentBitRatio(e,t,n,r)},N=(e,t,n)=>{G.trackFunctionCall(e,t,n)},V=(e,n)=>{const r=[];for(let t=0;tnew t(e.source,{returnType:e.returnType,argumentTypes:e.argumentTypes,output:m,plugins:x,constants:l,constantTypes:w,constantBitRatios:h,optimizeFloatMemory:f,precision:g,lookupReturnType:D,lookupFunctionArgumentTypes:C,lookupFunctionArgumentName:$,lookupFunctionArgumentBitRatio:L,needsArgumentType:k,assignArgumentType:I,triggerImplyArgumentType:R,triggerImplyArgumentBitRatio:F,onFunctionCall:N,onNestedFunction:V}))));let K=null;b&&(K=b.map((e=>{const{name:n,source:r}=e;return new t(r,Object.assign({},M,{name:n,isSubKernel:!0,isRootKernel:!1}))})));const G=new r({kernel:e,rootNode:z,functionNodes:P,nativeFunctions:d,subKernelNodes:K});return G}constructor(e){if(e=e||{},this.kernel=e.kernel,this.rootNode=e.rootNode,this.functionNodes=e.functionNodes||[],this.subKernelNodes=e.subKernelNodes||[],this.nativeFunctions=e.nativeFunctions||[],this.functionMap={},this.nativeFunctionNames=[],this.lookupChain=[],this.functionNodeDependencies={},this.functionCalls={},this.rootNode&&(this.functionMap.kernel=this.rootNode),this.functionNodes)for(let e=0;e-1){const n=t.indexOf(e);if(-1===n)t.push(e);else{const e=t.splice(n,1)[0];t.push(e)}return t}const n=this.functionMap[e];if(n){const r=t.indexOf(e);if(-1===r){t.push(e),n.toString();for(let e=0;e-1){t.push(this.nativeFunctions[i].source);continue}const s=this.functionMap[r];s&&t.push(s.toString())}return t}toJSON(){return this.traceFunctionCalls(this.rootNode.name).reverse().map((e=>{const t=this.nativeFunctions.indexOf(e);if(t>-1)return{name:e,source:this.nativeFunctions[t].source};if(this.functionMap[e])return this.functionMap[e].toJSON();throw new Error(`function ${e} not found`)}))}fromJSON(e,t){this.functionMap={};for(let n=0;n0){const i=t.arguments;for(let t=0;t0&&this.argumentTypes.length!==this.argumentNames.length)throw new Error(`argumentTypes count of ${this.argumentTypes.length} exceeds ${this.argumentNames.length}`);if(this.output.length<1)throw new Error("this.output is not big enough")}isIdentifierConstant(e){return!!this.constants&&this.constants.hasOwnProperty(e)}isInput(e){return"Input"===this.argumentTypes[this.argumentNames.indexOf(e)]}pushState(e){this.states.push(e)}popState(e){if(this.state!==e)throw new Error(`Cannot popState ${e} when in ${this.state}`);this.states.pop()}isState(e){return this.state===e}get state(){return this.states[this.states.length-1]}astMemberExpressionUnroll(e){if("Identifier"===e.type)return e.name;if("ThisExpression"===e.type)return"this";if("MemberExpression"===e.type&&e.object&&e.property)return e.object.hasOwnProperty("name")&&"Math"!==e.object.name?this.astMemberExpressionUnroll(e.property):this.astMemberExpressionUnroll(e.object)+"."+this.astMemberExpressionUnroll(e.property);if(e.hasOwnProperty("expressions")){const t=e.expressions[0];if("Literal"===t.type&&0===t.value&&2===e.expressions.length)return this.astMemberExpressionUnroll(e.expressions[1])}throw this.astErrorOutput("Unknown astMemberExpressionUnroll",e)}getJsAST(e){if(this.ast)return this.ast;if("object"==typeof this.source)return this.traceFunctionAST(this.source),this.ast=this.source;if(null===(e=e||r))throw new Error("Missing JS to AST parser");const t=Object.freeze(e.parse(`const parser_${this.name} = ${this.source};`,{locations:!0})),n=t.body[0].declarations[0].init;if(this.traceFunctionAST(n),!t)throw new Error("Failed to parse JS code");return this.ast=n}traceFunctionAST(e){const{contexts:t,declarations:n,functions:r,identifiers:i,functionCalls:a}=new s(e);this.contexts=t,this.identifiers=i,this.functionCalls=a,this.functions=r;for(let e=0;e":case"<":return"Boolean";case"&":case"|":case"^":case"<<":case">>":case">>>":return"Integer"}const n=this.getType(e.left);if(this.isState("skip-literal-correction"))return n;if("LiteralInteger"===n){const t=this.getType(e.right);return"LiteralInteger"===t?e.left.value%1==0?"Integer":"Float":t}return a[n]||n;case"UpdateExpression":case"ReturnStatement":return this.getType(e.argument);case"UnaryExpression":return"~"===e.operator?"Integer":this.getType(e.argument);case"VariableDeclaration":{const t=e.declarations;let n;for(let e=0;e-1}isAstMathFunction(e){return"CallExpression"===e.type&&e.callee&&"MemberExpression"===e.callee.type&&e.callee.object&&"Identifier"===e.callee.object.type&&"Math"===e.callee.object.name&&e.callee.property&&"Identifier"===e.callee.property.type&&["abs","acos","acosh","asin","asinh","atan","atan2","atanh","cbrt","ceil","clz32","cos","cosh","expm1","exp","floor","fround","imul","log","log2","log10","log1p","max","min","pow","random","round","sign","sin","sinh","sqrt","tan","tanh","trunc"].indexOf(e.callee.property.name)>-1}isAstVariable(e){return"Identifier"===e.type||"MemberExpression"===e.type}isSafe(e){return this.isSafeDependencies(this.getDependencies(e))}isSafeDependencies(e){return!e||!e.every||e.every((e=>e.isSafe))}getDependencies(e,t,n){if(t||(t=[]),!e)return null;if(Array.isArray(e)){for(let r=0;r-1/0&&e.value<1/0&&!isNaN(e.value))});break;case"VariableDeclarator":return this.getDependencies(e.init,t,n);case"Identifier":const r=this.getDeclaration(e);if(r)t.push({name:e.name,origin:"declaration",isSafe:!n&&this.isSafeDependencies(r.dependencies)});else if(this.argumentNames.indexOf(e.name)>-1)t.push({name:e.name,origin:"argument",isSafe:!1});else if(this.strictTypingChecking)throw new Error(`Cannot find identifier origin "${e.name}"`);break;case"FunctionDeclaration":return this.getDependencies(e.body.body[e.body.body.length-1],t,n);case"ReturnStatement":return this.getDependencies(e.argument,t);case"BinaryExpression":case"LogicalExpression":return n="/"===e.operator||"*"===e.operator,this.getDependencies(e.left,t,n),this.getDependencies(e.right,t,n),t;case"UnaryExpression":case"UpdateExpression":return this.getDependencies(e.argument,t,n);case"VariableDeclaration":return this.getDependencies(e.declarations,t,n);case"ArrayExpression":return t.push({origin:"declaration",isSafe:!0}),t;case"CallExpression":return t.push({origin:"function",isSafe:!0}),t;case"MemberExpression":const i=this.getMemberExpressionDetails(e);switch(i.signature){case"value[]":this.getDependencies(e.object,t,n);break;case"value[][]":this.getDependencies(e.object.object,t,n);break;case"value[][][]":this.getDependencies(e.object.object.object,t,n);break;case"this.output.value":this.dynamicOutput&&t.push({name:i.name,origin:"output",isSafe:!1})}if(i)return i.property&&this.getDependencies(i.property,t,n),i.xProperty&&this.getDependencies(i.xProperty,t,n),i.yProperty&&this.getDependencies(i.yProperty,t,n),i.zProperty&&this.getDependencies(i.zProperty,t,n),t;case"SequenceExpression":return this.getDependencies(e.expressions,t,n);default:throw this.astErrorOutput(`Unhandled type ${e.type} in getDependencies`,e)}return t}getVariableSignature(e,t){if(!this.isAstVariable(e))throw new Error(`ast of type "${e.type}" is not a variable signature`);if("Identifier"===e.type)return"value";const n=[];for(;e;)e.computed?n.push("[]"):"ThisExpression"===e.type?n.unshift("this"):e.property&&e.property.name?"x"===e.property.name||"y"===e.property.name||"z"===e.property.name?n.unshift(t?"."+e.property.name:".value"):"constants"===e.property.name||"thread"===e.property.name||"output"===e.property.name?n.unshift("."+e.property.name):n.unshift(t?"."+e.property.name:".value"):e.name?n.unshift(t?e.name:"value"):e.callee&&e.callee.name?n.unshift(t?e.callee.name+"()":"fn()"):e.elements?n.unshift("[]"):n.unshift("unknown"),e=e.object;const r=n.join("");if(t)return r;return["value","value[]","value[][]","value[][][]","value[][][][]","value.value","value.thread.value","this.thread.value","this.output.value","this.constants.value","this.constants.value[]","this.constants.value[][]","this.constants.value[][][]","this.constants.value[][][][]","fn()[]","fn()[][]","fn()[][][]","[][]"].indexOf(r)>-1?r:null}build(){return this.toString().length>0}astGeneric(e,t){if(null===e)throw this.astErrorOutput("NULL ast",e);if(Array.isArray(e)){for(let n=0;n0?r[r.length-1]:0;return new Error(`${e} on line ${r.length}, position ${s.length}:\n ${n}`)}astDebuggerStatement(e,t){return t}astConditionalExpression(e,t){if("ConditionalExpression"!==e.type)throw this.astErrorOutput("Not a conditional expression",e);return t.push("("),this.astGeneric(e.test,t),t.push("?"),this.astGeneric(e.consequent,t),t.push(":"),this.astGeneric(e.alternate,t),t.push(")"),t}astFunction(e,t){throw new Error(`"astFunction" not defined on ${this.constructor.name}`)}astFunctionDeclaration(e,t){return this.isChildFunction(e)?t:this.astFunction(e,t)}astFunctionExpression(e,t){return this.isChildFunction(e)?t:this.astFunction(e,t)}isChildFunction(e){for(let t=0;t1?t.push("(",r.join(","),")"):t.push(r[0]),t}astUnaryExpression(e,t){return this.checkAndUpconvertBitwiseUnary(e,t)||(e.prefix?(t.push(e.operator),this.astGeneric(e.argument,t)):(this.astGeneric(e.argument,t),t.push(e.operator))),t}checkAndUpconvertBitwiseUnary(e,t){}astUpdateExpression(e,t){return e.prefix?(t.push(e.operator),this.astGeneric(e.argument,t)):(this.astGeneric(e.argument,t),t.push(e.operator)),t}astLogicalExpression(e,t){return t.push("("),this.astGeneric(e.left,t),t.push(e.operator),this.astGeneric(e.right,t),t.push(")"),t}astMemberExpression(e,t){return t}astCallExpression(e,t){return t}astArrayExpression(e,t){return t}getMemberExpressionDetails(e){if("MemberExpression"!==e.type)throw this.astErrorOutput(`Expression ${e.type} not a MemberExpression`,e);let t=null,n=null;const r=this.getVariableSignature(e);switch(r){case"value":return null;case"value.thread.value":case"this.thread.value":case"this.output.value":return{signature:r,type:"Integer",name:e.property.name};case"value[]":if("string"!=typeof e.object.name)throw this.astErrorOutput("Unexpected expression",e);return t=e.object.name,{name:t,origin:"user",signature:r,type:this.getVariableType(e.object),xProperty:e.property};case"value[][]":if("string"!=typeof e.object.object.name)throw this.astErrorOutput("Unexpected expression",e);return t=e.object.object.name,{name:t,origin:"user",signature:r,type:this.getVariableType(e.object.object),yProperty:e.object.property,xProperty:e.property};case"value[][][]":if("string"!=typeof e.object.object.object.name)throw this.astErrorOutput("Unexpected expression",e);return t=e.object.object.object.name,{name:t,origin:"user",signature:r,type:this.getVariableType(e.object.object.object),zProperty:e.object.object.property,yProperty:e.object.property,xProperty:e.property};case"value[][][][]":if("string"!=typeof e.object.object.object.object.name)throw this.astErrorOutput("Unexpected expression",e);return t=e.object.object.object.object.name,{name:t,origin:"user",signature:r,type:this.getVariableType(e.object.object.object.object),zProperty:e.object.object.property,yProperty:e.object.property,xProperty:e.property};case"value.value":if("string"!=typeof e.property.name)throw this.astErrorOutput("Unexpected expression",e);if(this.isAstMathVariable(e))return t=e.property.name,{name:t,origin:"Math",type:"Number",signature:r};switch(e.property.name){case"r":case"g":case"b":case"a":return t=e.object.name,{name:t,property:e.property.name,origin:"user",signature:r,type:"Number"};default:throw this.astErrorOutput("Unexpected expression",e)}case"this.constants.value":if("string"!=typeof e.property.name)throw this.astErrorOutput("Unexpected expression",e);if(t=e.property.name,n=this.getConstantType(t),!n)throw this.astErrorOutput("Constant has no type",e);return{name:t,type:n,origin:"constants",signature:r};case"this.constants.value[]":if("string"!=typeof e.object.property.name)throw this.astErrorOutput("Unexpected expression",e);if(t=e.object.property.name,n=this.getConstantType(t),!n)throw this.astErrorOutput("Constant has no type",e);return{name:t,type:n,origin:"constants",signature:r,xProperty:e.property};case"this.constants.value[][]":if("string"!=typeof e.object.object.property.name)throw this.astErrorOutput("Unexpected expression",e);if(t=e.object.object.property.name,n=this.getConstantType(t),!n)throw this.astErrorOutput("Constant has no type",e);return{name:t,type:n,origin:"constants",signature:r,yProperty:e.object.property,xProperty:e.property};case"this.constants.value[][][]":if("string"!=typeof e.object.object.object.property.name)throw this.astErrorOutput("Unexpected expression",e);if(t=e.object.object.object.property.name,n=this.getConstantType(t),!n)throw this.astErrorOutput("Constant has no type",e);return{name:t,type:n,origin:"constants",signature:r,zProperty:e.object.object.property,yProperty:e.object.property,xProperty:e.property};case"fn()[]":case"fn()[][]":case"[][]":return{signature:r,property:e.property};default:throw this.astErrorOutput("Unexpected expression",e)}}findIdentifierOrigin(e){const t=[this.ast];for(;t.length>0;){const n=t[0];if("VariableDeclarator"===n.type&&n.id&&n.id.name&&n.id.name===e.name)return n;if(t.shift(),n.argument)t.push(n.argument);else if(n.body)t.push(n.body);else if(n.declarations)t.push(n.declarations);else if(Array.isArray(n))for(let e=0;e0;){const e=t.pop();if("ReturnStatement"===e.type)return e;if("FunctionDeclaration"!==e.type)if(e.argument)t.push(e.argument);else if(e.body)t.push(e.body);else if(e.declarations)t.push(e.declarations);else if(Array.isArray(e))for(let n=0;n0?e[e.length-1]:null}const s="trackIdentifiers",a="memberExpression",o="inForLoopInit";t.exports={FunctionTracer:class{constructor(e){this.runningContexts=[],this.functionContexts=[],this.contexts=[],this.functionCalls=[],this.declarations=[],this.identifiers=[],this.functions=[],this.returnStatements=[],this.trackedIdentifiers=null,this.states=[],this.newFunctionContext(),this.scan(e)}isState(e){return this.states[this.states.length-1]===e}hasState(e){return this.states.indexOf(e)>-1}pushState(e){this.states.push(e)}popState(e){if(!this.isState(e))throw new Error(`Cannot pop the non-active state "${e}"`);this.states.pop()}get currentFunctionContext(){return i(this.functionContexts)}get currentContext(){return i(this.runningContexts)}newFunctionContext(){const e={"@contextType":"function"};this.contexts.push(e),this.functionContexts.push(e)}newContext(e){const t=Object.assign({"@contextType":"const/let"},this.currentContext);this.contexts.push(t),this.runningContexts.push(t),e();const{currentFunctionContext:n}=this;for(const e in n)n.hasOwnProperty(e)&&!t.hasOwnProperty(e)&&(t[e]=n[e]);return this.runningContexts.pop(),t}useFunctionContext(e){const t=i(this.functionContexts);this.runningContexts.push(t),e(),this.runningContexts.pop()}getIdentifiers(e){const t=this.trackedIdentifiers=[];return this.pushState(s),e(),this.trackedIdentifiers=null,this.popState(s),t}getDeclaration(e){const{currentContext:t,currentFunctionContext:n,runningContexts:r}=this,i=t[e]||n[e]||null;if(!i&&t===n&&r.length>0){const t=r[r.length-2];if(t[e])return t[e]}return i}scan(e){if(e)if(Array.isArray(e))for(let t=0;t{this.scan(e.body)}));break;case"BlockStatement":this.newContext((()=>{this.scan(e.body)}));break;case"AssignmentExpression":case"LogicalExpression":case"BinaryExpression":this.scan(e.left),this.scan(e.right);break;case"UpdateExpression":if("++"===e.operator){const t=this.getDeclaration(e.argument.name);t&&(t.suggestedType="Integer")}this.scan(e.argument);break;case"UnaryExpression":this.scan(e.argument);break;case"VariableDeclaration":"var"===e.kind?this.useFunctionContext((()=>{e.declarations=r.normalizeDeclarations(e),this.scan(e.declarations)})):(e.declarations=r.normalizeDeclarations(e),this.scan(e.declarations));break;case"VariableDeclarator":{const{currentContext:t}=this,n=this.hasState(o),r={ast:e,context:t,name:e.id.name,origin:"declaration",inForLoopInit:n,inForLoopTest:null,assignable:t===this.currentFunctionContext||!n&&!t.hasOwnProperty(e.id.name),suggestedType:null,valueType:null,dependencies:null,isSafe:null};t[e.id.name]||(t[e.id.name]=r),this.declarations.push(r),this.scan(e.id),this.scan(e.init);break}case"FunctionExpression":case"FunctionDeclaration":0===this.runningContexts.length?this.scan(e.body):this.functions.push(e);break;case"IfStatement":this.scan(e.test),this.scan(e.consequent),e.alternate&&this.scan(e.alternate);break;case"ForStatement":{let t;const n=this.newContext((()=>{this.pushState(o),this.scan(e.init),this.popState(o),t=this.getIdentifiers((()=>{this.scan(e.test)})),this.scan(e.update),this.newContext((()=>{this.scan(e.body)}))}));if(t)for(const e in n)"@contextType"!==e&&t.indexOf(e)>-1&&(n[e].inForLoopTest=!0);break}case"DoWhileStatement":case"WhileStatement":this.newContext((()=>{this.scan(e.body),this.scan(e.test)}));break;case"Identifier":this.isState(s)&&this.trackedIdentifiers.push(e.name),this.identifiers.push({context:this.currentContext,declaration:this.getDeclaration(e.name),ast:e});break;case"ReturnStatement":this.returnStatements.push(e),this.scan(e.argument);break;case"MemberExpression":this.pushState(a),this.scan(e.object),this.scan(e.property),this.popState(a);break;case"ExpressionStatement":this.scan(e.expression);break;case"SequenceExpression":this.scan(e.expressions);break;case"CallExpression":this.functionCalls.push({context:this.currentContext,ast:e}),this.scan(e.arguments);break;case"ArrayExpression":this.scan(e.elements);break;case"ConditionalExpression":this.scan(e.test),this.scan(e.alternate),this.scan(e.consequent);break;case"SwitchStatement":this.scan(e.discriminant),this.scan(e.cases);break;case"SwitchCase":this.scan(e.test),this.scan(e.consequent);break;case"ThisExpression":case"Literal":case"DebuggerStatement":case"EmptyStatement":case"BreakStatement":case"ContinueStatement":break;default:throw new Error(`unhandled type "${e.type}"`)}}}}},{"../utils":114}],12:[function(e,t,n){const{glWiretap:r}=e("gl-wiretap"),{utils:i}=e("../../utils");function s(e){return e.toString().replace("=>","").replace(/^function /,"").replace(/utils[.]/g,"/*utils.*/")}function a(e,t){const n="single"===t.precision?e:`new Float32Array(${e}.buffer)`;return t.output[2]?`renderOutput(${n}, ${t.output[0]}, ${t.output[1]}, ${t.output[2]})`:t.output[1]?`renderOutput(${n}, ${t.output[0]}, ${t.output[1]})`:`renderOutput(${n}, ${t.output[0]})`}function o(e,t,n){const r=e.toArray.toString(),s=!/^function/.test(r);return`() => {\n function framebuffer() { return ${n}; };\n ${i.flattenFunctionToString(`${s?"function ":""}${r}`,{findDependency:(t,n)=>{if("utils"===t)return`const ${n} = ${i[n].toString()};`;if("this"===t)return"framebuffer"===n?"":`${s?"function ":""}${e[n].toString()}`;throw new Error("unhandled fromObject")},thisLookup:(n,r)=>{if("texture"===n)return t;if("context"===n)return r?null:"gl";if(e.hasOwnProperty(n))return JSON.stringify(e[n]);throw new Error(`unhandled thisLookup ${n}`)}})}\n return toArray();\n }`}function u(e,t,n,r,i){if(null===e)return null;if(null===t)return null;switch(typeof e){case"boolean":case"number":return null}if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement)for(let i=0;i{switch(typeof e){case"boolean":return new Boolean(e);case"number":return new Number(e);default:return e}})):null;const c=[],p=[],d=r(n.context,{useTrackablePrimitives:!0,onReadPixels:e=>{if(N.subKernels){if(m){const t=N.subKernels[f++].property;p.push(` result${isNaN(t)?"."+t:`[${t}]`} = ${a(e,N)};`)}else p.push(` const result = { result: ${a(e,N)} };`),m=!0;f===N.subKernels.length&&p.push(" return result;")}else e?p.push(` return ${a(e,N)};`):p.push(" return null;")},onUnrecognizedArgumentLookup:e=>{const t=u(e,N.kernelArguments,[],d,c);if(t)return t;const n=u(e,N.kernelConstants,S?Object.keys(S).map((e=>S[e])):[],d,c);return n||null}});let m=!1,f=0;const{source:g,canvas:x,output:y,pipeline:b,graphical:T,loopMaxIterations:v,constants:S,optimizeFloatMemory:A,precision:_,fixIntegerDivisionAccuracy:E,functions:w,nativeFunctions:k,subKernels:I,immutable:D,argumentTypes:C,constantTypes:$,kernelArguments:L,kernelConstants:R,tactic:F}=n,N=new e(g,{canvas:x,context:d,checkContext:!1,output:y,pipeline:b,graphical:T,loopMaxIterations:v,constants:S,optimizeFloatMemory:A,precision:_,fixIntegerDivisionAccuracy:E,functions:w,nativeFunctions:k,subKernels:I,immutable:D,argumentTypes:C,constantTypes:$,tactic:F});let V=[];if(d.setIndent(2),N.build.apply(N,t),V.push(d.toString()),d.reset(),N.kernelArguments.forEach(((e,n)=>{switch(e.type){case"Integer":case"Boolean":case"Number":case"Float":case"Array":case"Array(2)":case"Array(3)":case"Array(4)":case"HTMLCanvas":case"HTMLImage":case"HTMLVideo":case"Input":d.insertVariable(`uploadValue_${e.name}`,e.uploadValue);break;case"HTMLImageArray":for(let r=0;re.varName)).join(", ")}) {`),d.setIndent(4),N.run.apply(N,t),N.renderKernels?N.renderKernels():N.renderOutput&&N.renderOutput(),V.push(" /** start setup uploads for kernel values **/"),N.kernelArguments.forEach((e=>{V.push(" "+e.getStringValueHandler().split("\n").join("\n "))})),V.push(" /** end setup uploads for kernel values **/"),V.push(d.toString()),N.renderOutput===N.renderTexture){d.reset();const e=d.getContextVariableName(N.framebuffer);if(N.renderKernels){const t=N.renderKernels(),n=d.getContextVariableName(N.texture.texture);V.push(` return {\n result: {\n texture: ${n},\n type: '${t.result.type}',\n toArray: ${o(t.result,n,e)}\n },`);const{subKernels:r,mappedTextures:i}=N;for(let n=0;n"utils"===e?`const ${t} = ${i[t].toString()};`:null,thisLookup:t=>{if("context"===t)return null;if(e.hasOwnProperty(t))return JSON.stringify(e[t]);throw new Error(`unhandled thisLookup ${t}`)}})}(N)),V.push(" innerKernel.getPixels = getPixels;")),V.push(" return innerKernel;");let M=[];return R.forEach((e=>{M.push(`${e.getStringValueHandler()}`)})),`function kernel(settings) {\n const { context, constants } = settings;\n ${M.join("")}\n ${l||""}\n${V.join("\n")}\n}`}}},{"../../utils":114,"gl-wiretap":3}],13:[function(e,t,n){const{Kernel:r}=e("../kernel"),{utils:i}=e("../../utils"),{GLTextureArray2Float:s}=e("./texture/array-2-float"),{GLTextureArray2Float2D:a}=e("./texture/array-2-float-2d"),{GLTextureArray2Float3D:o}=e("./texture/array-2-float-3d"),{GLTextureArray3Float:u}=e("./texture/array-3-float"),{GLTextureArray3Float2D:l}=e("./texture/array-3-float-2d"),{GLTextureArray3Float3D:h}=e("./texture/array-3-float-3d"),{GLTextureArray4Float:c}=e("./texture/array-4-float"),{GLTextureArray4Float2D:p}=e("./texture/array-4-float-2d"),{GLTextureArray4Float3D:d}=e("./texture/array-4-float-3d"),{GLTextureFloat:m}=e("./texture/float"),{GLTextureFloat2D:f}=e("./texture/float-2d"),{GLTextureFloat3D:g}=e("./texture/float-3d"),{GLTextureMemoryOptimized:x}=e("./texture/memory-optimized"),{GLTextureMemoryOptimized2D:y}=e("./texture/memory-optimized-2d"),{GLTextureMemoryOptimized3D:b}=e("./texture/memory-optimized-3d"),{GLTextureUnsigned:T}=e("./texture/unsigned"),{GLTextureUnsigned2D:v}=e("./texture/unsigned-2d"),{GLTextureUnsigned3D:S}=e("./texture/unsigned-3d"),{GLTextureGraphical:A}=e("./texture/graphical");const _={int:"Integer",float:"Number",vec2:"Array(2)",vec3:"Array(3)",vec4:"Array(4)"};t.exports={GLKernel:class extends r{static get mode(){return"gpu"}static getIsFloatRead(){const e=new this("function kernelFunction() {\n return 1;\n }",{context:this.testContext,canvas:this.testCanvas,validate:!1,output:[1],precision:"single",returnType:"Number",tactic:"speed"});e.build(),e.run();const t=e.renderOutput();return e.destroy(!0),1===t[0]}static getIsIntegerDivisionAccurate(){const e=new this(function(e,t){return e[this.thread.x]/t[this.thread.x]}.toString(),{context:this.testContext,canvas:this.testCanvas,validate:!1,output:[2],returnType:"Number",precision:"unsigned",tactic:"speed"}),t=[[6,6030401],[3,3991]];e.build.apply(e,t),e.run.apply(e,t);const n=e.renderOutput();return e.destroy(!0),2===n[0]&&1511===n[1]}static getIsSpeedTacticSupported(){const e=new this(function(e){return e[this.thread.x]}.toString(),{context:this.testContext,canvas:this.testCanvas,validate:!1,output:[4],returnType:"Number",precision:"unsigned",tactic:"speed"}),t=[[0,1,2,3]];e.build.apply(e,t),e.run.apply(e,t);const n=e.renderOutput();return e.destroy(!0),0===Math.round(n[0])&&1===Math.round(n[1])&&2===Math.round(n[2])&&3===Math.round(n[3])}static get testCanvas(){throw new Error(`"testCanvas" not defined on ${this.name}`)}static get testContext(){throw new Error(`"testContext" not defined on ${this.name}`)}static getFeatures(){const e=this.testContext,t=this.getIsDrawBuffers();return Object.freeze({isFloatRead:this.getIsFloatRead(),isIntegerDivisionAccurate:this.getIsIntegerDivisionAccurate(),isSpeedTacticSupported:this.getIsSpeedTacticSupported(),isTextureFloat:this.getIsTextureFloat(),isDrawBuffers:t,kernelMap:t,channelCount:this.getChannelCount(),maxTextureSize:this.getMaxTextureSize(),lowIntPrecision:e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.LOW_INT),lowFloatPrecision:e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.LOW_FLOAT),mediumIntPrecision:e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_INT),mediumFloatPrecision:e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT),highIntPrecision:e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_INT),highFloatPrecision:e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT)})}static setupFeatureChecks(){throw new Error(`"setupFeatureChecks" not defined on ${this.name}`)}static getSignature(e,t){return e.getVariablePrecisionString()+(t.length>0?":"+t.join(","):"")}setFixIntegerDivisionAccuracy(e){return this.fixIntegerDivisionAccuracy=e,this}setPrecision(e){return this.precision=e,this}setFloatTextures(e){return i.warnDeprecated("method","setFloatTextures","setOptimizeFloatMemory"),this.floatTextures=e,this}static nativeFunctionArguments(e){const t=[],n=[],r=[],i=/^[a-zA-Z_]/,s=/[a-zA-Z_0-9]/;let a=0,o=null,u=null;for(;a0?r[r.length-1]:null;if("FUNCTION_ARGUMENTS"!==c||"/"!==l||"*"!==h)if("MULTI_LINE_COMMENT"!==c||"*"!==l||"/"!==h)if("FUNCTION_ARGUMENTS"!==c||"/"!==l||"/"!==h)if("COMMENT"!==c||"\n"!==l)if(null!==c||"("!==l){if("FUNCTION_ARGUMENTS"===c){if(")"===l){r.pop();break}if("f"===l&&"l"===h&&"o"===e[a+2]&&"a"===e[a+3]&&"t"===e[a+4]&&" "===e[a+5]){r.push("DECLARE_VARIABLE"),u="float",o="",a+=6;continue}if("i"===l&&"n"===h&&"t"===e[a+2]&&" "===e[a+3]){r.push("DECLARE_VARIABLE"),u="int",o="",a+=4;continue}if("v"===l&&"e"===h&&"c"===e[a+2]&&"2"===e[a+3]&&" "===e[a+4]){r.push("DECLARE_VARIABLE"),u="vec2",o="",a+=5;continue}if("v"===l&&"e"===h&&"c"===e[a+2]&&"3"===e[a+3]&&" "===e[a+4]){r.push("DECLARE_VARIABLE"),u="vec3",o="",a+=5;continue}if("v"===l&&"e"===h&&"c"===e[a+2]&&"4"===e[a+3]&&" "===e[a+4]){r.push("DECLARE_VARIABLE"),u="vec4",o="",a+=5;continue}}else if("DECLARE_VARIABLE"===c){if(""===o){if(" "===l){a++;continue}if(!i.test(l))throw new Error("variable name is not expected string")}o+=l,s.test(h)||(r.pop(),n.push(o),t.push(_[u]))}a++}else r.push("FUNCTION_ARGUMENTS"),a++;else r.pop(),a++;else r.push("COMMENT"),a+=2;else r.pop(),a+=2;else r.push("MULTI_LINE_COMMENT"),a+=2}if(r.length>0)throw new Error("GLSL function was not parsable");return{argumentNames:n,argumentTypes:t}}static nativeFunctionReturnType(e){return _[e.match(/int|float|vec[2-4]/)[0]]}static combineKernels(e,t){e.apply(null,arguments);const{texSize:n,context:r,threadDim:s}=t.texSize;let a;if("single"===t.precision){const e=n[0],t=Math.ceil(n[1]/4);a=new Float32Array(e*t*4*4),r.readPixels(0,0,e,4*t,r.RGBA,r.FLOAT,a)}else{const e=new Uint8Array(n[0]*n[1]*4);r.readPixels(0,0,n[0],n[1],r.RGBA,r.UNSIGNED_BYTE,e),a=new Float32Array(e.buffer)}if(a=a.subarray(0,s[0]*s[1]*s[2]),1===t.output.length)return a;if(2===t.output.length)return i.splitArray(a,t.output[0]);if(3===t.output.length){return i.splitArray(a,t.output[0]*t.output[1]).map((function(e){return i.splitArray(e,t.output[0])}))}}constructor(e,t){super(e,t),this.transferValues=null,this.formatValues=null,this.TextureConstructor=null,this.renderOutput=null,this.renderRawOutput=null,this.texSize=null,this.translatedSource=null,this.compiledFragmentShader=null,this.compiledVertexShader=null,this.switchingKernels=null,this._textureSwitched=null,this._mappedTextureSwitched=null}checkTextureSize(){const{features:e}=this.constructor;if(this.texSize[0]>e.maxTextureSize||this.texSize[1]>e.maxTextureSize)throw new Error(`Texture size [${this.texSize[0]},${this.texSize[1]}] generated by kernel is larger than supported size [${e.maxTextureSize},${e.maxTextureSize}]`)}translateSource(){throw new Error(`"translateSource" not defined on ${this.constructor.name}`)}pickRenderStrategy(e){if(this.graphical)return this.renderRawOutput=this.readPackedPixelsToUint8Array,this.transferValues=e=>e,this.TextureConstructor=A,null;if("unsigned"===this.precision)if(this.renderRawOutput=this.readPackedPixelsToUint8Array,this.transferValues=this.readPackedPixelsToFloat32Array,this.pipeline)switch(this.renderOutput=this.renderTexture,null!==this.subKernels&&(this.renderKernels=this.renderKernelsToTextures),this.returnType){case"LiteralInteger":case"Float":case"Number":case"Integer":return this.output[2]>0?(this.TextureConstructor=S,null):this.output[1]>0?(this.TextureConstructor=v,null):(this.TextureConstructor=T,null);case"Array(2)":case"Array(3)":case"Array(4)":return this.requestFallback(e)}else switch(null!==this.subKernels&&(this.renderKernels=this.renderKernelsToArrays),this.returnType){case"LiteralInteger":case"Float":case"Number":case"Integer":return this.renderOutput=this.renderValues,this.output[2]>0?(this.TextureConstructor=S,this.formatValues=i.erect3DPackedFloat,null):this.output[1]>0?(this.TextureConstructor=v,this.formatValues=i.erect2DPackedFloat,null):(this.TextureConstructor=T,this.formatValues=i.erectPackedFloat,null);case"Array(2)":case"Array(3)":case"Array(4)":return this.requestFallback(e)}else{if("single"!==this.precision)throw new Error(`unhandled precision of "${this.precision}"`);if(this.renderRawOutput=this.readFloatPixelsToFloat32Array,this.transferValues=this.readFloatPixelsToFloat32Array,this.pipeline)switch(this.renderOutput=this.renderTexture,null!==this.subKernels&&(this.renderKernels=this.renderKernelsToTextures),this.returnType){case"LiteralInteger":case"Float":case"Number":case"Integer":return this.optimizeFloatMemory?this.output[2]>0?(this.TextureConstructor=b,null):this.output[1]>0?(this.TextureConstructor=y,null):(this.TextureConstructor=x,null):this.output[2]>0?(this.TextureConstructor=g,null):this.output[1]>0?(this.TextureConstructor=f,null):(this.TextureConstructor=m,null);case"Array(2)":return this.output[2]>0?(this.TextureConstructor=o,null):this.output[1]>0?(this.TextureConstructor=a,null):(this.TextureConstructor=s,null);case"Array(3)":return this.output[2]>0?(this.TextureConstructor=h,null):this.output[1]>0?(this.TextureConstructor=l,null):(this.TextureConstructor=u,null);case"Array(4)":return this.output[2]>0?(this.TextureConstructor=d,null):this.output[1]>0?(this.TextureConstructor=p,null):(this.TextureConstructor=c,null)}if(this.renderOutput=this.renderValues,null!==this.subKernels&&(this.renderKernels=this.renderKernelsToArrays),this.optimizeFloatMemory)switch(this.returnType){case"LiteralInteger":case"Float":case"Number":case"Integer":return this.output[2]>0?(this.TextureConstructor=b,this.formatValues=i.erectMemoryOptimized3DFloat,null):this.output[1]>0?(this.TextureConstructor=y,this.formatValues=i.erectMemoryOptimized2DFloat,null):(this.TextureConstructor=x,this.formatValues=i.erectMemoryOptimizedFloat,null);case"Array(2)":return this.output[2]>0?(this.TextureConstructor=o,this.formatValues=i.erect3DArray2,null):this.output[1]>0?(this.TextureConstructor=a,this.formatValues=i.erect2DArray2,null):(this.TextureConstructor=s,this.formatValues=i.erectArray2,null);case"Array(3)":return this.output[2]>0?(this.TextureConstructor=h,this.formatValues=i.erect3DArray3,null):this.output[1]>0?(this.TextureConstructor=l,this.formatValues=i.erect2DArray3,null):(this.TextureConstructor=u,this.formatValues=i.erectArray3,null);case"Array(4)":return this.output[2]>0?(this.TextureConstructor=d,this.formatValues=i.erect3DArray4,null):this.output[1]>0?(this.TextureConstructor=p,this.formatValues=i.erect2DArray4,null):(this.TextureConstructor=c,this.formatValues=i.erectArray4,null)}else switch(this.returnType){case"LiteralInteger":case"Float":case"Number":case"Integer":return this.output[2]>0?(this.TextureConstructor=g,this.formatValues=i.erect3DFloat,null):this.output[1]>0?(this.TextureConstructor=f,this.formatValues=i.erect2DFloat,null):(this.TextureConstructor=m,this.formatValues=i.erectFloat,null);case"Array(2)":return this.output[2]>0?(this.TextureConstructor=o,this.formatValues=i.erect3DArray2,null):this.output[1]>0?(this.TextureConstructor=a,this.formatValues=i.erect2DArray2,null):(this.TextureConstructor=s,this.formatValues=i.erectArray2,null);case"Array(3)":return this.output[2]>0?(this.TextureConstructor=h,this.formatValues=i.erect3DArray3,null):this.output[1]>0?(this.TextureConstructor=l,this.formatValues=i.erect2DArray3,null):(this.TextureConstructor=u,this.formatValues=i.erectArray3,null);case"Array(4)":return this.output[2]>0?(this.TextureConstructor=d,this.formatValues=i.erect3DArray4,null):this.output[1]>0?(this.TextureConstructor=p,this.formatValues=i.erect2DArray4,null):(this.TextureConstructor=c,this.formatValues=i.erectArray4,null)}}throw new Error(`unhandled return type "${this.returnType}"`)}getKernelString(){throw new Error("abstract method call")}getMainResultTexture(){switch(this.returnType){case"LiteralInteger":case"Float":case"Integer":case"Number":return this.getMainResultNumberTexture();case"Array(2)":return this.getMainResultArray2Texture();case"Array(3)":return this.getMainResultArray3Texture();case"Array(4)":return this.getMainResultArray4Texture();default:throw new Error(`unhandled returnType type ${this.returnType}`)}}getMainResultKernelNumberTexture(){throw new Error("abstract method call")}getMainResultSubKernelNumberTexture(){throw new Error("abstract method call")}getMainResultKernelArray2Texture(){throw new Error("abstract method call")}getMainResultSubKernelArray2Texture(){throw new Error("abstract method call")}getMainResultKernelArray3Texture(){throw new Error("abstract method call")}getMainResultSubKernelArray3Texture(){throw new Error("abstract method call")}getMainResultKernelArray4Texture(){throw new Error("abstract method call")}getMainResultSubKernelArray4Texture(){throw new Error("abstract method call")}getMainResultGraphical(){throw new Error("abstract method call")}getMainResultMemoryOptimizedFloats(){throw new Error("abstract method call")}getMainResultPackedPixels(){throw new Error("abstract method call")}getMainResultString(){return this.graphical?this.getMainResultGraphical():"single"===this.precision?this.optimizeFloatMemory?this.getMainResultMemoryOptimizedFloats():this.getMainResultTexture():this.getMainResultPackedPixels()}getMainResultNumberTexture(){return i.linesToString(this.getMainResultKernelNumberTexture())+i.linesToString(this.getMainResultSubKernelNumberTexture())}getMainResultArray2Texture(){return i.linesToString(this.getMainResultKernelArray2Texture())+i.linesToString(this.getMainResultSubKernelArray2Texture())}getMainResultArray3Texture(){return i.linesToString(this.getMainResultKernelArray3Texture())+i.linesToString(this.getMainResultSubKernelArray3Texture())}getMainResultArray4Texture(){return i.linesToString(this.getMainResultKernelArray4Texture())+i.linesToString(this.getMainResultSubKernelArray4Texture())}getFloatTacticDeclaration(){return`precision ${this.getVariablePrecisionString(this.texSize,this.tactic)} float;\n`}getIntTacticDeclaration(){return`precision ${this.getVariablePrecisionString(this.texSize,this.tactic,!0)} int;\n`}getSampler2DTacticDeclaration(){return`precision ${this.getVariablePrecisionString(this.texSize,this.tactic)} sampler2D;\n`}getSampler2DArrayTacticDeclaration(){return`precision ${this.getVariablePrecisionString(this.texSize,this.tactic)} sampler2DArray;\n`}renderTexture(){return this.immutable?this.texture.clone():this.texture}readPackedPixelsToUint8Array(){if("unsigned"!==this.precision)throw new Error('Requires this.precision to be "unsigned"');const{texSize:e,context:t}=this,n=new Uint8Array(e[0]*e[1]*4);return t.readPixels(0,0,e[0],e[1],t.RGBA,t.UNSIGNED_BYTE,n),n}readPackedPixelsToFloat32Array(){return new Float32Array(this.readPackedPixelsToUint8Array().buffer)}readFloatPixelsToFloat32Array(){if("single"!==this.precision)throw new Error('Requires this.precision to be "single"');const{texSize:e,context:t}=this,n=e[0],r=e[1],i=new Float32Array(n*r*4);return t.readPixels(0,0,n,r,t.RGBA,t.FLOAT,i),i}getPixels(e){const{context:t,output:n}=this,[r,s]=n,a=new Uint8Array(r*s*4);return t.readPixels(0,0,r,s,t.RGBA,t.UNSIGNED_BYTE,a),new Uint8ClampedArray((e?a:i.flipPixels(a,r,s)).buffer)}renderKernelsToArrays(){const e={result:this.renderOutput()};for(let t=0;t0){for(let e=0;e0){const{mappedTextures:n}=this;for(let r=0;r1&&(this.newTexture(),!0)}cloneTexture(){this.texture._refs--;const{context:e,size:t,texture:n,kernel:r}=this;r.debug&&console.warn("cloning internal texture"),e.bindFramebuffer(e.FRAMEBUFFER,this.framebuffer()),i(e,n),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,n,0);const s=e.createTexture();i(e,s),e.texImage2D(e.TEXTURE_2D,0,this.internalFormat,t[0],t[1],0,this.textureFormat,this.textureType,null),e.copyTexSubImage2D(e.TEXTURE_2D,0,0,0,0,0,t[0],t[1]),s._refs=1,this.texture=s}newTexture(){this.texture._refs--;const e=this.context,t=this.size;this.kernel.debug&&console.warn("new internal texture");const n=e.createTexture();i(e,n),e.texImage2D(e.TEXTURE_2D,0,this.internalFormat,t[0],t[1],0,this.textureFormat,this.textureType,null),n._refs=1,this.texture=n}clear(){if(this.texture._refs){this.texture._refs--;const e=this.context,t=this.texture=e.createTexture();i(e,t);const n=this.size;t._refs=1,e.texImage2D(e.TEXTURE_2D,0,this.internalFormat,n[0],n[1],0,this.textureFormat,this.textureType,null)}const{context:e,texture:t}=this;e.bindFramebuffer(e.FRAMEBUFFER,this.framebuffer()),e.bindTexture(e.TEXTURE_2D,t),i(e,t),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t,0),e.clearColor(0,0,0,0),e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT)}delete(){this._deleted||(this._deleted=!0,this.texture._refs&&(this.texture._refs--,this.texture._refs)||this.context.deleteTexture(this.texture))}framebuffer(){return this._framebuffer||(this._framebuffer=this.kernel.getRawValueFramebuffer(this.size[0],this.size[1])),this._framebuffer}}}},{"../../../texture":113}],28:[function(e,t,n){const{utils:r}=e("../../../utils"),{GLTextureFloat:i}=e("./float");t.exports={GLTextureMemoryOptimized2D:class extends i{constructor(e){super(e),this.type="MemoryOptimizedNumberTexture"}toArray(){return r.erectMemoryOptimized2DFloat(this.renderValues(),this.output[0],this.output[1])}}}},{"../../../utils":114,"./float":25}],29:[function(e,t,n){const{utils:r}=e("../../../utils"),{GLTextureFloat:i}=e("./float");t.exports={GLTextureMemoryOptimized3D:class extends i{constructor(e){super(e),this.type="MemoryOptimizedNumberTexture"}toArray(){return r.erectMemoryOptimized3DFloat(this.renderValues(),this.output[0],this.output[1],this.output[2])}}}},{"../../../utils":114,"./float":25}],30:[function(e,t,n){const{utils:r}=e("../../../utils"),{GLTextureFloat:i}=e("./float");t.exports={GLTextureMemoryOptimized:class extends i{constructor(e){super(e),this.type="MemoryOptimizedNumberTexture"}toArray(){return r.erectMemoryOptimizedFloat(this.renderValues(),this.output[0])}}}},{"../../../utils":114,"./float":25}],31:[function(e,t,n){const{utils:r}=e("../../../utils"),{GLTextureUnsigned:i}=e("./unsigned");t.exports={GLTextureUnsigned2D:class extends i{constructor(e){super(e),this.type="NumberTexture"}toArray(){return r.erect2DPackedFloat(this.renderValues(),this.output[0],this.output[1])}}}},{"../../../utils":114,"./unsigned":33}],32:[function(e,t,n){const{utils:r}=e("../../../utils"),{GLTextureUnsigned:i}=e("./unsigned");t.exports={GLTextureUnsigned3D:class extends i{constructor(e){super(e),this.type="NumberTexture"}toArray(){return r.erect3DPackedFloat(this.renderValues(),this.output[0],this.output[1],this.output[2])}}}},{"../../../utils":114,"./unsigned":33}],33:[function(e,t,n){const{utils:r}=e("../../../utils"),{GLTexture:i}=e("./index");t.exports={GLTextureUnsigned:class extends i{get textureType(){return this.context.UNSIGNED_BYTE}constructor(e){super(e),this.type="NumberTexture"}renderRawOutput(){const{context:e}=this;e.bindFramebuffer(e.FRAMEBUFFER,this.framebuffer()),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,this.texture,0);const t=new Uint8Array(this.size[0]*this.size[1]*4);return e.readPixels(0,0,this.size[0],this.size[1],e.RGBA,e.UNSIGNED_BYTE,t),t}renderValues(){return this._deleted?null:new Float32Array(this.renderRawOutput().buffer)}toArray(){return r.erectPackedFloat(this.renderValues(),this.output[0])}}}},{"../../../utils":114,"./index":27}],34:[function(e,t,n){const r=e("gl"),{WebGLKernel:i}=e("../web-gl/kernel"),{glKernelString:s}=e("../gl/kernel-string");let a=null,o=null,u=null,l=null,h=null;t.exports={HeadlessGLKernel:class extends i{static get isSupported(){return null!==a||(this.setupFeatureChecks(),a=null!==u),a}static setupFeatureChecks(){if(o=null,l=null,"function"==typeof r)try{if(u=r(2,2,{preserveDrawingBuffer:!0}),!u||!u.getExtension)return;l={STACKGL_resize_drawingbuffer:u.getExtension("STACKGL_resize_drawingbuffer"),STACKGL_destroy_context:u.getExtension("STACKGL_destroy_context"),OES_texture_float:u.getExtension("OES_texture_float"),OES_texture_float_linear:u.getExtension("OES_texture_float_linear"),OES_element_index_uint:u.getExtension("OES_element_index_uint"),WEBGL_draw_buffers:u.getExtension("WEBGL_draw_buffers"),WEBGL_color_buffer_float:u.getExtension("WEBGL_color_buffer_float")},h=this.getFeatures()}catch(e){console.warn(e)}}static isContextMatch(e){try{return"ANGLE"===e.getParameter(e.RENDERER)}catch(e){return!1}}static getIsTextureFloat(){return Boolean(l.OES_texture_float)}static getIsDrawBuffers(){return Boolean(l.WEBGL_draw_buffers)}static getChannelCount(){return l.WEBGL_draw_buffers?u.getParameter(l.WEBGL_draw_buffers.MAX_DRAW_BUFFERS_WEBGL):1}static getMaxTextureSize(){return u.getParameter(u.MAX_TEXTURE_SIZE)}static get testCanvas(){return o}static get testContext(){return u}static get features(){return h}initCanvas(){return{}}initContext(){return r(2,2,{preserveDrawingBuffer:!0})}initExtensions(){this.extensions={STACKGL_resize_drawingbuffer:this.context.getExtension("STACKGL_resize_drawingbuffer"),STACKGL_destroy_context:this.context.getExtension("STACKGL_destroy_context"),OES_texture_float:this.context.getExtension("OES_texture_float"),OES_texture_float_linear:this.context.getExtension("OES_texture_float_linear"),OES_element_index_uint:this.context.getExtension("OES_element_index_uint"),WEBGL_draw_buffers:this.context.getExtension("WEBGL_draw_buffers")}}build(){super.build.apply(this,arguments),this.fallbackRequested||this.extensions.STACKGL_resize_drawingbuffer.resize(this.maxTexSize[0],this.maxTexSize[1])}destroyExtensions(){this.extensions.STACKGL_resize_drawingbuffer=null,this.extensions.STACKGL_destroy_context=null,this.extensions.OES_texture_float=null,this.extensions.OES_texture_float_linear=null,this.extensions.OES_element_index_uint=null,this.extensions.WEBGL_draw_buffers=null}static destroyContext(e){const t=e.getExtension("STACKGL_destroy_context");t&&t.destroy&&t.destroy()}toString(){return s(this.constructor,arguments,this,"const gl = context || require('gl')(1, 1);\n"," if (!context) { gl.getExtension('STACKGL_destroy_context').destroy(); }\n")}setOutput(e){return super.setOutput(e),this.graphical&&this.extensions.STACKGL_resize_drawingbuffer&&this.extensions.STACKGL_resize_drawingbuffer.resize(this.maxTexSize[0],this.maxTexSize[1]),this}}}},{"../gl/kernel-string":12,"../web-gl/kernel":70,gl:2}],35:[function(e,t,n){t.exports={KernelValue:class{constructor(e,t){const{name:n,kernel:r,context:i,checkContext:s,onRequestContextHandle:a,onUpdateValueMismatch:o,origin:u,strictIntegers:l,type:h,tactic:c}=t;if(!n)throw new Error("name not set");if(!h)throw new Error("type not set");if(!u)throw new Error("origin not set");if("user"!==u&&"constants"!==u)throw new Error(`origin must be "user" or "constants" value is "${u}"`);if(!a)throw new Error("onRequestContextHandle is not set");this.name=n,this.origin=u,this.tactic=c,this.varName="constants"===u?`constants.${n}`:n,this.kernel=r,this.strictIntegers=l,this.type=e.type||h,this.size=e.size||null,this.index=null,this.context=i,this.checkContext=null==s||s,this.contextHandle=null,this.onRequestContextHandle=a,this.onUpdateValueMismatch=o,this.forceUploadEachRun=null}get id(){return`${this.origin}_${name}`}getSource(){throw new Error(`"getSource" not defined on ${this.constructor.name}`)}updateValue(e){throw new Error(`"updateValue" not defined on ${this.constructor.name}`)}}}},{}],36:[function(e,t,n){const{utils:r}=e("../utils"),{Input:i}=e("../input");t.exports={Kernel:class{static get isSupported(){throw new Error(`"isSupported" not implemented on ${this.name}`)}static isContextMatch(e){throw new Error(`"isContextMatch" not implemented on ${this.name}`)}static getFeatures(){throw new Error(`"getFeatures" not implemented on ${this.name}`)}static destroyContext(e){throw new Error(`"destroyContext" called on ${this.name}`)}static nativeFunctionArguments(){throw new Error(`"nativeFunctionArguments" called on ${this.name}`)}static nativeFunctionReturnType(){throw new Error(`"nativeFunctionReturnType" called on ${this.name}`)}static combineKernels(){throw new Error(`"combineKernels" called on ${this.name}`)}constructor(e,t){if("object"!=typeof e){if("string"!=typeof e)throw new Error("source not a string");if(!r.isFunctionString(e))throw new Error("source not a function string")}this.useLegacyEncoder=!1,this.fallbackRequested=!1,this.onRequestFallback=null,this.argumentNames="string"==typeof e?r.getArgumentNamesFromString(e):null,this.argumentTypes=null,this.argumentSizes=null,this.argumentBitRatios=null,this.kernelArguments=null,this.kernelConstants=null,this.forceUploadKernelConstants=null,this.source=e,this.output=null,this.debug=!1,this.graphical=!1,this.loopMaxIterations=0,this.constants=null,this.constantTypes=null,this.constantBitRatios=null,this.dynamicArguments=!1,this.dynamicOutput=!1,this.canvas=null,this.context=null,this.checkContext=null,this.gpu=null,this.functions=null,this.nativeFunctions=null,this.injectedNative=null,this.subKernels=null,this.validate=!0,this.immutable=!1,this.pipeline=!1,this.precision=null,this.tactic=null,this.plugins=null,this.returnType=null,this.leadingReturnStatement=null,this.followingReturnStatement=null,this.optimizeFloatMemory=null,this.strictIntegers=!1,this.fixIntegerDivisionAccuracy=null,this.built=!1,this.signature=null}mergeSettings(e){for(let t in e)if(e.hasOwnProperty(t)&&this.hasOwnProperty(t)){switch(t){case"output":if(!Array.isArray(e.output)){this.setOutput(e.output);continue}break;case"functions":this.functions=[];for(let t=0;te.name)):null,returnType:this.returnType}}}buildSignature(e){const t=this.constructor;this.signature=t.getSignature(this,t.getArgumentTypes(this,e))}static getArgumentTypes(e,t){const n=new Array(t.length);for(let i=0;it.argumentTypes[e]))||[]:t.argumentTypes||[],{name:r.getFunctionNameFromString(n)||null,source:n,argumentTypes:i,returnType:t.returnType||null}}onActivate(e){}}}},{"../input":110,"../utils":114}],37:[function(e,t,n){const r=`__HEADER__;\n__FLOAT_TACTIC_DECLARATION__;\n__INT_TACTIC_DECLARATION__;\n__SAMPLER_2D_TACTIC_DECLARATION__;\n\nconst int LOOP_MAX = __LOOP_MAX__;\n\n__PLUGINS__;\n__CONSTANTS__;\n\nvarying vec2 vTexCoord;\n\nfloat acosh(float x) {\n return log(x + sqrt(x * x - 1.0));\n}\n\nfloat sinh(float x) {\n return (pow(${Math.E}, x) - pow(${Math.E}, -x)) / 2.0;\n}\n\nfloat asinh(float x) {\n return log(x + sqrt(x * x + 1.0));\n}\n\nfloat atan2(float v1, float v2) {\n if (v1 == 0.0 || v2 == 0.0) return 0.0;\n return atan(v1 / v2);\n}\n\nfloat atanh(float x) {\n x = (x + 1.0) / (x - 1.0);\n if (x < 0.0) {\n return 0.5 * log(-x);\n }\n return 0.5 * log(x);\n}\n\nfloat cbrt(float x) {\n if (x >= 0.0) {\n return pow(x, 1.0 / 3.0);\n } else {\n return -pow(x, 1.0 / 3.0);\n }\n}\n\nfloat cosh(float x) {\n return (pow(${Math.E}, x) + pow(${Math.E}, -x)) / 2.0; \n}\n\nfloat expm1(float x) {\n return pow(${Math.E}, x) - 1.0; \n}\n\nfloat fround(highp float x) {\n return x;\n}\n\nfloat imul(float v1, float v2) {\n return float(int(v1) * int(v2));\n}\n\nfloat log10(float x) {\n return log2(x) * (1.0 / log2(10.0));\n}\n\nfloat log1p(float x) {\n return log(1.0 + x);\n}\n\nfloat _pow(float v1, float v2) {\n if (v2 == 0.0) return 1.0;\n return pow(v1, v2);\n}\n\nfloat tanh(float x) {\n float e = exp(2.0 * x);\n return (e - 1.0) / (e + 1.0);\n}\n\nfloat trunc(float x) {\n if (x >= 0.0) {\n return floor(x); \n } else {\n return ceil(x);\n }\n}\n\nvec4 _round(vec4 x) {\n return floor(x + 0.5);\n}\n\nfloat _round(float x) {\n return floor(x + 0.5);\n}\n\nconst int BIT_COUNT = 32;\nint modi(int x, int y) {\n return x - y * (x / y);\n}\n\nint bitwiseOr(int a, int b) {\n int result = 0;\n int n = 1;\n \n for (int i = 0; i < BIT_COUNT; i++) {\n if ((modi(a, 2) == 1) || (modi(b, 2) == 1)) {\n result += n;\n }\n a = a / 2;\n b = b / 2;\n n = n * 2;\n if(!(a > 0 || b > 0)) {\n break;\n }\n }\n return result;\n}\nint bitwiseXOR(int a, int b) {\n int result = 0;\n int n = 1;\n \n for (int i = 0; i < BIT_COUNT; i++) {\n if ((modi(a, 2) == 1) != (modi(b, 2) == 1)) {\n result += n;\n }\n a = a / 2;\n b = b / 2;\n n = n * 2;\n if(!(a > 0 || b > 0)) {\n break;\n }\n }\n return result;\n}\nint bitwiseAnd(int a, int b) {\n int result = 0;\n int n = 1;\n for (int i = 0; i < BIT_COUNT; i++) {\n if ((modi(a, 2) == 1) && (modi(b, 2) == 1)) {\n result += n;\n }\n a = a / 2;\n b = b / 2;\n n = n * 2;\n if(!(a > 0 && b > 0)) {\n break;\n }\n }\n return result;\n}\nint bitwiseNot(int a) {\n int result = 0;\n int n = 1;\n \n for (int i = 0; i < BIT_COUNT; i++) {\n if (modi(a, 2) == 0) {\n result += n; \n }\n a = a / 2;\n n = n * 2;\n }\n return result;\n}\nint bitwiseZeroFillLeftShift(int n, int shift) {\n int maxBytes = BIT_COUNT;\n for (int i = 0; i < BIT_COUNT; i++) {\n if (maxBytes >= n) {\n break;\n }\n maxBytes *= 2;\n }\n for (int i = 0; i < BIT_COUNT; i++) {\n if (i >= shift) {\n break;\n }\n n *= 2;\n }\n\n int result = 0;\n int byteVal = 1;\n for (int i = 0; i < BIT_COUNT; i++) {\n if (i >= maxBytes) break;\n if (modi(n, 2) > 0) { result += byteVal; }\n n = int(n / 2);\n byteVal *= 2;\n }\n return result;\n}\n\nint bitwiseSignedRightShift(int num, int shifts) {\n return int(floor(float(num) / pow(2.0, float(shifts))));\n}\n\nint bitwiseZeroFillRightShift(int n, int shift) {\n int maxBytes = BIT_COUNT;\n for (int i = 0; i < BIT_COUNT; i++) {\n if (maxBytes >= n) {\n break;\n }\n maxBytes *= 2;\n }\n for (int i = 0; i < BIT_COUNT; i++) {\n if (i >= shift) {\n break;\n }\n n /= 2;\n }\n int result = 0;\n int byteVal = 1;\n for (int i = 0; i < BIT_COUNT; i++) {\n if (i >= maxBytes) break;\n if (modi(n, 2) > 0) { result += byteVal; }\n n = int(n / 2);\n byteVal *= 2;\n }\n return result;\n}\n\nvec2 integerMod(vec2 x, float y) {\n vec2 res = floor(mod(x, y));\n return res * step(1.0 - floor(y), -res);\n}\n\nvec3 integerMod(vec3 x, float y) {\n vec3 res = floor(mod(x, y));\n return res * step(1.0 - floor(y), -res);\n}\n\nvec4 integerMod(vec4 x, vec4 y) {\n vec4 res = floor(mod(x, y));\n return res * step(1.0 - floor(y), -res);\n}\n\nfloat integerMod(float x, float y) {\n float res = floor(mod(x, y));\n return res * (res > floor(y) - 1.0 ? 0.0 : 1.0);\n}\n\nint integerMod(int x, int y) {\n return x - (y * int(x / y));\n}\n\n__DIVIDE_WITH_INTEGER_CHECK__;\n\n// Here be dragons!\n// DO NOT OPTIMIZE THIS CODE\n// YOU WILL BREAK SOMETHING ON SOMEBODY'S MACHINE\n// LEAVE IT AS IT IS, LEST YOU WASTE YOUR OWN TIME\nconst vec2 MAGIC_VEC = vec2(1.0, -256.0);\nconst vec4 SCALE_FACTOR = vec4(1.0, 256.0, 65536.0, 0.0);\nconst vec4 SCALE_FACTOR_INV = vec4(1.0, 0.00390625, 0.0000152587890625, 0.0); // 1, 1/256, 1/65536\nfloat decode32(vec4 texel) {\n __DECODE32_ENDIANNESS__;\n texel *= 255.0;\n vec2 gte128;\n gte128.x = texel.b >= 128.0 ? 1.0 : 0.0;\n gte128.y = texel.a >= 128.0 ? 1.0 : 0.0;\n float exponent = 2.0 * texel.a - 127.0 + dot(gte128, MAGIC_VEC);\n float res = exp2(_round(exponent));\n texel.b = texel.b - 128.0 * gte128.x;\n res = dot(texel, SCALE_FACTOR) * exp2(_round(exponent-23.0)) + res;\n res *= gte128.y * -2.0 + 1.0;\n return res;\n}\n\nfloat decode16(vec4 texel, int index) {\n int channel = integerMod(index, 2);\n if (channel == 0) return texel.r * 255.0 + texel.g * 65280.0;\n if (channel == 1) return texel.b * 255.0 + texel.a * 65280.0;\n return 0.0;\n}\n\nfloat decode8(vec4 texel, int index) {\n int channel = integerMod(index, 4);\n if (channel == 0) return texel.r * 255.0;\n if (channel == 1) return texel.g * 255.0;\n if (channel == 2) return texel.b * 255.0;\n if (channel == 3) return texel.a * 255.0;\n return 0.0;\n}\n\nvec4 legacyEncode32(float f) {\n float F = abs(f);\n float sign = f < 0.0 ? 1.0 : 0.0;\n float exponent = floor(log2(F));\n float mantissa = (exp2(-exponent) * F);\n // exponent += floor(log2(mantissa));\n vec4 texel = vec4(F * exp2(23.0-exponent)) * SCALE_FACTOR_INV;\n texel.rg = integerMod(texel.rg, 256.0);\n texel.b = integerMod(texel.b, 128.0);\n texel.a = exponent*0.5 + 63.5;\n texel.ba += vec2(integerMod(exponent+127.0, 2.0), sign) * 128.0;\n texel = floor(texel);\n texel *= 0.003921569; // 1/255\n __ENCODE32_ENDIANNESS__;\n return texel;\n}\n\n// https://github.com/gpujs/gpu.js/wiki/Encoder-details\nvec4 encode32(float value) {\n if (value == 0.0) return vec4(0, 0, 0, 0);\n\n float exponent;\n float mantissa;\n vec4 result;\n float sgn;\n\n sgn = step(0.0, -value);\n value = abs(value);\n\n exponent = floor(log2(value));\n\n mantissa = value*pow(2.0, -exponent)-1.0;\n exponent = exponent+127.0;\n result = vec4(0,0,0,0);\n\n result.a = floor(exponent/2.0);\n exponent = exponent - result.a*2.0;\n result.a = result.a + 128.0*sgn;\n\n result.b = floor(mantissa * 128.0);\n mantissa = mantissa - result.b / 128.0;\n result.b = result.b + exponent*128.0;\n\n result.g = floor(mantissa*32768.0);\n mantissa = mantissa - result.g/32768.0;\n\n result.r = floor(mantissa*8388608.0);\n return result/255.0;\n}\n// Dragons end here\n\nint index;\nivec3 threadId;\n\nivec3 indexTo3D(int idx, ivec3 texDim) {\n int z = int(idx / (texDim.x * texDim.y));\n idx -= z * int(texDim.x * texDim.y);\n int y = int(idx / texDim.x);\n int x = int(integerMod(idx, texDim.x));\n return ivec3(x, y, z);\n}\n\nfloat get32(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture2D(tex, st / vec2(texSize));\n return decode32(texel);\n}\n\nfloat get16(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int w = texSize.x * 2;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture2D(tex, st / vec2(texSize.x * 2, texSize.y));\n return decode16(texel, index);\n}\n\nfloat get8(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int w = texSize.x * 4;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture2D(tex, st / vec2(texSize.x * 4, texSize.y));\n return decode8(texel, index);\n}\n\nfloat getMemoryOptimized32(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int channel = integerMod(index, 4);\n index = index / 4;\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture2D(tex, st / vec2(texSize));\n if (channel == 0) return texel.r;\n if (channel == 1) return texel.g;\n if (channel == 2) return texel.b;\n if (channel == 3) return texel.a;\n return 0.0;\n}\n\nvec4 getImage2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n return texture2D(tex, st / vec2(texSize));\n}\n\nfloat getFloatFromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n vec4 result = getImage2D(tex, texSize, texDim, z, y, x);\n return result[0];\n}\n\nvec2 getVec2FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n vec4 result = getImage2D(tex, texSize, texDim, z, y, x);\n return vec2(result[0], result[1]);\n}\n\nvec2 getMemoryOptimizedVec2(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + (texDim.x * (y + (texDim.y * z)));\n int channel = integerMod(index, 2);\n index = index / 2;\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture2D(tex, st / vec2(texSize));\n if (channel == 0) return vec2(texel.r, texel.g);\n if (channel == 1) return vec2(texel.b, texel.a);\n return vec2(0.0, 0.0);\n}\n\nvec3 getVec3FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n vec4 result = getImage2D(tex, texSize, texDim, z, y, x);\n return vec3(result[0], result[1], result[2]);\n}\n\nvec3 getMemoryOptimizedVec3(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int fieldIndex = 3 * (x + texDim.x * (y + texDim.y * z));\n int vectorIndex = fieldIndex / 4;\n int vectorOffset = fieldIndex - vectorIndex * 4;\n int readY = vectorIndex / texSize.x;\n int readX = vectorIndex - readY * texSize.x;\n vec4 tex1 = texture2D(tex, (vec2(readX, readY) + 0.5) / vec2(texSize));\n \n if (vectorOffset == 0) {\n return tex1.xyz;\n } else if (vectorOffset == 1) {\n return tex1.yzw;\n } else {\n readX++;\n if (readX >= texSize.x) {\n readX = 0;\n readY++;\n }\n vec4 tex2 = texture2D(tex, vec2(readX, readY) / vec2(texSize));\n if (vectorOffset == 2) {\n return vec3(tex1.z, tex1.w, tex2.x);\n } else {\n return vec3(tex1.w, tex2.x, tex2.y);\n }\n }\n}\n\nvec4 getVec4FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n return getImage2D(tex, texSize, texDim, z, y, x);\n}\n\nvec4 getMemoryOptimizedVec4(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int channel = integerMod(index, 2);\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture2D(tex, st / vec2(texSize));\n return vec4(texel.r, texel.g, texel.b, texel.a);\n}\n\nvec4 actualColor;\nvoid color(float r, float g, float b, float a) {\n actualColor = vec4(r,g,b,a);\n}\n\nvoid color(float r, float g, float b) {\n color(r,g,b,1.0);\n}\n\nvoid color(sampler2D image) {\n actualColor = texture2D(image, vTexCoord);\n}\n\nfloat modulo(float number, float divisor) {\n if (number < 0.0) {\n number = abs(number);\n if (divisor < 0.0) {\n divisor = abs(divisor);\n }\n return -mod(number, divisor);\n }\n if (divisor < 0.0) {\n divisor = abs(divisor);\n }\n return mod(number, divisor);\n}\n\n__INJECTED_NATIVE__;\n__MAIN_CONSTANTS__;\n__MAIN_ARGUMENTS__;\n__KERNEL__;\n\nvoid main(void) {\n index = int(vTexCoord.s * float(uTexSize.x)) + int(vTexCoord.t * float(uTexSize.y)) * uTexSize.x;\n __MAIN_RESULT__;\n}`;t.exports={fragmentShader:r}},{}],38:[function(e,t,n){const{utils:r}=e("../../utils"),{FunctionNode:i}=e("../function-node");const s={Array:"sampler2D","Array(2)":"vec2","Array(3)":"vec3","Array(4)":"vec4","Matrix(2)":"mat2","Matrix(3)":"mat3","Matrix(4)":"mat4",Array2D:"sampler2D",Array3D:"sampler2D",Boolean:"bool",Float:"float",Input:"sampler2D",Integer:"int",Number:"float",LiteralInteger:"float",NumberTexture:"sampler2D",MemoryOptimizedNumberTexture:"sampler2D","ArrayTexture(1)":"sampler2D","ArrayTexture(2)":"sampler2D","ArrayTexture(3)":"sampler2D","ArrayTexture(4)":"sampler2D",HTMLVideo:"sampler2D",HTMLCanvas:"sampler2D",OffscreenCanvas:"sampler2D",HTMLImage:"sampler2D",ImageBitmap:"sampler2D",ImageData:"sampler2D",HTMLImageArray:"sampler2DArray"},a={"===":"==","!==":"!="};t.exports={WebGLFunctionNode:class extends i{constructor(e,t){super(e,t),t&&t.hasOwnProperty("fixIntegerDivisionAccuracy")&&(this.fixIntegerDivisionAccuracy=t.fixIntegerDivisionAccuracy)}astConditionalExpression(e,t){if("ConditionalExpression"!==e.type)throw this.astErrorOutput("Not a conditional expression",e);const n=this.getType(e.consequent),r=this.getType(e.alternate);return null===n&&null===r?(t.push("if ("),this.astGeneric(e.test,t),t.push(") {"),this.astGeneric(e.consequent,t),t.push(";"),t.push("} else {"),this.astGeneric(e.alternate,t),t.push(";"),t.push("}"),t):(t.push("("),this.astGeneric(e.test,t),t.push("?"),this.astGeneric(e.consequent,t),t.push(":"),this.astGeneric(e.alternate,t),t.push(")"),t)}astFunction(e,t){if(this.isRootKernel)t.push("void");else{if(!this.returnType){this.findLastReturn()&&(this.returnType=this.getType(e.body),"LiteralInteger"===this.returnType&&(this.returnType="Number"))}const{returnType:n}=this;if(n){const e=s[n];if(!e)throw new Error(`unknown type ${n}`);t.push(e)}else t.push("void")}if(t.push(" "),t.push(this.name),t.push("("),!this.isRootKernel)for(let n=0;n0&&t.push(", ");let a=this.argumentTypes[this.argumentNames.indexOf(i)];if(!a)throw this.astErrorOutput(`Unknown argument ${i} type`,e);"LiteralInteger"===a&&(this.argumentTypes[n]=a="Number");const o=s[a];if(!o)throw this.astErrorOutput("Unexpected expression",e);const u=r.sanitizeName(i);"sampler2D"===o||"sampler2DArray"===o?t.push(`${o} user_${u},ivec2 user_${u}Size,ivec3 user_${u}Dim`):t.push(`${o} user_${u}`)}t.push(") {\n");for(let n=0;n"===e.operator||"<"===e.operator&&"Literal"===e.right.type)&&!Number.isInteger(e.right.value)){this.pushState("building-float"),this.castValueToFloat(e.left,t),t.push(a[e.operator]||e.operator),this.astGeneric(e.right,t),this.popState("building-float");break}if(this.pushState("building-integer"),this.astGeneric(e.left,t),t.push(a[e.operator]||e.operator),this.pushState("casting-to-integer"),"Literal"===e.right.type){const n=[];this.astGeneric(e.right,n);if("Integer"!==this.getType(e.right))throw this.astErrorOutput("Unhandled binary expression with literal",e);t.push(n.join(""))}else t.push("int("),this.astGeneric(e.right,t),t.push(")");this.popState("casting-to-integer"),this.popState("building-integer");break;case"Integer & LiteralInteger":this.pushState("building-integer"),this.astGeneric(e.left,t),t.push(a[e.operator]||e.operator),this.castLiteralToInteger(e.right,t),this.popState("building-integer");break;case"Number & Integer":case"Float & Integer":this.pushState("building-float"),this.astGeneric(e.left,t),t.push(a[e.operator]||e.operator),this.castValueToFloat(e.right,t),this.popState("building-float");break;case"Float & LiteralInteger":case"Number & LiteralInteger":this.pushState("building-float"),this.astGeneric(e.left,t),t.push(a[e.operator]||e.operator),this.castLiteralToFloat(e.right,t),this.popState("building-float");break;case"LiteralInteger & Float":case"LiteralInteger & Number":this.isState("casting-to-integer")?(this.pushState("building-integer"),this.castLiteralToInteger(e.left,t),t.push(a[e.operator]||e.operator),this.castValueToInteger(e.right,t),this.popState("building-integer")):(this.pushState("building-float"),this.astGeneric(e.left,t),t.push(a[e.operator]||e.operator),this.pushState("casting-to-float"),this.astGeneric(e.right,t),this.popState("casting-to-float"),this.popState("building-float"));break;case"LiteralInteger & Integer":this.pushState("building-integer"),this.castLiteralToInteger(e.left,t),t.push(a[e.operator]||e.operator),this.astGeneric(e.right,t),this.popState("building-integer");break;case"Boolean & Boolean":this.pushState("building-boolean"),this.astGeneric(e.left,t),t.push(a[e.operator]||e.operator),this.astGeneric(e.right,t),this.popState("building-boolean");break;default:throw this.astErrorOutput(`Unhandled binary expression between ${i}`,e)}return t.push(")"),t}checkAndUpconvertOperator(e,t){const n=this.checkAndUpconvertBitwiseOperators(e,t);if(n)return n;const r={"%":this.fixIntegerDivisionAccuracy?"integerCorrectionModulo":"modulo","**":"pow"}[e.operator];if(!r)return null;switch(t.push(r),t.push("("),this.getType(e.left)){case"Integer":this.castValueToFloat(e.left,t);break;case"LiteralInteger":this.castLiteralToFloat(e.left,t);break;default:this.astGeneric(e.left,t)}switch(t.push(","),this.getType(e.right)){case"Integer":this.castValueToFloat(e.right,t);break;case"LiteralInteger":this.castLiteralToFloat(e.right,t);break;default:this.astGeneric(e.right,t)}return t.push(")"),t}checkAndUpconvertBitwiseOperators(e,t){const n={"&":"bitwiseAnd","|":"bitwiseOr","^":"bitwiseXOR","<<":"bitwiseZeroFillLeftShift",">>":"bitwiseSignedRightShift",">>>":"bitwiseZeroFillRightShift"}[e.operator];if(!n)return null;t.push(n),t.push("(");switch(this.getType(e.left)){case"Number":case"Float":this.castValueToInteger(e.left,t);break;case"LiteralInteger":this.castLiteralToInteger(e.left,t);break;default:this.astGeneric(e.left,t)}t.push(",");switch(this.getType(e.right)){case"Number":case"Float":this.castValueToInteger(e.right,t);break;case"LiteralInteger":this.castLiteralToInteger(e.right,t);break;default:this.astGeneric(e.right,t)}return t.push(")"),t}checkAndUpconvertBitwiseUnary(e,t){const n={"~":"bitwiseNot"}[e.operator];if(!n)return null;switch(t.push(n),t.push("("),this.getType(e.argument)){case"Number":case"Float":this.castValueToInteger(e.argument,t);break;case"LiteralInteger":this.castLiteralToInteger(e.argument,t);break;default:this.astGeneric(e.argument,t)}return t.push(")"),t}castLiteralToInteger(e,t){return this.pushState("casting-to-integer"),this.astGeneric(e,t),this.popState("casting-to-integer"),t}castLiteralToFloat(e,t){return this.pushState("casting-to-float"),this.astGeneric(e,t),this.popState("casting-to-float"),t}castValueToInteger(e,t){return this.pushState("casting-to-integer"),t.push("int("),this.astGeneric(e,t),t.push(")"),this.popState("casting-to-integer"),t}castValueToFloat(e,t){return this.pushState("casting-to-float"),t.push("float("),this.astGeneric(e,t),t.push(")"),this.popState("casting-to-float"),t}astIdentifierExpression(e,t){if("Identifier"!==e.type)throw this.astErrorOutput("IdentifierExpression - not an Identifier",e);const n=this.getType(e),i=r.sanitizeName(e.name);return"Infinity"===e.name?t.push("3.402823466e+38"):"Boolean"===n&&this.argumentNames.indexOf(i)>-1?t.push(`bool(user_${i})`):t.push(`user_${i}`),t}astForStatement(e,t){if("ForStatement"!==e.type)throw this.astErrorOutput("Invalid for statement",e);const n=[],r=[],i=[],s=[];let a=null;if(e.init){const{declarations:t}=e.init;t.length>1&&(a=!1),this.astGeneric(e.init,n);for(let e=0;e0&&t.push(n.join(""),"\n"),t.push(`for (int ${e}=0;${e}0&&t.push(`if (!${r.join("")}) break;\n`),t.push(s.join("")),t.push(`\n${i.join("")};`),t.push("}\n")}return t}astWhileStatement(e,t){if("WhileStatement"!==e.type)throw this.astErrorOutput("Invalid while statement",e);const n=this.getInternalVariableName("safeI");return t.push(`for (int ${n}=0;${n}0&&o.push(u.join(",")),i.push(o.join(";")),t.push(i.join("")),t.push(";"),t}astIfStatement(e,t){return t.push("if ("),this.astGeneric(e.test,t),t.push(")"),"BlockStatement"===e.consequent.type?this.astGeneric(e.consequent,t):(t.push(" {\n"),this.astGeneric(e.consequent,t),t.push("\n}\n")),e.alternate&&(t.push("else "),"BlockStatement"===e.alternate.type||"IfStatement"===e.alternate.type?this.astGeneric(e.alternate,t):(t.push(" {\n"),this.astGeneric(e.alternate,t),t.push("\n}\n"))),t}astSwitchStatement(e,t){if("SwitchStatement"!==e.type)throw this.astErrorOutput("Invalid switch statement",e);const{discriminant:n,cases:r}=e,i=this.getType(n),s=`switchDiscriminant${this.astKey(e,"_")}`;switch(i){case"Float":case"Number":t.push(`float ${s} = `),this.astGeneric(n,t),t.push(";\n");break;case"Integer":t.push(`int ${s} = `),this.astGeneric(n,t),t.push(";\n")}if(1===r.length&&!r[0].test)return this.astGeneric(r[0].consequent,t),t;let a=!1,o=[],u=!1,l=!1;for(let e=0;ee+1){u=!0,this.astGeneric(r[e].consequent,o);continue}t.push(" else {\n")}this.astGeneric(r[e].consequent,t),t.push("\n}")}return u&&(t.push(" else {"),t.push(o.join("")),t.push("}")),t}astThisExpression(e,t){return t.push("this"),t}astMemberExpression(e,t){const{property:n,name:i,signature:s,origin:a,type:o,xProperty:u,yProperty:l,zProperty:h}=this.getMemberExpressionDetails(e);switch(s){case"value.thread.value":case"this.thread.value":if("x"!==i&&"y"!==i&&"z"!==i)throw this.astErrorOutput("Unexpected expression, expected `this.thread.x`, `this.thread.y`, or `this.thread.z`",e);return t.push(`threadId.${i}`),t;case"this.output.value":if(this.dynamicOutput)switch(i){case"x":this.isState("casting-to-float")?t.push("float(uOutputDim.x)"):t.push("uOutputDim.x");break;case"y":this.isState("casting-to-float")?t.push("float(uOutputDim.y)"):t.push("uOutputDim.y");break;case"z":this.isState("casting-to-float")?t.push("float(uOutputDim.z)"):t.push("uOutputDim.z");break;default:throw this.astErrorOutput("Unexpected expression",e)}else switch(i){case"x":this.isState("casting-to-integer")?t.push(this.output[0]):t.push(this.output[0],".0");break;case"y":this.isState("casting-to-integer")?t.push(this.output[1]):t.push(this.output[1],".0");break;case"z":this.isState("casting-to-integer")?t.push(this.output[2]):t.push(this.output[2],".0");break;default:throw this.astErrorOutput("Unexpected expression",e)}return t;case"value":throw this.astErrorOutput("Unexpected expression",e);case"value[]":case"value[][]":case"value[][][]":case"value[][][][]":case"value.value":if("Math"===a)return t.push(Math[i]),t;const s=r.sanitizeName(i);switch(n){case"r":return t.push(`user_${s}.r`),t;case"g":return t.push(`user_${s}.g`),t;case"b":return t.push(`user_${s}.b`),t;case"a":return t.push(`user_${s}.a`),t}break;case"this.constants.value":if(void 0===u)switch(o){case"Array(2)":case"Array(3)":case"Array(4)":return t.push(`constants_${r.sanitizeName(i)}`),t}case"this.constants.value[]":case"this.constants.value[][]":case"this.constants.value[][][]":case"this.constants.value[][][][]":break;case"fn()[]":return this.astCallExpression(e.object,t),t.push("["),t.push(this.memberExpressionPropertyMarkup(n)),t.push("]"),t;case"fn()[][]":return this.astCallExpression(e.object.object,t),t.push("["),t.push(this.memberExpressionPropertyMarkup(e.object.property)),t.push("]"),t.push("["),t.push(this.memberExpressionPropertyMarkup(e.property)),t.push("]"),t;case"[][]":return this.astArrayExpression(e.object,t),t.push("["),t.push(this.memberExpressionPropertyMarkup(n)),t.push("]"),t;default:throw this.astErrorOutput("Unexpected expression",e)}if(!1===e.computed)switch(o){case"Number":case"Integer":case"Float":case"Boolean":return t.push(`${a}_${r.sanitizeName(i)}`),t}const c=`${a}_${r.sanitizeName(i)}`;switch(o){case"Array(2)":case"Array(3)":case"Array(4)":this.astGeneric(e.object,t),t.push("["),t.push(this.memberExpressionPropertyMarkup(u)),t.push("]");break;case"HTMLImageArray":t.push(`getImage3D(${c}, ${c}Size, ${c}Dim, `),this.memberExpressionXYZ(u,l,h,t),t.push(")");break;case"ArrayTexture(1)":t.push(`getFloatFromSampler2D(${c}, ${c}Size, ${c}Dim, `),this.memberExpressionXYZ(u,l,h,t),t.push(")");break;case"Array1D(2)":case"Array2D(2)":case"Array3D(2)":t.push(`getMemoryOptimizedVec2(${c}, ${c}Size, ${c}Dim, `),this.memberExpressionXYZ(u,l,h,t),t.push(")");break;case"ArrayTexture(2)":t.push(`getVec2FromSampler2D(${c}, ${c}Size, ${c}Dim, `),this.memberExpressionXYZ(u,l,h,t),t.push(")");break;case"Array1D(3)":case"Array2D(3)":case"Array3D(3)":t.push(`getMemoryOptimizedVec3(${c}, ${c}Size, ${c}Dim, `),this.memberExpressionXYZ(u,l,h,t),t.push(")");break;case"ArrayTexture(3)":t.push(`getVec3FromSampler2D(${c}, ${c}Size, ${c}Dim, `),this.memberExpressionXYZ(u,l,h,t),t.push(")");break;case"Array1D(4)":case"Array2D(4)":case"Array3D(4)":t.push(`getMemoryOptimizedVec4(${c}, ${c}Size, ${c}Dim, `),this.memberExpressionXYZ(u,l,h,t),t.push(")");break;case"ArrayTexture(4)":case"HTMLCanvas":case"OffscreenCanvas":case"HTMLImage":case"ImageBitmap":case"ImageData":case"HTMLVideo":t.push(`getVec4FromSampler2D(${c}, ${c}Size, ${c}Dim, `),this.memberExpressionXYZ(u,l,h,t),t.push(")");break;case"NumberTexture":case"Array":case"Array2D":case"Array3D":case"Array4D":case"Input":case"Number":case"Float":case"Integer":if("single"===this.precision)t.push(`getMemoryOptimized32(${c}, ${c}Size, ${c}Dim, `),this.memberExpressionXYZ(u,l,h,t),t.push(")");else{const e="user"===a?this.lookupFunctionArgumentBitRatio(this.name,i):this.constantBitRatios[i];switch(e){case 1:t.push(`get8(${c}, ${c}Size, ${c}Dim, `);break;case 2:t.push(`get16(${c}, ${c}Size, ${c}Dim, `);break;case 4:case 0:t.push(`get32(${c}, ${c}Size, ${c}Dim, `);break;default:throw new Error(`unhandled bit ratio of ${e}`)}this.memberExpressionXYZ(u,l,h,t),t.push(")")}break;case"MemoryOptimizedNumberTexture":t.push(`getMemoryOptimized32(${c}, ${c}Size, ${c}Dim, `),this.memberExpressionXYZ(u,l,h,t),t.push(")");break;case"Matrix(2)":case"Matrix(3)":case"Matrix(4)":t.push(`${c}[${this.memberExpressionPropertyMarkup(l)}]`),l&&t.push(`[${this.memberExpressionPropertyMarkup(u)}]`);break;default:throw new Error(`unhandled member expression "${o}"`)}return t}astCallExpression(e,t){if(!e.callee)throw this.astErrorOutput("Unknown CallExpression",e);let n=null;const i=this.isAstMathFunction(e);if(n=i||e.callee.object&&"ThisExpression"===e.callee.object.type?e.callee.property.name:"SequenceExpression"!==e.callee.type||"Literal"!==e.callee.expressions[0].type||isNaN(e.callee.expressions[0].raw)?e.callee.name:e.callee.expressions[1].property.name,!n)throw this.astErrorOutput("Unhandled function, couldn't find name",e);switch(n){case"pow":n="_pow";break;case"round":n="_round"}if(this.calledFunctions.indexOf(n)<0&&this.calledFunctions.push(n),"random"===n&&this.plugins&&this.plugins.length>0)for(let e=0;e0&&t.push(", "),"Integer"===i)this.castValueToFloat(r,t);else this.astGeneric(r,t)}else{const i=this.lookupFunctionArgumentTypes(n)||[];for(let s=0;s0&&t.push(", ");const u=this.getType(a);switch(o||(this.triggerImplyArgumentType(n,s,u,this),o=u),u){case"Boolean":this.astGeneric(a,t);continue;case"Number":case"Float":if("Integer"===o){t.push("int("),this.astGeneric(a,t),t.push(")");continue}if("Number"===o||"Float"===o){this.astGeneric(a,t);continue}if("LiteralInteger"===o){this.castLiteralToFloat(a,t);continue}break;case"Integer":if("Number"===o||"Float"===o){t.push("float("),this.astGeneric(a,t),t.push(")");continue}if("Integer"===o){this.astGeneric(a,t);continue}break;case"LiteralInteger":if("Integer"===o){this.castLiteralToInteger(a,t);continue}if("Number"===o||"Float"===o){this.castLiteralToFloat(a,t);continue}if("LiteralInteger"===o){this.astGeneric(a,t);continue}break;case"Array(2)":case"Array(3)":case"Array(4)":if(o===u){if("Identifier"===a.type)t.push(`user_${r.sanitizeName(a.name)}`);else{if("ArrayExpression"!==a.type&&"MemberExpression"!==a.type&&"CallExpression"!==a.type)throw this.astErrorOutput(`Unhandled argument type ${a.type}`,e);this.astGeneric(a,t)}continue}break;case"HTMLCanvas":case"OffscreenCanvas":case"HTMLImage":case"ImageBitmap":case"ImageData":case"HTMLImageArray":case"HTMLVideo":case"ArrayTexture(1)":case"ArrayTexture(2)":case"ArrayTexture(3)":case"ArrayTexture(4)":case"Array":case"Input":if(o===u){if("Identifier"!==a.type)throw this.astErrorOutput(`Unhandled argument type ${a.type}`,e);this.triggerImplyArgumentBitRatio(this.name,a.name,n,s);const i=r.sanitizeName(a.name);t.push(`user_${i},user_${i}Size,user_${i}Dim`);continue}}throw this.astErrorOutput(`Unhandled argument combination of ${u} and ${o} for argument named "${a.name}"`,e)}}return t.push(")"),t}astArrayExpression(e,t){const n=this.getType(e),r=e.elements.length;switch(n){case"Matrix(2)":case"Matrix(3)":case"Matrix(4)":t.push(`mat${r}(`);break;default:t.push(`vec${r}(`)}for(let n=0;n0&&t.push(", ");const r=e.elements[n];this.astGeneric(r,t)}return t.push(")"),t}memberExpressionXYZ(e,t,n,r){return n?r.push(this.memberExpressionPropertyMarkup(n),", "):r.push("0, "),t?r.push(this.memberExpressionPropertyMarkup(t),", "):r.push("0, "),r.push(this.memberExpressionPropertyMarkup(e)),r}memberExpressionPropertyMarkup(e){if(!e)throw new Error("Property not set");const t=[];switch(this.getType(e)){case"Number":case"Float":this.castValueToInteger(e,t);break;case"LiteralInteger":this.castLiteralToInteger(e,t);break;default:this.astGeneric(e,t)}return t.join("")}}}},{"../../utils":114,"../function-node":10}],39:[function(e,t,n){const{WebGLKernelValueBoolean:r}=e("./kernel-value/boolean"),{WebGLKernelValueFloat:i}=e("./kernel-value/float"),{WebGLKernelValueInteger:s}=e("./kernel-value/integer"),{WebGLKernelValueHTMLImage:a}=e("./kernel-value/html-image"),{WebGLKernelValueDynamicHTMLImage:o}=e("./kernel-value/dynamic-html-image"),{WebGLKernelValueHTMLVideo:u}=e("./kernel-value/html-video"),{WebGLKernelValueDynamicHTMLVideo:l}=e("./kernel-value/dynamic-html-video"),{WebGLKernelValueSingleInput:h}=e("./kernel-value/single-input"),{WebGLKernelValueDynamicSingleInput:c}=e("./kernel-value/dynamic-single-input"),{WebGLKernelValueUnsignedInput:p}=e("./kernel-value/unsigned-input"),{WebGLKernelValueDynamicUnsignedInput:d}=e("./kernel-value/dynamic-unsigned-input"),{WebGLKernelValueMemoryOptimizedNumberTexture:m}=e("./kernel-value/memory-optimized-number-texture"),{WebGLKernelValueDynamicMemoryOptimizedNumberTexture:f}=e("./kernel-value/dynamic-memory-optimized-number-texture"),{WebGLKernelValueNumberTexture:g}=e("./kernel-value/number-texture"),{WebGLKernelValueDynamicNumberTexture:x}=e("./kernel-value/dynamic-number-texture"),{WebGLKernelValueSingleArray:y}=e("./kernel-value/single-array"),{WebGLKernelValueDynamicSingleArray:b}=e("./kernel-value/dynamic-single-array"),{WebGLKernelValueSingleArray1DI:T}=e("./kernel-value/single-array1d-i"),{WebGLKernelValueDynamicSingleArray1DI:v}=e("./kernel-value/dynamic-single-array1d-i"),{WebGLKernelValueSingleArray2DI:S}=e("./kernel-value/single-array2d-i"),{WebGLKernelValueDynamicSingleArray2DI:A}=e("./kernel-value/dynamic-single-array2d-i"),{WebGLKernelValueSingleArray3DI:_}=e("./kernel-value/single-array3d-i"),{WebGLKernelValueDynamicSingleArray3DI:E}=e("./kernel-value/dynamic-single-array3d-i"),{WebGLKernelValueArray2:w}=e("./kernel-value/array2"),{WebGLKernelValueArray3:k}=e("./kernel-value/array3"),{WebGLKernelValueArray4:I}=e("./kernel-value/array4"),{WebGLKernelValueUnsignedArray:D}=e("./kernel-value/unsigned-array"),{WebGLKernelValueDynamicUnsignedArray:C}=e("./kernel-value/dynamic-unsigned-array"),$={unsigned:{dynamic:{Boolean:r,Integer:s,Float:i,Array:C,"Array(2)":w,"Array(3)":k,"Array(4)":I,"Array1D(2)":!1,"Array1D(3)":!1,"Array1D(4)":!1,"Array2D(2)":!1,"Array2D(3)":!1,"Array2D(4)":!1,"Array3D(2)":!1,"Array3D(3)":!1,"Array3D(4)":!1,Input:d,NumberTexture:x,"ArrayTexture(1)":x,"ArrayTexture(2)":x,"ArrayTexture(3)":x,"ArrayTexture(4)":x,MemoryOptimizedNumberTexture:f,HTMLCanvas:o,OffscreenCanvas:o,HTMLImage:o,ImageBitmap:o,ImageData:o,HTMLImageArray:!1,HTMLVideo:l},static:{Boolean:r,Float:i,Integer:s,Array:D,"Array(2)":w,"Array(3)":k,"Array(4)":I,"Array1D(2)":!1,"Array1D(3)":!1,"Array1D(4)":!1,"Array2D(2)":!1,"Array2D(3)":!1,"Array2D(4)":!1,"Array3D(2)":!1,"Array3D(3)":!1,"Array3D(4)":!1,Input:p,NumberTexture:g,"ArrayTexture(1)":g,"ArrayTexture(2)":g,"ArrayTexture(3)":g,"ArrayTexture(4)":g,MemoryOptimizedNumberTexture:m,HTMLCanvas:a,OffscreenCanvas:a,HTMLImage:a,ImageBitmap:a,ImageData:a,HTMLImageArray:!1,HTMLVideo:u}},single:{dynamic:{Boolean:r,Integer:s,Float:i,Array:b,"Array(2)":w,"Array(3)":k,"Array(4)":I,"Array1D(2)":v,"Array1D(3)":v,"Array1D(4)":v,"Array2D(2)":A,"Array2D(3)":A,"Array2D(4)":A,"Array3D(2)":E,"Array3D(3)":E,"Array3D(4)":E,Input:c,NumberTexture:x,"ArrayTexture(1)":x,"ArrayTexture(2)":x,"ArrayTexture(3)":x,"ArrayTexture(4)":x,MemoryOptimizedNumberTexture:f,HTMLCanvas:o,OffscreenCanvas:o,HTMLImage:o,ImageBitmap:o,ImageData:o,HTMLImageArray:!1,HTMLVideo:l},static:{Boolean:r,Float:i,Integer:s,Array:y,"Array(2)":w,"Array(3)":k,"Array(4)":I,"Array1D(2)":T,"Array1D(3)":T,"Array1D(4)":T,"Array2D(2)":S,"Array2D(3)":S,"Array2D(4)":S,"Array3D(2)":_,"Array3D(3)":_,"Array3D(4)":_,Input:h,NumberTexture:g,"ArrayTexture(1)":g,"ArrayTexture(2)":g,"ArrayTexture(3)":g,"ArrayTexture(4)":g,MemoryOptimizedNumberTexture:m,HTMLCanvas:a,OffscreenCanvas:a,HTMLImage:a,ImageBitmap:a,ImageData:a,HTMLImageArray:!1,HTMLVideo:u}}};t.exports={lookupKernelValueType:function(e,t,n,r){if(!e)throw new Error("type missing");if(!t)throw new Error("dynamic missing");if(!n)throw new Error("precision missing");r.type&&(e=r.type);const i=$[n][t];if(!1===i[e])return null;if(void 0===i[e])throw new Error(`Could not find a KernelValue for ${e}`);return i[e]},kernelValueMaps:$}},{"./kernel-value/array2":41,"./kernel-value/array3":42,"./kernel-value/array4":43,"./kernel-value/boolean":44,"./kernel-value/dynamic-html-image":45,"./kernel-value/dynamic-html-video":46,"./kernel-value/dynamic-memory-optimized-number-texture":47,"./kernel-value/dynamic-number-texture":48,"./kernel-value/dynamic-single-array":49,"./kernel-value/dynamic-single-array1d-i":50,"./kernel-value/dynamic-single-array2d-i":51,"./kernel-value/dynamic-single-array3d-i":52,"./kernel-value/dynamic-single-input":53,"./kernel-value/dynamic-unsigned-array":54,"./kernel-value/dynamic-unsigned-input":55,"./kernel-value/float":56,"./kernel-value/html-image":57,"./kernel-value/html-video":58,"./kernel-value/integer":60,"./kernel-value/memory-optimized-number-texture":61,"./kernel-value/number-texture":62,"./kernel-value/single-array":63,"./kernel-value/single-array1d-i":64,"./kernel-value/single-array2d-i":65,"./kernel-value/single-array3d-i":66,"./kernel-value/single-input":67,"./kernel-value/unsigned-array":68,"./kernel-value/unsigned-input":69}],40:[function(e,t,n){const{WebGLKernelValue:r}=e("./index"),{Input:i}=e("../../../input");t.exports={WebGLKernelArray:class extends r{checkSize(e,t){if(!this.kernel.validate)return;const{maxTextureSize:n}=this.kernel.constructor.features;if(e>n||t>n)throw e>t?new Error(`Argument texture width of ${e} larger than maximum size of ${n} for your GPUX`):ee===r.name))&&t.push(r)}return t}initExtensions(){this.extensions={OES_texture_float:this.context.getExtension("OES_texture_float"),OES_texture_float_linear:this.context.getExtension("OES_texture_float_linear"),OES_element_index_uint:this.context.getExtension("OES_element_index_uint"),WEBGL_draw_buffers:this.context.getExtension("WEBGL_draw_buffers"),WEBGL_color_buffer_float:this.context.getExtension("WEBGL_color_buffer_float")}}validateSettings(e){if(!this.validate)return void(this.texSize=a.getKernelTextureSize({optimizeFloatMemory:this.optimizeFloatMemory,precision:this.precision},this.output));const{features:t}=this.constructor;if(!0===this.optimizeFloatMemory&&!t.isTextureFloat)throw new Error("Float textures are not supported");if("single"===this.precision&&!t.isFloatRead)throw new Error("Single precision not supported");if(!this.graphical&&null===this.precision&&t.isTextureFloat&&(this.precision=t.isFloatRead?"single":"unsigned"),this.subKernels&&this.subKernels.length>0&&!this.extensions.WEBGL_draw_buffers)throw new Error("could not instantiate draw buffers extension");if(null===this.fixIntegerDivisionAccuracy?this.fixIntegerDivisionAccuracy=!t.isIntegerDivisionAccurate:this.fixIntegerDivisionAccuracy&&t.isIntegerDivisionAccurate&&(this.fixIntegerDivisionAccuracy=!1),this.checkOutput(),!this.output||0===this.output.length){if(1!==e.length)throw new Error("Auto output only supported for kernels with only one input");const t=a.getVariableType(e[0],this.strictIntegers);switch(t){case"Array":this.output=a.getDimensions(t);break;case"NumberTexture":case"MemoryOptimizedNumberTexture":case"ArrayTexture(1)":case"ArrayTexture(2)":case"ArrayTexture(3)":case"ArrayTexture(4)":this.output=e[0].output;break;default:throw new Error("Auto output not supported for input type: "+t)}}if(this.graphical){if(2!==this.output.length)throw new Error("Output must have 2 dimensions on graphical mode");return"precision"===this.precision&&(this.precision="unsigned",console.warn("Cannot use graphical mode and single precision at the same time")),void(this.texSize=a.clone(this.output))}null===this.precision&&t.isTextureFloat&&(this.precision="single"),this.texSize=a.getKernelTextureSize({optimizeFloatMemory:this.optimizeFloatMemory,precision:this.precision},this.output),this.checkTextureSize()}updateMaxTexSize(){const{texSize:e,canvas:t}=this;if(null===this.maxTexSize){let n=y.indexOf(t);-1===n&&(n=y.length,y.push(t),b[n]=[e[0],e[1]]),this.maxTexSize=b[n]}this.maxTexSize[0]this.argumentNames.length)throw new Error("too many arguments for kernel");const{context:n}=this;let r=0;const i=()=>this.createTexture(),s=()=>this.constantTextureCount+r++,o=e=>{this.switchKernels({type:"argumentMismatch",needed:e})},u=()=>n.TEXTURE0+this.constantTextureCount+this.argumentTextureCount++;for(let r=0;rthis.createTexture(),onRequestIndex:()=>r++,onRequestContextHandle:()=>t.TEXTURE0+this.constantTextureCount++});this.constantBitRatios[i]=l.bitRatio,this.kernelConstants.push(l),l.setup(),l.forceUploadEachRun&&this.forceUploadKernelConstants.push(l)}}build(){if(this.built)return;if(this.initExtensions(),this.validateSettings(arguments),this.setupConstants(arguments),this.fallbackRequested)return;if(this.setupArguments(arguments),this.fallbackRequested)return;this.updateMaxTexSize(),this.translateSource();const e=this.pickRenderStrategy(arguments);if(e)return e;const{texSize:t,context:n,canvas:r}=this;n.enable(n.SCISSOR_TEST),this.pipeline&&this.precision,n.viewport(0,0,this.maxTexSize[0],this.maxTexSize[1]),r.width=this.maxTexSize[0],r.height=this.maxTexSize[1];const i=this.threadDim=Array.from(this.output);for(;i.length<3;)i.push(1);const s=this.getVertexShader(arguments),a=n.createShader(n.VERTEX_SHADER);n.shaderSource(a,s),n.compileShader(a),this.vertShader=a;const o=this.getFragmentShader(arguments),u=n.createShader(n.FRAGMENT_SHADER);if(n.shaderSource(u,o),n.compileShader(u),this.fragShader=u,this.debug&&(console.log("GLSL Shader Output:"),console.log(o)),!n.getShaderParameter(a,n.COMPILE_STATUS))throw new Error("Error compiling vertex shader: "+n.getShaderInfoLog(a));if(!n.getShaderParameter(u,n.COMPILE_STATUS))throw new Error("Error compiling fragment shader: "+n.getShaderInfoLog(u));const l=this.program=n.createProgram();n.attachShader(l,a),n.attachShader(l,u),n.linkProgram(l),this.framebuffer=n.createFramebuffer(),this.framebuffer.width=t[0],this.framebuffer.height=t[1],this.rawValueFramebuffers={};const h=new Float32Array([-1,-1,1,-1,-1,1,1,1]),c=new Float32Array([0,0,1,0,0,1,1,1]),p=h.byteLength;let d=this.buffer;d?n.bindBuffer(n.ARRAY_BUFFER,d):(d=this.buffer=n.createBuffer(),n.bindBuffer(n.ARRAY_BUFFER,d),n.bufferData(n.ARRAY_BUFFER,h.byteLength+c.byteLength,n.STATIC_DRAW)),n.bufferSubData(n.ARRAY_BUFFER,0,h),n.bufferSubData(n.ARRAY_BUFFER,p,c);const m=n.getAttribLocation(this.program,"aPos");n.enableVertexAttribArray(m),n.vertexAttribPointer(m,2,n.FLOAT,!1,0,0);const f=n.getAttribLocation(this.program,"aTexCoord");n.enableVertexAttribArray(f),n.vertexAttribPointer(f,2,n.FLOAT,!1,0,p),n.bindFramebuffer(n.FRAMEBUFFER,this.framebuffer);let g=0;n.useProgram(this.program);for(let e in this.constants)this.kernelConstants[g++].updateValue(this.constants[e]);this._setupOutputTexture(),null!==this.subKernels&&this.subKernels.length>0&&(this._mappedTextureSwitched={},this._setupSubOutputTextures()),this.buildSignature(arguments),this.built=!0}translateSource(){const e=i.fromKernel(this,s,{fixIntegerDivisionAccuracy:this.fixIntegerDivisionAccuracy});this.translatedSource=e.getPrototypeString("kernel"),this.setupReturnTypes(e)}setupReturnTypes(e){if(this.graphical||this.returnType||(this.returnType=e.getKernelResultType()),this.subKernels&&this.subKernels.length>0)for(let t=0;te.source&&this.source.match(e.functionMatch)?e.source:"")).join("\n"):"\n"}_getConstantsString(){const e=[],{threadDim:t,texSize:n}=this;return this.dynamicOutput?e.push("uniform ivec3 uOutputDim","uniform ivec2 uTexSize"):e.push(`ivec3 uOutputDim = ivec3(${t[0]}, ${t[1]}, ${t[2]})`,`ivec2 uTexSize = ivec2(${n[0]}, ${n[1]})`),a.linesToString(e)}_getTextureCoordinate(){const e=this.subKernels;return null===e||e.length<1?"varying vec2 vTexCoord;\n":"out vec2 vTexCoord;\n"}_getDecode32EndiannessString(){return"LE"===this.endianness?"":" texel.rgba = texel.abgr;\n"}_getEncode32EndiannessString(){return"LE"===this.endianness?"":" texel.rgba = texel.abgr;\n"}_getDivideWithIntegerCheckString(){return this.fixIntegerDivisionAccuracy?"float divWithIntCheck(float x, float y) {\n if (floor(x) == x && floor(y) == y && integerMod(x, y) == 0.0) {\n return float(int(x) / int(y));\n }\n return x / y;\n}\n\nfloat integerCorrectionModulo(float number, float divisor) {\n if (number < 0.0) {\n number = abs(number);\n if (divisor < 0.0) {\n divisor = abs(divisor);\n }\n return -(number - (divisor * floor(divWithIntCheck(number, divisor))));\n }\n if (divisor < 0.0) {\n divisor = abs(divisor);\n }\n return number - (divisor * floor(divWithIntCheck(number, divisor)));\n}":""}_getMainArgumentsString(e){const t=[],{argumentNames:n}=this;for(let r=0;r{if(t.hasOwnProperty(n))return t[n];throw`unhandled artifact ${n}`}))}getFragmentShader(e){return null!==this.compiledFragmentShader?this.compiledFragmentShader:this.compiledFragmentShader=this.replaceArtifacts(this.constructor.fragmentShader,this._getFragShaderArtifactMap(e))}getVertexShader(e){return null!==this.compiledVertexShader?this.compiledVertexShader:this.compiledVertexShader=this.replaceArtifacts(this.constructor.vertexShader,this._getVertShaderArtifactMap(e))}toString(){const e=a.linesToString(["const gl = context"]);return h(this.constructor,arguments,this,e)}destroy(e){if(!this.context)return;this.buffer&&this.context.deleteBuffer(this.buffer),this.framebuffer&&this.context.deleteFramebuffer(this.framebuffer);for(const e in this.rawValueFramebuffers){for(const t in this.rawValueFramebuffers[e])this.context.deleteFramebuffer(this.rawValueFramebuffers[e][t]),delete this.rawValueFramebuffers[e][t];delete this.rawValueFramebuffers[e]}if(this.vertShader&&this.context.deleteShader(this.vertShader),this.fragShader&&this.context.deleteShader(this.fragShader),this.program&&this.context.deleteProgram(this.program),this.texture){this.texture.delete();const e=this.textureCache.indexOf(this.texture.texture);e>-1&&this.textureCache.splice(e,1),this.texture=null}if(this.mappedTextures&&this.mappedTextures.length){for(let e=0;e-1&&this.textureCache.splice(n,1)}this.mappedTextures=null}if(this.kernelArguments)for(let e=0;e0;){const e=this.textureCache.pop();this.context.deleteTexture(e)}if(e){const e=y.indexOf(this.canvas);e>=0&&(y[e]=null,b[e]=null)}if(this.destroyExtensions(),delete this.context,delete this.canvas,!this.gpu)return;const t=this.gpu.kernels.indexOf(this);-1!==t&&this.gpu.kernels.splice(t,1)}destroyExtensions(){this.extensions.OES_texture_float=null,this.extensions.OES_texture_float_linear=null,this.extensions.OES_element_index_uint=null,this.extensions.WEBGL_draw_buffers=null}static destroyContext(e){const t=e.getExtension("WEBGL_lose_context");t&&t.loseContext()}toJSON(){const e=super.toJSON();return e.functionNodes=i.fromKernel(this,s).toJSON(),e.settings.threadDim=this.threadDim,e}}}},{"../../plugins/math-random-uniformly-distributed":112,"../../utils":114,"../function-builder":9,"../gl/kernel":13,"../gl/kernel-string":12,"./fragment-shader":37,"./function-node":38,"./kernel-value-maps":39,"./vertex-shader":71}],71:[function(e,t,n){t.exports={vertexShader:"__FLOAT_TACTIC_DECLARATION__;\n__INT_TACTIC_DECLARATION__;\n__SAMPLER_2D_TACTIC_DECLARATION__;\n\nattribute vec2 aPos;\nattribute vec2 aTexCoord;\n\nvarying vec2 vTexCoord;\nuniform vec2 ratio;\n\nvoid main(void) {\n gl_Position = vec4((aPos + vec2(1)) * ratio + vec2(-1), 0, 1);\n vTexCoord = aTexCoord;\n}"}},{}],72:[function(e,t,n){const r=`#version 300 es\n__HEADER__;\n__FLOAT_TACTIC_DECLARATION__;\n__INT_TACTIC_DECLARATION__;\n__SAMPLER_2D_TACTIC_DECLARATION__;\n__SAMPLER_2D_ARRAY_TACTIC_DECLARATION__;\n\nconst int LOOP_MAX = __LOOP_MAX__;\n\n__PLUGINS__;\n__CONSTANTS__;\n\nin vec2 vTexCoord;\n\nfloat atan2(float v1, float v2) {\n if (v1 == 0.0 || v2 == 0.0) return 0.0;\n return atan(v1 / v2);\n}\n\nfloat cbrt(float x) {\n if (x >= 0.0) {\n return pow(x, 1.0 / 3.0);\n } else {\n return -pow(x, 1.0 / 3.0);\n }\n}\n\nfloat expm1(float x) {\n return pow(${Math.E}, x) - 1.0; \n}\n\nfloat fround(highp float x) {\n return x;\n}\n\nfloat imul(float v1, float v2) {\n return float(int(v1) * int(v2));\n}\n\nfloat log10(float x) {\n return log2(x) * (1.0 / log2(10.0));\n}\n\nfloat log1p(float x) {\n return log(1.0 + x);\n}\n\nfloat _pow(float v1, float v2) {\n if (v2 == 0.0) return 1.0;\n return pow(v1, v2);\n}\n\nfloat _round(float x) {\n return floor(x + 0.5);\n}\n\n\nconst int BIT_COUNT = 32;\nint modi(int x, int y) {\n return x - y * (x / y);\n}\n\nint bitwiseOr(int a, int b) {\n int result = 0;\n int n = 1;\n \n for (int i = 0; i < BIT_COUNT; i++) {\n if ((modi(a, 2) == 1) || (modi(b, 2) == 1)) {\n result += n;\n }\n a = a / 2;\n b = b / 2;\n n = n * 2;\n if(!(a > 0 || b > 0)) {\n break;\n }\n }\n return result;\n}\nint bitwiseXOR(int a, int b) {\n int result = 0;\n int n = 1;\n \n for (int i = 0; i < BIT_COUNT; i++) {\n if ((modi(a, 2) == 1) != (modi(b, 2) == 1)) {\n result += n;\n }\n a = a / 2;\n b = b / 2;\n n = n * 2;\n if(!(a > 0 || b > 0)) {\n break;\n }\n }\n return result;\n}\nint bitwiseAnd(int a, int b) {\n int result = 0;\n int n = 1;\n for (int i = 0; i < BIT_COUNT; i++) {\n if ((modi(a, 2) == 1) && (modi(b, 2) == 1)) {\n result += n;\n }\n a = a / 2;\n b = b / 2;\n n = n * 2;\n if(!(a > 0 && b > 0)) {\n break;\n }\n }\n return result;\n}\nint bitwiseNot(int a) {\n int result = 0;\n int n = 1;\n \n for (int i = 0; i < BIT_COUNT; i++) {\n if (modi(a, 2) == 0) {\n result += n; \n }\n a = a / 2;\n n = n * 2;\n }\n return result;\n}\nint bitwiseZeroFillLeftShift(int n, int shift) {\n int maxBytes = BIT_COUNT;\n for (int i = 0; i < BIT_COUNT; i++) {\n if (maxBytes >= n) {\n break;\n }\n maxBytes *= 2;\n }\n for (int i = 0; i < BIT_COUNT; i++) {\n if (i >= shift) {\n break;\n }\n n *= 2;\n }\n\n int result = 0;\n int byteVal = 1;\n for (int i = 0; i < BIT_COUNT; i++) {\n if (i >= maxBytes) break;\n if (modi(n, 2) > 0) { result += byteVal; }\n n = int(n / 2);\n byteVal *= 2;\n }\n return result;\n}\n\nint bitwiseSignedRightShift(int num, int shifts) {\n return int(floor(float(num) / pow(2.0, float(shifts))));\n}\n\nint bitwiseZeroFillRightShift(int n, int shift) {\n int maxBytes = BIT_COUNT;\n for (int i = 0; i < BIT_COUNT; i++) {\n if (maxBytes >= n) {\n break;\n }\n maxBytes *= 2;\n }\n for (int i = 0; i < BIT_COUNT; i++) {\n if (i >= shift) {\n break;\n }\n n /= 2;\n }\n int result = 0;\n int byteVal = 1;\n for (int i = 0; i < BIT_COUNT; i++) {\n if (i >= maxBytes) break;\n if (modi(n, 2) > 0) { result += byteVal; }\n n = int(n / 2);\n byteVal *= 2;\n }\n return result;\n}\n\nvec2 integerMod(vec2 x, float y) {\n vec2 res = floor(mod(x, y));\n return res * step(1.0 - floor(y), -res);\n}\n\nvec3 integerMod(vec3 x, float y) {\n vec3 res = floor(mod(x, y));\n return res * step(1.0 - floor(y), -res);\n}\n\nvec4 integerMod(vec4 x, vec4 y) {\n vec4 res = floor(mod(x, y));\n return res * step(1.0 - floor(y), -res);\n}\n\nfloat integerMod(float x, float y) {\n float res = floor(mod(x, y));\n return res * (res > floor(y) - 1.0 ? 0.0 : 1.0);\n}\n\nint integerMod(int x, int y) {\n return x - (y * int(x/y));\n}\n\n__DIVIDE_WITH_INTEGER_CHECK__;\n\n// Here be dragons!\n// DO NOT OPTIMIZE THIS CODE\n// YOU WILL BREAK SOMETHING ON SOMEBODY'S MACHINE\n// LEAVE IT AS IT IS, LEST YOU WASTE YOUR OWN TIME\nconst vec2 MAGIC_VEC = vec2(1.0, -256.0);\nconst vec4 SCALE_FACTOR = vec4(1.0, 256.0, 65536.0, 0.0);\nconst vec4 SCALE_FACTOR_INV = vec4(1.0, 0.00390625, 0.0000152587890625, 0.0); // 1, 1/256, 1/65536\nfloat decode32(vec4 texel) {\n __DECODE32_ENDIANNESS__;\n texel *= 255.0;\n vec2 gte128;\n gte128.x = texel.b >= 128.0 ? 1.0 : 0.0;\n gte128.y = texel.a >= 128.0 ? 1.0 : 0.0;\n float exponent = 2.0 * texel.a - 127.0 + dot(gte128, MAGIC_VEC);\n float res = exp2(round(exponent));\n texel.b = texel.b - 128.0 * gte128.x;\n res = dot(texel, SCALE_FACTOR) * exp2(round(exponent-23.0)) + res;\n res *= gte128.y * -2.0 + 1.0;\n return res;\n}\n\nfloat decode16(vec4 texel, int index) {\n int channel = integerMod(index, 2);\n return texel[channel*2] * 255.0 + texel[channel*2 + 1] * 65280.0;\n}\n\nfloat decode8(vec4 texel, int index) {\n int channel = integerMod(index, 4);\n return texel[channel] * 255.0;\n}\n\nvec4 legacyEncode32(float f) {\n float F = abs(f);\n float sign = f < 0.0 ? 1.0 : 0.0;\n float exponent = floor(log2(F));\n float mantissa = (exp2(-exponent) * F);\n // exponent += floor(log2(mantissa));\n vec4 texel = vec4(F * exp2(23.0-exponent)) * SCALE_FACTOR_INV;\n texel.rg = integerMod(texel.rg, 256.0);\n texel.b = integerMod(texel.b, 128.0);\n texel.a = exponent*0.5 + 63.5;\n texel.ba += vec2(integerMod(exponent+127.0, 2.0), sign) * 128.0;\n texel = floor(texel);\n texel *= 0.003921569; // 1/255\n __ENCODE32_ENDIANNESS__;\n return texel;\n}\n\n// https://github.com/gpujs/gpu.js/wiki/Encoder-details\nvec4 encode32(float value) {\n if (value == 0.0) return vec4(0, 0, 0, 0);\n\n float exponent;\n float mantissa;\n vec4 result;\n float sgn;\n\n sgn = step(0.0, -value);\n value = abs(value);\n\n exponent = floor(log2(value));\n\n mantissa = value*pow(2.0, -exponent)-1.0;\n exponent = exponent+127.0;\n result = vec4(0,0,0,0);\n\n result.a = floor(exponent/2.0);\n exponent = exponent - result.a*2.0;\n result.a = result.a + 128.0*sgn;\n\n result.b = floor(mantissa * 128.0);\n mantissa = mantissa - result.b / 128.0;\n result.b = result.b + exponent*128.0;\n\n result.g = floor(mantissa*32768.0);\n mantissa = mantissa - result.g/32768.0;\n\n result.r = floor(mantissa*8388608.0);\n return result/255.0;\n}\n// Dragons end here\n\nint index;\nivec3 threadId;\n\nivec3 indexTo3D(int idx, ivec3 texDim) {\n int z = int(idx / (texDim.x * texDim.y));\n idx -= z * int(texDim.x * texDim.y);\n int y = int(idx / texDim.x);\n int x = int(integerMod(idx, texDim.x));\n return ivec3(x, y, z);\n}\n\nfloat get32(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture(tex, st / vec2(texSize));\n return decode32(texel);\n}\n\nfloat get16(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + (texDim.x * (y + (texDim.y * z)));\n int w = texSize.x * 2;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture(tex, st / vec2(texSize.x * 2, texSize.y));\n return decode16(texel, index);\n}\n\nfloat get8(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + (texDim.x * (y + (texDim.y * z)));\n int w = texSize.x * 4;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture(tex, st / vec2(texSize.x * 4, texSize.y));\n return decode8(texel, index);\n}\n\nfloat getMemoryOptimized32(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + (texDim.x * (y + (texDim.y * z)));\n int channel = integerMod(index, 4);\n index = index / 4;\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n index = index / 4;\n vec4 texel = texture(tex, st / vec2(texSize));\n return texel[channel];\n}\n\nvec4 getImage2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n return texture(tex, st / vec2(texSize));\n}\n\nvec4 getImage3D(sampler2DArray tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n return texture(tex, vec3(st / vec2(texSize), z));\n}\n\nfloat getFloatFromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n vec4 result = getImage2D(tex, texSize, texDim, z, y, x);\n return result[0];\n}\n\nvec2 getVec2FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n vec4 result = getImage2D(tex, texSize, texDim, z, y, x);\n return vec2(result[0], result[1]);\n}\n\nvec2 getMemoryOptimizedVec2(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int channel = integerMod(index, 2);\n index = index / 2;\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture(tex, st / vec2(texSize));\n if (channel == 0) return vec2(texel.r, texel.g);\n if (channel == 1) return vec2(texel.b, texel.a);\n return vec2(0.0, 0.0);\n}\n\nvec3 getVec3FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n vec4 result = getImage2D(tex, texSize, texDim, z, y, x);\n return vec3(result[0], result[1], result[2]);\n}\n\nvec3 getMemoryOptimizedVec3(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int fieldIndex = 3 * (x + texDim.x * (y + texDim.y * z));\n int vectorIndex = fieldIndex / 4;\n int vectorOffset = fieldIndex - vectorIndex * 4;\n int readY = vectorIndex / texSize.x;\n int readX = vectorIndex - readY * texSize.x;\n vec4 tex1 = texture(tex, (vec2(readX, readY) + 0.5) / vec2(texSize));\n\n if (vectorOffset == 0) {\n return tex1.xyz;\n } else if (vectorOffset == 1) {\n return tex1.yzw;\n } else {\n readX++;\n if (readX >= texSize.x) {\n readX = 0;\n readY++;\n }\n vec4 tex2 = texture(tex, vec2(readX, readY) / vec2(texSize));\n if (vectorOffset == 2) {\n return vec3(tex1.z, tex1.w, tex2.x);\n } else {\n return vec3(tex1.w, tex2.x, tex2.y);\n }\n }\n}\n\nvec4 getVec4FromSampler2D(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n return getImage2D(tex, texSize, texDim, z, y, x);\n}\n\nvec4 getMemoryOptimizedVec4(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {\n int index = x + texDim.x * (y + texDim.y * z);\n int channel = integerMod(index, 2);\n int w = texSize.x;\n vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;\n vec4 texel = texture(tex, st / vec2(texSize));\n return vec4(texel.r, texel.g, texel.b, texel.a);\n}\n\nvec4 actualColor;\nvoid color(float r, float g, float b, float a) {\n actualColor = vec4(r,g,b,a);\n}\n\nvoid color(float r, float g, float b) {\n color(r,g,b,1.0);\n}\n\nfloat modulo(float number, float divisor) {\n if (number < 0.0) {\n number = abs(number);\n if (divisor < 0.0) {\n divisor = abs(divisor);\n }\n return -mod(number, divisor);\n }\n if (divisor < 0.0) {\n divisor = abs(divisor);\n }\n return mod(number, divisor);\n}\n\n__INJECTED_NATIVE__;\n__MAIN_CONSTANTS__;\n__MAIN_ARGUMENTS__;\n__KERNEL__;\n\nvoid main(void) {\n index = int(vTexCoord.s * float(uTexSize.x)) + int(vTexCoord.t * float(uTexSize.y)) * uTexSize.x;\n __MAIN_RESULT__;\n}`;t.exports={fragmentShader:r}},{}],73:[function(e,t,n){const{utils:r}=e("../../utils"),{WebGLFunctionNode:i}=e("../web-gl/function-node");t.exports={WebGL2FunctionNode:class extends i{astIdentifierExpression(e,t){if("Identifier"!==e.type)throw this.astErrorOutput("IdentifierExpression - not an Identifier",e);const n=this.getType(e),i=r.sanitizeName(e.name);return"Infinity"===e.name?t.push("intBitsToFloat(2139095039)"):"Boolean"===n&&this.argumentNames.indexOf(i)>-1?t.push(`bool(user_${i})`):t.push(`user_${i}`),t}}}},{"../../utils":114,"../web-gl/function-node":38}],74:[function(e,t,n){const{WebGL2KernelValueBoolean:r}=e("./kernel-value/boolean"),{WebGL2KernelValueFloat:i}=e("./kernel-value/float"),{WebGL2KernelValueInteger:s}=e("./kernel-value/integer"),{WebGL2KernelValueHTMLImage:a}=e("./kernel-value/html-image"),{WebGL2KernelValueDynamicHTMLImage:o}=e("./kernel-value/dynamic-html-image"),{WebGL2KernelValueHTMLImageArray:u}=e("./kernel-value/html-image-array"),{WebGL2KernelValueDynamicHTMLImageArray:l}=e("./kernel-value/dynamic-html-image-array"),{WebGL2KernelValueHTMLVideo:h}=e("./kernel-value/html-video"),{WebGL2KernelValueDynamicHTMLVideo:c}=e("./kernel-value/dynamic-html-video"),{WebGL2KernelValueSingleInput:p}=e("./kernel-value/single-input"),{WebGL2KernelValueDynamicSingleInput:d}=e("./kernel-value/dynamic-single-input"),{WebGL2KernelValueUnsignedInput:m}=e("./kernel-value/unsigned-input"),{WebGL2KernelValueDynamicUnsignedInput:f}=e("./kernel-value/dynamic-unsigned-input"),{WebGL2KernelValueMemoryOptimizedNumberTexture:g}=e("./kernel-value/memory-optimized-number-texture"),{WebGL2KernelValueDynamicMemoryOptimizedNumberTexture:x}=e("./kernel-value/dynamic-memory-optimized-number-texture"),{WebGL2KernelValueNumberTexture:y}=e("./kernel-value/number-texture"),{WebGL2KernelValueDynamicNumberTexture:b}=e("./kernel-value/dynamic-number-texture"),{WebGL2KernelValueSingleArray:T}=e("./kernel-value/single-array"),{WebGL2KernelValueDynamicSingleArray:v}=e("./kernel-value/dynamic-single-array"),{WebGL2KernelValueSingleArray1DI:S}=e("./kernel-value/single-array1d-i"),{WebGL2KernelValueDynamicSingleArray1DI:A}=e("./kernel-value/dynamic-single-array1d-i"),{WebGL2KernelValueSingleArray2DI:_}=e("./kernel-value/single-array2d-i"),{WebGL2KernelValueDynamicSingleArray2DI:E}=e("./kernel-value/dynamic-single-array2d-i"),{WebGL2KernelValueSingleArray3DI:w}=e("./kernel-value/single-array3d-i"),{WebGL2KernelValueDynamicSingleArray3DI:k}=e("./kernel-value/dynamic-single-array3d-i"),{WebGL2KernelValueArray2:I}=e("./kernel-value/array2"),{WebGL2KernelValueArray3:D}=e("./kernel-value/array3"),{WebGL2KernelValueArray4:C}=e("./kernel-value/array4"),{WebGL2KernelValueUnsignedArray:$}=e("./kernel-value/unsigned-array"),{WebGL2KernelValueDynamicUnsignedArray:L}=e("./kernel-value/dynamic-unsigned-array"),R={unsigned:{dynamic:{Boolean:r,Integer:s,Float:i,Array:L,"Array(2)":I,"Array(3)":D,"Array(4)":C,"Array1D(2)":!1,"Array1D(3)":!1,"Array1D(4)":!1,"Array2D(2)":!1,"Array2D(3)":!1,"Array2D(4)":!1,"Array3D(2)":!1,"Array3D(3)":!1,"Array3D(4)":!1,Input:f,NumberTexture:b,"ArrayTexture(1)":b,"ArrayTexture(2)":b,"ArrayTexture(3)":b,"ArrayTexture(4)":b,MemoryOptimizedNumberTexture:x,HTMLCanvas:o,OffscreenCanvas:o,HTMLImage:o,ImageBitmap:o,ImageData:o,HTMLImageArray:l,HTMLVideo:c},static:{Boolean:r,Float:i,Integer:s,Array:$,"Array(2)":I,"Array(3)":D,"Array(4)":C,"Array1D(2)":!1,"Array1D(3)":!1,"Array1D(4)":!1,"Array2D(2)":!1,"Array2D(3)":!1,"Array2D(4)":!1,"Array3D(2)":!1,"Array3D(3)":!1,"Array3D(4)":!1,Input:m,NumberTexture:y,"ArrayTexture(1)":y,"ArrayTexture(2)":y,"ArrayTexture(3)":y,"ArrayTexture(4)":y,MemoryOptimizedNumberTexture:x,HTMLCanvas:a,OffscreenCanvas:a,HTMLImage:a,ImageBitmap:a,ImageData:a,HTMLImageArray:u,HTMLVideo:h}},single:{dynamic:{Boolean:r,Integer:s,Float:i,Array:v,"Array(2)":I,"Array(3)":D,"Array(4)":C,"Array1D(2)":A,"Array1D(3)":A,"Array1D(4)":A,"Array2D(2)":E,"Array2D(3)":E,"Array2D(4)":E,"Array3D(2)":k,"Array3D(3)":k,"Array3D(4)":k,Input:d,NumberTexture:b,"ArrayTexture(1)":b,"ArrayTexture(2)":b,"ArrayTexture(3)":b,"ArrayTexture(4)":b,MemoryOptimizedNumberTexture:x,HTMLCanvas:o,OffscreenCanvas:o,HTMLImage:o,ImageBitmap:o,ImageData:o,HTMLImageArray:l,HTMLVideo:c},static:{Boolean:r,Float:i,Integer:s,Array:T,"Array(2)":I,"Array(3)":D,"Array(4)":C,"Array1D(2)":S,"Array1D(3)":S,"Array1D(4)":S,"Array2D(2)":_,"Array2D(3)":_,"Array2D(4)":_,"Array3D(2)":w,"Array3D(3)":w,"Array3D(4)":w,Input:p,NumberTexture:y,"ArrayTexture(1)":y,"ArrayTexture(2)":y,"ArrayTexture(3)":y,"ArrayTexture(4)":y,MemoryOptimizedNumberTexture:g,HTMLCanvas:a,OffscreenCanvas:a,HTMLImage:a,ImageBitmap:a,ImageData:a,HTMLImageArray:u,HTMLVideo:h}}};t.exports={kernelValueMaps:R,lookupKernelValueType:function(e,t,n,r){if(!e)throw new Error("type missing");if(!t)throw new Error("dynamic missing");if(!n)throw new Error("precision missing");r.type&&(e=r.type);const i=R[n][t];if(!1===i[e])return null;if(void 0===i[e])throw new Error(`Could not find a KernelValue for ${e}`);return i[e]}}},{"./kernel-value/array2":75,"./kernel-value/array3":76,"./kernel-value/array4":77,"./kernel-value/boolean":78,"./kernel-value/dynamic-html-image":80,"./kernel-value/dynamic-html-image-array":79,"./kernel-value/dynamic-html-video":81,"./kernel-value/dynamic-memory-optimized-number-texture":82,"./kernel-value/dynamic-number-texture":83,"./kernel-value/dynamic-single-array":84,"./kernel-value/dynamic-single-array1d-i":85,"./kernel-value/dynamic-single-array2d-i":86,"./kernel-value/dynamic-single-array3d-i":87,"./kernel-value/dynamic-single-input":88,"./kernel-value/dynamic-unsigned-array":89,"./kernel-value/dynamic-unsigned-input":90,"./kernel-value/float":91,"./kernel-value/html-image":93,"./kernel-value/html-image-array":92,"./kernel-value/html-video":94,"./kernel-value/integer":95,"./kernel-value/memory-optimized-number-texture":96,"./kernel-value/number-texture":97,"./kernel-value/single-array":98,"./kernel-value/single-array1d-i":99,"./kernel-value/single-array2d-i":100,"./kernel-value/single-array3d-i":101,"./kernel-value/single-input":102,"./kernel-value/unsigned-array":103,"./kernel-value/unsigned-input":104}],75:[function(e,t,n){const{WebGLKernelValueArray2:r}=e("../../web-gl/kernel-value/array2");t.exports={WebGL2KernelValueArray2:class extends r{}}},{"../../web-gl/kernel-value/array2":41}],76:[function(e,t,n){const{WebGLKernelValueArray3:r}=e("../../web-gl/kernel-value/array3");t.exports={WebGL2KernelValueArray3:class extends r{}}},{"../../web-gl/kernel-value/array3":42}],77:[function(e,t,n){const{WebGLKernelValueArray4:r}=e("../../web-gl/kernel-value/array4");t.exports={WebGL2KernelValueArray4:class extends r{}}},{"../../web-gl/kernel-value/array4":43}],78:[function(e,t,n){const{WebGLKernelValueBoolean:r}=e("../../web-gl/kernel-value/boolean");t.exports={WebGL2KernelValueBoolean:class extends r{}}},{"../../web-gl/kernel-value/boolean":44}],79:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGL2KernelValueHTMLImageArray:i}=e("./html-image-array");t.exports={WebGL2KernelValueDynamicHTMLImageArray:class extends i{getSource(){const e=this.getVariablePrecisionString();return r.linesToString([`uniform ${e} sampler2DArray ${this.id}`,`uniform ${e} ivec2 ${this.sizeId}`,`uniform ${e} ivec3 ${this.dimensionsId}`])}updateValue(e){const{width:t,height:n}=e[0];this.checkSize(t,n),this.dimensions=[t,n,e.length],this.textureSize=[t,n],this.kernel.setUniform3iv(this.dimensionsId,this.dimensions),this.kernel.setUniform2iv(this.sizeId,this.textureSize),super.updateValue(e)}}}},{"../../../utils":114,"./html-image-array":92}],80:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGLKernelValueDynamicHTMLImage:i}=e("../../web-gl/kernel-value/dynamic-html-image");t.exports={WebGL2KernelValueDynamicHTMLImage:class extends i{getSource(){const e=this.getVariablePrecisionString();return r.linesToString([`uniform ${e} sampler2D ${this.id}`,`uniform ${e} ivec2 ${this.sizeId}`,`uniform ${e} ivec3 ${this.dimensionsId}`])}}}},{"../../../utils":114,"../../web-gl/kernel-value/dynamic-html-image":45}],81:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGL2KernelValueDynamicHTMLImage:i}=e("./dynamic-html-image");t.exports={WebGL2KernelValueDynamicHTMLVideo:class extends i{}}},{"../../../utils":114,"./dynamic-html-image":80}],82:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGLKernelValueDynamicMemoryOptimizedNumberTexture:i}=e("../../web-gl/kernel-value/dynamic-memory-optimized-number-texture");t.exports={WebGL2KernelValueDynamicMemoryOptimizedNumberTexture:class extends i{getSource(){return r.linesToString([`uniform sampler2D ${this.id}`,`uniform ivec2 ${this.sizeId}`,`uniform ivec3 ${this.dimensionsId}`])}}}},{"../../../utils":114,"../../web-gl/kernel-value/dynamic-memory-optimized-number-texture":47}],83:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGLKernelValueDynamicNumberTexture:i}=e("../../web-gl/kernel-value/dynamic-number-texture");t.exports={WebGL2KernelValueDynamicNumberTexture:class extends i{getSource(){const e=this.getVariablePrecisionString();return r.linesToString([`uniform ${e} sampler2D ${this.id}`,`uniform ${e} ivec2 ${this.sizeId}`,`uniform ${e} ivec3 ${this.dimensionsId}`])}}}},{"../../../utils":114,"../../web-gl/kernel-value/dynamic-number-texture":48}],84:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGL2KernelValueSingleArray:i}=e("../../web-gl2/kernel-value/single-array");t.exports={WebGL2KernelValueDynamicSingleArray:class extends i{getSource(){const e=this.getVariablePrecisionString();return r.linesToString([`uniform ${e} sampler2D ${this.id}`,`uniform ${e} ivec2 ${this.sizeId}`,`uniform ${e} ivec3 ${this.dimensionsId}`])}updateValue(e){this.dimensions=r.getDimensions(e,!0),this.textureSize=r.getMemoryOptimizedFloatTextureSize(this.dimensions,this.bitRatio),this.uploadArrayLength=this.textureSize[0]*this.textureSize[1]*this.bitRatio,this.checkSize(this.textureSize[0],this.textureSize[1]),this.uploadValue=new Float32Array(this.uploadArrayLength),this.kernel.setUniform3iv(this.dimensionsId,this.dimensions),this.kernel.setUniform2iv(this.sizeId,this.textureSize),super.updateValue(e)}}}},{"../../../utils":114,"../../web-gl2/kernel-value/single-array":98}],85:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGL2KernelValueSingleArray1DI:i}=e("../../web-gl2/kernel-value/single-array1d-i");t.exports={WebGL2KernelValueDynamicSingleArray1DI:class extends i{getSource(){const e=this.getVariablePrecisionString();return r.linesToString([`uniform ${e} sampler2D ${this.id}`,`uniform ${e} ivec2 ${this.sizeId}`,`uniform ${e} ivec3 ${this.dimensionsId}`])}updateValue(e){this.setShape(e),this.kernel.setUniform3iv(this.dimensionsId,this.dimensions),this.kernel.setUniform2iv(this.sizeId,this.textureSize),super.updateValue(e)}}}},{"../../../utils":114,"../../web-gl2/kernel-value/single-array1d-i":99}],86:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGL2KernelValueSingleArray2DI:i}=e("../../web-gl2/kernel-value/single-array2d-i");t.exports={WebGL2KernelValueDynamicSingleArray2DI:class extends i{getSource(){const e=this.getVariablePrecisionString();return r.linesToString([`uniform ${e} sampler2D ${this.id}`,`uniform ${e} ivec2 ${this.sizeId}`,`uniform ${e} ivec3 ${this.dimensionsId}`])}updateValue(e){this.setShape(e),this.kernel.setUniform3iv(this.dimensionsId,this.dimensions),this.kernel.setUniform2iv(this.sizeId,this.textureSize),super.updateValue(e)}}}},{"../../../utils":114,"../../web-gl2/kernel-value/single-array2d-i":100}],87:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGL2KernelValueSingleArray3DI:i}=e("../../web-gl2/kernel-value/single-array3d-i");t.exports={WebGL2KernelValueDynamicSingleArray3DI:class extends i{getSource(){const e=this.getVariablePrecisionString();return r.linesToString([`uniform ${e} sampler2D ${this.id}`,`uniform ${e} ivec2 ${this.sizeId}`,`uniform ${e} ivec3 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Float32Array(this.uploadArrayLength),this.kernel.setUniform3iv(this.dimensionsId,this.dimensions),this.kernel.setUniform2iv(this.sizeId,this.textureSize),super.updateValue(e)}}}},{"../../../utils":114,"../../web-gl2/kernel-value/single-input":102}],89:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGLKernelValueDynamicUnsignedArray:i}=e("../../web-gl/kernel-value/dynamic-unsigned-array");t.exports={WebGL2KernelValueDynamicUnsignedArray:class extends i{getSource(){const e=this.getVariablePrecisionString();return r.linesToString([`uniform ${e} sampler2D ${this.id}`,`uniform ${e} ivec2 ${this.sizeId}`,`uniform ${e} ivec3 ${this.dimensionsId}`])}}}},{"../../../utils":114,"../../web-gl/kernel-value/dynamic-unsigned-array":54}],90:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGLKernelValueDynamicUnsignedInput:i}=e("../../web-gl/kernel-value/dynamic-unsigned-input");t.exports={WebGL2KernelValueDynamicUnsignedInput:class extends i{getSource(){const e=this.getVariablePrecisionString();return r.linesToString([`uniform ${e} sampler2D ${this.id}`,`uniform ${e} ivec2 ${this.sizeId}`,`uniform ${e} ivec3 ${this.dimensionsId}`])}}}},{"../../../utils":114,"../../web-gl/kernel-value/dynamic-unsigned-input":55}],91:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGLKernelValueFloat:i}=e("../../web-gl/kernel-value/float");t.exports={WebGL2KernelValueFloat:class extends i{}}},{"../../../utils":114,"../../web-gl/kernel-value/float":56}],92:[function(e,t,n){const{utils:r}=e("../../../utils"),{WebGLKernelArray:i}=e("../../web-gl/kernel-value/array");t.exports={WebGL2KernelValueHTMLImageArray:class extends i{constructor(e,t){super(e,t),this.checkSize(e[0].width,e[0].height),this.dimensions=[e[0].width,e[0].height,e.length],this.textureSize=[e[0].width,e[0].height]}defineTexture(){const{context:e}=this;e.activeTexture(this.contextHandle),e.bindTexture(e.TEXTURE_2D_ARRAY,this.texture),e.texParameteri(e.TEXTURE_2D_ARRAY,e.TEXTURE_MAG_FILTER,e.NEAREST),e.texParameteri(e.TEXTURE_2D_ARRAY,e.TEXTURE_MIN_FILTER,e.NEAREST)}getStringValueHandler(){return`const uploadValue_${this.name} = ${this.varName};\n`}getSource(){const e=this.getVariablePrecisionString();return r.linesToString([`uniform ${e} sampler2DArray ${this.id}`,`${e} ivec2 ${this.sizeId} = ivec2(${this.textureSize[0]}, ${this.textureSize[1]})`,`${e} ivec3 ${this.dimensionsId} = ivec3(${this.dimensions[0]}, ${this.dimensions[1]}, ${this.dimensions[2]})`])}updateValue(e){const{context:t}=this;t.activeTexture(this.contextHandle),t.bindTexture(t.TEXTURE_2D_ARRAY,this.texture),t.pixelStorei(t.UNPACK_FLIP_Y_WEBGL,!0),t.texImage3D(t.TEXTURE_2D_ARRAY,0,t.RGBA,e[0].width,e[0].height,e.length,0,t.RGBA,t.UNSIGNED_BYTE,null);for(let n=0;ni})}"undefined"!=typeof window&&s(window),"undefined"!=typeof self&&s(self),t.exports=r},{"./index":109}],108:[function(e,t,n){const{gpuMock:r}=e("gpu-mock.js"),{utils:i}=e("./utils"),{Kernel:s}=e("./backend/kernel"),{CPUKernel:a}=e("./backend/cpu/kernel"),{HeadlessGLKernel:o}=e("./backend/headless-gl/kernel"),{WebGL2Kernel:u}=e("./backend/web-gl2/kernel"),{WebGLKernel:l}=e("./backend/web-gl/kernel"),{kernelRunShortcut:h}=e("./kernel-run-shortcut"),c=[o,u,l],p=["gpu","cpu"],d={headlessgl:o,webgl2:u,webgl:l};let m=!0;function f(e){if(!e)return{};const t=Object.assign({},e);return e.hasOwnProperty("floatOutput")&&(i.warnDeprecated("setting","floatOutput","precision"),t.precision=e.floatOutput?"single":"unsigned"),e.hasOwnProperty("outputToTexture")&&(i.warnDeprecated("setting","outputToTexture","pipeline"),t.pipeline=Boolean(e.outputToTexture)),e.hasOwnProperty("outputImmutable")&&(i.warnDeprecated("setting","outputImmutable","immutable"),t.immutable=Boolean(e.outputImmutable)),e.hasOwnProperty("floatTextures")&&(i.warnDeprecated("setting","floatTextures","optimizeFloatMemory"),t.optimizeFloatMemory=Boolean(e.floatTextures)),t}t.exports={GPUX:class{static disableValidation(){m=!1}static enableValidation(){m=!0}static get isGPUXSupported(){return c.some((e=>e.isSupported))}static get isKernelMapSupported(){return c.some((e=>e.isSupported&&e.features.kernelMap))}static get isOffscreenCanvasSupported(){return"undefined"!=typeof Worker&&"undefined"!=typeof OffscreenCanvas||"undefined"!=typeof importScripts}static get isWebGLSupported(){return l.isSupported}static get isWebGL2Supported(){return u.isSupported}static get isHeadlessGLSupported(){return o.isSupported}static get isCanvasSupported(){return"undefined"!=typeof HTMLCanvasElement}static get isGPUXHTMLImageArraySupported(){return u.isSupported}static get isSinglePrecisionSupported(){return c.some((e=>e.isSupported&&e.features.isFloatRead&&e.features.isTextureFloat))}constructor(e){if(e=e||{},this.canvas=e.canvas||null,this.context=e.context||null,this.mode=e.mode,this.Kernel=null,this.kernels=[],this.functions=[],this.nativeFunctions=[],this.injectedNative=null,"dev"!==this.mode){if(this.chooseKernel(),e.functions)for(let t=0;tt.argumentTypes[e])));const l=Object.assign({context:this.context,canvas:this.canvas,functions:this.functions,nativeFunctions:this.nativeFunctions,injectedNative:this.injectedNative,gpu:this,validate:m,onRequestFallback:u,onRequestSwitchKernel:function t(r,i,a){a.debug&&console.warn("Switching kernels");let o=null;if(a.signature&&!s[a.signature]&&(s[a.signature]=a),a.dynamicOutput)for(let e=r.length-1;e>=0;e--){const t=r[e];"outputPrecisionMismatch"===t.type&&(o=t.needed)}const l=a.constructor,h=l.getArgumentTypes(a,i),c=l.getSignature(a,h),d=s[c];if(d)return d.onActivate(a),d;const f=s[c]=new l(e,{argumentTypes:h,constantTypes:a.constantTypes,graphical:a.graphical,loopMaxIterations:a.loopMaxIterations,constants:a.constants,dynamicOutput:a.dynamicOutput,dynamicArgument:a.dynamicArguments,context:a.context,canvas:a.canvas,output:o||a.output,precision:a.precision,pipeline:a.pipeline,immutable:a.immutable,optimizeFloatMemory:a.optimizeFloatMemory,fixIntegerDivisionAccuracy:a.fixIntegerDivisionAccuracy,functions:a.functions,nativeFunctions:a.nativeFunctions,injectedNative:a.injectedNative,subKernels:a.subKernels,strictIntegers:a.strictIntegers,debug:a.debug,gpu:a.gpu,validate:m,returnType:a.returnType,tactic:a.tactic,onRequestFallback:u,onRequestSwitchKernel:t,texture:a.texture,mappedTextures:a.mappedTextures,drawBuffersMap:a.drawBuffersMap});return f.build.apply(f,i),p.replaceKernel(f),n.push(f),f}},o),c=new this.Kernel(e,l),p=h(c);return this.canvas||(this.canvas=c.canvas),this.context||(this.context=c.context),n.push(c),p}createKernelMap(){let e,t;const n=typeof arguments[arguments.length-2];if("function"===n||"string"===n?(e=arguments[arguments.length-2],t=arguments[arguments.length-1]):e=arguments[arguments.length-1],"dev"!==this.mode&&(!this.Kernel.isSupported||!this.Kernel.features.kernelMap)&&this.mode&&p.indexOf(this.mode)<0)throw new Error(`kernelMap not supported on ${this.Kernel.name}`);const r=f(t);if(t&&"object"==typeof t.argumentTypes&&(r.argumentTypes=Object.keys(t.argumentTypes).map((e=>t.argumentTypes[e]))),Array.isArray(arguments[0])){r.subKernels=[];const e=arguments[0];for(let t=0;t0)throw new Error('Cannot call "addNativeFunction" after "createKernels" has been called.');return this.nativeFunctions.push(Object.assign({name:e,source:t},n)),this}injectNative(e){return this.injectedNative=e,this}destroy(){return new Promise(((e,t)=>{this.kernels||e(),setTimeout((()=>{try{for(let e=0;et.kernel[i])),t.__defineSetter__(i,(e=>{t.kernel[i]=e}))))}t.kernel=e}t.exports={kernelRunShortcut:function(e){let t=function(){return e.build.apply(e,arguments),t=function(){let t=e.run.apply(e,arguments);if(e.switchingKernels){const r=e.resetSwitchingKernels(),i=e.onRequestSwitchKernel(r,arguments,e);n.kernel=e=i,t=i.run.apply(i,arguments)}return e.renderKernels?e.renderKernels():e.renderOutput?e.renderOutput():t},t.apply(e,arguments)};const n=function(){return t.apply(e,arguments)};return n.exec=function(){return new Promise(((e,n)=>{try{e(t.apply(this,arguments))}catch(e){n(e)}}))},n.replaceKernel=function(t){i(e=t,n)},i(e,n),n}}},{"./utils":114}],112:[function(e,t,n){const r={name:"math-random-uniformly-distributed",onBeforeRun:e=>{e.setUniform1f("randomSeed1",Math.random()),e.setUniform1f("randomSeed2",Math.random())},functionMatch:"Math.random()",functionReplace:"nrand(vTexCoord)",functionReturnType:"Number",source:"// https://www.shadertoy.com/view/4t2SDh\n//note: uniformly distributed, normalized rand, [0,1]\nhighp float randomSeedShift = 1.0;\nhighp float slide = 1.0;\nuniform highp float randomSeed1;\nuniform highp float randomSeed2;\n\nhighp float nrand(highp vec2 n) {\n highp float result = fract(sin(dot((n.xy + 1.0) * vec2(randomSeed1 * slide, randomSeed2 * randomSeedShift), vec2(12.9898, 78.233))) * 43758.5453);\n randomSeedShift = result;\n if (randomSeedShift > 0.5) {\n slide += 0.00009; \n } else {\n slide += 0.0009;\n }\n return result;\n}"};t.exports=r},{}],113:[function(e,t,n){t.exports={Texture:class{constructor(e){const{texture:t,size:n,dimensions:r,output:i,context:s,type:a="NumberTexture",kernel:o,internalFormat:u,textureFormat:l}=e;if(!i)throw new Error('settings property "output" required.');if(!s)throw new Error('settings property "context" required.');if(!t)throw new Error('settings property "texture" required.');if(!o)throw new Error('settings property "kernel" required.');this.texture=t,t._refs?t._refs++:t._refs=1,this.size=n,this.dimensions=r,this.output=i,this.context=s,this.kernel=o,this.type=a,this._deleted=!1,this.internalFormat=u,this.textureFormat=l}toArray(){throw new Error(`Not implemented on ${this.constructor.name}`)}clone(){throw new Error(`Not implemented on ${this.constructor.name}`)}delete(){throw new Error(`Not implemented on ${this.constructor.name}`)}clear(){throw new Error(`Not implemented on ${this.constructor.name}`)}}}},{}],114:[function(e,t,n){const r=e("acorn"),{Input:i}=e("./input"),{Texture:s}=e("./texture"),a=/function ([^(]*)/,o=/((\/\/.*$)|(\/\*[\s\S]*?\*\/))/gm,u=/([^\s,]+)/g,l={systemEndianness:()=>d,getSystemEndianness(){const e=new ArrayBuffer(4),t=new Uint32Array(e),n=new Uint8Array(e);if(t[0]=3735928559,239===n[0])return"LE";if(222===n[0])return"BE";throw new Error("unknown endianness")},isFunction:e=>"function"==typeof e,isFunctionString:e=>"string"==typeof e&&"function"===e.slice(0,"function".length).toLowerCase(),getFunctionNameFromString(e){const t=a.exec(e);return t&&0!==t.length?t[1].trim():null},getFunctionBodyFromString:e=>e.substring(e.indexOf("{")+1,e.lastIndexOf("}")),getArgumentNamesFromString(e){const t=e.replace(o,"");let n=t.slice(t.indexOf("(")+1,t.indexOf(")")).match(u);return null===n&&(n=[]),n},clone(e){if(null===e||"object"!=typeof e||e.hasOwnProperty("isActiveClone"))return e;const t=e.constructor();for(let n in e)Object.prototype.hasOwnProperty.call(e,n)&&(e.isActiveClone=null,t[n]=l.clone(e[n]),delete e.isActiveClone);return t},isArray:e=>!isNaN(e.length),getVariableType(e,t){if(l.isArray(e))return e.length>0&&"IMG"===e[0].nodeName?"HTMLImageArray":"Array";switch(e.constructor){case Boolean:return"Boolean";case Number:return t&&Number.isInteger(e)?"Integer":"Float";case s:return e.type;case i:return"Input"}if("nodeName"in e)switch(e.nodeName){case"IMG":case"CANVAS":return"HTMLImage";case"VIDEO":return"HTMLVideo"}else{if(e.hasOwnProperty("type"))return e.type;if("undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas)return"OffscreenCanvas";if("undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap)return"ImageBitmap";if("undefined"!=typeof ImageData&&e instanceof ImageData)return"ImageData"}return"Unknown"},getKernelTextureSize(e,t){let[n,r,i]=t,s=(n||1)*(r||1)*(i||1);return e.optimizeFloatMemory&&"single"===e.precision&&(n=s=Math.ceil(s/4)),r>1&&n*r===s?new Int32Array([n,r]):l.closestSquareDimensions(s)},closestSquareDimensions(e){const t=Math.sqrt(e);let n=Math.ceil(t),r=Math.floor(t);for(;n*rMath.floor((e+t-1)/t)*t,getDimensions(e,t){let n;if(l.isArray(e)){const t=[];let r=e;for(;l.isArray(r);)t.push(r.length),r=r[0];n=t.reverse()}else if(e instanceof s)n=e.output;else{if(!(e instanceof i))throw new Error(`Unknown dimensions of 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t.name;case"MemberExpression":return"ThisExpression"===t.object.type?i(t.property.name):t.computed?`${e(t.object)}[${e(t.property)}]`:e(t.object)+"."+e(t.property);case"ThisExpression":return"this";case"NewExpression":return`new ${e(t.callee)}(${t.arguments.map((t=>e(t))).join(", ")})`;case"ForStatement":return`for (${e(t.init)};${e(t.test)};${e(t.update)}) ${e(t.body)}`;case"AssignmentExpression":return`${e(t.left)}${t.operator}${e(t.right)}`;case"UpdateExpression":return`${e(t.argument)}${t.operator}`;case"IfStatement":return`if (${e(t.test)}) ${e(t.consequent)}`;case"ThrowStatement":return`throw ${e(t.argument)}`;case"ObjectPattern":return t.properties.map(e).join(", ");case"ArrayPattern":return t.elements.map(e).join(", ");case"DebuggerStatement":return"debugger;";case"ConditionalExpression":return`${e(t.test)}?${e(t.consequent)}:${e(t.alternate)}`;case"Property":if("init"===t.kind)return e(t.key)}throw new Error(`unhandled ast.type of ${t.type}`)}(o);if(u.length>0){const e=[];for(let n=0;n{if("VariableDeclaration"!==e.type)throw new Error('Ast is not of type "VariableDeclaration"');const t=[];for(let n=0;n{const n=e.createKernel((function(e){return 255*e[this.thread.y][this.thread.x].r}),{output:[t.width,t.height],precision:"unsigned",argumentTypes:{a:"HTMLImage"}}),r=e.createKernel((function(e){return 255*e[this.thread.y][this.thread.x].g}),{output:[t.width,t.height],precision:"unsigned",argumentTypes:{a:"HTMLImage"}}),i=e.createKernel((function(e){return 255*e[this.thread.y][this.thread.x].b}),{output:[t.width,t.height],precision:"unsigned",argumentTypes:{a:"HTMLImage"}}),s=e.createKernel((function(e){return 255*e[this.thread.y][this.thread.x].a}),{output:[t.width,t.height],precision:"unsigned",argumentTypes:{a:"HTMLImage"}}),a=[n(t),r(t),i(t),s(t)];return a.rKernel=n,a.gKernel=r,a.bKernel=i,a.aKernel=s,a.gpu=e,a},splitRGBAToCanvases:(e,t,n,r)=>{const i=e.createKernel((function(e){const t=e[this.thread.y][this.thread.x];this.color(t.r/255,0,0,255)}),{output:[n,r],graphical:!0,argumentTypes:{v:"Array2D(4)"}});i(t);const s=e.createKernel((function(e){const t=e[this.thread.y][this.thread.x];this.color(0,t.g/255,0,255)}),{output:[n,r],graphical:!0,argumentTypes:{v:"Array2D(4)"}});s(t);const a=e.createKernel((function(e){const t=e[this.thread.y][this.thread.x];this.color(0,0,t.b/255,255)}),{output:[n,r],graphical:!0,argumentTypes:{v:"Array2D(4)"}});a(t);const o=e.createKernel((function(e){const t=e[this.thread.y][this.thread.x];this.color(255,255,255,t.a/255)}),{output:[n,r],graphical:!0,argumentTypes:{v:"Array2D(4)"}});return o(t),[i.canvas,s.canvas,a.canvas,o.canvas]},getMinifySafeName:e=>{try{const t=r.parse(`const value = ${e.toString()}`),{init:n}=t.body[0].declarations[0];return n.body.name||n.body.body[0].argument.name}catch(e){throw new Error("Unrecognized function type. Please use `() => yourFunctionVariableHere` or function() { return yourFunctionVariableHere; }")}},sanitizeName:function(e){return h.test(e)&&(e=e.replace(h,"S_S")),c.test(e)?e=e.replace(c,"U_U"):p.test(e)&&(e=e.replace(p,"u_u")),e}},h=/\$/,c=/__/,p=/_/,d=l.getSystemEndianness();t.exports={utils:l}},{"./input":110,"./texture":113,acorn:1}]},{},[107])(107)})); diff --git a/julia/julia.js b/julia/julia.js index 0099137..7727d48 100644 --- a/julia/julia.js +++ b/julia/julia.js @@ -3,7 +3,7 @@ const MAX_ZOOM = 4; const C_THRESHOLD = Math.sqrt(2)/2; const SLIDER_DIV = 2000*C_THRESHOLD; -const gpu = new GPU(); +const gpu = new GPUX(); const buildRender = (width, height) => gpu.createKernel(function (maxIterations, cr, ci, centerX, centerY, zoom, colorMultipliers) { let zx = (this.output.x / this.output.y) * (centerX + (4 * this.thread.x / this.output.x - 2) * (zoom / 4)); let zy = centerY + (4 * this.thread.y / this.output.y - 2) * (zoom / 4); -- 2.45.2 From 4ce505b125950521860f0d2170409719927f3f85 Mon Sep 17 00:00:00 2001 From: Elizabeth Hunt Date: Tue, 24 Oct 2023 22:28:40 -0600 Subject: [PATCH 3/4] initial turing machine --- index.html | 15 +- turing-machine/css/styles.css | 46 +++++- turing-machine/index.html | 15 ++ turing-machine/js/main.js | 234 +++++++++++++++++++++++----- turing-machine/js/observable.js | 14 ++ turing-machine/js/turing_machine.js | 82 ++++++++++ 6 files changed, 361 insertions(+), 45 deletions(-) create mode 100644 turing-machine/js/observable.js create mode 100644 turing-machine/js/turing_machine.js diff --git a/index.html b/index.html index d5c54de..1bea721 100644 --- a/index.html +++ b/index.html @@ -23,6 +23,9 @@
📖 This page hosts strictly static content.
+ 🐙 Obviously my GitHub is at + /simponic. +
🔔 My "real website" is at simponic.xyz. @@ -35,8 +38,8 @@

Euler Golf 2

- A puzzle game (with BFS solver) to explore rotations in the complex - plane. + A puzzle game (with BFS solver) to explore rotations in the + complex plane.

@@ -77,8 +80,8 @@

The A-maze-ing Maize Maze

- A Randomized Kruskal's Maze game with (more) BFS. You play - as a 🌽corn stalk trying to become 🍿popcorn. + A Randomized Kruskal's Maze game with (more) BFS. You play as a + 🌽corn stalk trying to become 🍿popcorn.

@@ -90,9 +93,7 @@

Centipede

-

- Boring remake of the classic arcade game. -

+

Boring remake of the classic arcade game.

diff --git a/turing-machine/css/styles.css b/turing-machine/css/styles.css index 02279e5..a345f51 100644 --- a/turing-machine/css/styles.css +++ b/turing-machine/css/styles.css @@ -1,5 +1,6 @@ * { font-family: "Trebuchet MS", sans-serif; + margin: 0; } button { @@ -24,11 +25,15 @@ body { margin-left: auto; margin-right: auto; flex-direction: column; + gap: 1rem; padding: 2rem; } .tape { + border-radius: 0.25rem; + box-shadow: 5px 5px 5px #666666; + display: flex; padding: 1rem; @@ -39,16 +44,19 @@ body { height: 5rem; max-width: 100%; - border: 1px solid black; + border: 2px solid white; overflow-x: scroll; overflow-y: hidden; } .cell { + border-radius: 0.25rem; + box-shadow: 2px 2px 5px #666666; + background-color: #dddddd; + position: relative; height: 80%; - border: 3px solid black; transition: border 0.1s ease-in-out; transition: background 0.1s ease-in-out; @@ -85,6 +93,40 @@ body { } .cell-input { + border: none; + border-radius: 0.25rem; + + background-color: 1px solid #ccc; width: 50px; + margin-left: 0.25rem; + margin-right: 0.25rem; + text-align: center; + font-size: 1rem; +} + +textarea { + border-radius: 0.25rem; + height: 50vh; +} + +.error { + color: red; +} + +.success { + color: green; +} + +.controls { + display: flex; + gap: 1rem; + flex-direction: row; + justify-content: center; + align-items: center; +} + +hr { + border-top: 2px solid black; + border-bottom: none; } diff --git a/turing-machine/index.html b/turing-machine/index.html index 2f65aa3..acc1e74 100644 --- a/turing-machine/index.html +++ b/turing-machine/index.html @@ -7,8 +7,23 @@

Simponic's State System

+

Author: Elizabeth Hunt

+
+

State: _

+ + +
+ +
+ + diff --git a/turing-machine/js/main.js b/turing-machine/js/main.js index 68aaa39..9ace6f4 100644 --- a/turing-machine/js/main.js +++ b/turing-machine/js/main.js @@ -1,51 +1,24 @@ -const DISPLAY_CELLS = 15; -const TAPE_LEN = 200; - const MESSAGES = { SET_CELL: "SET_CELL", PAUSE: "PAUSE", SIMULATE: "SIMULATE", SET_READER: "SET_READER", + NEXT_STEP: "NEXT_STEP", + COMPILE: "COMPILE", + COMPILE_STATUS: "COMPILE_STATUS", + NEW_TURING_STATE: "NEW_TURING_STATE", }; -class Observable { - constructor() { - this.observers = []; - } - - subscribe(f) { - this.observers.push(f); - } - - unsubscribe(f) { - this.observers = this.observers.filter((subscriber) => subscriber !== f); - } - - notify(data) { - this.observers.forEach((observer) => observer(data)); - } -} - const state = new Observable(); -const tape = Array(TAPE_LEN).fill(0); -state.subscribe((msg) => { - if (msg.type == MESSAGES.SET_CELL) { - tape[msg.cellId] = msg.value; - } -}); - -const tapeEl = document.getElementById("tape"); - const inputCellId = (cellId) => `${cellId}-input`; -const updateCellButtonId = (cellId) => `${cellId}-button-update`; const setCellFromInput = (cellId, inputId) => { const input = document.getElementById(inputId); tape[cellId] = input.value; }; -const cell = (cellId, initValue = 0) => { +const cell = (cellId, initValue = "NULL") => { const cellDiv = document.createElement("div"); cellDiv.classList.add("cell"); cellDiv.id = cellId; @@ -85,14 +58,203 @@ const cell = (cellId, initValue = 0) => { return cellDiv; }; +const parseRules = (rules, beginState) => { + const quadruples = rules.split("\n"); + + const instructions = []; + quadruples.forEach((quadruple, line) => { + const commentLess = quadruple.replaceAll(/\/\/.*/g, "").trim(); + if (!commentLess) { + return; + } + + const items = commentLess + .split(" ") + .map((x) => x.trim()) + .filter((x) => x); + if (items.length != 4) { + throw new Error(`Invalid instruction on line ${line}`); + } + instructions.push(items); + }); + if (!instructions.some(([fromState]) => fromState == beginState)) { + throw new Error( + `At least one instruction must begin from state: ${beginState}` + ); + } + return instructions; +}; + +// -- + +const tapeEl = document.getElementById("tape"); +const compileButton = document.getElementById("compile"); +const instructionsEl = document.getElementById("instructions"); +const controlsEl = document.getElementById("controls"); +const nextStepButton = document.getElementById("next_step"); +const togglePlayButton = document.getElementById("toggle_play"); +const compileStatusEl = document.getElementById("compile_status"); +const turingMachineStateEl = document.getElementById("turing_state"); +const resetButton = document.getElementById("reset"); + +resetButton.addEventListener("click", () => { + state.notify({ type: MESSAGES.PAUSE }); + state.notify({ type: MESSAGES.COMPILE, value: instructionsEl.value }); +}); + +compileButton.addEventListener("click", () => { + state.notify({ type: MESSAGES.COMPILE, value: instructionsEl.value }); +}); + +nextStepButton.addEventListener("click", () => { + state.notify({ type: MESSAGES.PAUSE }); + state.notify({ type: MESSAGES.NEXT_STEP }); +}); + +let playButton_simulationStatus = "paused"; +togglePlayButton.addEventListener("click", function () { + if (playButton_simulationStatus == "paused") { + state.notify({ type: MESSAGES.SIMULATE }); + } else if (playButton_simulationStatus == "simulate") { + state.notify({ type: MESSAGES.PAUSE }); + } +}); + +state.subscribe((msg) => { + if (msg.type == MESSAGES.COMPILE_STATUS) { + const { error, success } = msg; + if (error) { + compileStatusEl.classList.remove("success"); + compileStatusEl.classList.add("error"); + compileStatusEl.innerHTML = error; + } + if (success) { + compileStatusEl.classList.add("success"); + compileStatusEl.classList.remove("error"); + compileStatusEl.innerHTML = `Successful compile at ${new Date().toLocaleString()}!`; + } + } +}); + +state.subscribe((msg) => { + if (msg.type == MESSAGES.COMPILE_STATUS) { + const { error, success } = msg; + if (error) { + controlsEl.style.display = "none"; + } else if (success) { + controlsEl.style.display = "block"; + } + } +}); + +state.subscribe((msg) => { + if (msg.type == MESSAGES.PAUSE) { + togglePlayButton.innerHTML = "🔁 Begin"; + playButton_simulationStatus = "paused"; + } + if (msg.type == MESSAGES.SIMULATE) { + togglePlayButton.innerHTML = "⏸️ Pause"; + playButton_simulationStatus = "simulate"; + } +}); + +state.subscribe((msg) => { + if (msg.type == MESSAGES.NEW_TURING_STATE) { + turingMachineStateEl.innerHTML = msg.value; + } +}); + +// - + const main = () => { - const cells = tape.map((_, cellId) => cell(cellId)); + const blank = "B"; + const beginState = "q0"; + const acceptState = "f"; + const tape = Array(200).fill(blank); + const cells = tape.map((_, cellId) => cell(cellId, blank)); for (const cell of cells) { tapeEl.appendChild(cell); } - state.notify({ type: MESSAGES.SET_READER, cell: 0 }); - setTimeout(() => {}, 1000); + let turingMachine; + + state.subscribe((msg) => { + if (msg.type == MESSAGES.SET_CELL) { + const { value, cell } = msg; + tape[cell] = value; + if (turingMachine) turingMachine.setTapeAtCell(cell, value); + } + if (msg.type == MESSAGES.COMPILE) { + const { value } = msg; + try { + const rules = parseRules(value, beginState, acceptState); + + turingMachine = new TuringMachine( + [...tape], + rules, + beginState, + blank, + acceptState + ); + state.notify({ type: MESSAGES.SET_READER, cell: 0 }); + state.notify({ + type: MESSAGES.NEW_TURING_STATE, + value: turingMachine.getStateStatus(), + }); + state.notify({ type: MESSAGES.COMPILE_STATUS, success: true }); + } catch (e) { + state.notify({ type: MESSAGES.COMPILE_STATUS, error: e.toString() }); + } + } + if (msg.type == MESSAGES.SIMULATE) { + const interval = setInterval(() => { + state.notify({ type: MESSAGES.NEXT_STEP }); + }, 300); + const subscriptionFn = (msg) => { + if (msg.type == MESSAGES.PAUSE) { + clearInterval(interval); + state.unsubscribe(subscriptionFn); + } + }; + state.subscribe(subscriptionFn); + } + if (msg.type == MESSAGES.NEXT_STEP && turingMachine) { + const step = turingMachine.step(); + + const status = turingMachine.getStateStatus(); + + const cell = turingMachine.getHead(); + + if (!step) { + const accepting = turingMachine.isAccepting(); + state.notify({ + type: MESSAGES.NEW_TURING_STATE, + value: accepting + ? `Accept(${status})` + : `Fail(${status}}`, + }); + } else { + state.notify({ + type: MESSAGES.NEW_TURING_STATE, + value: status, + }); + } + + state.notify({ + type: MESSAGES.SET_READER, + cell, + }); + state.notify({ + type: MESSAGES.SET_CELL, + cell, + value: turingMachine.getTapeAtCell(cell), + }); + + if (!step) + state.notify({ + type: MESSAGES.PAUSE, + }); + } + }); }; - main(); diff --git a/turing-machine/js/observable.js b/turing-machine/js/observable.js new file mode 100644 index 0000000..1299fc6 --- /dev/null +++ b/turing-machine/js/observable.js @@ -0,0 +1,14 @@ +class Observable { + constructor() { + this.observers = []; + } + subscribe(f) { + this.observers.push(f); + } + unsubscribe(f) { + this.observers = this.observers.filter((subscriber) => subscriber !== f); + } + notify(data) { + this.observers.forEach((observer) => observer(data)); + } +} diff --git a/turing-machine/js/turing_machine.js b/turing-machine/js/turing_machine.js new file mode 100644 index 0000000..9c21983 --- /dev/null +++ b/turing-machine/js/turing_machine.js @@ -0,0 +1,82 @@ +class TuringMachine { + constructor( + tape = [], + rules = [], + initialState = "q0", + blankSymbol = "B", + acceptState = "f" + ) { + this.tape = tape; + this.rules = this.parseRules(rules); + this.state = initialState; + this.head = 0; + this.blankSymbol = blankSymbol; + this.acceptState = acceptState; + + this.iteration = 0; + } + + getStateStatus() { + return `State: ${this.state}, Step: ${this.iteration}`; + } + + getHead() { + return this.head; + } + + getState() { + return this.state; + } + + getTapeAtCell(idx) { + return this.tape[idx]; + } + + setTapeAtCell(idx, val) { + this.tape[idx] = val; + } + + isAccepting() { + return this.state == this.acceptState; + } + + parseRules(rules) { + const parsedRules = {}; + for (const [currentState, readSymbol, action, newState] of rules) { + const key = `${currentState},${readSymbol}`; + const value = `${newState},${action}`; + parsedRules[key] = value; + } + return parsedRules; + } + + step() { + const currentSymbol = this.tape[this.head] || this.blankSymbol; + const key = `${this.state},${currentSymbol}`; + if (!(key in this.rules)) { + return false; + } + const rule = this.rules[key]; + const [newState, action] = rule.split(","); + + this.state = newState; + + if (action === "R") { + this.head += 1; + } else if (action === "L") { + this.head -= 1; + } else { + this.tape[this.head] = action; + } + + if (this.isAccepting()) { + return false; + } + + if (this.head >= 0 && this.head < this.tape.length) { + this.iteration++; + return true; + } + return false; + } +} -- 2.45.2 From 7f8392f6294f415b7c223bd831db5082ca614db4 Mon Sep 17 00:00:00 2001 From: Elizabeth Hunt Date: Tue, 24 Oct 2023 23:43:21 -0600 Subject: [PATCH 4/4] add favicon, turing machine bug fixes and finishing touches --- favicon.ico | Bin 0 -> 12014 bytes index.html | 11 + turing-machine/.DS_Store | Bin 0 -> 6148 bytes turing-machine/codemirror/codemirror.css | 488 ++ turing-machine/codemirror/codemirror.js | 9874 ++++++++++++++++++++++ turing-machine/css/styles.css | 30 +- turing-machine/index.html | 78 +- turing-machine/js/main.js | 131 +- turing-machine/js/turing_machine.js | 18 +- 9 files changed, 10532 insertions(+), 98 deletions(-) create mode 100644 favicon.ico create mode 100644 turing-machine/.DS_Store create mode 100644 turing-machine/codemirror/codemirror.css create mode 100644 turing-machine/codemirror/codemirror.js diff --git a/favicon.ico b/favicon.ico new file mode 100644 index 0000000000000000000000000000000000000000..edd8a0c54150d4f46477240ee1b0fd1629d33a4b GIT binary patch literal 12014 zcmeHN2~<;An!YtXJ<~JOGgY&9P4~>y?7h@f+g06mp&$eTBqV{5goLnXPY4N{vPfhX zlqIq&2rd}bplq^;Yyv?LC=n145EKzb*$k^JI{!;(+f(i7gFrd1BCV>gg*IX>-xJ0jl#W;KEkfQgT&uPDC$QD{Scmk zD##6fSUp|(zW(p^bL+FU_s4q%{{J$dUB9kf$6g=K+6~>IyZp6YVE3=Xu>hrCE81n< zfiCJMXDWuro1ZRRd-$Y&=x$AScU4TEIZHR!Ig_%XK&M8JW>*mRkt=bO-}C?Bw(iI{$pT9cIK9%d?u`RU2vj? zNv9DkB^jBSa7y!Vru6sHBLR_2S!OUx@`E0L-}J2&p2^L zXZW%B&CQLMFJHcZ14~<(`Ppgd!4TP*9;Ua_H+O`>3-UbIXM`jE{IgG;S+>Oub(n!`>}-WM-?#Uddwv>pB1Hr0wgZab zbt*3_3!OBE? zf~lBJb|G6hTba|%jQ8*P%*@Cr<4VI$My+jeGo!kJNi-KT$YsTsHa9oVoH+w{va&Ku zN=gdV>UgD+OeUX9O9P59Nz$c-moG1M_6S&XiJdjqngDnl2xj{~-?Q(tpE&S^4O7qF zS+D`mvGaL!ys?-?z4_Hw&|7V7ZFF>W*H>N5x>R%Zs*ks~lbhS2AVtx|iwzA8nVFfP zaZ2f7g_W5J4R7o~G;<>2;V|9*r6eHeLQ6->-0C|IS^MIPh|_0rzx;w|Vi@S}S5{UA zVpCM4Zf|e9cI{eIQ`5C;jY_4`LlGK!D$97k0R?AdZL*(=GqlASQgKFBMg}HO*T}$; 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+ +
+ +
+

Simponic's State System

+

A Turing Machine simulator specific to CS5000.

+
+ +
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+ height: 300px; + color: black; + direction: ltr; +} + +/* PADDING */ + +.CodeMirror-lines { + padding: 4px 0; /* Vertical padding around content */ +} +.CodeMirror pre.CodeMirror-line, +.CodeMirror pre.CodeMirror-line-like { + padding: 0 4px; /* Horizontal padding of content */ +} + +.CodeMirror-scrollbar-filler, +.CodeMirror-gutter-filler { + background-color: white; /* The little square between H and V scrollbars */ +} + +/* GUTTER */ + +.CodeMirror-gutters { + border-right: 1px solid #ddd; + background-color: #f7f7f7; + white-space: nowrap; +} +.CodeMirror-linenumbers { +} +.CodeMirror-linenumber { + padding: 0 3px 0 5px; + min-width: 20px; + text-align: right; + color: #999; + white-space: nowrap; +} + +.CodeMirror-guttermarker { + color: black; +} +.CodeMirror-guttermarker-subtle { + color: #999; +} + +/* CURSOR */ + +.CodeMirror-cursor { + border-left: 1px solid black; + border-right: none; + width: 0; +} +/* Shown when moving in bi-directional text */ +.CodeMirror div.CodeMirror-secondarycursor { + border-left: 1px solid silver; +} +.cm-fat-cursor .CodeMirror-cursor { + width: auto; + border: 0 !important; + background: #7e7; +} +.cm-fat-cursor div.CodeMirror-cursors { + z-index: 1; +} +.cm-fat-cursor .CodeMirror-line::selection, +.cm-fat-cursor .CodeMirror-line > span::selection, +.cm-fat-cursor .CodeMirror-line > span > span::selection { + background: transparent; +} +.cm-fat-cursor .CodeMirror-line::-moz-selection, +.cm-fat-cursor .CodeMirror-line > span::-moz-selection, +.cm-fat-cursor .CodeMirror-line > span > span::-moz-selection { + background: transparent; +} +.cm-fat-cursor { + caret-color: transparent; +} +@-moz-keyframes blink { + 0% { + } + 50% { + background-color: transparent; + } + 100% { + } +} +@-webkit-keyframes blink { + 0% { + } + 50% { + background-color: transparent; + } + 100% { + } +} +@keyframes blink { + 0% { + } + 50% { + background-color: transparent; + } + 100% { + } +} + +/* Can style cursor different in overwrite (non-insert) mode */ +.CodeMirror-overwrite .CodeMirror-cursor { +} + +.cm-tab { + display: inline-block; + text-decoration: inherit; +} + +.CodeMirror-rulers { + position: absolute; + left: 0; + right: 0; + top: -50px; + bottom: 0; + overflow: hidden; +} +.CodeMirror-ruler { + border-left: 1px solid #ccc; + top: 0; + bottom: 0; + position: absolute; +} + +/* DEFAULT THEME */ + +.cm-s-default .cm-header { + color: blue; +} +.cm-s-default .cm-quote { + color: #090; +} +.cm-negative { + color: #d44; +} +.cm-positive { + color: #292; +} +.cm-header, +.cm-strong { + font-weight: bold; +} +.cm-em { + font-style: italic; +} +.cm-link { + text-decoration: underline; +} +.cm-strikethrough { + text-decoration: line-through; +} + +.cm-s-default .cm-keyword { + color: #708; +} +.cm-s-default .cm-atom { + color: #219; +} +.cm-s-default .cm-number { + color: #164; +} +.cm-s-default .cm-def { + color: #00f; +} +.cm-s-default .cm-variable, +.cm-s-default .cm-punctuation, +.cm-s-default .cm-property, +.cm-s-default .cm-operator { +} +.cm-s-default .cm-variable-2 { + color: #05a; +} +.cm-s-default .cm-variable-3, +.cm-s-default .cm-type { + color: #085; +} +.cm-s-default .cm-comment { + color: #a50; +} +.cm-s-default .cm-string { + color: #a11; +} +.cm-s-default .cm-string-2 { + color: #f50; +} +.cm-s-default .cm-meta { + color: #555; +} +.cm-s-default .cm-qualifier { + color: #555; +} +.cm-s-default .cm-builtin { + color: #30a; +} +.cm-s-default .cm-bracket { + color: #997; +} +.cm-s-default .cm-tag { + color: #170; +} +.cm-s-default .cm-attribute { + color: #00c; +} +.cm-s-default .cm-hr { + color: #999; +} +.cm-s-default .cm-link { + color: #00c; +} + +.cm-s-default .cm-error { + color: #f00; +} +.cm-invalidchar { + color: #f00; +} + +.CodeMirror-composing { + border-bottom: 2px solid; +} + +/* Default styles for common addons */ + +div.CodeMirror span.CodeMirror-matchingbracket { + color: #0b0; +} +div.CodeMirror span.CodeMirror-nonmatchingbracket { + color: #a22; +} +.CodeMirror-matchingtag { + background: rgba(255, 150, 0, 0.3); +} +.CodeMirror-activeline-background { + background: #e8f2ff; +} + +/* STOP */ + +/* The rest of this file contains styles related to the mechanics of + the editor. You probably shouldn't touch them. */ + +.CodeMirror { + position: relative; + overflow: hidden; + background: white; +} + +.CodeMirror-scroll { + overflow: scroll !important; /* Things will break if this is overridden */ + /* 50px is the magic margin used to hide the element's real scrollbars */ + /* See overflow: hidden in .CodeMirror */ + margin-bottom: -50px; + margin-right: -50px; + padding-bottom: 50px; + height: 100%; + outline: none; /* Prevent dragging from highlighting the element */ + position: relative; + z-index: 0; +} +.CodeMirror-sizer { + position: relative; + border-right: 50px solid transparent; +} + +/* The fake, visible scrollbars. Used to force redraw during scrolling + before actual scrolling happens, thus preventing shaking and + flickering artifacts. */ +.CodeMirror-vscrollbar, +.CodeMirror-hscrollbar, +.CodeMirror-scrollbar-filler, +.CodeMirror-gutter-filler { + position: absolute; + z-index: 6; + display: none; + outline: none; +} +.CodeMirror-vscrollbar { + right: 0; + top: 0; + overflow-x: hidden; + overflow-y: scroll; +} +.CodeMirror-hscrollbar { + bottom: 0; + left: 0; + overflow-y: hidden; + overflow-x: scroll; +} +.CodeMirror-scrollbar-filler { + right: 0; + bottom: 0; +} +.CodeMirror-gutter-filler { + left: 0; + bottom: 0; +} + +.CodeMirror-gutters { + position: absolute; + left: 0; + top: 0; + min-height: 100%; + z-index: 3; +} +.CodeMirror-gutter { + white-space: normal; + height: 100%; + display: inline-block; + vertical-align: top; + margin-bottom: -50px; +} +.CodeMirror-gutter-wrapper { + position: absolute; + z-index: 4; + background: none !important; + border: none !important; +} +.CodeMirror-gutter-background { + position: absolute; + top: 0; + bottom: 0; + z-index: 4; +} +.CodeMirror-gutter-elt { + position: absolute; + cursor: default; + z-index: 4; +} +.CodeMirror-gutter-wrapper ::selection { + background-color: transparent; +} +.CodeMirror-gutter-wrapper ::-moz-selection { + background-color: transparent; +} + +.CodeMirror-lines { + cursor: text; + min-height: 1px; /* prevents collapsing before first draw */ +} +.CodeMirror pre.CodeMirror-line, +.CodeMirror pre.CodeMirror-line-like { + /* Reset some styles that the rest of the page might have set */ + -moz-border-radius: 0; + -webkit-border-radius: 0; + border-radius: 0; + border-width: 0; + background: transparent; + font-family: inherit; + font-size: inherit; + margin: 0; + white-space: pre; + word-wrap: normal; + line-height: inherit; + color: inherit; + z-index: 2; + position: relative; + overflow: visible; + -webkit-tap-highlight-color: transparent; + -webkit-font-variant-ligatures: contextual; + font-variant-ligatures: contextual; +} +.CodeMirror-wrap pre.CodeMirror-line, +.CodeMirror-wrap pre.CodeMirror-line-like { + word-wrap: break-word; + white-space: pre-wrap; + word-break: normal; +} + +.CodeMirror-linebackground { + position: absolute; + left: 0; + right: 0; + top: 0; + bottom: 0; + z-index: 0; +} + +.CodeMirror-linewidget { + position: relative; + z-index: 2; + padding: 0.1px; /* Force widget margins to stay inside of the container */ +} + +.CodeMirror-widget { +} + +.CodeMirror-rtl pre { + direction: rtl; +} + +.CodeMirror-code { + outline: none; +} + +/* Force content-box sizing for the elements where we expect it */ +.CodeMirror-scroll, +.CodeMirror-sizer, +.CodeMirror-gutter, +.CodeMirror-gutters, +.CodeMirror-linenumber { + -moz-box-sizing: content-box; + box-sizing: content-box; +} + +.CodeMirror-measure { + position: absolute; + width: 100%; + height: 0; + overflow: hidden; + visibility: hidden; +} + +.CodeMirror-cursor { + position: absolute; + pointer-events: none; +} +.CodeMirror-measure pre { + position: static; +} + +div.CodeMirror-cursors { + visibility: hidden; + position: relative; + z-index: 3; +} +div.CodeMirror-dragcursors { + visibility: visible; +} + +.CodeMirror-focused div.CodeMirror-cursors { + visibility: visible; +} + +.CodeMirror-selected { + background: #d9d9d9; +} +.CodeMirror-focused .CodeMirror-selected { + background: #d7d4f0; +} +.CodeMirror-crosshair { + cursor: crosshair; +} +.CodeMirror-line::selection, +.CodeMirror-line > span::selection, +.CodeMirror-line > span > span::selection { + background: #d7d4f0; +} +.CodeMirror-line::-moz-selection, +.CodeMirror-line > span::-moz-selection, +.CodeMirror-line > span > span::-moz-selection { + background: #d7d4f0; +} + +.cm-searching { + background-color: #ffa; + background-color: rgba(255, 255, 0, 0.4); +} + +/* Used to force a border model for a node */ +.cm-force-border { + padding-right: 0.1px; +} + +@media print { + /* Hide the cursor when printing */ + .CodeMirror div.CodeMirror-cursors { + visibility: hidden; + } +} + +/* See issue #2901 */ +.cm-tab-wrap-hack:after { + content: ""; +} + +/* Help users use markselection to safely style text background */ +span.CodeMirror-selectedtext { + background: none; +} diff --git a/turing-machine/codemirror/codemirror.js b/turing-machine/codemirror/codemirror.js new file mode 100644 index 0000000..156fc30 --- /dev/null +++ b/turing-machine/codemirror/codemirror.js @@ -0,0 +1,9874 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/LICENSE + +// This is CodeMirror (https://codemirror.net/5), a code editor +// implemented in JavaScript on top of the browser's DOM. +// +// You can find some technical background for some of the code below +// at http://marijnhaverbeke.nl/blog/#cm-internals . + +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global = global || self, global.CodeMirror = factory()); +}(this, (function () { 'use strict'; + + // Kludges for bugs and behavior differences that can't be feature + // detected are enabled based on userAgent etc sniffing. + var userAgent = navigator.userAgent; + var platform = navigator.platform; + + var gecko = /gecko\/\d/i.test(userAgent); + var ie_upto10 = /MSIE \d/.test(userAgent); + var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent); + var edge = /Edge\/(\d+)/.exec(userAgent); + var ie = ie_upto10 || ie_11up || edge; + var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]); + var webkit = !edge && /WebKit\//.test(userAgent); + var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent); + var chrome = !edge && /Chrome\/(\d+)/.exec(userAgent); + var chrome_version = chrome && +chrome[1]; + var presto = /Opera\//.test(userAgent); + var safari = /Apple Computer/.test(navigator.vendor); + var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent); + var phantom = /PhantomJS/.test(userAgent); + + var ios = safari && (/Mobile\/\w+/.test(userAgent) || navigator.maxTouchPoints > 2); + var android = /Android/.test(userAgent); + // This is woefully incomplete. Suggestions for alternative methods welcome. + var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); + var mac = ios || /Mac/.test(platform); + var chromeOS = /\bCrOS\b/.test(userAgent); + var windows = /win/i.test(platform); + + var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); + if (presto_version) { presto_version = Number(presto_version[1]); } + if (presto_version && presto_version >= 15) { presto = false; webkit = true; } + // Some browsers use the wrong event properties to signal cmd/ctrl on OS X + var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); + var captureRightClick = gecko || (ie && ie_version >= 9); + + function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") } + + var rmClass = function(node, cls) { + var current = node.className; + var match = classTest(cls).exec(current); + if (match) { + var after = current.slice(match.index + match[0].length); + node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); + } + }; + + function removeChildren(e) { + for (var count = e.childNodes.length; count > 0; --count) + { e.removeChild(e.firstChild); } + return e + } + + function removeChildrenAndAdd(parent, e) { + return removeChildren(parent).appendChild(e) + } + + function elt(tag, content, className, style) { + var e = document.createElement(tag); + if (className) { e.className = className; } + if (style) { e.style.cssText = style; } + if (typeof content == "string") { e.appendChild(document.createTextNode(content)); } + else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } } + return e + } + // wrapper for elt, which removes the elt from the accessibility tree + function eltP(tag, content, className, style) { + var e = elt(tag, content, className, style); + e.setAttribute("role", "presentation"); + return e + } + + var range; + if (document.createRange) { range = function(node, start, end, endNode) { + var r = document.createRange(); + r.setEnd(endNode || node, end); + r.setStart(node, start); + return r + }; } + else { range = function(node, start, end) { + var r = document.body.createTextRange(); + try { r.moveToElementText(node.parentNode); } + catch(e) { return r } + r.collapse(true); + r.moveEnd("character", end); + r.moveStart("character", start); + return r + }; } + + function contains(parent, child) { + if (child.nodeType == 3) // Android browser always returns false when child is a textnode + { child = child.parentNode; } + if (parent.contains) + { return parent.contains(child) } + do { + if (child.nodeType == 11) { child = child.host; } + if (child == parent) { return true } + } while (child = child.parentNode) + } + + function activeElt(doc) { + // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement. + // IE < 10 will throw when accessed while the page is loading or in an iframe. + // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable. + var activeElement; + try { + activeElement = doc.activeElement; + } catch(e) { + activeElement = doc.body || null; + } + while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement) + { activeElement = activeElement.shadowRoot.activeElement; } + return activeElement + } + + function addClass(node, cls) { + var current = node.className; + if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; } + } + function joinClasses(a, b) { + var as = a.split(" "); + for (var i = 0; i < as.length; i++) + { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } } + return b + } + + var selectInput = function(node) { node.select(); }; + if (ios) // Mobile Safari apparently has a bug where select() is broken. + { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; } + else if (ie) // Suppress mysterious IE10 errors + { selectInput = function(node) { try { node.select(); } catch(_e) {} }; } + + function doc(cm) { return cm.display.wrapper.ownerDocument } + + function win(cm) { return doc(cm).defaultView } + + function bind(f) { + var args = Array.prototype.slice.call(arguments, 1); + return function(){return f.apply(null, args)} + } + + function copyObj(obj, target, overwrite) { + if (!target) { target = {}; } + for (var prop in obj) + { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) + { target[prop] = obj[prop]; } } + return target + } + + // Counts the column offset in a string, taking tabs into account. + // Used mostly to find indentation. + function countColumn(string, end, tabSize, startIndex, startValue) { + if (end == null) { + end = string.search(/[^\s\u00a0]/); + if (end == -1) { end = string.length; } + } + for (var i = startIndex || 0, n = startValue || 0;;) { + var nextTab = string.indexOf("\t", i); + if (nextTab < 0 || nextTab >= end) + { return n + (end - i) } + n += nextTab - i; + n += tabSize - (n % tabSize); + i = nextTab + 1; + } + } + + var Delayed = function() { + this.id = null; + this.f = null; + this.time = 0; + this.handler = bind(this.onTimeout, this); + }; + Delayed.prototype.onTimeout = function (self) { + self.id = 0; + if (self.time <= +new Date) { + self.f(); + } else { + setTimeout(self.handler, self.time - +new Date); + } + }; + Delayed.prototype.set = function (ms, f) { + this.f = f; + var time = +new Date + ms; + if (!this.id || time < this.time) { + clearTimeout(this.id); + this.id = setTimeout(this.handler, ms); + this.time = time; + } + }; + + function indexOf(array, elt) { + for (var i = 0; i < array.length; ++i) + { if (array[i] == elt) { return i } } + return -1 + } + + // Number of pixels added to scroller and sizer to hide scrollbar + var scrollerGap = 50; + + // Returned or thrown by various protocols to signal 'I'm not + // handling this'. + var Pass = {toString: function(){return "CodeMirror.Pass"}}; + + // Reused option objects for setSelection & friends + var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; + + // The inverse of countColumn -- find the offset that corresponds to + // a particular column. + function findColumn(string, goal, tabSize) { + for (var pos = 0, col = 0;;) { + var nextTab = string.indexOf("\t", pos); + if (nextTab == -1) { nextTab = string.length; } + var skipped = nextTab - pos; + if (nextTab == string.length || col + skipped >= goal) + { return pos + Math.min(skipped, goal - col) } + col += nextTab - pos; + col += tabSize - (col % tabSize); + pos = nextTab + 1; + if (col >= goal) { return pos } + } + } + + var spaceStrs = [""]; + function spaceStr(n) { + while (spaceStrs.length <= n) + { spaceStrs.push(lst(spaceStrs) + " "); } + return spaceStrs[n] + } + + function lst(arr) { return arr[arr.length-1] } + + function map(array, f) { + var out = []; + for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); } + return out + } + + function insertSorted(array, value, score) { + var pos = 0, priority = score(value); + while (pos < array.length && score(array[pos]) <= priority) { pos++; } + array.splice(pos, 0, value); + } + + function nothing() {} + + function createObj(base, props) { + var inst; + if (Object.create) { + inst = Object.create(base); + } else { + nothing.prototype = base; + inst = new nothing(); + } + if (props) { copyObj(props, inst); } + return inst + } + + var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; + function isWordCharBasic(ch) { + return /\w/.test(ch) || ch > "\x80" && + (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)) + } + function isWordChar(ch, helper) { + if (!helper) { return isWordCharBasic(ch) } + if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true } + return helper.test(ch) + } + + function isEmpty(obj) { + for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } } + return true + } + + // Extending unicode characters. A series of a non-extending char + + // any number of extending chars is treated as a single unit as far + // as editing and measuring is concerned. This is not fully correct, + // since some scripts/fonts/browsers also treat other configurations + // of code points as a group. + var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; + function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) } + + // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range. + function skipExtendingChars(str, pos, dir) { + while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; } + return pos + } + + // Returns the value from the range [`from`; `to`] that satisfies + // `pred` and is closest to `from`. Assumes that at least `to` + // satisfies `pred`. Supports `from` being greater than `to`. + function findFirst(pred, from, to) { + // At any point we are certain `to` satisfies `pred`, don't know + // whether `from` does. + var dir = from > to ? -1 : 1; + for (;;) { + if (from == to) { return from } + var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF); + if (mid == from) { return pred(mid) ? from : to } + if (pred(mid)) { to = mid; } + else { from = mid + dir; } + } + } + + // BIDI HELPERS + + function iterateBidiSections(order, from, to, f) { + if (!order) { return f(from, to, "ltr", 0) } + var found = false; + for (var i = 0; i < order.length; ++i) { + var part = order[i]; + if (part.from < to && part.to > from || from == to && part.to == from) { + f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i); + found = true; + } + } + if (!found) { f(from, to, "ltr"); } + } + + var bidiOther = null; + function getBidiPartAt(order, ch, sticky) { + var found; + bidiOther = null; + for (var i = 0; i < order.length; ++i) { + var cur = order[i]; + if (cur.from < ch && cur.to > ch) { return i } + if (cur.to == ch) { + if (cur.from != cur.to && sticky == "before") { found = i; } + else { bidiOther = i; } + } + if (cur.from == ch) { + if (cur.from != cur.to && sticky != "before") { found = i; } + else { bidiOther = i; } + } + } + return found != null ? found : bidiOther + } + + // Bidirectional ordering algorithm + // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm + // that this (partially) implements. + + // One-char codes used for character types: + // L (L): Left-to-Right + // R (R): Right-to-Left + // r (AL): Right-to-Left Arabic + // 1 (EN): European Number + // + (ES): European Number Separator + // % (ET): European Number Terminator + // n (AN): Arabic Number + // , (CS): Common Number Separator + // m (NSM): Non-Spacing Mark + // b (BN): Boundary Neutral + // s (B): Paragraph Separator + // t (S): Segment Separator + // w (WS): Whitespace + // N (ON): Other Neutrals + + // Returns null if characters are ordered as they appear + // (left-to-right), or an array of sections ({from, to, level} + // objects) in the order in which they occur visually. + var bidiOrdering = (function() { + // Character types for codepoints 0 to 0xff + var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; + // Character types for codepoints 0x600 to 0x6f9 + var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111"; + function charType(code) { + if (code <= 0xf7) { return lowTypes.charAt(code) } + else if (0x590 <= code && code <= 0x5f4) { return "R" } + else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) } + else if (0x6ee <= code && code <= 0x8ac) { return "r" } + else if (0x2000 <= code && code <= 0x200b) { return "w" } + else if (code == 0x200c) { return "b" } + else { return "L" } + } + + var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; + var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; + + function BidiSpan(level, from, to) { + this.level = level; + this.from = from; this.to = to; + } + + return function(str, direction) { + var outerType = direction == "ltr" ? "L" : "R"; + + if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false } + var len = str.length, types = []; + for (var i = 0; i < len; ++i) + { types.push(charType(str.charCodeAt(i))); } + + // W1. Examine each non-spacing mark (NSM) in the level run, and + // change the type of the NSM to the type of the previous + // character. If the NSM is at the start of the level run, it will + // get the type of sor. + for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) { + var type = types[i$1]; + if (type == "m") { types[i$1] = prev; } + else { prev = type; } + } + + // W2. Search backwards from each instance of a European number + // until the first strong type (R, L, AL, or sor) is found. If an + // AL is found, change the type of the European number to Arabic + // number. + // W3. Change all ALs to R. + for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) { + var type$1 = types[i$2]; + if (type$1 == "1" && cur == "r") { types[i$2] = "n"; } + else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } } + } + + // W4. A single European separator between two European numbers + // changes to a European number. A single common separator between + // two numbers of the same type changes to that type. + for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) { + var type$2 = types[i$3]; + if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; } + else if (type$2 == "," && prev$1 == types[i$3+1] && + (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; } + prev$1 = type$2; + } + + // W5. A sequence of European terminators adjacent to European + // numbers changes to all European numbers. + // W6. Otherwise, separators and terminators change to Other + // Neutral. + for (var i$4 = 0; i$4 < len; ++i$4) { + var type$3 = types[i$4]; + if (type$3 == ",") { types[i$4] = "N"; } + else if (type$3 == "%") { + var end = (void 0); + for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {} + var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; + for (var j = i$4; j < end; ++j) { types[j] = replace; } + i$4 = end - 1; + } + } + + // W7. Search backwards from each instance of a European number + // until the first strong type (R, L, or sor) is found. If an L is + // found, then change the type of the European number to L. + for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) { + var type$4 = types[i$5]; + if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; } + else if (isStrong.test(type$4)) { cur$1 = type$4; } + } + + // N1. A sequence of neutrals takes the direction of the + // surrounding strong text if the text on both sides has the same + // direction. European and Arabic numbers act as if they were R in + // terms of their influence on neutrals. Start-of-level-run (sor) + // and end-of-level-run (eor) are used at level run boundaries. + // N2. Any remaining neutrals take the embedding direction. + for (var i$6 = 0; i$6 < len; ++i$6) { + if (isNeutral.test(types[i$6])) { + var end$1 = (void 0); + for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {} + var before = (i$6 ? types[i$6-1] : outerType) == "L"; + var after = (end$1 < len ? types[end$1] : outerType) == "L"; + var replace$1 = before == after ? (before ? "L" : "R") : outerType; + for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; } + i$6 = end$1 - 1; + } + } + + // Here we depart from the documented algorithm, in order to avoid + // building up an actual levels array. Since there are only three + // levels (0, 1, 2) in an implementation that doesn't take + // explicit embedding into account, we can build up the order on + // the fly, without following the level-based algorithm. + var order = [], m; + for (var i$7 = 0; i$7 < len;) { + if (countsAsLeft.test(types[i$7])) { + var start = i$7; + for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {} + order.push(new BidiSpan(0, start, i$7)); + } else { + var pos = i$7, at = order.length, isRTL = direction == "rtl" ? 1 : 0; + for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {} + for (var j$2 = pos; j$2 < i$7;) { + if (countsAsNum.test(types[j$2])) { + if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); at += isRTL; } + var nstart = j$2; + for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {} + order.splice(at, 0, new BidiSpan(2, nstart, j$2)); + at += isRTL; + pos = j$2; + } else { ++j$2; } + } + if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); } + } + } + if (direction == "ltr") { + if (order[0].level == 1 && (m = str.match(/^\s+/))) { + order[0].from = m[0].length; + order.unshift(new BidiSpan(0, 0, m[0].length)); + } + if (lst(order).level == 1 && (m = str.match(/\s+$/))) { + lst(order).to -= m[0].length; + order.push(new BidiSpan(0, len - m[0].length, len)); + } + } + + return direction == "rtl" ? order.reverse() : order + } + })(); + + // Get the bidi ordering for the given line (and cache it). Returns + // false for lines that are fully left-to-right, and an array of + // BidiSpan objects otherwise. + function getOrder(line, direction) { + var order = line.order; + if (order == null) { order = line.order = bidiOrdering(line.text, direction); } + return order + } + + // EVENT HANDLING + + // Lightweight event framework. on/off also work on DOM nodes, + // registering native DOM handlers. + + var noHandlers = []; + + var on = function(emitter, type, f) { + if (emitter.addEventListener) { + emitter.addEventListener(type, f, false); + } else if (emitter.attachEvent) { + emitter.attachEvent("on" + type, f); + } else { + var map = emitter._handlers || (emitter._handlers = {}); + map[type] = (map[type] || noHandlers).concat(f); + } + }; + + function getHandlers(emitter, type) { + return emitter._handlers && emitter._handlers[type] || noHandlers + } + + function off(emitter, type, f) { + if (emitter.removeEventListener) { + emitter.removeEventListener(type, f, false); + } else if (emitter.detachEvent) { + emitter.detachEvent("on" + type, f); + } else { + var map = emitter._handlers, arr = map && map[type]; + if (arr) { + var index = indexOf(arr, f); + if (index > -1) + { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)); } + } + } + } + + function signal(emitter, type /*, values...*/) { + var handlers = getHandlers(emitter, type); + if (!handlers.length) { return } + var args = Array.prototype.slice.call(arguments, 2); + for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); } + } + + // The DOM events that CodeMirror handles can be overridden by + // registering a (non-DOM) handler on the editor for the event name, + // and preventDefault-ing the event in that handler. + function signalDOMEvent(cm, e, override) { + if (typeof e == "string") + { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; } + signal(cm, override || e.type, cm, e); + return e_defaultPrevented(e) || e.codemirrorIgnore + } + + function signalCursorActivity(cm) { + var arr = cm._handlers && cm._handlers.cursorActivity; + if (!arr) { return } + var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); + for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1) + { set.push(arr[i]); } } + } + + function hasHandler(emitter, type) { + return getHandlers(emitter, type).length > 0 + } + + // Add on and off methods to a constructor's prototype, to make + // registering events on such objects more convenient. + function eventMixin(ctor) { + ctor.prototype.on = function(type, f) {on(this, type, f);}; + ctor.prototype.off = function(type, f) {off(this, type, f);}; + } + + // Due to the fact that we still support jurassic IE versions, some + // compatibility wrappers are needed. + + function e_preventDefault(e) { + if (e.preventDefault) { e.preventDefault(); } + else { e.returnValue = false; } + } + function e_stopPropagation(e) { + if (e.stopPropagation) { e.stopPropagation(); } + else { e.cancelBubble = true; } + } + function e_defaultPrevented(e) { + return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false + } + function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} + + function e_target(e) {return e.target || e.srcElement} + function e_button(e) { + var b = e.which; + if (b == null) { + if (e.button & 1) { b = 1; } + else if (e.button & 2) { b = 3; } + else if (e.button & 4) { b = 2; } + } + if (mac && e.ctrlKey && b == 1) { b = 3; } + return b + } + + // Detect drag-and-drop + var dragAndDrop = function() { + // There is *some* kind of drag-and-drop support in IE6-8, but I + // couldn't get it to work yet. + if (ie && ie_version < 9) { return false } + var div = elt('div'); + return "draggable" in div || "dragDrop" in div + }(); + + var zwspSupported; + function zeroWidthElement(measure) { + if (zwspSupported == null) { + var test = elt("span", "\u200b"); + removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); + if (measure.firstChild.offsetHeight != 0) + { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); } + } + var node = zwspSupported ? elt("span", "\u200b") : + elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); + node.setAttribute("cm-text", ""); + return node + } + + // Feature-detect IE's crummy client rect reporting for bidi text + var badBidiRects; + function hasBadBidiRects(measure) { + if (badBidiRects != null) { return badBidiRects } + var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); + var r0 = range(txt, 0, 1).getBoundingClientRect(); + var r1 = range(txt, 1, 2).getBoundingClientRect(); + removeChildren(measure); + if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780) + return badBidiRects = (r1.right - r0.right < 3) + } + + // See if "".split is the broken IE version, if so, provide an + // alternative way to split lines. + var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) { + var pos = 0, result = [], l = string.length; + while (pos <= l) { + var nl = string.indexOf("\n", pos); + if (nl == -1) { nl = string.length; } + var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); + var rt = line.indexOf("\r"); + if (rt != -1) { + result.push(line.slice(0, rt)); + pos += rt + 1; + } else { + result.push(line); + pos = nl + 1; + } + } + return result + } : function (string) { return string.split(/\r\n?|\n/); }; + + var hasSelection = window.getSelection ? function (te) { + try { return te.selectionStart != te.selectionEnd } + catch(e) { return false } + } : function (te) { + var range; + try {range = te.ownerDocument.selection.createRange();} + catch(e) {} + if (!range || range.parentElement() != te) { return false } + return range.compareEndPoints("StartToEnd", range) != 0 + }; + + var hasCopyEvent = (function () { + var e = elt("div"); + if ("oncopy" in e) { return true } + e.setAttribute("oncopy", "return;"); + return typeof e.oncopy == "function" + })(); + + var badZoomedRects = null; + function hasBadZoomedRects(measure) { + if (badZoomedRects != null) { return badZoomedRects } + var node = removeChildrenAndAdd(measure, elt("span", "x")); + var normal = node.getBoundingClientRect(); + var fromRange = range(node, 0, 1).getBoundingClientRect(); + return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1 + } + + // Known modes, by name and by MIME + var modes = {}, mimeModes = {}; + + // Extra arguments are stored as the mode's dependencies, which is + // used by (legacy) mechanisms like loadmode.js to automatically + // load a mode. (Preferred mechanism is the require/define calls.) + function defineMode(name, mode) { + if (arguments.length > 2) + { mode.dependencies = Array.prototype.slice.call(arguments, 2); } + modes[name] = mode; + } + + function defineMIME(mime, spec) { + mimeModes[mime] = spec; + } + + // Given a MIME type, a {name, ...options} config object, or a name + // string, return a mode config object. + function resolveMode(spec) { + if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { + spec = mimeModes[spec]; + } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { + var found = mimeModes[spec.name]; + if (typeof found == "string") { found = {name: found}; } + spec = createObj(found, spec); + spec.name = found.name; + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { + return resolveMode("application/xml") + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) { + return resolveMode("application/json") + } + if (typeof spec == "string") { return {name: spec} } + else { return spec || {name: "null"} } + } + + // Given a mode spec (anything that resolveMode accepts), find and + // initialize an actual mode object. + function getMode(options, spec) { + spec = resolveMode(spec); + var mfactory = modes[spec.name]; + if (!mfactory) { return getMode(options, "text/plain") } + var modeObj = mfactory(options, spec); + if (modeExtensions.hasOwnProperty(spec.name)) { + var exts = modeExtensions[spec.name]; + for (var prop in exts) { + if (!exts.hasOwnProperty(prop)) { continue } + if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; } + modeObj[prop] = exts[prop]; + } + } + modeObj.name = spec.name; + if (spec.helperType) { modeObj.helperType = spec.helperType; } + if (spec.modeProps) { for (var prop$1 in spec.modeProps) + { modeObj[prop$1] = spec.modeProps[prop$1]; } } + + return modeObj + } + + // This can be used to attach properties to mode objects from + // outside the actual mode definition. + var modeExtensions = {}; + function extendMode(mode, properties) { + var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); + copyObj(properties, exts); + } + + function copyState(mode, state) { + if (state === true) { return state } + if (mode.copyState) { return mode.copyState(state) } + var nstate = {}; + for (var n in state) { + var val = state[n]; + if (val instanceof Array) { val = val.concat([]); } + nstate[n] = val; + } + return nstate + } + + // Given a mode and a state (for that mode), find the inner mode and + // state at the position that the state refers to. + function innerMode(mode, state) { + var info; + while (mode.innerMode) { + info = mode.innerMode(state); + if (!info || info.mode == mode) { break } + state = info.state; + mode = info.mode; + } + return info || {mode: mode, state: state} + } + + function startState(mode, a1, a2) { + return mode.startState ? mode.startState(a1, a2) : true + } + + // STRING STREAM + + // Fed to the mode parsers, provides helper functions to make + // parsers more succinct. + + var StringStream = function(string, tabSize, lineOracle) { + this.pos = this.start = 0; + this.string = string; + this.tabSize = tabSize || 8; + this.lastColumnPos = this.lastColumnValue = 0; + this.lineStart = 0; + this.lineOracle = lineOracle; + }; + + StringStream.prototype.eol = function () {return this.pos >= this.string.length}; + StringStream.prototype.sol = function () {return this.pos == this.lineStart}; + StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined}; + StringStream.prototype.next = function () { + if (this.pos < this.string.length) + { return this.string.charAt(this.pos++) } + }; + StringStream.prototype.eat = function (match) { + var ch = this.string.charAt(this.pos); + var ok; + if (typeof match == "string") { ok = ch == match; } + else { ok = ch && (match.test ? match.test(ch) : match(ch)); } + if (ok) {++this.pos; return ch} + }; + StringStream.prototype.eatWhile = function (match) { + var start = this.pos; + while (this.eat(match)){} + return this.pos > start + }; + StringStream.prototype.eatSpace = function () { + var start = this.pos; + while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; } + return this.pos > start + }; + StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;}; + StringStream.prototype.skipTo = function (ch) { + var found = this.string.indexOf(ch, this.pos); + if (found > -1) {this.pos = found; return true} + }; + StringStream.prototype.backUp = function (n) {this.pos -= n;}; + StringStream.prototype.column = function () { + if (this.lastColumnPos < this.start) { + this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); + this.lastColumnPos = this.start; + } + return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) + }; + StringStream.prototype.indentation = function () { + return countColumn(this.string, null, this.tabSize) - + (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) + }; + StringStream.prototype.match = function (pattern, consume, caseInsensitive) { + if (typeof pattern == "string") { + var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; }; + var substr = this.string.substr(this.pos, pattern.length); + if (cased(substr) == cased(pattern)) { + if (consume !== false) { this.pos += pattern.length; } + return true + } + } else { + var match = this.string.slice(this.pos).match(pattern); + if (match && match.index > 0) { return null } + if (match && consume !== false) { this.pos += match[0].length; } + return match + } + }; + StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)}; + StringStream.prototype.hideFirstChars = function (n, inner) { + this.lineStart += n; + try { return inner() } + finally { this.lineStart -= n; } + }; + StringStream.prototype.lookAhead = function (n) { + var oracle = this.lineOracle; + return oracle && oracle.lookAhead(n) + }; + StringStream.prototype.baseToken = function () { + var oracle = this.lineOracle; + return oracle && oracle.baseToken(this.pos) + }; + + // Find the line object corresponding to the given line number. + function getLine(doc, n) { + n -= doc.first; + if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") } + var chunk = doc; + while (!chunk.lines) { + for (var i = 0;; ++i) { + var child = chunk.children[i], sz = child.chunkSize(); + if (n < sz) { chunk = child; break } + n -= sz; + } + } + return chunk.lines[n] + } + + // Get the part of a document between two positions, as an array of + // strings. + function getBetween(doc, start, end) { + var out = [], n = start.line; + doc.iter(start.line, end.line + 1, function (line) { + var text = line.text; + if (n == end.line) { text = text.slice(0, end.ch); } + if (n == start.line) { text = text.slice(start.ch); } + out.push(text); + ++n; + }); + return out + } + // Get the lines between from and to, as array of strings. + function getLines(doc, from, to) { + var out = []; + doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value + return out + } + + // Update the height of a line, propagating the height change + // upwards to parent nodes. + function updateLineHeight(line, height) { + var diff = height - line.height; + if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } } + } + + // Given a line object, find its line number by walking up through + // its parent links. + function lineNo(line) { + if (line.parent == null) { return null } + var cur = line.parent, no = indexOf(cur.lines, line); + for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { + for (var i = 0;; ++i) { + if (chunk.children[i] == cur) { break } + no += chunk.children[i].chunkSize(); + } + } + return no + cur.first + } + + // Find the line at the given vertical position, using the height + // information in the document tree. + function lineAtHeight(chunk, h) { + var n = chunk.first; + outer: do { + for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) { + var child = chunk.children[i$1], ch = child.height; + if (h < ch) { chunk = child; continue outer } + h -= ch; + n += child.chunkSize(); + } + return n + } while (!chunk.lines) + var i = 0; + for (; i < chunk.lines.length; ++i) { + var line = chunk.lines[i], lh = line.height; + if (h < lh) { break } + h -= lh; + } + return n + i + } + + function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size} + + function lineNumberFor(options, i) { + return String(options.lineNumberFormatter(i + options.firstLineNumber)) + } + + // A Pos instance represents a position within the text. + function Pos(line, ch, sticky) { + if ( sticky === void 0 ) sticky = null; + + if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) } + this.line = line; + this.ch = ch; + this.sticky = sticky; + } + + // Compare two positions, return 0 if they are the same, a negative + // number when a is less, and a positive number otherwise. + function cmp(a, b) { return a.line - b.line || a.ch - b.ch } + + function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 } + + function copyPos(x) {return Pos(x.line, x.ch)} + function maxPos(a, b) { return cmp(a, b) < 0 ? b : a } + function minPos(a, b) { return cmp(a, b) < 0 ? a : b } + + // Most of the external API clips given positions to make sure they + // actually exist within the document. + function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))} + function clipPos(doc, pos) { + if (pos.line < doc.first) { return Pos(doc.first, 0) } + var last = doc.first + doc.size - 1; + if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) } + return clipToLen(pos, getLine(doc, pos.line).text.length) + } + function clipToLen(pos, linelen) { + var ch = pos.ch; + if (ch == null || ch > linelen) { return Pos(pos.line, linelen) } + else if (ch < 0) { return Pos(pos.line, 0) } + else { return pos } + } + function clipPosArray(doc, array) { + var out = []; + for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); } + return out + } + + var SavedContext = function(state, lookAhead) { + this.state = state; + this.lookAhead = lookAhead; + }; + + var Context = function(doc, state, line, lookAhead) { + this.state = state; + this.doc = doc; + this.line = line; + this.maxLookAhead = lookAhead || 0; + this.baseTokens = null; + this.baseTokenPos = 1; + }; + + Context.prototype.lookAhead = function (n) { + var line = this.doc.getLine(this.line + n); + if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; } + return line + }; + + Context.prototype.baseToken = function (n) { + if (!this.baseTokens) { return null } + while (this.baseTokens[this.baseTokenPos] <= n) + { this.baseTokenPos += 2; } + var type = this.baseTokens[this.baseTokenPos + 1]; + return {type: type && type.replace(/( |^)overlay .*/, ""), + size: this.baseTokens[this.baseTokenPos] - n} + }; + + Context.prototype.nextLine = function () { + this.line++; + if (this.maxLookAhead > 0) { this.maxLookAhead--; } + }; + + Context.fromSaved = function (doc, saved, line) { + if (saved instanceof SavedContext) + { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) } + else + { return new Context(doc, copyState(doc.mode, saved), line) } + }; + + Context.prototype.save = function (copy) { + var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state; + return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state + }; + + + // Compute a style array (an array starting with a mode generation + // -- for invalidation -- followed by pairs of end positions and + // style strings), which is used to highlight the tokens on the + // line. + function highlightLine(cm, line, context, forceToEnd) { + // A styles array always starts with a number identifying the + // mode/overlays that it is based on (for easy invalidation). + var st = [cm.state.modeGen], lineClasses = {}; + // Compute the base array of styles + runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); }, + lineClasses, forceToEnd); + var state = context.state; + + // Run overlays, adjust style array. + var loop = function ( o ) { + context.baseTokens = st; + var overlay = cm.state.overlays[o], i = 1, at = 0; + context.state = true; + runMode(cm, line.text, overlay.mode, context, function (end, style) { + var start = i; + // Ensure there's a token end at the current position, and that i points at it + while (at < end) { + var i_end = st[i]; + if (i_end > end) + { st.splice(i, 1, end, st[i+1], i_end); } + i += 2; + at = Math.min(end, i_end); + } + if (!style) { return } + if (overlay.opaque) { + st.splice(start, i - start, end, "overlay " + style); + i = start + 2; + } else { + for (; start < i; start += 2) { + var cur = st[start+1]; + st[start+1] = (cur ? cur + " " : "") + "overlay " + style; + } + } + }, lineClasses); + context.state = state; + context.baseTokens = null; + context.baseTokenPos = 1; + }; + + for (var o = 0; o < cm.state.overlays.length; ++o) loop( o ); + + return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null} + } + + function getLineStyles(cm, line, updateFrontier) { + if (!line.styles || line.styles[0] != cm.state.modeGen) { + var context = getContextBefore(cm, lineNo(line)); + var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state); + var result = highlightLine(cm, line, context); + if (resetState) { context.state = resetState; } + line.stateAfter = context.save(!resetState); + line.styles = result.styles; + if (result.classes) { line.styleClasses = result.classes; } + else if (line.styleClasses) { line.styleClasses = null; } + if (updateFrontier === cm.doc.highlightFrontier) + { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); } + } + return line.styles + } + + function getContextBefore(cm, n, precise) { + var doc = cm.doc, display = cm.display; + if (!doc.mode.startState) { return new Context(doc, true, n) } + var start = findStartLine(cm, n, precise); + var saved = start > doc.first && getLine(doc, start - 1).stateAfter; + var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start); + + doc.iter(start, n, function (line) { + processLine(cm, line.text, context); + var pos = context.line; + line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null; + context.nextLine(); + }); + if (precise) { doc.modeFrontier = context.line; } + return context + } + + // Lightweight form of highlight -- proceed over this line and + // update state, but don't save a style array. Used for lines that + // aren't currently visible. + function processLine(cm, text, context, startAt) { + var mode = cm.doc.mode; + var stream = new StringStream(text, cm.options.tabSize, context); + stream.start = stream.pos = startAt || 0; + if (text == "") { callBlankLine(mode, context.state); } + while (!stream.eol()) { + readToken(mode, stream, context.state); + stream.start = stream.pos; + } + } + + function callBlankLine(mode, state) { + if (mode.blankLine) { return mode.blankLine(state) } + if (!mode.innerMode) { return } + var inner = innerMode(mode, state); + if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) } + } + + function readToken(mode, stream, state, inner) { + for (var i = 0; i < 10; i++) { + if (inner) { inner[0] = innerMode(mode, state).mode; } + var style = mode.token(stream, state); + if (stream.pos > stream.start) { return style } + } + throw new Error("Mode " + mode.name + " failed to advance stream.") + } + + var Token = function(stream, type, state) { + this.start = stream.start; this.end = stream.pos; + this.string = stream.current(); + this.type = type || null; + this.state = state; + }; + + // Utility for getTokenAt and getLineTokens + function takeToken(cm, pos, precise, asArray) { + var doc = cm.doc, mode = doc.mode, style; + pos = clipPos(doc, pos); + var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise); + var stream = new StringStream(line.text, cm.options.tabSize, context), tokens; + if (asArray) { tokens = []; } + while ((asArray || stream.pos < pos.ch) && !stream.eol()) { + stream.start = stream.pos; + style = readToken(mode, stream, context.state); + if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); } + } + return asArray ? tokens : new Token(stream, style, context.state) + } + + function extractLineClasses(type, output) { + if (type) { for (;;) { + var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); + if (!lineClass) { break } + type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); + var prop = lineClass[1] ? "bgClass" : "textClass"; + if (output[prop] == null) + { output[prop] = lineClass[2]; } + else if (!(new RegExp("(?:^|\\s)" + lineClass[2] + "(?:$|\\s)")).test(output[prop])) + { output[prop] += " " + lineClass[2]; } + } } + return type + } + + // Run the given mode's parser over a line, calling f for each token. + function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) { + var flattenSpans = mode.flattenSpans; + if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; } + var curStart = 0, curStyle = null; + var stream = new StringStream(text, cm.options.tabSize, context), style; + var inner = cm.options.addModeClass && [null]; + if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); } + while (!stream.eol()) { + if (stream.pos > cm.options.maxHighlightLength) { + flattenSpans = false; + if (forceToEnd) { processLine(cm, text, context, stream.pos); } + stream.pos = text.length; + style = null; + } else { + style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses); + } + if (inner) { + var mName = inner[0].name; + if (mName) { style = "m-" + (style ? mName + " " + style : mName); } + } + if (!flattenSpans || curStyle != style) { + while (curStart < stream.start) { + curStart = Math.min(stream.start, curStart + 5000); + f(curStart, curStyle); + } + curStyle = style; + } + stream.start = stream.pos; + } + while (curStart < stream.pos) { + // Webkit seems to refuse to render text nodes longer than 57444 + // characters, and returns inaccurate measurements in nodes + // starting around 5000 chars. + var pos = Math.min(stream.pos, curStart + 5000); + f(pos, curStyle); + curStart = pos; + } + } + + // Finds the line to start with when starting a parse. Tries to + // find a line with a stateAfter, so that it can start with a + // valid state. If that fails, it returns the line with the + // smallest indentation, which tends to need the least context to + // parse correctly. + function findStartLine(cm, n, precise) { + var minindent, minline, doc = cm.doc; + var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); + for (var search = n; search > lim; --search) { + if (search <= doc.first) { return doc.first } + var line = getLine(doc, search - 1), after = line.stateAfter; + if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier)) + { return search } + var indented = countColumn(line.text, null, cm.options.tabSize); + if (minline == null || minindent > indented) { + minline = search - 1; + minindent = indented; + } + } + return minline + } + + function retreatFrontier(doc, n) { + doc.modeFrontier = Math.min(doc.modeFrontier, n); + if (doc.highlightFrontier < n - 10) { return } + var start = doc.first; + for (var line = n - 1; line > start; line--) { + var saved = getLine(doc, line).stateAfter; + // change is on 3 + // state on line 1 looked ahead 2 -- so saw 3 + // test 1 + 2 < 3 should cover this + if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) { + start = line + 1; + break + } + } + doc.highlightFrontier = Math.min(doc.highlightFrontier, start); + } + + // Optimize some code when these features are not used. + var sawReadOnlySpans = false, sawCollapsedSpans = false; + + function seeReadOnlySpans() { + sawReadOnlySpans = true; + } + + function seeCollapsedSpans() { + sawCollapsedSpans = true; + } + + // TEXTMARKER SPANS + + function MarkedSpan(marker, from, to) { + this.marker = marker; + this.from = from; this.to = to; + } + + // Search an array of spans for a span matching the given marker. + function getMarkedSpanFor(spans, marker) { + if (spans) { for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.marker == marker) { return span } + } } + } + + // Remove a span from an array, returning undefined if no spans are + // left (we don't store arrays for lines without spans). + function removeMarkedSpan(spans, span) { + var r; + for (var i = 0; i < spans.length; ++i) + { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } } + return r + } + + // Add a span to a line. + function addMarkedSpan(line, span, op) { + var inThisOp = op && window.WeakSet && (op.markedSpans || (op.markedSpans = new WeakSet)); + if (inThisOp && line.markedSpans && inThisOp.has(line.markedSpans)) { + line.markedSpans.push(span); + } else { + line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; + if (inThisOp) { inThisOp.add(line.markedSpans); } + } + span.marker.attachLine(line); + } + + // Used for the algorithm that adjusts markers for a change in the + // document. These functions cut an array of spans at a given + // character position, returning an array of remaining chunks (or + // undefined if nothing remains). + function markedSpansBefore(old, startCh, isInsert) { + var nw; + if (old) { for (var i = 0; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); + if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh) + ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); + } + } } + return nw + } + function markedSpansAfter(old, endCh, isInsert) { + var nw; + if (old) { for (var i = 0; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); + if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh) + ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, + span.to == null ? null : span.to - endCh)); + } + } } + return nw + } + + // Given a change object, compute the new set of marker spans that + // cover the line in which the change took place. Removes spans + // entirely within the change, reconnects spans belonging to the + // same marker that appear on both sides of the change, and cuts off + // spans partially within the change. Returns an array of span + // arrays with one element for each line in (after) the change. + function stretchSpansOverChange(doc, change) { + if (change.full) { return null } + var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; + var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; + if (!oldFirst && !oldLast) { return null } + + var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; + // Get the spans that 'stick out' on both sides + var first = markedSpansBefore(oldFirst, startCh, isInsert); + var last = markedSpansAfter(oldLast, endCh, isInsert); + + // Next, merge those two ends + var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); + if (first) { + // Fix up .to properties of first + for (var i = 0; i < first.length; ++i) { + var span = first[i]; + if (span.to == null) { + var found = getMarkedSpanFor(last, span.marker); + if (!found) { span.to = startCh; } + else if (sameLine) { span.to = found.to == null ? null : found.to + offset; } + } + } + } + if (last) { + // Fix up .from in last (or move them into first in case of sameLine) + for (var i$1 = 0; i$1 < last.length; ++i$1) { + var span$1 = last[i$1]; + if (span$1.to != null) { span$1.to += offset; } + if (span$1.from == null) { + var found$1 = getMarkedSpanFor(first, span$1.marker); + if (!found$1) { + span$1.from = offset; + if (sameLine) { (first || (first = [])).push(span$1); } + } + } else { + span$1.from += offset; + if (sameLine) { (first || (first = [])).push(span$1); } + } + } + } + // Make sure we didn't create any zero-length spans + if (first) { first = clearEmptySpans(first); } + if (last && last != first) { last = clearEmptySpans(last); } + + var newMarkers = [first]; + if (!sameLine) { + // Fill gap with whole-line-spans + var gap = change.text.length - 2, gapMarkers; + if (gap > 0 && first) + { for (var i$2 = 0; i$2 < first.length; ++i$2) + { if (first[i$2].to == null) + { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } } + for (var i$3 = 0; i$3 < gap; ++i$3) + { newMarkers.push(gapMarkers); } + newMarkers.push(last); + } + return newMarkers + } + + // Remove spans that are empty and don't have a clearWhenEmpty + // option of false. + function clearEmptySpans(spans) { + for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) + { spans.splice(i--, 1); } + } + if (!spans.length) { return null } + return spans + } + + // Used to 'clip' out readOnly ranges when making a change. + function removeReadOnlyRanges(doc, from, to) { + var markers = null; + doc.iter(from.line, to.line + 1, function (line) { + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { + var mark = line.markedSpans[i].marker; + if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) + { (markers || (markers = [])).push(mark); } + } } + }); + if (!markers) { return null } + var parts = [{from: from, to: to}]; + for (var i = 0; i < markers.length; ++i) { + var mk = markers[i], m = mk.find(0); + for (var j = 0; j < parts.length; ++j) { + var p = parts[j]; + if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue } + var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); + if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) + { newParts.push({from: p.from, to: m.from}); } + if (dto > 0 || !mk.inclusiveRight && !dto) + { newParts.push({from: m.to, to: p.to}); } + parts.splice.apply(parts, newParts); + j += newParts.length - 3; + } + } + return parts + } + + // Connect or disconnect spans from a line. + function detachMarkedSpans(line) { + var spans = line.markedSpans; + if (!spans) { return } + for (var i = 0; i < spans.length; ++i) + { spans[i].marker.detachLine(line); } + line.markedSpans = null; + } + function attachMarkedSpans(line, spans) { + if (!spans) { return } + for (var i = 0; i < spans.length; ++i) + { spans[i].marker.attachLine(line); } + line.markedSpans = spans; + } + + // Helpers used when computing which overlapping collapsed span + // counts as the larger one. + function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 } + function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 } + + // Returns a number indicating which of two overlapping collapsed + // spans is larger (and thus includes the other). Falls back to + // comparing ids when the spans cover exactly the same range. + function compareCollapsedMarkers(a, b) { + var lenDiff = a.lines.length - b.lines.length; + if (lenDiff != 0) { return lenDiff } + var aPos = a.find(), bPos = b.find(); + var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); + if (fromCmp) { return -fromCmp } + var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); + if (toCmp) { return toCmp } + return b.id - a.id + } + + // Find out whether a line ends or starts in a collapsed span. If + // so, return the marker for that span. + function collapsedSpanAtSide(line, start) { + var sps = sawCollapsedSpans && line.markedSpans, found; + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) + { found = sp.marker; } + } } + return found + } + function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) } + function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) } + + function collapsedSpanAround(line, ch) { + var sps = sawCollapsedSpans && line.markedSpans, found; + if (sps) { for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; } + } } + return found + } + + // Test whether there exists a collapsed span that partially + // overlaps (covers the start or end, but not both) of a new span. + // Such overlap is not allowed. + function conflictingCollapsedRange(doc, lineNo, from, to, marker) { + var line = getLine(doc, lineNo); + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) { for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (!sp.marker.collapsed) { continue } + var found = sp.marker.find(0); + var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); + var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); + if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue } + if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || + fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) + { return true } + } } + } + + // A visual line is a line as drawn on the screen. Folding, for + // example, can cause multiple logical lines to appear on the same + // visual line. This finds the start of the visual line that the + // given line is part of (usually that is the line itself). + function visualLine(line) { + var merged; + while (merged = collapsedSpanAtStart(line)) + { line = merged.find(-1, true).line; } + return line + } + + function visualLineEnd(line) { + var merged; + while (merged = collapsedSpanAtEnd(line)) + { line = merged.find(1, true).line; } + return line + } + + // Returns an array of logical lines that continue the visual line + // started by the argument, or undefined if there are no such lines. + function visualLineContinued(line) { + var merged, lines; + while (merged = collapsedSpanAtEnd(line)) { + line = merged.find(1, true).line + ;(lines || (lines = [])).push(line); + } + return lines + } + + // Get the line number of the start of the visual line that the + // given line number is part of. + function visualLineNo(doc, lineN) { + var line = getLine(doc, lineN), vis = visualLine(line); + if (line == vis) { return lineN } + return lineNo(vis) + } + + // Get the line number of the start of the next visual line after + // the given line. + function visualLineEndNo(doc, lineN) { + if (lineN > doc.lastLine()) { return lineN } + var line = getLine(doc, lineN), merged; + if (!lineIsHidden(doc, line)) { return lineN } + while (merged = collapsedSpanAtEnd(line)) + { line = merged.find(1, true).line; } + return lineNo(line) + 1 + } + + // Compute whether a line is hidden. Lines count as hidden when they + // are part of a visual line that starts with another line, or when + // they are entirely covered by collapsed, non-widget span. + function lineIsHidden(doc, line) { + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (!sp.marker.collapsed) { continue } + if (sp.from == null) { return true } + if (sp.marker.widgetNode) { continue } + if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) + { return true } + } } + } + function lineIsHiddenInner(doc, line, span) { + if (span.to == null) { + var end = span.marker.find(1, true); + return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)) + } + if (span.marker.inclusiveRight && span.to == line.text.length) + { return true } + for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) { + sp = line.markedSpans[i]; + if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && + (sp.to == null || sp.to != span.from) && + (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && + lineIsHiddenInner(doc, line, sp)) { return true } + } + } + + // Find the height above the given line. + function heightAtLine(lineObj) { + lineObj = visualLine(lineObj); + + var h = 0, chunk = lineObj.parent; + for (var i = 0; i < chunk.lines.length; ++i) { + var line = chunk.lines[i]; + if (line == lineObj) { break } + else { h += line.height; } + } + for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { + for (var i$1 = 0; i$1 < p.children.length; ++i$1) { + var cur = p.children[i$1]; + if (cur == chunk) { break } + else { h += cur.height; } + } + } + return h + } + + // Compute the character length of a line, taking into account + // collapsed ranges (see markText) that might hide parts, and join + // other lines onto it. + function lineLength(line) { + if (line.height == 0) { return 0 } + var len = line.text.length, merged, cur = line; + while (merged = collapsedSpanAtStart(cur)) { + var found = merged.find(0, true); + cur = found.from.line; + len += found.from.ch - found.to.ch; + } + cur = line; + while (merged = collapsedSpanAtEnd(cur)) { + var found$1 = merged.find(0, true); + len -= cur.text.length - found$1.from.ch; + cur = found$1.to.line; + len += cur.text.length - found$1.to.ch; + } + return len + } + + // Find the longest line in the document. + function findMaxLine(cm) { + var d = cm.display, doc = cm.doc; + d.maxLine = getLine(doc, doc.first); + d.maxLineLength = lineLength(d.maxLine); + d.maxLineChanged = true; + doc.iter(function (line) { + var len = lineLength(line); + if (len > d.maxLineLength) { + d.maxLineLength = len; + d.maxLine = line; + } + }); + } + + // LINE DATA STRUCTURE + + // Line objects. These hold state related to a line, including + // highlighting info (the styles array). + var Line = function(text, markedSpans, estimateHeight) { + this.text = text; + attachMarkedSpans(this, markedSpans); + this.height = estimateHeight ? estimateHeight(this) : 1; + }; + + Line.prototype.lineNo = function () { return lineNo(this) }; + eventMixin(Line); + + // Change the content (text, markers) of a line. Automatically + // invalidates cached information and tries to re-estimate the + // line's height. + function updateLine(line, text, markedSpans, estimateHeight) { + line.text = text; + if (line.stateAfter) { line.stateAfter = null; } + if (line.styles) { line.styles = null; } + if (line.order != null) { line.order = null; } + detachMarkedSpans(line); + attachMarkedSpans(line, markedSpans); + var estHeight = estimateHeight ? estimateHeight(line) : 1; + if (estHeight != line.height) { updateLineHeight(line, estHeight); } + } + + // Detach a line from the document tree and its markers. + function cleanUpLine(line) { + line.parent = null; + detachMarkedSpans(line); + } + + // Convert a style as returned by a mode (either null, or a string + // containing one or more styles) to a CSS style. This is cached, + // and also looks for line-wide styles. + var styleToClassCache = {}, styleToClassCacheWithMode = {}; + function interpretTokenStyle(style, options) { + if (!style || /^\s*$/.test(style)) { return null } + var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; + return cache[style] || + (cache[style] = style.replace(/\S+/g, "cm-$&")) + } + + // Render the DOM representation of the text of a line. Also builds + // up a 'line map', which points at the DOM nodes that represent + // specific stretches of text, and is used by the measuring code. + // The returned object contains the DOM node, this map, and + // information about line-wide styles that were set by the mode. + function buildLineContent(cm, lineView) { + // The padding-right forces the element to have a 'border', which + // is needed on Webkit to be able to get line-level bounding + // rectangles for it (in measureChar). + var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null); + var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content, + col: 0, pos: 0, cm: cm, + trailingSpace: false, + splitSpaces: cm.getOption("lineWrapping")}; + lineView.measure = {}; + + // Iterate over the logical lines that make up this visual line. + for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { + var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0); + builder.pos = 0; + builder.addToken = buildToken; + // Optionally wire in some hacks into the token-rendering + // algorithm, to deal with browser quirks. + if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction))) + { builder.addToken = buildTokenBadBidi(builder.addToken, order); } + builder.map = []; + var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); + insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); + if (line.styleClasses) { + if (line.styleClasses.bgClass) + { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); } + if (line.styleClasses.textClass) + { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); } + } + + // Ensure at least a single node is present, for measuring. + if (builder.map.length == 0) + { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); } + + // Store the map and a cache object for the current logical line + if (i == 0) { + lineView.measure.map = builder.map; + lineView.measure.cache = {}; + } else { + (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map) + ;(lineView.measure.caches || (lineView.measure.caches = [])).push({}); + } + } + + // See issue #2901 + if (webkit) { + var last = builder.content.lastChild; + if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) + { builder.content.className = "cm-tab-wrap-hack"; } + } + + signal(cm, "renderLine", cm, lineView.line, builder.pre); + if (builder.pre.className) + { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); } + + return builder + } + + function defaultSpecialCharPlaceholder(ch) { + var token = elt("span", "\u2022", "cm-invalidchar"); + token.title = "\\u" + ch.charCodeAt(0).toString(16); + token.setAttribute("aria-label", token.title); + return token + } + + // Build up the DOM representation for a single token, and add it to + // the line map. Takes care to render special characters separately. + function buildToken(builder, text, style, startStyle, endStyle, css, attributes) { + if (!text) { return } + var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text; + var special = builder.cm.state.specialChars, mustWrap = false; + var content; + if (!special.test(text)) { + builder.col += text.length; + content = document.createTextNode(displayText); + builder.map.push(builder.pos, builder.pos + text.length, content); + if (ie && ie_version < 9) { mustWrap = true; } + builder.pos += text.length; + } else { + content = document.createDocumentFragment(); + var pos = 0; + while (true) { + special.lastIndex = pos; + var m = special.exec(text); + var skipped = m ? m.index - pos : text.length - pos; + if (skipped) { + var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); } + else { content.appendChild(txt); } + builder.map.push(builder.pos, builder.pos + skipped, txt); + builder.col += skipped; + builder.pos += skipped; + } + if (!m) { break } + pos += skipped + 1; + var txt$1 = (void 0); + if (m[0] == "\t") { + var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; + txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); + txt$1.setAttribute("role", "presentation"); + txt$1.setAttribute("cm-text", "\t"); + builder.col += tabWidth; + } else if (m[0] == "\r" || m[0] == "\n") { + txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); + txt$1.setAttribute("cm-text", m[0]); + builder.col += 1; + } else { + txt$1 = builder.cm.options.specialCharPlaceholder(m[0]); + txt$1.setAttribute("cm-text", m[0]); + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); } + else { content.appendChild(txt$1); } + builder.col += 1; + } + builder.map.push(builder.pos, builder.pos + 1, txt$1); + builder.pos++; + } + } + builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32; + if (style || startStyle || endStyle || mustWrap || css || attributes) { + var fullStyle = style || ""; + if (startStyle) { fullStyle += startStyle; } + if (endStyle) { fullStyle += endStyle; } + var token = elt("span", [content], fullStyle, css); + if (attributes) { + for (var attr in attributes) { if (attributes.hasOwnProperty(attr) && attr != "style" && attr != "class") + { token.setAttribute(attr, attributes[attr]); } } + } + return builder.content.appendChild(token) + } + builder.content.appendChild(content); + } + + // Change some spaces to NBSP to prevent the browser from collapsing + // trailing spaces at the end of a line when rendering text (issue #1362). + function splitSpaces(text, trailingBefore) { + if (text.length > 1 && !/ /.test(text)) { return text } + var spaceBefore = trailingBefore, result = ""; + for (var i = 0; i < text.length; i++) { + var ch = text.charAt(i); + if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32)) + { ch = "\u00a0"; } + result += ch; + spaceBefore = ch == " "; + } + return result + } + + // Work around nonsense dimensions being reported for stretches of + // right-to-left text. + function buildTokenBadBidi(inner, order) { + return function (builder, text, style, startStyle, endStyle, css, attributes) { + style = style ? style + " cm-force-border" : "cm-force-border"; + var start = builder.pos, end = start + text.length; + for (;;) { + // Find the part that overlaps with the start of this text + var part = (void 0); + for (var i = 0; i < order.length; i++) { + part = order[i]; + if (part.to > start && part.from <= start) { break } + } + if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, css, attributes) } + inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes); + startStyle = null; + text = text.slice(part.to - start); + start = part.to; + } + } + } + + function buildCollapsedSpan(builder, size, marker, ignoreWidget) { + var widget = !ignoreWidget && marker.widgetNode; + if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); } + if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { + if (!widget) + { widget = builder.content.appendChild(document.createElement("span")); } + widget.setAttribute("cm-marker", marker.id); + } + if (widget) { + builder.cm.display.input.setUneditable(widget); + builder.content.appendChild(widget); + } + builder.pos += size; + builder.trailingSpace = false; + } + + // Outputs a number of spans to make up a line, taking highlighting + // and marked text into account. + function insertLineContent(line, builder, styles) { + var spans = line.markedSpans, allText = line.text, at = 0; + if (!spans) { + for (var i$1 = 1; i$1 < styles.length; i$1+=2) + { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); } + return + } + + var len = allText.length, pos = 0, i = 1, text = "", style, css; + var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes; + for (;;) { + if (nextChange == pos) { // Update current marker set + spanStyle = spanEndStyle = spanStartStyle = css = ""; + attributes = null; + collapsed = null; nextChange = Infinity; + var foundBookmarks = [], endStyles = (void 0); + for (var j = 0; j < spans.length; ++j) { + var sp = spans[j], m = sp.marker; + if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { + foundBookmarks.push(m); + } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { + if (sp.to != null && sp.to != pos && nextChange > sp.to) { + nextChange = sp.to; + spanEndStyle = ""; + } + if (m.className) { spanStyle += " " + m.className; } + if (m.css) { css = (css ? css + ";" : "") + m.css; } + if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; } + if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); } + // support for the old title property + // https://github.com/codemirror/CodeMirror/pull/5673 + if (m.title) { (attributes || (attributes = {})).title = m.title; } + if (m.attributes) { + for (var attr in m.attributes) + { (attributes || (attributes = {}))[attr] = m.attributes[attr]; } + } + if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) + { collapsed = sp; } + } else if (sp.from > pos && nextChange > sp.from) { + nextChange = sp.from; + } + } + if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2) + { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } } + + if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2) + { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } } + if (collapsed && (collapsed.from || 0) == pos) { + buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, + collapsed.marker, collapsed.from == null); + if (collapsed.to == null) { return } + if (collapsed.to == pos) { collapsed = false; } + } + } + if (pos >= len) { break } + + var upto = Math.min(len, nextChange); + while (true) { + if (text) { + var end = pos + text.length; + if (!collapsed) { + var tokenText = end > upto ? text.slice(0, upto - pos) : text; + builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, + spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", css, attributes); + } + if (end >= upto) {text = text.slice(upto - pos); pos = upto; break} + pos = end; + spanStartStyle = ""; + } + text = allText.slice(at, at = styles[i++]); + style = interpretTokenStyle(styles[i++], builder.cm.options); + } + } + } + + + // These objects are used to represent the visible (currently drawn) + // part of the document. A LineView may correspond to multiple + // logical lines, if those are connected by collapsed ranges. + function LineView(doc, line, lineN) { + // The starting line + this.line = line; + // Continuing lines, if any + this.rest = visualLineContinued(line); + // Number of logical lines in this visual line + this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; + this.node = this.text = null; + this.hidden = lineIsHidden(doc, line); + } + + // Create a range of LineView objects for the given lines. + function buildViewArray(cm, from, to) { + var array = [], nextPos; + for (var pos = from; pos < to; pos = nextPos) { + var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); + nextPos = pos + view.size; + array.push(view); + } + return array + } + + var operationGroup = null; + + function pushOperation(op) { + if (operationGroup) { + operationGroup.ops.push(op); + } else { + op.ownsGroup = operationGroup = { + ops: [op], + delayedCallbacks: [] + }; + } + } + + function fireCallbacksForOps(group) { + // Calls delayed callbacks and cursorActivity handlers until no + // new ones appear + var callbacks = group.delayedCallbacks, i = 0; + do { + for (; i < callbacks.length; i++) + { callbacks[i].call(null); } + for (var j = 0; j < group.ops.length; j++) { + var op = group.ops[j]; + if (op.cursorActivityHandlers) + { while (op.cursorActivityCalled < op.cursorActivityHandlers.length) + { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } } + } + } while (i < callbacks.length) + } + + function finishOperation(op, endCb) { + var group = op.ownsGroup; + if (!group) { return } + + try { fireCallbacksForOps(group); } + finally { + operationGroup = null; + endCb(group); + } + } + + var orphanDelayedCallbacks = null; + + // Often, we want to signal events at a point where we are in the + // middle of some work, but don't want the handler to start calling + // other methods on the editor, which might be in an inconsistent + // state or simply not expect any other events to happen. + // signalLater looks whether there are any handlers, and schedules + // them to be executed when the last operation ends, or, if no + // operation is active, when a timeout fires. + function signalLater(emitter, type /*, values...*/) { + var arr = getHandlers(emitter, type); + if (!arr.length) { return } + var args = Array.prototype.slice.call(arguments, 2), list; + if (operationGroup) { + list = operationGroup.delayedCallbacks; + } else if (orphanDelayedCallbacks) { + list = orphanDelayedCallbacks; + } else { + list = orphanDelayedCallbacks = []; + setTimeout(fireOrphanDelayed, 0); + } + var loop = function ( i ) { + list.push(function () { return arr[i].apply(null, args); }); + }; + + for (var i = 0; i < arr.length; ++i) + loop( i ); + } + + function fireOrphanDelayed() { + var delayed = orphanDelayedCallbacks; + orphanDelayedCallbacks = null; + for (var i = 0; i < delayed.length; ++i) { delayed[i](); } + } + + // When an aspect of a line changes, a string is added to + // lineView.changes. This updates the relevant part of the line's + // DOM structure. + function updateLineForChanges(cm, lineView, lineN, dims) { + for (var j = 0; j < lineView.changes.length; j++) { + var type = lineView.changes[j]; + if (type == "text") { updateLineText(cm, lineView); } + else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); } + else if (type == "class") { updateLineClasses(cm, lineView); } + else if (type == "widget") { updateLineWidgets(cm, lineView, dims); } + } + lineView.changes = null; + } + + // Lines with gutter elements, widgets or a background class need to + // be wrapped, and have the extra elements added to the wrapper div + function ensureLineWrapped(lineView) { + if (lineView.node == lineView.text) { + lineView.node = elt("div", null, null, "position: relative"); + if (lineView.text.parentNode) + { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); } + lineView.node.appendChild(lineView.text); + if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; } + } + return lineView.node + } + + function updateLineBackground(cm, lineView) { + var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; + if (cls) { cls += " CodeMirror-linebackground"; } + if (lineView.background) { + if (cls) { lineView.background.className = cls; } + else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } + } else if (cls) { + var wrap = ensureLineWrapped(lineView); + lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); + cm.display.input.setUneditable(lineView.background); + } + } + + // Wrapper around buildLineContent which will reuse the structure + // in display.externalMeasured when possible. + function getLineContent(cm, lineView) { + var ext = cm.display.externalMeasured; + if (ext && ext.line == lineView.line) { + cm.display.externalMeasured = null; + lineView.measure = ext.measure; + return ext.built + } + return buildLineContent(cm, lineView) + } + + // Redraw the line's text. Interacts with the background and text + // classes because the mode may output tokens that influence these + // classes. + function updateLineText(cm, lineView) { + var cls = lineView.text.className; + var built = getLineContent(cm, lineView); + if (lineView.text == lineView.node) { lineView.node = built.pre; } + lineView.text.parentNode.replaceChild(built.pre, lineView.text); + lineView.text = built.pre; + if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { + lineView.bgClass = built.bgClass; + lineView.textClass = built.textClass; + updateLineClasses(cm, lineView); + } else if (cls) { + lineView.text.className = cls; + } + } + + function updateLineClasses(cm, lineView) { + updateLineBackground(cm, lineView); + if (lineView.line.wrapClass) + { ensureLineWrapped(lineView).className = lineView.line.wrapClass; } + else if (lineView.node != lineView.text) + { lineView.node.className = ""; } + var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; + lineView.text.className = textClass || ""; + } + + function updateLineGutter(cm, lineView, lineN, dims) { + if (lineView.gutter) { + lineView.node.removeChild(lineView.gutter); + lineView.gutter = null; + } + if (lineView.gutterBackground) { + lineView.node.removeChild(lineView.gutterBackground); + lineView.gutterBackground = null; + } + if (lineView.line.gutterClass) { + var wrap = ensureLineWrapped(lineView); + lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, + ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px")); + cm.display.input.setUneditable(lineView.gutterBackground); + wrap.insertBefore(lineView.gutterBackground, lineView.text); + } + var markers = lineView.line.gutterMarkers; + if (cm.options.lineNumbers || markers) { + var wrap$1 = ensureLineWrapped(lineView); + var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px")); + gutterWrap.setAttribute("aria-hidden", "true"); + cm.display.input.setUneditable(gutterWrap); + wrap$1.insertBefore(gutterWrap, lineView.text); + if (lineView.line.gutterClass) + { gutterWrap.className += " " + lineView.line.gutterClass; } + if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) + { lineView.lineNumber = gutterWrap.appendChild( + elt("div", lineNumberFor(cm.options, lineN), + "CodeMirror-linenumber CodeMirror-gutter-elt", + ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); } + if (markers) { for (var k = 0; k < cm.display.gutterSpecs.length; ++k) { + var id = cm.display.gutterSpecs[k].className, found = markers.hasOwnProperty(id) && markers[id]; + if (found) + { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", + ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); } + } } + } + } + + function updateLineWidgets(cm, lineView, dims) { + if (lineView.alignable) { lineView.alignable = null; } + var isWidget = classTest("CodeMirror-linewidget"); + for (var node = lineView.node.firstChild, next = (void 0); node; node = next) { + next = node.nextSibling; + if (isWidget.test(node.className)) { lineView.node.removeChild(node); } + } + insertLineWidgets(cm, lineView, dims); + } + + // Build a line's DOM representation from scratch + function buildLineElement(cm, lineView, lineN, dims) { + var built = getLineContent(cm, lineView); + lineView.text = lineView.node = built.pre; + if (built.bgClass) { lineView.bgClass = built.bgClass; } + if (built.textClass) { lineView.textClass = built.textClass; } + + updateLineClasses(cm, lineView); + updateLineGutter(cm, lineView, lineN, dims); + insertLineWidgets(cm, lineView, dims); + return lineView.node + } + + // A lineView may contain multiple logical lines (when merged by + // collapsed spans). The widgets for all of them need to be drawn. + function insertLineWidgets(cm, lineView, dims) { + insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) + { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } } + } + + function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { + if (!line.widgets) { return } + var wrap = ensureLineWrapped(lineView); + for (var i = 0, ws = line.widgets; i < ws.length; ++i) { + var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget" + (widget.className ? " " + widget.className : "")); + if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); } + positionLineWidget(widget, node, lineView, dims); + cm.display.input.setUneditable(node); + if (allowAbove && widget.above) + { wrap.insertBefore(node, lineView.gutter || lineView.text); } + else + { wrap.appendChild(node); } + signalLater(widget, "redraw"); + } + } + + function positionLineWidget(widget, node, lineView, dims) { + if (widget.noHScroll) { + (lineView.alignable || (lineView.alignable = [])).push(node); + var width = dims.wrapperWidth; + node.style.left = dims.fixedPos + "px"; + if (!widget.coverGutter) { + width -= dims.gutterTotalWidth; + node.style.paddingLeft = dims.gutterTotalWidth + "px"; + } + node.style.width = width + "px"; + } + if (widget.coverGutter) { + node.style.zIndex = 5; + node.style.position = "relative"; + if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; } + } + } + + function widgetHeight(widget) { + if (widget.height != null) { return widget.height } + var cm = widget.doc.cm; + if (!cm) { return 0 } + if (!contains(document.body, widget.node)) { + var parentStyle = "position: relative;"; + if (widget.coverGutter) + { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; } + if (widget.noHScroll) + { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; } + removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); + } + return widget.height = widget.node.parentNode.offsetHeight + } + + // Return true when the given mouse event happened in a widget + function eventInWidget(display, e) { + for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { + if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || + (n.parentNode == display.sizer && n != display.mover)) + { return true } + } + } + + // POSITION MEASUREMENT + + function paddingTop(display) {return display.lineSpace.offsetTop} + function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight} + function paddingH(display) { + if (display.cachedPaddingH) { return display.cachedPaddingH } + var e = removeChildrenAndAdd(display.measure, elt("pre", "x", "CodeMirror-line-like")); + var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; + var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; + if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; } + return data + } + + function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth } + function displayWidth(cm) { + return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth + } + function displayHeight(cm) { + return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight + } + + // Ensure the lineView.wrapping.heights array is populated. This is + // an array of bottom offsets for the lines that make up a drawn + // line. When lineWrapping is on, there might be more than one + // height. + function ensureLineHeights(cm, lineView, rect) { + var wrapping = cm.options.lineWrapping; + var curWidth = wrapping && displayWidth(cm); + if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { + var heights = lineView.measure.heights = []; + if (wrapping) { + lineView.measure.width = curWidth; + var rects = lineView.text.firstChild.getClientRects(); + for (var i = 0; i < rects.length - 1; i++) { + var cur = rects[i], next = rects[i + 1]; + if (Math.abs(cur.bottom - next.bottom) > 2) + { heights.push((cur.bottom + next.top) / 2 - rect.top); } + } + } + heights.push(rect.bottom - rect.top); + } + } + + // Find a line map (mapping character offsets to text nodes) and a + // measurement cache for the given line number. (A line view might + // contain multiple lines when collapsed ranges are present.) + function mapFromLineView(lineView, line, lineN) { + if (lineView.line == line) + { return {map: lineView.measure.map, cache: lineView.measure.cache} } + if (lineView.rest) { + for (var i = 0; i < lineView.rest.length; i++) + { if (lineView.rest[i] == line) + { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } } + for (var i$1 = 0; i$1 < lineView.rest.length; i$1++) + { if (lineNo(lineView.rest[i$1]) > lineN) + { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } } + } + } + + // Render a line into the hidden node display.externalMeasured. Used + // when measurement is needed for a line that's not in the viewport. + function updateExternalMeasurement(cm, line) { + line = visualLine(line); + var lineN = lineNo(line); + var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); + view.lineN = lineN; + var built = view.built = buildLineContent(cm, view); + view.text = built.pre; + removeChildrenAndAdd(cm.display.lineMeasure, built.pre); + return view + } + + // Get a {top, bottom, left, right} box (in line-local coordinates) + // for a given character. + function measureChar(cm, line, ch, bias) { + return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias) + } + + // Find a line view that corresponds to the given line number. + function findViewForLine(cm, lineN) { + if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) + { return cm.display.view[findViewIndex(cm, lineN)] } + var ext = cm.display.externalMeasured; + if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) + { return ext } + } + + // Measurement can be split in two steps, the set-up work that + // applies to the whole line, and the measurement of the actual + // character. Functions like coordsChar, that need to do a lot of + // measurements in a row, can thus ensure that the set-up work is + // only done once. + function prepareMeasureForLine(cm, line) { + var lineN = lineNo(line); + var view = findViewForLine(cm, lineN); + if (view && !view.text) { + view = null; + } else if (view && view.changes) { + updateLineForChanges(cm, view, lineN, getDimensions(cm)); + cm.curOp.forceUpdate = true; + } + if (!view) + { view = updateExternalMeasurement(cm, line); } + + var info = mapFromLineView(view, line, lineN); + return { + line: line, view: view, rect: null, + map: info.map, cache: info.cache, before: info.before, + hasHeights: false + } + } + + // Given a prepared measurement object, measures the position of an + // actual character (or fetches it from the cache). + function measureCharPrepared(cm, prepared, ch, bias, varHeight) { + if (prepared.before) { ch = -1; } + var key = ch + (bias || ""), found; + if (prepared.cache.hasOwnProperty(key)) { + found = prepared.cache[key]; + } else { + if (!prepared.rect) + { prepared.rect = prepared.view.text.getBoundingClientRect(); } + if (!prepared.hasHeights) { + ensureLineHeights(cm, prepared.view, prepared.rect); + prepared.hasHeights = true; + } + found = measureCharInner(cm, prepared, ch, bias); + if (!found.bogus) { prepared.cache[key] = found; } + } + return {left: found.left, right: found.right, + top: varHeight ? found.rtop : found.top, + bottom: varHeight ? found.rbottom : found.bottom} + } + + var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; + + function nodeAndOffsetInLineMap(map, ch, bias) { + var node, start, end, collapse, mStart, mEnd; + // First, search the line map for the text node corresponding to, + // or closest to, the target character. + for (var i = 0; i < map.length; i += 3) { + mStart = map[i]; + mEnd = map[i + 1]; + if (ch < mStart) { + start = 0; end = 1; + collapse = "left"; + } else if (ch < mEnd) { + start = ch - mStart; + end = start + 1; + } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { + end = mEnd - mStart; + start = end - 1; + if (ch >= mEnd) { collapse = "right"; } + } + if (start != null) { + node = map[i + 2]; + if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) + { collapse = bias; } + if (bias == "left" && start == 0) + { while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { + node = map[(i -= 3) + 2]; + collapse = "left"; + } } + if (bias == "right" && start == mEnd - mStart) + { while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { + node = map[(i += 3) + 2]; + collapse = "right"; + } } + break + } + } + return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd} + } + + function getUsefulRect(rects, bias) { + var rect = nullRect; + if (bias == "left") { for (var i = 0; i < rects.length; i++) { + if ((rect = rects[i]).left != rect.right) { break } + } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) { + if ((rect = rects[i$1]).left != rect.right) { break } + } } + return rect + } + + function measureCharInner(cm, prepared, ch, bias) { + var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); + var node = place.node, start = place.start, end = place.end, collapse = place.collapse; + + var rect; + if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. + for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned + while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; } + while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; } + if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) + { rect = node.parentNode.getBoundingClientRect(); } + else + { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); } + if (rect.left || rect.right || start == 0) { break } + end = start; + start = start - 1; + collapse = "right"; + } + if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); } + } else { // If it is a widget, simply get the box for the whole widget. + if (start > 0) { collapse = bias = "right"; } + var rects; + if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) + { rect = rects[bias == "right" ? rects.length - 1 : 0]; } + else + { rect = node.getBoundingClientRect(); } + } + if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { + var rSpan = node.parentNode.getClientRects()[0]; + if (rSpan) + { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; } + else + { rect = nullRect; } + } + + var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; + var mid = (rtop + rbot) / 2; + var heights = prepared.view.measure.heights; + var i = 0; + for (; i < heights.length - 1; i++) + { if (mid < heights[i]) { break } } + var top = i ? heights[i - 1] : 0, bot = heights[i]; + var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, + right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, + top: top, bottom: bot}; + if (!rect.left && !rect.right) { result.bogus = true; } + if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } + + return result + } + + // Work around problem with bounding client rects on ranges being + // returned incorrectly when zoomed on IE10 and below. + function maybeUpdateRectForZooming(measure, rect) { + if (!window.screen || screen.logicalXDPI == null || + screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) + { return rect } + var scaleX = screen.logicalXDPI / screen.deviceXDPI; + var scaleY = screen.logicalYDPI / screen.deviceYDPI; + return {left: rect.left * scaleX, right: rect.right * scaleX, + top: rect.top * scaleY, bottom: rect.bottom * scaleY} + } + + function clearLineMeasurementCacheFor(lineView) { + if (lineView.measure) { + lineView.measure.cache = {}; + lineView.measure.heights = null; + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) + { lineView.measure.caches[i] = {}; } } + } + } + + function clearLineMeasurementCache(cm) { + cm.display.externalMeasure = null; + removeChildren(cm.display.lineMeasure); + for (var i = 0; i < cm.display.view.length; i++) + { clearLineMeasurementCacheFor(cm.display.view[i]); } + } + + function clearCaches(cm) { + clearLineMeasurementCache(cm); + cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; + if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; } + cm.display.lineNumChars = null; + } + + function pageScrollX(doc) { + // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206 + // which causes page_Offset and bounding client rects to use + // different reference viewports and invalidate our calculations. + if (chrome && android) { return -(doc.body.getBoundingClientRect().left - parseInt(getComputedStyle(doc.body).marginLeft)) } + return doc.defaultView.pageXOffset || (doc.documentElement || doc.body).scrollLeft + } + function pageScrollY(doc) { + if (chrome && android) { return -(doc.body.getBoundingClientRect().top - parseInt(getComputedStyle(doc.body).marginTop)) } + return doc.defaultView.pageYOffset || (doc.documentElement || doc.body).scrollTop + } + + function widgetTopHeight(lineObj) { + var ref = visualLine(lineObj); + var widgets = ref.widgets; + var height = 0; + if (widgets) { for (var i = 0; i < widgets.length; ++i) { if (widgets[i].above) + { height += widgetHeight(widgets[i]); } } } + return height + } + + // Converts a {top, bottom, left, right} box from line-local + // coordinates into another coordinate system. Context may be one of + // "line", "div" (display.lineDiv), "local"./null (editor), "window", + // or "page". + function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) { + if (!includeWidgets) { + var height = widgetTopHeight(lineObj); + rect.top += height; rect.bottom += height; + } + if (context == "line") { return rect } + if (!context) { context = "local"; } + var yOff = heightAtLine(lineObj); + if (context == "local") { yOff += paddingTop(cm.display); } + else { yOff -= cm.display.viewOffset; } + if (context == "page" || context == "window") { + var lOff = cm.display.lineSpace.getBoundingClientRect(); + yOff += lOff.top + (context == "window" ? 0 : pageScrollY(doc(cm))); + var xOff = lOff.left + (context == "window" ? 0 : pageScrollX(doc(cm))); + rect.left += xOff; rect.right += xOff; + } + rect.top += yOff; rect.bottom += yOff; + return rect + } + + // Coverts a box from "div" coords to another coordinate system. + // Context may be "window", "page", "div", or "local"./null. + function fromCoordSystem(cm, coords, context) { + if (context == "div") { return coords } + var left = coords.left, top = coords.top; + // First move into "page" coordinate system + if (context == "page") { + left -= pageScrollX(doc(cm)); + top -= pageScrollY(doc(cm)); + } else if (context == "local" || !context) { + var localBox = cm.display.sizer.getBoundingClientRect(); + left += localBox.left; + top += localBox.top; + } + + var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); + return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top} + } + + function charCoords(cm, pos, context, lineObj, bias) { + if (!lineObj) { lineObj = getLine(cm.doc, pos.line); } + return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context) + } + + // Returns a box for a given cursor position, which may have an + // 'other' property containing the position of the secondary cursor + // on a bidi boundary. + // A cursor Pos(line, char, "before") is on the same visual line as `char - 1` + // and after `char - 1` in writing order of `char - 1` + // A cursor Pos(line, char, "after") is on the same visual line as `char` + // and before `char` in writing order of `char` + // Examples (upper-case letters are RTL, lower-case are LTR): + // Pos(0, 1, ...) + // before after + // ab a|b a|b + // aB a|B aB| + // Ab |Ab A|b + // AB B|A B|A + // Every position after the last character on a line is considered to stick + // to the last character on the line. + function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { + lineObj = lineObj || getLine(cm.doc, pos.line); + if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } + function get(ch, right) { + var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); + if (right) { m.left = m.right; } else { m.right = m.left; } + return intoCoordSystem(cm, lineObj, m, context) + } + var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky; + if (ch >= lineObj.text.length) { + ch = lineObj.text.length; + sticky = "before"; + } else if (ch <= 0) { + ch = 0; + sticky = "after"; + } + if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") } + + function getBidi(ch, partPos, invert) { + var part = order[partPos], right = part.level == 1; + return get(invert ? ch - 1 : ch, right != invert) + } + var partPos = getBidiPartAt(order, ch, sticky); + var other = bidiOther; + var val = getBidi(ch, partPos, sticky == "before"); + if (other != null) { val.other = getBidi(ch, other, sticky != "before"); } + return val + } + + // Used to cheaply estimate the coordinates for a position. Used for + // intermediate scroll updates. + function estimateCoords(cm, pos) { + var left = 0; + pos = clipPos(cm.doc, pos); + if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; } + var lineObj = getLine(cm.doc, pos.line); + var top = heightAtLine(lineObj) + paddingTop(cm.display); + return {left: left, right: left, top: top, bottom: top + lineObj.height} + } + + // Positions returned by coordsChar contain some extra information. + // xRel is the relative x position of the input coordinates compared + // to the found position (so xRel > 0 means the coordinates are to + // the right of the character position, for example). When outside + // is true, that means the coordinates lie outside the line's + // vertical range. + function PosWithInfo(line, ch, sticky, outside, xRel) { + var pos = Pos(line, ch, sticky); + pos.xRel = xRel; + if (outside) { pos.outside = outside; } + return pos + } + + // Compute the character position closest to the given coordinates. + // Input must be lineSpace-local ("div" coordinate system). + function coordsChar(cm, x, y) { + var doc = cm.doc; + y += cm.display.viewOffset; + if (y < 0) { return PosWithInfo(doc.first, 0, null, -1, -1) } + var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; + if (lineN > last) + { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, 1, 1) } + if (x < 0) { x = 0; } + + var lineObj = getLine(doc, lineN); + for (;;) { + var found = coordsCharInner(cm, lineObj, lineN, x, y); + var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 || found.outside > 0 ? 1 : 0)); + if (!collapsed) { return found } + var rangeEnd = collapsed.find(1); + if (rangeEnd.line == lineN) { return rangeEnd } + lineObj = getLine(doc, lineN = rangeEnd.line); + } + } + + function wrappedLineExtent(cm, lineObj, preparedMeasure, y) { + y -= widgetTopHeight(lineObj); + var end = lineObj.text.length; + var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0); + end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end); + return {begin: begin, end: end} + } + + function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) { + if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } + var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top; + return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop) + } + + // Returns true if the given side of a box is after the given + // coordinates, in top-to-bottom, left-to-right order. + function boxIsAfter(box, x, y, left) { + return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x + } + + function coordsCharInner(cm, lineObj, lineNo, x, y) { + // Move y into line-local coordinate space + y -= heightAtLine(lineObj); + var preparedMeasure = prepareMeasureForLine(cm, lineObj); + // When directly calling `measureCharPrepared`, we have to adjust + // for the widgets at this line. + var widgetHeight = widgetTopHeight(lineObj); + var begin = 0, end = lineObj.text.length, ltr = true; + + var order = getOrder(lineObj, cm.doc.direction); + // If the line isn't plain left-to-right text, first figure out + // which bidi section the coordinates fall into. + if (order) { + var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart) + (cm, lineObj, lineNo, preparedMeasure, order, x, y); + ltr = part.level != 1; + // The awkward -1 offsets are needed because findFirst (called + // on these below) will treat its first bound as inclusive, + // second as exclusive, but we want to actually address the + // characters in the part's range + begin = ltr ? part.from : part.to - 1; + end = ltr ? part.to : part.from - 1; + } + + // A binary search to find the first character whose bounding box + // starts after the coordinates. If we run across any whose box wrap + // the coordinates, store that. + var chAround = null, boxAround = null; + var ch = findFirst(function (ch) { + var box = measureCharPrepared(cm, preparedMeasure, ch); + box.top += widgetHeight; box.bottom += widgetHeight; + if (!boxIsAfter(box, x, y, false)) { return false } + if (box.top <= y && box.left <= x) { + chAround = ch; + boxAround = box; + } + return true + }, begin, end); + + var baseX, sticky, outside = false; + // If a box around the coordinates was found, use that + if (boxAround) { + // Distinguish coordinates nearer to the left or right side of the box + var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr; + ch = chAround + (atStart ? 0 : 1); + sticky = atStart ? "after" : "before"; + baseX = atLeft ? boxAround.left : boxAround.right; + } else { + // (Adjust for extended bound, if necessary.) + if (!ltr && (ch == end || ch == begin)) { ch++; } + // To determine which side to associate with, get the box to the + // left of the character and compare it's vertical position to the + // coordinates + sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" : + (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight <= y) == ltr ? + "after" : "before"; + // Now get accurate coordinates for this place, in order to get a + // base X position + var coords = cursorCoords(cm, Pos(lineNo, ch, sticky), "line", lineObj, preparedMeasure); + baseX = coords.left; + outside = y < coords.top ? -1 : y >= coords.bottom ? 1 : 0; + } + + ch = skipExtendingChars(lineObj.text, ch, 1); + return PosWithInfo(lineNo, ch, sticky, outside, x - baseX) + } + + function coordsBidiPart(cm, lineObj, lineNo, preparedMeasure, order, x, y) { + // Bidi parts are sorted left-to-right, and in a non-line-wrapping + // situation, we can take this ordering to correspond to the visual + // ordering. This finds the first part whose end is after the given + // coordinates. + var index = findFirst(function (i) { + var part = order[i], ltr = part.level != 1; + return boxIsAfter(cursorCoords(cm, Pos(lineNo, ltr ? part.to : part.from, ltr ? "before" : "after"), + "line", lineObj, preparedMeasure), x, y, true) + }, 0, order.length - 1); + var part = order[index]; + // If this isn't the first part, the part's start is also after + // the coordinates, and the coordinates aren't on the same line as + // that start, move one part back. + if (index > 0) { + var ltr = part.level != 1; + var start = cursorCoords(cm, Pos(lineNo, ltr ? part.from : part.to, ltr ? "after" : "before"), + "line", lineObj, preparedMeasure); + if (boxIsAfter(start, x, y, true) && start.top > y) + { part = order[index - 1]; } + } + return part + } + + function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) { + // In a wrapped line, rtl text on wrapping boundaries can do things + // that don't correspond to the ordering in our `order` array at + // all, so a binary search doesn't work, and we want to return a + // part that only spans one line so that the binary search in + // coordsCharInner is safe. As such, we first find the extent of the + // wrapped line, and then do a flat search in which we discard any + // spans that aren't on the line. + var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y); + var begin = ref.begin; + var end = ref.end; + if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; } + var part = null, closestDist = null; + for (var i = 0; i < order.length; i++) { + var p = order[i]; + if (p.from >= end || p.to <= begin) { continue } + var ltr = p.level != 1; + var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right; + // Weigh against spans ending before this, so that they are only + // picked if nothing ends after + var dist = endX < x ? x - endX + 1e9 : endX - x; + if (!part || closestDist > dist) { + part = p; + closestDist = dist; + } + } + if (!part) { part = order[order.length - 1]; } + // Clip the part to the wrapped line. + if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; } + if (part.to > end) { part = {from: part.from, to: end, level: part.level}; } + return part + } + + var measureText; + // Compute the default text height. + function textHeight(display) { + if (display.cachedTextHeight != null) { return display.cachedTextHeight } + if (measureText == null) { + measureText = elt("pre", null, "CodeMirror-line-like"); + // Measure a bunch of lines, for browsers that compute + // fractional heights. + for (var i = 0; i < 49; ++i) { + measureText.appendChild(document.createTextNode("x")); + measureText.appendChild(elt("br")); + } + measureText.appendChild(document.createTextNode("x")); + } + removeChildrenAndAdd(display.measure, measureText); + var height = measureText.offsetHeight / 50; + if (height > 3) { display.cachedTextHeight = height; } + removeChildren(display.measure); + return height || 1 + } + + // Compute the default character width. + function charWidth(display) { + if (display.cachedCharWidth != null) { return display.cachedCharWidth } + var anchor = elt("span", "xxxxxxxxxx"); + var pre = elt("pre", [anchor], "CodeMirror-line-like"); + removeChildrenAndAdd(display.measure, pre); + var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; + if (width > 2) { display.cachedCharWidth = width; } + return width || 10 + } + + // Do a bulk-read of the DOM positions and sizes needed to draw the + // view, so that we don't interleave reading and writing to the DOM. + function getDimensions(cm) { + var d = cm.display, left = {}, width = {}; + var gutterLeft = d.gutters.clientLeft; + for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { + var id = cm.display.gutterSpecs[i].className; + left[id] = n.offsetLeft + n.clientLeft + gutterLeft; + width[id] = n.clientWidth; + } + return {fixedPos: compensateForHScroll(d), + gutterTotalWidth: d.gutters.offsetWidth, + gutterLeft: left, + gutterWidth: width, + wrapperWidth: d.wrapper.clientWidth} + } + + // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, + // but using getBoundingClientRect to get a sub-pixel-accurate + // result. + function compensateForHScroll(display) { + return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left + } + + // Returns a function that estimates the height of a line, to use as + // first approximation until the line becomes visible (and is thus + // properly measurable). + function estimateHeight(cm) { + var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; + var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); + return function (line) { + if (lineIsHidden(cm.doc, line)) { return 0 } + + var widgetsHeight = 0; + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) { + if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; } + } } + + if (wrapping) + { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th } + else + { return widgetsHeight + th } + } + } + + function estimateLineHeights(cm) { + var doc = cm.doc, est = estimateHeight(cm); + doc.iter(function (line) { + var estHeight = est(line); + if (estHeight != line.height) { updateLineHeight(line, estHeight); } + }); + } + + // Given a mouse event, find the corresponding position. If liberal + // is false, it checks whether a gutter or scrollbar was clicked, + // and returns null if it was. forRect is used by rectangular + // selections, and tries to estimate a character position even for + // coordinates beyond the right of the text. + function posFromMouse(cm, e, liberal, forRect) { + var display = cm.display; + if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null } + + var x, y, space = display.lineSpace.getBoundingClientRect(); + // Fails unpredictably on IE[67] when mouse is dragged around quickly. + try { x = e.clientX - space.left; y = e.clientY - space.top; } + catch (e$1) { return null } + var coords = coordsChar(cm, x, y), line; + if (forRect && coords.xRel > 0 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { + var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; + coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); + } + return coords + } + + // Find the view element corresponding to a given line. Return null + // when the line isn't visible. + function findViewIndex(cm, n) { + if (n >= cm.display.viewTo) { return null } + n -= cm.display.viewFrom; + if (n < 0) { return null } + var view = cm.display.view; + for (var i = 0; i < view.length; i++) { + n -= view[i].size; + if (n < 0) { return i } + } + } + + // Updates the display.view data structure for a given change to the + // document. From and to are in pre-change coordinates. Lendiff is + // the amount of lines added or subtracted by the change. This is + // used for changes that span multiple lines, or change the way + // lines are divided into visual lines. regLineChange (below) + // registers single-line changes. + function regChange(cm, from, to, lendiff) { + if (from == null) { from = cm.doc.first; } + if (to == null) { to = cm.doc.first + cm.doc.size; } + if (!lendiff) { lendiff = 0; } + + var display = cm.display; + if (lendiff && to < display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers > from)) + { display.updateLineNumbers = from; } + + cm.curOp.viewChanged = true; + + if (from >= display.viewTo) { // Change after + if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) + { resetView(cm); } + } else if (to <= display.viewFrom) { // Change before + if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { + resetView(cm); + } else { + display.viewFrom += lendiff; + display.viewTo += lendiff; + } + } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap + resetView(cm); + } else if (from <= display.viewFrom) { // Top overlap + var cut = viewCuttingPoint(cm, to, to + lendiff, 1); + if (cut) { + display.view = display.view.slice(cut.index); + display.viewFrom = cut.lineN; + display.viewTo += lendiff; + } else { + resetView(cm); + } + } else if (to >= display.viewTo) { // Bottom overlap + var cut$1 = viewCuttingPoint(cm, from, from, -1); + if (cut$1) { + display.view = display.view.slice(0, cut$1.index); + display.viewTo = cut$1.lineN; + } else { + resetView(cm); + } + } else { // Gap in the middle + var cutTop = viewCuttingPoint(cm, from, from, -1); + var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); + if (cutTop && cutBot) { + display.view = display.view.slice(0, cutTop.index) + .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) + .concat(display.view.slice(cutBot.index)); + display.viewTo += lendiff; + } else { + resetView(cm); + } + } + + var ext = display.externalMeasured; + if (ext) { + if (to < ext.lineN) + { ext.lineN += lendiff; } + else if (from < ext.lineN + ext.size) + { display.externalMeasured = null; } + } + } + + // Register a change to a single line. Type must be one of "text", + // "gutter", "class", "widget" + function regLineChange(cm, line, type) { + cm.curOp.viewChanged = true; + var display = cm.display, ext = cm.display.externalMeasured; + if (ext && line >= ext.lineN && line < ext.lineN + ext.size) + { display.externalMeasured = null; } + + if (line < display.viewFrom || line >= display.viewTo) { return } + var lineView = display.view[findViewIndex(cm, line)]; + if (lineView.node == null) { return } + var arr = lineView.changes || (lineView.changes = []); + if (indexOf(arr, type) == -1) { arr.push(type); } + } + + // Clear the view. + function resetView(cm) { + cm.display.viewFrom = cm.display.viewTo = cm.doc.first; + cm.display.view = []; + cm.display.viewOffset = 0; + } + + function viewCuttingPoint(cm, oldN, newN, dir) { + var index = findViewIndex(cm, oldN), diff, view = cm.display.view; + if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) + { return {index: index, lineN: newN} } + var n = cm.display.viewFrom; + for (var i = 0; i < index; i++) + { n += view[i].size; } + if (n != oldN) { + if (dir > 0) { + if (index == view.length - 1) { return null } + diff = (n + view[index].size) - oldN; + index++; + } else { + diff = n - oldN; + } + oldN += diff; newN += diff; + } + while (visualLineNo(cm.doc, newN) != newN) { + if (index == (dir < 0 ? 0 : view.length - 1)) { return null } + newN += dir * view[index - (dir < 0 ? 1 : 0)].size; + index += dir; + } + return {index: index, lineN: newN} + } + + // Force the view to cover a given range, adding empty view element + // or clipping off existing ones as needed. + function adjustView(cm, from, to) { + var display = cm.display, view = display.view; + if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { + display.view = buildViewArray(cm, from, to); + display.viewFrom = from; + } else { + if (display.viewFrom > from) + { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); } + else if (display.viewFrom < from) + { display.view = display.view.slice(findViewIndex(cm, from)); } + display.viewFrom = from; + if (display.viewTo < to) + { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); } + else if (display.viewTo > to) + { display.view = display.view.slice(0, findViewIndex(cm, to)); } + } + display.viewTo = to; + } + + // Count the number of lines in the view whose DOM representation is + // out of date (or nonexistent). + function countDirtyView(cm) { + var view = cm.display.view, dirty = 0; + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; } + } + return dirty + } + + function updateSelection(cm) { + cm.display.input.showSelection(cm.display.input.prepareSelection()); + } + + function prepareSelection(cm, primary) { + if ( primary === void 0 ) primary = true; + + var doc = cm.doc, result = {}; + var curFragment = result.cursors = document.createDocumentFragment(); + var selFragment = result.selection = document.createDocumentFragment(); + + var customCursor = cm.options.$customCursor; + if (customCursor) { primary = true; } + for (var i = 0; i < doc.sel.ranges.length; i++) { + if (!primary && i == doc.sel.primIndex) { continue } + var range = doc.sel.ranges[i]; + if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) { continue } + var collapsed = range.empty(); + if (customCursor) { + var head = customCursor(cm, range); + if (head) { drawSelectionCursor(cm, head, curFragment); } + } else if (collapsed || cm.options.showCursorWhenSelecting) { + drawSelectionCursor(cm, range.head, curFragment); + } + if (!collapsed) + { drawSelectionRange(cm, range, selFragment); } + } + return result + } + + // Draws a cursor for the given range + function drawSelectionCursor(cm, head, output) { + var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); + + var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); + cursor.style.left = pos.left + "px"; + cursor.style.top = pos.top + "px"; + cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; + + if (/\bcm-fat-cursor\b/.test(cm.getWrapperElement().className)) { + var charPos = charCoords(cm, head, "div", null, null); + var width = charPos.right - charPos.left; + cursor.style.width = (width > 0 ? width : cm.defaultCharWidth()) + "px"; + } + + if (pos.other) { + // Secondary cursor, shown when on a 'jump' in bi-directional text + var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); + otherCursor.style.display = ""; + otherCursor.style.left = pos.other.left + "px"; + otherCursor.style.top = pos.other.top + "px"; + otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; + } + } + + function cmpCoords(a, b) { return a.top - b.top || a.left - b.left } + + // Draws the given range as a highlighted selection + function drawSelectionRange(cm, range, output) { + var display = cm.display, doc = cm.doc; + var fragment = document.createDocumentFragment(); + var padding = paddingH(cm.display), leftSide = padding.left; + var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; + var docLTR = doc.direction == "ltr"; + + function add(left, top, width, bottom) { + if (top < 0) { top = 0; } + top = Math.round(top); + bottom = Math.round(bottom); + fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px"))); + } + + function drawForLine(line, fromArg, toArg) { + var lineObj = getLine(doc, line); + var lineLen = lineObj.text.length; + var start, end; + function coords(ch, bias) { + return charCoords(cm, Pos(line, ch), "div", lineObj, bias) + } + + function wrapX(pos, dir, side) { + var extent = wrappedLineExtentChar(cm, lineObj, null, pos); + var prop = (dir == "ltr") == (side == "after") ? "left" : "right"; + var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1); + return coords(ch, prop)[prop] + } + + var order = getOrder(lineObj, doc.direction); + iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) { + var ltr = dir == "ltr"; + var fromPos = coords(from, ltr ? "left" : "right"); + var toPos = coords(to - 1, ltr ? "right" : "left"); + + var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen; + var first = i == 0, last = !order || i == order.length - 1; + if (toPos.top - fromPos.top <= 3) { // Single line + var openLeft = (docLTR ? openStart : openEnd) && first; + var openRight = (docLTR ? openEnd : openStart) && last; + var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left; + var right = openRight ? rightSide : (ltr ? toPos : fromPos).right; + add(left, fromPos.top, right - left, fromPos.bottom); + } else { // Multiple lines + var topLeft, topRight, botLeft, botRight; + if (ltr) { + topLeft = docLTR && openStart && first ? leftSide : fromPos.left; + topRight = docLTR ? rightSide : wrapX(from, dir, "before"); + botLeft = docLTR ? leftSide : wrapX(to, dir, "after"); + botRight = docLTR && openEnd && last ? rightSide : toPos.right; + } else { + topLeft = !docLTR ? leftSide : wrapX(from, dir, "before"); + topRight = !docLTR && openStart && first ? rightSide : fromPos.right; + botLeft = !docLTR && openEnd && last ? leftSide : toPos.left; + botRight = !docLTR ? rightSide : wrapX(to, dir, "after"); + } + add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom); + if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); } + add(botLeft, toPos.top, botRight - botLeft, toPos.bottom); + } + + if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; } + if (cmpCoords(toPos, start) < 0) { start = toPos; } + if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; } + if (cmpCoords(toPos, end) < 0) { end = toPos; } + }); + return {start: start, end: end} + } + + var sFrom = range.from(), sTo = range.to(); + if (sFrom.line == sTo.line) { + drawForLine(sFrom.line, sFrom.ch, sTo.ch); + } else { + var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); + var singleVLine = visualLine(fromLine) == visualLine(toLine); + var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; + var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; + if (singleVLine) { + if (leftEnd.top < rightStart.top - 2) { + add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); + add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); + } else { + add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); + } + } + if (leftEnd.bottom < rightStart.top) + { add(leftSide, leftEnd.bottom, null, rightStart.top); } + } + + output.appendChild(fragment); + } + + // Cursor-blinking + function restartBlink(cm) { + if (!cm.state.focused) { return } + var display = cm.display; + clearInterval(display.blinker); + var on = true; + display.cursorDiv.style.visibility = ""; + if (cm.options.cursorBlinkRate > 0) + { display.blinker = setInterval(function () { + if (!cm.hasFocus()) { onBlur(cm); } + display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; + }, cm.options.cursorBlinkRate); } + else if (cm.options.cursorBlinkRate < 0) + { display.cursorDiv.style.visibility = "hidden"; } + } + + function ensureFocus(cm) { + if (!cm.hasFocus()) { + cm.display.input.focus(); + if (!cm.state.focused) { onFocus(cm); } + } + } + + function delayBlurEvent(cm) { + cm.state.delayingBlurEvent = true; + setTimeout(function () { if (cm.state.delayingBlurEvent) { + cm.state.delayingBlurEvent = false; + if (cm.state.focused) { onBlur(cm); } + } }, 100); + } + + function onFocus(cm, e) { + if (cm.state.delayingBlurEvent && !cm.state.draggingText) { cm.state.delayingBlurEvent = false; } + + if (cm.options.readOnly == "nocursor") { return } + if (!cm.state.focused) { + signal(cm, "focus", cm, e); + cm.state.focused = true; + addClass(cm.display.wrapper, "CodeMirror-focused"); + // This test prevents this from firing when a context + // menu is closed (since the input reset would kill the + // select-all detection hack) + if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { + cm.display.input.reset(); + if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730 + } + cm.display.input.receivedFocus(); + } + restartBlink(cm); + } + function onBlur(cm, e) { + if (cm.state.delayingBlurEvent) { return } + + if (cm.state.focused) { + signal(cm, "blur", cm, e); + cm.state.focused = false; + rmClass(cm.display.wrapper, "CodeMirror-focused"); + } + clearInterval(cm.display.blinker); + setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150); + } + + // Read the actual heights of the rendered lines, and update their + // stored heights to match. + function updateHeightsInViewport(cm) { + var display = cm.display; + var prevBottom = display.lineDiv.offsetTop; + var viewTop = Math.max(0, display.scroller.getBoundingClientRect().top); + var oldHeight = display.lineDiv.getBoundingClientRect().top; + var mustScroll = 0; + for (var i = 0; i < display.view.length; i++) { + var cur = display.view[i], wrapping = cm.options.lineWrapping; + var height = (void 0), width = 0; + if (cur.hidden) { continue } + oldHeight += cur.line.height; + if (ie && ie_version < 8) { + var bot = cur.node.offsetTop + cur.node.offsetHeight; + height = bot - prevBottom; + prevBottom = bot; + } else { + var box = cur.node.getBoundingClientRect(); + height = box.bottom - box.top; + // Check that lines don't extend past the right of the current + // editor width + if (!wrapping && cur.text.firstChild) + { width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1; } + } + var diff = cur.line.height - height; + if (diff > .005 || diff < -.005) { + if (oldHeight < viewTop) { mustScroll -= diff; } + updateLineHeight(cur.line, height); + updateWidgetHeight(cur.line); + if (cur.rest) { for (var j = 0; j < cur.rest.length; j++) + { updateWidgetHeight(cur.rest[j]); } } + } + if (width > cm.display.sizerWidth) { + var chWidth = Math.ceil(width / charWidth(cm.display)); + if (chWidth > cm.display.maxLineLength) { + cm.display.maxLineLength = chWidth; + cm.display.maxLine = cur.line; + cm.display.maxLineChanged = true; + } + } + } + if (Math.abs(mustScroll) > 2) { display.scroller.scrollTop += mustScroll; } + } + + // Read and store the height of line widgets associated with the + // given line. + function updateWidgetHeight(line) { + if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) { + var w = line.widgets[i], parent = w.node.parentNode; + if (parent) { w.height = parent.offsetHeight; } + } } + } + + // Compute the lines that are visible in a given viewport (defaults + // the the current scroll position). viewport may contain top, + // height, and ensure (see op.scrollToPos) properties. + function visibleLines(display, doc, viewport) { + var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; + top = Math.floor(top - paddingTop(display)); + var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; + + var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); + // Ensure is a {from: {line, ch}, to: {line, ch}} object, and + // forces those lines into the viewport (if possible). + if (viewport && viewport.ensure) { + var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; + if (ensureFrom < from) { + from = ensureFrom; + to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); + } else if (Math.min(ensureTo, doc.lastLine()) >= to) { + from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); + to = ensureTo; + } + } + return {from: from, to: Math.max(to, from + 1)} + } + + // SCROLLING THINGS INTO VIEW + + // If an editor sits on the top or bottom of the window, partially + // scrolled out of view, this ensures that the cursor is visible. + function maybeScrollWindow(cm, rect) { + if (signalDOMEvent(cm, "scrollCursorIntoView")) { return } + + var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; + var doc = display.wrapper.ownerDocument; + if (rect.top + box.top < 0) { doScroll = true; } + else if (rect.bottom + box.top > (doc.defaultView.innerHeight || doc.documentElement.clientHeight)) { doScroll = false; } + if (doScroll != null && !phantom) { + var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;")); + cm.display.lineSpace.appendChild(scrollNode); + scrollNode.scrollIntoView(doScroll); + cm.display.lineSpace.removeChild(scrollNode); + } + } + + // Scroll a given position into view (immediately), verifying that + // it actually became visible (as line heights are accurately + // measured, the position of something may 'drift' during drawing). + function scrollPosIntoView(cm, pos, end, margin) { + if (margin == null) { margin = 0; } + var rect; + if (!cm.options.lineWrapping && pos == end) { + // Set pos and end to the cursor positions around the character pos sticks to + // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch + // If pos == Pos(_, 0, "before"), pos and end are unchanged + end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos; + pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos; + } + for (var limit = 0; limit < 5; limit++) { + var changed = false; + var coords = cursorCoords(cm, pos); + var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); + rect = {left: Math.min(coords.left, endCoords.left), + top: Math.min(coords.top, endCoords.top) - margin, + right: Math.max(coords.left, endCoords.left), + bottom: Math.max(coords.bottom, endCoords.bottom) + margin}; + var scrollPos = calculateScrollPos(cm, rect); + var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; + if (scrollPos.scrollTop != null) { + updateScrollTop(cm, scrollPos.scrollTop); + if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; } + } + if (scrollPos.scrollLeft != null) { + setScrollLeft(cm, scrollPos.scrollLeft); + if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; } + } + if (!changed) { break } + } + return rect + } + + // Scroll a given set of coordinates into view (immediately). + function scrollIntoView(cm, rect) { + var scrollPos = calculateScrollPos(cm, rect); + if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); } + if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); } + } + + // Calculate a new scroll position needed to scroll the given + // rectangle into view. Returns an object with scrollTop and + // scrollLeft properties. When these are undefined, the + // vertical/horizontal position does not need to be adjusted. + function calculateScrollPos(cm, rect) { + var display = cm.display, snapMargin = textHeight(cm.display); + if (rect.top < 0) { rect.top = 0; } + var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; + var screen = displayHeight(cm), result = {}; + if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; } + var docBottom = cm.doc.height + paddingVert(display); + var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin; + if (rect.top < screentop) { + result.scrollTop = atTop ? 0 : rect.top; + } else if (rect.bottom > screentop + screen) { + var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen); + if (newTop != screentop) { result.scrollTop = newTop; } + } + + var gutterSpace = cm.options.fixedGutter ? 0 : display.gutters.offsetWidth; + var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft - gutterSpace; + var screenw = displayWidth(cm) - display.gutters.offsetWidth; + var tooWide = rect.right - rect.left > screenw; + if (tooWide) { rect.right = rect.left + screenw; } + if (rect.left < 10) + { result.scrollLeft = 0; } + else if (rect.left < screenleft) + { result.scrollLeft = Math.max(0, rect.left + gutterSpace - (tooWide ? 0 : 10)); } + else if (rect.right > screenw + screenleft - 3) + { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; } + return result + } + + // Store a relative adjustment to the scroll position in the current + // operation (to be applied when the operation finishes). + function addToScrollTop(cm, top) { + if (top == null) { return } + resolveScrollToPos(cm); + cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; + } + + // Make sure that at the end of the operation the current cursor is + // shown. + function ensureCursorVisible(cm) { + resolveScrollToPos(cm); + var cur = cm.getCursor(); + cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin}; + } + + function scrollToCoords(cm, x, y) { + if (x != null || y != null) { resolveScrollToPos(cm); } + if (x != null) { cm.curOp.scrollLeft = x; } + if (y != null) { cm.curOp.scrollTop = y; } + } + + function scrollToRange(cm, range) { + resolveScrollToPos(cm); + cm.curOp.scrollToPos = range; + } + + // When an operation has its scrollToPos property set, and another + // scroll action is applied before the end of the operation, this + // 'simulates' scrolling that position into view in a cheap way, so + // that the effect of intermediate scroll commands is not ignored. + function resolveScrollToPos(cm) { + var range = cm.curOp.scrollToPos; + if (range) { + cm.curOp.scrollToPos = null; + var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); + scrollToCoordsRange(cm, from, to, range.margin); + } + } + + function scrollToCoordsRange(cm, from, to, margin) { + var sPos = calculateScrollPos(cm, { + left: Math.min(from.left, to.left), + top: Math.min(from.top, to.top) - margin, + right: Math.max(from.right, to.right), + bottom: Math.max(from.bottom, to.bottom) + margin + }); + scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop); + } + + // Sync the scrollable area and scrollbars, ensure the viewport + // covers the visible area. + function updateScrollTop(cm, val) { + if (Math.abs(cm.doc.scrollTop - val) < 2) { return } + if (!gecko) { updateDisplaySimple(cm, {top: val}); } + setScrollTop(cm, val, true); + if (gecko) { updateDisplaySimple(cm); } + startWorker(cm, 100); + } + + function setScrollTop(cm, val, forceScroll) { + val = Math.max(0, Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val)); + if (cm.display.scroller.scrollTop == val && !forceScroll) { return } + cm.doc.scrollTop = val; + cm.display.scrollbars.setScrollTop(val); + if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; } + } + + // Sync scroller and scrollbar, ensure the gutter elements are + // aligned. + function setScrollLeft(cm, val, isScroller, forceScroll) { + val = Math.max(0, Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth)); + if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return } + cm.doc.scrollLeft = val; + alignHorizontally(cm); + if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; } + cm.display.scrollbars.setScrollLeft(val); + } + + // SCROLLBARS + + // Prepare DOM reads needed to update the scrollbars. Done in one + // shot to minimize update/measure roundtrips. + function measureForScrollbars(cm) { + var d = cm.display, gutterW = d.gutters.offsetWidth; + var docH = Math.round(cm.doc.height + paddingVert(cm.display)); + return { + clientHeight: d.scroller.clientHeight, + viewHeight: d.wrapper.clientHeight, + scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, + viewWidth: d.wrapper.clientWidth, + barLeft: cm.options.fixedGutter ? gutterW : 0, + docHeight: docH, + scrollHeight: docH + scrollGap(cm) + d.barHeight, + nativeBarWidth: d.nativeBarWidth, + gutterWidth: gutterW + } + } + + var NativeScrollbars = function(place, scroll, cm) { + this.cm = cm; + var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); + var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); + vert.tabIndex = horiz.tabIndex = -1; + place(vert); place(horiz); + + on(vert, "scroll", function () { + if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); } + }); + on(horiz, "scroll", function () { + if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); } + }); + + this.checkedZeroWidth = false; + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; } + }; + + NativeScrollbars.prototype.update = function (measure) { + var needsH = measure.scrollWidth > measure.clientWidth + 1; + var needsV = measure.scrollHeight > measure.clientHeight + 1; + var sWidth = measure.nativeBarWidth; + + if (needsV) { + this.vert.style.display = "block"; + this.vert.style.bottom = needsH ? sWidth + "px" : "0"; + var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); + // A bug in IE8 can cause this value to be negative, so guard it. + this.vert.firstChild.style.height = + Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; + } else { + this.vert.scrollTop = 0; + this.vert.style.display = ""; + this.vert.firstChild.style.height = "0"; + } + + if (needsH) { + this.horiz.style.display = "block"; + this.horiz.style.right = needsV ? sWidth + "px" : "0"; + this.horiz.style.left = measure.barLeft + "px"; + var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); + this.horiz.firstChild.style.width = + Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; + } else { + this.horiz.style.display = ""; + this.horiz.firstChild.style.width = "0"; + } + + if (!this.checkedZeroWidth && measure.clientHeight > 0) { + if (sWidth == 0) { this.zeroWidthHack(); } + this.checkedZeroWidth = true; + } + + return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0} + }; + + NativeScrollbars.prototype.setScrollLeft = function (pos) { + if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; } + if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); } + }; + + NativeScrollbars.prototype.setScrollTop = function (pos) { + if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; } + if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); } + }; + + NativeScrollbars.prototype.zeroWidthHack = function () { + var w = mac && !mac_geMountainLion ? "12px" : "18px"; + this.horiz.style.height = this.vert.style.width = w; + this.horiz.style.visibility = this.vert.style.visibility = "hidden"; + this.disableHoriz = new Delayed; + this.disableVert = new Delayed; + }; + + NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) { + bar.style.visibility = ""; + function maybeDisable() { + // To find out whether the scrollbar is still visible, we + // check whether the element under the pixel in the bottom + // right corner of the scrollbar box is the scrollbar box + // itself (when the bar is still visible) or its filler child + // (when the bar is hidden). If it is still visible, we keep + // it enabled, if it's hidden, we disable pointer events. + var box = bar.getBoundingClientRect(); + var elt = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2) + : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1); + if (elt != bar) { bar.style.visibility = "hidden"; } + else { delay.set(1000, maybeDisable); } + } + delay.set(1000, maybeDisable); + }; + + NativeScrollbars.prototype.clear = function () { + var parent = this.horiz.parentNode; + parent.removeChild(this.horiz); + parent.removeChild(this.vert); + }; + + var NullScrollbars = function () {}; + + NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} }; + NullScrollbars.prototype.setScrollLeft = function () {}; + NullScrollbars.prototype.setScrollTop = function () {}; + NullScrollbars.prototype.clear = function () {}; + + function updateScrollbars(cm, measure) { + if (!measure) { measure = measureForScrollbars(cm); } + var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; + updateScrollbarsInner(cm, measure); + for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { + if (startWidth != cm.display.barWidth && cm.options.lineWrapping) + { updateHeightsInViewport(cm); } + updateScrollbarsInner(cm, measureForScrollbars(cm)); + startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; + } + } + + // Re-synchronize the fake scrollbars with the actual size of the + // content. + function updateScrollbarsInner(cm, measure) { + var d = cm.display; + var sizes = d.scrollbars.update(measure); + + d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; + d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; + d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent"; + + if (sizes.right && sizes.bottom) { + d.scrollbarFiller.style.display = "block"; + d.scrollbarFiller.style.height = sizes.bottom + "px"; + d.scrollbarFiller.style.width = sizes.right + "px"; + } else { d.scrollbarFiller.style.display = ""; } + if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { + d.gutterFiller.style.display = "block"; + d.gutterFiller.style.height = sizes.bottom + "px"; + d.gutterFiller.style.width = measure.gutterWidth + "px"; + } else { d.gutterFiller.style.display = ""; } + } + + var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; + + function initScrollbars(cm) { + if (cm.display.scrollbars) { + cm.display.scrollbars.clear(); + if (cm.display.scrollbars.addClass) + { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); } + } + + cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) { + cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); + // Prevent clicks in the scrollbars from killing focus + on(node, "mousedown", function () { + if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); } + }); + node.setAttribute("cm-not-content", "true"); + }, function (pos, axis) { + if (axis == "horizontal") { setScrollLeft(cm, pos); } + else { updateScrollTop(cm, pos); } + }, cm); + if (cm.display.scrollbars.addClass) + { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); } + } + + // Operations are used to wrap a series of changes to the editor + // state in such a way that each change won't have to update the + // cursor and display (which would be awkward, slow, and + // error-prone). Instead, display updates are batched and then all + // combined and executed at once. + + var nextOpId = 0; + // Start a new operation. + function startOperation(cm) { + cm.curOp = { + cm: cm, + viewChanged: false, // Flag that indicates that lines might need to be redrawn + startHeight: cm.doc.height, // Used to detect need to update scrollbar + forceUpdate: false, // Used to force a redraw + updateInput: 0, // Whether to reset the input textarea + typing: false, // Whether this reset should be careful to leave existing text (for compositing) + changeObjs: null, // Accumulated changes, for firing change events + cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on + cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already + selectionChanged: false, // Whether the selection needs to be redrawn + updateMaxLine: false, // Set when the widest line needs to be determined anew + scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet + scrollToPos: null, // Used to scroll to a specific position + focus: false, + id: ++nextOpId, // Unique ID + markArrays: null // Used by addMarkedSpan + }; + pushOperation(cm.curOp); + } + + // Finish an operation, updating the display and signalling delayed events + function endOperation(cm) { + var op = cm.curOp; + if (op) { finishOperation(op, function (group) { + for (var i = 0; i < group.ops.length; i++) + { group.ops[i].cm.curOp = null; } + endOperations(group); + }); } + } + + // The DOM updates done when an operation finishes are batched so + // that the minimum number of relayouts are required. + function endOperations(group) { + var ops = group.ops; + for (var i = 0; i < ops.length; i++) // Read DOM + { endOperation_R1(ops[i]); } + for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe) + { endOperation_W1(ops[i$1]); } + for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM + { endOperation_R2(ops[i$2]); } + for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe) + { endOperation_W2(ops[i$3]); } + for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM + { endOperation_finish(ops[i$4]); } + } + + function endOperation_R1(op) { + var cm = op.cm, display = cm.display; + maybeClipScrollbars(cm); + if (op.updateMaxLine) { findMaxLine(cm); } + + op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || + op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || + op.scrollToPos.to.line >= display.viewTo) || + display.maxLineChanged && cm.options.lineWrapping; + op.update = op.mustUpdate && + new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); + } + + function endOperation_W1(op) { + op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); + } + + function endOperation_R2(op) { + var cm = op.cm, display = cm.display; + if (op.updatedDisplay) { updateHeightsInViewport(cm); } + + op.barMeasure = measureForScrollbars(cm); + + // If the max line changed since it was last measured, measure it, + // and ensure the document's width matches it. + // updateDisplay_W2 will use these properties to do the actual resizing + if (display.maxLineChanged && !cm.options.lineWrapping) { + op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; + cm.display.sizerWidth = op.adjustWidthTo; + op.barMeasure.scrollWidth = + Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); + op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); + } + + if (op.updatedDisplay || op.selectionChanged) + { op.preparedSelection = display.input.prepareSelection(); } + } + + function endOperation_W2(op) { + var cm = op.cm; + + if (op.adjustWidthTo != null) { + cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; + if (op.maxScrollLeft < cm.doc.scrollLeft) + { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); } + cm.display.maxLineChanged = false; + } + + var takeFocus = op.focus && op.focus == activeElt(doc(cm)); + if (op.preparedSelection) + { cm.display.input.showSelection(op.preparedSelection, takeFocus); } + if (op.updatedDisplay || op.startHeight != cm.doc.height) + { updateScrollbars(cm, op.barMeasure); } + if (op.updatedDisplay) + { setDocumentHeight(cm, op.barMeasure); } + + if (op.selectionChanged) { restartBlink(cm); } + + if (cm.state.focused && op.updateInput) + { cm.display.input.reset(op.typing); } + if (takeFocus) { ensureFocus(op.cm); } + } + + function endOperation_finish(op) { + var cm = op.cm, display = cm.display, doc = cm.doc; + + if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); } + + // Abort mouse wheel delta measurement, when scrolling explicitly + if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) + { display.wheelStartX = display.wheelStartY = null; } + + // Propagate the scroll position to the actual DOM scroller + if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); } + + if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); } + // If we need to scroll a specific position into view, do so. + if (op.scrollToPos) { + var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), + clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); + maybeScrollWindow(cm, rect); + } + + // Fire events for markers that are hidden/unidden by editing or + // undoing + var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; + if (hidden) { for (var i = 0; i < hidden.length; ++i) + { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } } + if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1) + { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } } + + if (display.wrapper.offsetHeight) + { doc.scrollTop = cm.display.scroller.scrollTop; } + + // Fire change events, and delayed event handlers + if (op.changeObjs) + { signal(cm, "changes", cm, op.changeObjs); } + if (op.update) + { op.update.finish(); } + } + + // Run the given function in an operation + function runInOp(cm, f) { + if (cm.curOp) { return f() } + startOperation(cm); + try { return f() } + finally { endOperation(cm); } + } + // Wraps a function in an operation. Returns the wrapped function. + function operation(cm, f) { + return function() { + if (cm.curOp) { return f.apply(cm, arguments) } + startOperation(cm); + try { return f.apply(cm, arguments) } + finally { endOperation(cm); } + } + } + // Used to add methods to editor and doc instances, wrapping them in + // operations. + function methodOp(f) { + return function() { + if (this.curOp) { return f.apply(this, arguments) } + startOperation(this); + try { return f.apply(this, arguments) } + finally { endOperation(this); } + } + } + function docMethodOp(f) { + return function() { + var cm = this.cm; + if (!cm || cm.curOp) { return f.apply(this, arguments) } + startOperation(cm); + try { return f.apply(this, arguments) } + finally { endOperation(cm); } + } + } + + // HIGHLIGHT WORKER + + function startWorker(cm, time) { + if (cm.doc.highlightFrontier < cm.display.viewTo) + { cm.state.highlight.set(time, bind(highlightWorker, cm)); } + } + + function highlightWorker(cm) { + var doc = cm.doc; + if (doc.highlightFrontier >= cm.display.viewTo) { return } + var end = +new Date + cm.options.workTime; + var context = getContextBefore(cm, doc.highlightFrontier); + var changedLines = []; + + doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) { + if (context.line >= cm.display.viewFrom) { // Visible + var oldStyles = line.styles; + var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null; + var highlighted = highlightLine(cm, line, context, true); + if (resetState) { context.state = resetState; } + line.styles = highlighted.styles; + var oldCls = line.styleClasses, newCls = highlighted.classes; + if (newCls) { line.styleClasses = newCls; } + else if (oldCls) { line.styleClasses = null; } + var ischange = !oldStyles || oldStyles.length != line.styles.length || + oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); + for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; } + if (ischange) { changedLines.push(context.line); } + line.stateAfter = context.save(); + context.nextLine(); + } else { + if (line.text.length <= cm.options.maxHighlightLength) + { processLine(cm, line.text, context); } + line.stateAfter = context.line % 5 == 0 ? context.save() : null; + context.nextLine(); + } + if (+new Date > end) { + startWorker(cm, cm.options.workDelay); + return true + } + }); + doc.highlightFrontier = context.line; + doc.modeFrontier = Math.max(doc.modeFrontier, context.line); + if (changedLines.length) { runInOp(cm, function () { + for (var i = 0; i < changedLines.length; i++) + { regLineChange(cm, changedLines[i], "text"); } + }); } + } + + // DISPLAY DRAWING + + var DisplayUpdate = function(cm, viewport, force) { + var display = cm.display; + + this.viewport = viewport; + // Store some values that we'll need later (but don't want to force a relayout for) + this.visible = visibleLines(display, cm.doc, viewport); + this.editorIsHidden = !display.wrapper.offsetWidth; + this.wrapperHeight = display.wrapper.clientHeight; + this.wrapperWidth = display.wrapper.clientWidth; + this.oldDisplayWidth = displayWidth(cm); + this.force = force; + this.dims = getDimensions(cm); + this.events = []; + }; + + DisplayUpdate.prototype.signal = function (emitter, type) { + if (hasHandler(emitter, type)) + { this.events.push(arguments); } + }; + DisplayUpdate.prototype.finish = function () { + for (var i = 0; i < this.events.length; i++) + { signal.apply(null, this.events[i]); } + }; + + function maybeClipScrollbars(cm) { + var display = cm.display; + if (!display.scrollbarsClipped && display.scroller.offsetWidth) { + display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; + display.heightForcer.style.height = scrollGap(cm) + "px"; + display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; + display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; + display.scrollbarsClipped = true; + } + } + + function selectionSnapshot(cm) { + if (cm.hasFocus()) { return null } + var active = activeElt(doc(cm)); + if (!active || !contains(cm.display.lineDiv, active)) { return null } + var result = {activeElt: active}; + if (window.getSelection) { + var sel = win(cm).getSelection(); + if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) { + result.anchorNode = sel.anchorNode; + result.anchorOffset = sel.anchorOffset; + result.focusNode = sel.focusNode; + result.focusOffset = sel.focusOffset; + } + } + return result + } + + function restoreSelection(snapshot) { + if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt(snapshot.activeElt.ownerDocument)) { return } + snapshot.activeElt.focus(); + if (!/^(INPUT|TEXTAREA)$/.test(snapshot.activeElt.nodeName) && + snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) { + var doc = snapshot.activeElt.ownerDocument; + var sel = doc.defaultView.getSelection(), range = doc.createRange(); + range.setEnd(snapshot.anchorNode, snapshot.anchorOffset); + range.collapse(false); + sel.removeAllRanges(); + sel.addRange(range); + sel.extend(snapshot.focusNode, snapshot.focusOffset); + } + } + + // Does the actual updating of the line display. Bails out + // (returning false) when there is nothing to be done and forced is + // false. + function updateDisplayIfNeeded(cm, update) { + var display = cm.display, doc = cm.doc; + + if (update.editorIsHidden) { + resetView(cm); + return false + } + + // Bail out if the visible area is already rendered and nothing changed. + if (!update.force && + update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && + display.renderedView == display.view && countDirtyView(cm) == 0) + { return false } + + if (maybeUpdateLineNumberWidth(cm)) { + resetView(cm); + update.dims = getDimensions(cm); + } + + // Compute a suitable new viewport (from & to) + var end = doc.first + doc.size; + var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); + var to = Math.min(end, update.visible.to + cm.options.viewportMargin); + if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); } + if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); } + if (sawCollapsedSpans) { + from = visualLineNo(cm.doc, from); + to = visualLineEndNo(cm.doc, to); + } + + var different = from != display.viewFrom || to != display.viewTo || + display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; + adjustView(cm, from, to); + + display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); + // Position the mover div to align with the current scroll position + cm.display.mover.style.top = display.viewOffset + "px"; + + var toUpdate = countDirtyView(cm); + if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) + { return false } + + // For big changes, we hide the enclosing element during the + // update, since that speeds up the operations on most browsers. + var selSnapshot = selectionSnapshot(cm); + if (toUpdate > 4) { display.lineDiv.style.display = "none"; } + patchDisplay(cm, display.updateLineNumbers, update.dims); + if (toUpdate > 4) { display.lineDiv.style.display = ""; } + display.renderedView = display.view; + // There might have been a widget with a focused element that got + // hidden or updated, if so re-focus it. + restoreSelection(selSnapshot); + + // Prevent selection and cursors from interfering with the scroll + // width and height. + removeChildren(display.cursorDiv); + removeChildren(display.selectionDiv); + display.gutters.style.height = display.sizer.style.minHeight = 0; + + if (different) { + display.lastWrapHeight = update.wrapperHeight; + display.lastWrapWidth = update.wrapperWidth; + startWorker(cm, 400); + } + + display.updateLineNumbers = null; + + return true + } + + function postUpdateDisplay(cm, update) { + var viewport = update.viewport; + + for (var first = true;; first = false) { + if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { + // Clip forced viewport to actual scrollable area. + if (viewport && viewport.top != null) + { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; } + // Updated line heights might result in the drawn area not + // actually covering the viewport. Keep looping until it does. + update.visible = visibleLines(cm.display, cm.doc, viewport); + if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) + { break } + } else if (first) { + update.visible = visibleLines(cm.display, cm.doc, viewport); + } + if (!updateDisplayIfNeeded(cm, update)) { break } + updateHeightsInViewport(cm); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + update.force = false; + } + + update.signal(cm, "update", cm); + if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { + update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); + cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; + } + } + + function updateDisplaySimple(cm, viewport) { + var update = new DisplayUpdate(cm, viewport); + if (updateDisplayIfNeeded(cm, update)) { + updateHeightsInViewport(cm); + postUpdateDisplay(cm, update); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + update.finish(); + } + } + + // Sync the actual display DOM structure with display.view, removing + // nodes for lines that are no longer in view, and creating the ones + // that are not there yet, and updating the ones that are out of + // date. + function patchDisplay(cm, updateNumbersFrom, dims) { + var display = cm.display, lineNumbers = cm.options.lineNumbers; + var container = display.lineDiv, cur = container.firstChild; + + function rm(node) { + var next = node.nextSibling; + // Works around a throw-scroll bug in OS X Webkit + if (webkit && mac && cm.display.currentWheelTarget == node) + { node.style.display = "none"; } + else + { node.parentNode.removeChild(node); } + return next + } + + var view = display.view, lineN = display.viewFrom; + // Loop over the elements in the view, syncing cur (the DOM nodes + // in display.lineDiv) with the view as we go. + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet + var node = buildLineElement(cm, lineView, lineN, dims); + container.insertBefore(node, cur); + } else { // Already drawn + while (cur != lineView.node) { cur = rm(cur); } + var updateNumber = lineNumbers && updateNumbersFrom != null && + updateNumbersFrom <= lineN && lineView.lineNumber; + if (lineView.changes) { + if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; } + updateLineForChanges(cm, lineView, lineN, dims); + } + if (updateNumber) { + removeChildren(lineView.lineNumber); + lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); + } + cur = lineView.node.nextSibling; + } + lineN += lineView.size; + } + while (cur) { cur = rm(cur); } + } + + function updateGutterSpace(display) { + var width = display.gutters.offsetWidth; + display.sizer.style.marginLeft = width + "px"; + // Send an event to consumers responding to changes in gutter width. + signalLater(display, "gutterChanged", display); + } + + function setDocumentHeight(cm, measure) { + cm.display.sizer.style.minHeight = measure.docHeight + "px"; + cm.display.heightForcer.style.top = measure.docHeight + "px"; + cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; + } + + // Re-align line numbers and gutter marks to compensate for + // horizontal scrolling. + function alignHorizontally(cm) { + var display = cm.display, view = display.view; + if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return } + var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; + var gutterW = display.gutters.offsetWidth, left = comp + "px"; + for (var i = 0; i < view.length; i++) { if (!view[i].hidden) { + if (cm.options.fixedGutter) { + if (view[i].gutter) + { view[i].gutter.style.left = left; } + if (view[i].gutterBackground) + { view[i].gutterBackground.style.left = left; } + } + var align = view[i].alignable; + if (align) { for (var j = 0; j < align.length; j++) + { align[j].style.left = left; } } + } } + if (cm.options.fixedGutter) + { display.gutters.style.left = (comp + gutterW) + "px"; } + } + + // Used to ensure that the line number gutter is still the right + // size for the current document size. Returns true when an update + // is needed. + function maybeUpdateLineNumberWidth(cm) { + if (!cm.options.lineNumbers) { return false } + var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; + if (last.length != display.lineNumChars) { + var test = display.measure.appendChild(elt("div", [elt("div", last)], + "CodeMirror-linenumber CodeMirror-gutter-elt")); + var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; + display.lineGutter.style.width = ""; + display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; + display.lineNumWidth = display.lineNumInnerWidth + padding; + display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; + display.lineGutter.style.width = display.lineNumWidth + "px"; + updateGutterSpace(cm.display); + return true + } + return false + } + + function getGutters(gutters, lineNumbers) { + var result = [], sawLineNumbers = false; + for (var i = 0; i < gutters.length; i++) { + var name = gutters[i], style = null; + if (typeof name != "string") { style = name.style; name = name.className; } + if (name == "CodeMirror-linenumbers") { + if (!lineNumbers) { continue } + else { sawLineNumbers = true; } + } + result.push({className: name, style: style}); + } + if (lineNumbers && !sawLineNumbers) { result.push({className: "CodeMirror-linenumbers", style: null}); } + return result + } + + // Rebuild the gutter elements, ensure the margin to the left of the + // code matches their width. + function renderGutters(display) { + var gutters = display.gutters, specs = display.gutterSpecs; + removeChildren(gutters); + display.lineGutter = null; + for (var i = 0; i < specs.length; ++i) { + var ref = specs[i]; + var className = ref.className; + var style = ref.style; + var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + className)); + if (style) { gElt.style.cssText = style; } + if (className == "CodeMirror-linenumbers") { + display.lineGutter = gElt; + gElt.style.width = (display.lineNumWidth || 1) + "px"; + } + } + gutters.style.display = specs.length ? "" : "none"; + updateGutterSpace(display); + } + + function updateGutters(cm) { + renderGutters(cm.display); + regChange(cm); + alignHorizontally(cm); + } + + // The display handles the DOM integration, both for input reading + // and content drawing. It holds references to DOM nodes and + // display-related state. + + function Display(place, doc, input, options) { + var d = this; + this.input = input; + + // Covers bottom-right square when both scrollbars are present. + d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); + d.scrollbarFiller.setAttribute("cm-not-content", "true"); + // Covers bottom of gutter when coverGutterNextToScrollbar is on + // and h scrollbar is present. + d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); + d.gutterFiller.setAttribute("cm-not-content", "true"); + // Will contain the actual code, positioned to cover the viewport. + d.lineDiv = eltP("div", null, "CodeMirror-code"); + // Elements are added to these to represent selection and cursors. + d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); + d.cursorDiv = elt("div", null, "CodeMirror-cursors"); + // A visibility: hidden element used to find the size of things. + d.measure = elt("div", null, "CodeMirror-measure"); + // When lines outside of the viewport are measured, they are drawn in this. + d.lineMeasure = elt("div", null, "CodeMirror-measure"); + // Wraps everything that needs to exist inside the vertically-padded coordinate system + d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], + null, "position: relative; outline: none"); + var lines = eltP("div", [d.lineSpace], "CodeMirror-lines"); + // Moved around its parent to cover visible view. + d.mover = elt("div", [lines], null, "position: relative"); + // Set to the height of the document, allowing scrolling. + d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); + d.sizerWidth = null; + // Behavior of elts with overflow: auto and padding is + // inconsistent across browsers. This is used to ensure the + // scrollable area is big enough. + d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); + // Will contain the gutters, if any. + d.gutters = elt("div", null, "CodeMirror-gutters"); + d.lineGutter = null; + // Actual scrollable element. + d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); + d.scroller.setAttribute("tabIndex", "-1"); + // The element in which the editor lives. + d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); + // See #6982. FIXME remove when this has been fixed for a while in Chrome + if (chrome && chrome_version >= 105) { d.wrapper.style.clipPath = "inset(0px)"; } + + // This attribute is respected by automatic translation systems such as Google Translate, + // and may also be respected by tools used by human translators. + d.wrapper.setAttribute('translate', 'no'); + + // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) + if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } + if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; } + + if (place) { + if (place.appendChild) { place.appendChild(d.wrapper); } + else { place(d.wrapper); } + } + + // Current rendered range (may be bigger than the view window). + d.viewFrom = d.viewTo = doc.first; + d.reportedViewFrom = d.reportedViewTo = doc.first; + // Information about the rendered lines. + d.view = []; + d.renderedView = null; + // Holds info about a single rendered line when it was rendered + // for measurement, while not in view. + d.externalMeasured = null; + // Empty space (in pixels) above the view + d.viewOffset = 0; + d.lastWrapHeight = d.lastWrapWidth = 0; + d.updateLineNumbers = null; + + d.nativeBarWidth = d.barHeight = d.barWidth = 0; + d.scrollbarsClipped = false; + + // Used to only resize the line number gutter when necessary (when + // the amount of lines crosses a boundary that makes its width change) + d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; + // Set to true when a non-horizontal-scrolling line widget is + // added. As an optimization, line widget aligning is skipped when + // this is false. + d.alignWidgets = false; + + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + + // Tracks the maximum line length so that the horizontal scrollbar + // can be kept static when scrolling. + d.maxLine = null; + d.maxLineLength = 0; + d.maxLineChanged = false; + + // Used for measuring wheel scrolling granularity + d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; + + // True when shift is held down. + d.shift = false; + + // Used to track whether anything happened since the context menu + // was opened. + d.selForContextMenu = null; + + d.activeTouch = null; + + d.gutterSpecs = getGutters(options.gutters, options.lineNumbers); + renderGutters(d); + + input.init(d); + } + + // Since the delta values reported on mouse wheel events are + // unstandardized between browsers and even browser versions, and + // generally horribly unpredictable, this code starts by measuring + // the scroll effect that the first few mouse wheel events have, + // and, from that, detects the way it can convert deltas to pixel + // offsets afterwards. + // + // The reason we want to know the amount a wheel event will scroll + // is that it gives us a chance to update the display before the + // actual scrolling happens, reducing flickering. + + var wheelSamples = 0, wheelPixelsPerUnit = null; + // Fill in a browser-detected starting value on browsers where we + // know one. These don't have to be accurate -- the result of them + // being wrong would just be a slight flicker on the first wheel + // scroll (if it is large enough). + if (ie) { wheelPixelsPerUnit = -.53; } + else if (gecko) { wheelPixelsPerUnit = 15; } + else if (chrome) { wheelPixelsPerUnit = -.7; } + else if (safari) { wheelPixelsPerUnit = -1/3; } + + function wheelEventDelta(e) { + var dx = e.wheelDeltaX, dy = e.wheelDeltaY; + if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; } + if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; } + else if (dy == null) { dy = e.wheelDelta; } + return {x: dx, y: dy} + } + function wheelEventPixels(e) { + var delta = wheelEventDelta(e); + delta.x *= wheelPixelsPerUnit; + delta.y *= wheelPixelsPerUnit; + return delta + } + + function onScrollWheel(cm, e) { + // On Chrome 102, viewport updates somehow stop wheel-based + // scrolling. Turning off pointer events during the scroll seems + // to avoid the issue. + if (chrome && chrome_version == 102) { + if (cm.display.chromeScrollHack == null) { cm.display.sizer.style.pointerEvents = "none"; } + else { clearTimeout(cm.display.chromeScrollHack); } + cm.display.chromeScrollHack = setTimeout(function () { + cm.display.chromeScrollHack = null; + cm.display.sizer.style.pointerEvents = ""; + }, 100); + } + var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; + var pixelsPerUnit = wheelPixelsPerUnit; + if (e.deltaMode === 0) { + dx = e.deltaX; + dy = e.deltaY; + pixelsPerUnit = 1; + } + + var display = cm.display, scroll = display.scroller; + // Quit if there's nothing to scroll here + var canScrollX = scroll.scrollWidth > scroll.clientWidth; + var canScrollY = scroll.scrollHeight > scroll.clientHeight; + if (!(dx && canScrollX || dy && canScrollY)) { return } + + // Webkit browsers on OS X abort momentum scrolls when the target + // of the scroll event is removed from the scrollable element. + // This hack (see related code in patchDisplay) makes sure the + // element is kept around. + if (dy && mac && webkit) { + outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { + for (var i = 0; i < view.length; i++) { + if (view[i].node == cur) { + cm.display.currentWheelTarget = cur; + break outer + } + } + } + } + + // On some browsers, horizontal scrolling will cause redraws to + // happen before the gutter has been realigned, causing it to + // wriggle around in a most unseemly way. When we have an + // estimated pixels/delta value, we just handle horizontal + // scrolling entirely here. It'll be slightly off from native, but + // better than glitching out. + if (dx && !gecko && !presto && pixelsPerUnit != null) { + if (dy && canScrollY) + { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * pixelsPerUnit)); } + setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * pixelsPerUnit)); + // Only prevent default scrolling if vertical scrolling is + // actually possible. Otherwise, it causes vertical scroll + // jitter on OSX trackpads when deltaX is small and deltaY + // is large (issue #3579) + if (!dy || (dy && canScrollY)) + { e_preventDefault(e); } + display.wheelStartX = null; // Abort measurement, if in progress + return + } + + // 'Project' the visible viewport to cover the area that is being + // scrolled into view (if we know enough to estimate it). + if (dy && pixelsPerUnit != null) { + var pixels = dy * pixelsPerUnit; + var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; + if (pixels < 0) { top = Math.max(0, top + pixels - 50); } + else { bot = Math.min(cm.doc.height, bot + pixels + 50); } + updateDisplaySimple(cm, {top: top, bottom: bot}); + } + + if (wheelSamples < 20 && e.deltaMode !== 0) { + if (display.wheelStartX == null) { + display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; + display.wheelDX = dx; display.wheelDY = dy; + setTimeout(function () { + if (display.wheelStartX == null) { return } + var movedX = scroll.scrollLeft - display.wheelStartX; + var movedY = scroll.scrollTop - display.wheelStartY; + var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || + (movedX && display.wheelDX && movedX / display.wheelDX); + display.wheelStartX = display.wheelStartY = null; + if (!sample) { return } + wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); + ++wheelSamples; + }, 200); + } else { + display.wheelDX += dx; display.wheelDY += dy; + } + } + } + + // Selection objects are immutable. A new one is created every time + // the selection changes. A selection is one or more non-overlapping + // (and non-touching) ranges, sorted, and an integer that indicates + // which one is the primary selection (the one that's scrolled into + // view, that getCursor returns, etc). + var Selection = function(ranges, primIndex) { + this.ranges = ranges; + this.primIndex = primIndex; + }; + + Selection.prototype.primary = function () { return this.ranges[this.primIndex] }; + + Selection.prototype.equals = function (other) { + if (other == this) { return true } + if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false } + for (var i = 0; i < this.ranges.length; i++) { + var here = this.ranges[i], there = other.ranges[i]; + if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false } + } + return true + }; + + Selection.prototype.deepCopy = function () { + var out = []; + for (var i = 0; i < this.ranges.length; i++) + { out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); } + return new Selection(out, this.primIndex) + }; + + Selection.prototype.somethingSelected = function () { + for (var i = 0; i < this.ranges.length; i++) + { if (!this.ranges[i].empty()) { return true } } + return false + }; + + Selection.prototype.contains = function (pos, end) { + if (!end) { end = pos; } + for (var i = 0; i < this.ranges.length; i++) { + var range = this.ranges[i]; + if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) + { return i } + } + return -1 + }; + + var Range = function(anchor, head) { + this.anchor = anchor; this.head = head; + }; + + Range.prototype.from = function () { return minPos(this.anchor, this.head) }; + Range.prototype.to = function () { return maxPos(this.anchor, this.head) }; + Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch }; + + // Take an unsorted, potentially overlapping set of ranges, and + // build a selection out of it. 'Consumes' ranges array (modifying + // it). + function normalizeSelection(cm, ranges, primIndex) { + var mayTouch = cm && cm.options.selectionsMayTouch; + var prim = ranges[primIndex]; + ranges.sort(function (a, b) { return cmp(a.from(), b.from()); }); + primIndex = indexOf(ranges, prim); + for (var i = 1; i < ranges.length; i++) { + var cur = ranges[i], prev = ranges[i - 1]; + var diff = cmp(prev.to(), cur.from()); + if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) { + var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); + var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; + if (i <= primIndex) { --primIndex; } + ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); + } + } + return new Selection(ranges, primIndex) + } + + function simpleSelection(anchor, head) { + return new Selection([new Range(anchor, head || anchor)], 0) + } + + // Compute the position of the end of a change (its 'to' property + // refers to the pre-change end). + function changeEnd(change) { + if (!change.text) { return change.to } + return Pos(change.from.line + change.text.length - 1, + lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)) + } + + // Adjust a position to refer to the post-change position of the + // same text, or the end of the change if the change covers it. + function adjustForChange(pos, change) { + if (cmp(pos, change.from) < 0) { return pos } + if (cmp(pos, change.to) <= 0) { return changeEnd(change) } + + var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; + if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; } + return Pos(line, ch) + } + + function computeSelAfterChange(doc, change) { + var out = []; + for (var i = 0; i < doc.sel.ranges.length; i++) { + var range = doc.sel.ranges[i]; + out.push(new Range(adjustForChange(range.anchor, change), + adjustForChange(range.head, change))); + } + return normalizeSelection(doc.cm, out, doc.sel.primIndex) + } + + function offsetPos(pos, old, nw) { + if (pos.line == old.line) + { return Pos(nw.line, pos.ch - old.ch + nw.ch) } + else + { return Pos(nw.line + (pos.line - old.line), pos.ch) } + } + + // Used by replaceSelections to allow moving the selection to the + // start or around the replaced test. Hint may be "start" or "around". + function computeReplacedSel(doc, changes, hint) { + var out = []; + var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; + for (var i = 0; i < changes.length; i++) { + var change = changes[i]; + var from = offsetPos(change.from, oldPrev, newPrev); + var to = offsetPos(changeEnd(change), oldPrev, newPrev); + oldPrev = change.to; + newPrev = to; + if (hint == "around") { + var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; + out[i] = new Range(inv ? to : from, inv ? from : to); + } else { + out[i] = new Range(from, from); + } + } + return new Selection(out, doc.sel.primIndex) + } + + // Used to get the editor into a consistent state again when options change. + + function loadMode(cm) { + cm.doc.mode = getMode(cm.options, cm.doc.modeOption); + resetModeState(cm); + } + + function resetModeState(cm) { + cm.doc.iter(function (line) { + if (line.stateAfter) { line.stateAfter = null; } + if (line.styles) { line.styles = null; } + }); + cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first; + startWorker(cm, 100); + cm.state.modeGen++; + if (cm.curOp) { regChange(cm); } + } + + // DOCUMENT DATA STRUCTURE + + // By default, updates that start and end at the beginning of a line + // are treated specially, in order to make the association of line + // widgets and marker elements with the text behave more intuitive. + function isWholeLineUpdate(doc, change) { + return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && + (!doc.cm || doc.cm.options.wholeLineUpdateBefore) + } + + // Perform a change on the document data structure. + function updateDoc(doc, change, markedSpans, estimateHeight) { + function spansFor(n) {return markedSpans ? markedSpans[n] : null} + function update(line, text, spans) { + updateLine(line, text, spans, estimateHeight); + signalLater(line, "change", line, change); + } + function linesFor(start, end) { + var result = []; + for (var i = start; i < end; ++i) + { result.push(new Line(text[i], spansFor(i), estimateHeight)); } + return result + } + + var from = change.from, to = change.to, text = change.text; + var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); + var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; + + // Adjust the line structure + if (change.full) { + doc.insert(0, linesFor(0, text.length)); + doc.remove(text.length, doc.size - text.length); + } else if (isWholeLineUpdate(doc, change)) { + // This is a whole-line replace. Treated specially to make + // sure line objects move the way they are supposed to. + var added = linesFor(0, text.length - 1); + update(lastLine, lastLine.text, lastSpans); + if (nlines) { doc.remove(from.line, nlines); } + if (added.length) { doc.insert(from.line, added); } + } else if (firstLine == lastLine) { + if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); + } else { + var added$1 = linesFor(1, text.length - 1); + added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + doc.insert(from.line + 1, added$1); + } + } else if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); + doc.remove(from.line + 1, nlines); + } else { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); + var added$2 = linesFor(1, text.length - 1); + if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); } + doc.insert(from.line + 1, added$2); + } + + signalLater(doc, "change", doc, change); + } + + // Call f for all linked documents. + function linkedDocs(doc, f, sharedHistOnly) { + function propagate(doc, skip, sharedHist) { + if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) { + var rel = doc.linked[i]; + if (rel.doc == skip) { continue } + var shared = sharedHist && rel.sharedHist; + if (sharedHistOnly && !shared) { continue } + f(rel.doc, shared); + propagate(rel.doc, doc, shared); + } } + } + propagate(doc, null, true); + } + + // Attach a document to an editor. + function attachDoc(cm, doc) { + if (doc.cm) { throw new Error("This document is already in use.") } + cm.doc = doc; + doc.cm = cm; + estimateLineHeights(cm); + loadMode(cm); + setDirectionClass(cm); + cm.options.direction = doc.direction; + if (!cm.options.lineWrapping) { findMaxLine(cm); } + cm.options.mode = doc.modeOption; + regChange(cm); + } + + function setDirectionClass(cm) { + (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl"); + } + + function directionChanged(cm) { + runInOp(cm, function () { + setDirectionClass(cm); + regChange(cm); + }); + } + + function History(prev) { + // Arrays of change events and selections. Doing something adds an + // event to done and clears undo. Undoing moves events from done + // to undone, redoing moves them in the other direction. + this.done = []; this.undone = []; + this.undoDepth = prev ? prev.undoDepth : Infinity; + // Used to track when changes can be merged into a single undo + // event + this.lastModTime = this.lastSelTime = 0; + this.lastOp = this.lastSelOp = null; + this.lastOrigin = this.lastSelOrigin = null; + // Used by the isClean() method + this.generation = this.maxGeneration = prev ? prev.maxGeneration : 1; + } + + // Create a history change event from an updateDoc-style change + // object. + function historyChangeFromChange(doc, change) { + var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; + attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); + linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true); + return histChange + } + + // Pop all selection events off the end of a history array. Stop at + // a change event. + function clearSelectionEvents(array) { + while (array.length) { + var last = lst(array); + if (last.ranges) { array.pop(); } + else { break } + } + } + + // Find the top change event in the history. Pop off selection + // events that are in the way. + function lastChangeEvent(hist, force) { + if (force) { + clearSelectionEvents(hist.done); + return lst(hist.done) + } else if (hist.done.length && !lst(hist.done).ranges) { + return lst(hist.done) + } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { + hist.done.pop(); + return lst(hist.done) + } + } + + // Register a change in the history. Merges changes that are within + // a single operation, or are close together with an origin that + // allows merging (starting with "+") into a single event. + function addChangeToHistory(doc, change, selAfter, opId) { + var hist = doc.history; + hist.undone.length = 0; + var time = +new Date, cur; + var last; + + if ((hist.lastOp == opId || + hist.lastOrigin == change.origin && change.origin && + ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) || + change.origin.charAt(0) == "*")) && + (cur = lastChangeEvent(hist, hist.lastOp == opId))) { + // Merge this change into the last event + last = lst(cur.changes); + if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { + // Optimized case for simple insertion -- don't want to add + // new changesets for every character typed + last.to = changeEnd(change); + } else { + // Add new sub-event + cur.changes.push(historyChangeFromChange(doc, change)); + } + } else { + // Can not be merged, start a new event. + var before = lst(hist.done); + if (!before || !before.ranges) + { pushSelectionToHistory(doc.sel, hist.done); } + cur = {changes: [historyChangeFromChange(doc, change)], + generation: hist.generation}; + hist.done.push(cur); + while (hist.done.length > hist.undoDepth) { + hist.done.shift(); + if (!hist.done[0].ranges) { hist.done.shift(); } + } + } + hist.done.push(selAfter); + hist.generation = ++hist.maxGeneration; + hist.lastModTime = hist.lastSelTime = time; + hist.lastOp = hist.lastSelOp = opId; + hist.lastOrigin = hist.lastSelOrigin = change.origin; + + if (!last) { signal(doc, "historyAdded"); } + } + + function selectionEventCanBeMerged(doc, origin, prev, sel) { + var ch = origin.charAt(0); + return ch == "*" || + ch == "+" && + prev.ranges.length == sel.ranges.length && + prev.somethingSelected() == sel.somethingSelected() && + new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500) + } + + // Called whenever the selection changes, sets the new selection as + // the pending selection in the history, and pushes the old pending + // selection into the 'done' array when it was significantly + // different (in number of selected ranges, emptiness, or time). + function addSelectionToHistory(doc, sel, opId, options) { + var hist = doc.history, origin = options && options.origin; + + // A new event is started when the previous origin does not match + // the current, or the origins don't allow matching. Origins + // starting with * are always merged, those starting with + are + // merged when similar and close together in time. + if (opId == hist.lastSelOp || + (origin && hist.lastSelOrigin == origin && + (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || + selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) + { hist.done[hist.done.length - 1] = sel; } + else + { pushSelectionToHistory(sel, hist.done); } + + hist.lastSelTime = +new Date; + hist.lastSelOrigin = origin; + hist.lastSelOp = opId; + if (options && options.clearRedo !== false) + { clearSelectionEvents(hist.undone); } + } + + function pushSelectionToHistory(sel, dest) { + var top = lst(dest); + if (!(top && top.ranges && top.equals(sel))) + { dest.push(sel); } + } + + // Used to store marked span information in the history. + function attachLocalSpans(doc, change, from, to) { + var existing = change["spans_" + doc.id], n = 0; + doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) { + if (line.markedSpans) + { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; } + ++n; + }); + } + + // When un/re-doing restores text containing marked spans, those + // that have been explicitly cleared should not be restored. + function removeClearedSpans(spans) { + if (!spans) { return null } + var out; + for (var i = 0; i < spans.length; ++i) { + if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } } + else if (out) { out.push(spans[i]); } + } + return !out ? spans : out.length ? out : null + } + + // Retrieve and filter the old marked spans stored in a change event. + function getOldSpans(doc, change) { + var found = change["spans_" + doc.id]; + if (!found) { return null } + var nw = []; + for (var i = 0; i < change.text.length; ++i) + { nw.push(removeClearedSpans(found[i])); } + return nw + } + + // Used for un/re-doing changes from the history. Combines the + // result of computing the existing spans with the set of spans that + // existed in the history (so that deleting around a span and then + // undoing brings back the span). + function mergeOldSpans(doc, change) { + var old = getOldSpans(doc, change); + var stretched = stretchSpansOverChange(doc, change); + if (!old) { return stretched } + if (!stretched) { return old } + + for (var i = 0; i < old.length; ++i) { + var oldCur = old[i], stretchCur = stretched[i]; + if (oldCur && stretchCur) { + spans: for (var j = 0; j < stretchCur.length; ++j) { + var span = stretchCur[j]; + for (var k = 0; k < oldCur.length; ++k) + { if (oldCur[k].marker == span.marker) { continue spans } } + oldCur.push(span); + } + } else if (stretchCur) { + old[i] = stretchCur; + } + } + return old + } + + // Used both to provide a JSON-safe object in .getHistory, and, when + // detaching a document, to split the history in two + function copyHistoryArray(events, newGroup, instantiateSel) { + var copy = []; + for (var i = 0; i < events.length; ++i) { + var event = events[i]; + if (event.ranges) { + copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); + continue + } + var changes = event.changes, newChanges = []; + copy.push({changes: newChanges}); + for (var j = 0; j < changes.length; ++j) { + var change = changes[j], m = (void 0); + newChanges.push({from: change.from, to: change.to, text: change.text}); + if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) { + if (indexOf(newGroup, Number(m[1])) > -1) { + lst(newChanges)[prop] = change[prop]; + delete change[prop]; + } + } } } + } + } + return copy + } + + // The 'scroll' parameter given to many of these indicated whether + // the new cursor position should be scrolled into view after + // modifying the selection. + + // If shift is held or the extend flag is set, extends a range to + // include a given position (and optionally a second position). + // Otherwise, simply returns the range between the given positions. + // Used for cursor motion and such. + function extendRange(range, head, other, extend) { + if (extend) { + var anchor = range.anchor; + if (other) { + var posBefore = cmp(head, anchor) < 0; + if (posBefore != (cmp(other, anchor) < 0)) { + anchor = head; + head = other; + } else if (posBefore != (cmp(head, other) < 0)) { + head = other; + } + } + return new Range(anchor, head) + } else { + return new Range(other || head, head) + } + } + + // Extend the primary selection range, discard the rest. + function extendSelection(doc, head, other, options, extend) { + if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); } + setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options); + } + + // Extend all selections (pos is an array of selections with length + // equal the number of selections) + function extendSelections(doc, heads, options) { + var out = []; + var extend = doc.cm && (doc.cm.display.shift || doc.extend); + for (var i = 0; i < doc.sel.ranges.length; i++) + { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); } + var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex); + setSelection(doc, newSel, options); + } + + // Updates a single range in the selection. + function replaceOneSelection(doc, i, range, options) { + var ranges = doc.sel.ranges.slice(0); + ranges[i] = range; + setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options); + } + + // Reset the selection to a single range. + function setSimpleSelection(doc, anchor, head, options) { + setSelection(doc, simpleSelection(anchor, head), options); + } + + // Give beforeSelectionChange handlers a change to influence a + // selection update. + function filterSelectionChange(doc, sel, options) { + var obj = { + ranges: sel.ranges, + update: function(ranges) { + this.ranges = []; + for (var i = 0; i < ranges.length; i++) + { this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), + clipPos(doc, ranges[i].head)); } + }, + origin: options && options.origin + }; + signal(doc, "beforeSelectionChange", doc, obj); + if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); } + if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) } + else { return sel } + } + + function setSelectionReplaceHistory(doc, sel, options) { + var done = doc.history.done, last = lst(done); + if (last && last.ranges) { + done[done.length - 1] = sel; + setSelectionNoUndo(doc, sel, options); + } else { + setSelection(doc, sel, options); + } + } + + // Set a new selection. + function setSelection(doc, sel, options) { + setSelectionNoUndo(doc, sel, options); + addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); + } + + function setSelectionNoUndo(doc, sel, options) { + if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) + { sel = filterSelectionChange(doc, sel, options); } + + var bias = options && options.bias || + (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); + setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); + + if (!(options && options.scroll === false) && doc.cm && doc.cm.getOption("readOnly") != "nocursor") + { ensureCursorVisible(doc.cm); } + } + + function setSelectionInner(doc, sel) { + if (sel.equals(doc.sel)) { return } + + doc.sel = sel; + + if (doc.cm) { + doc.cm.curOp.updateInput = 1; + doc.cm.curOp.selectionChanged = true; + signalCursorActivity(doc.cm); + } + signalLater(doc, "cursorActivity", doc); + } + + // Verify that the selection does not partially select any atomic + // marked ranges. + function reCheckSelection(doc) { + setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false)); + } + + // Return a selection that does not partially select any atomic + // ranges. + function skipAtomicInSelection(doc, sel, bias, mayClear) { + var out; + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i]; + var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; + var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); + var newHead = range.head == range.anchor ? newAnchor : skipAtomic(doc, range.head, old && old.head, bias, mayClear); + if (out || newAnchor != range.anchor || newHead != range.head) { + if (!out) { out = sel.ranges.slice(0, i); } + out[i] = new Range(newAnchor, newHead); + } + } + return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel + } + + function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { + var line = getLine(doc, pos.line); + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { + var sp = line.markedSpans[i], m = sp.marker; + + // Determine if we should prevent the cursor being placed to the left/right of an atomic marker + // Historically this was determined using the inclusiveLeft/Right option, but the new way to control it + // is with selectLeft/Right + var preventCursorLeft = ("selectLeft" in m) ? !m.selectLeft : m.inclusiveLeft; + var preventCursorRight = ("selectRight" in m) ? !m.selectRight : m.inclusiveRight; + + if ((sp.from == null || (preventCursorLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && + (sp.to == null || (preventCursorRight ? sp.to >= pos.ch : sp.to > pos.ch))) { + if (mayClear) { + signal(m, "beforeCursorEnter"); + if (m.explicitlyCleared) { + if (!line.markedSpans) { break } + else {--i; continue} + } + } + if (!m.atomic) { continue } + + if (oldPos) { + var near = m.find(dir < 0 ? 1 : -1), diff = (void 0); + if (dir < 0 ? preventCursorRight : preventCursorLeft) + { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); } + if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) + { return skipAtomicInner(doc, near, pos, dir, mayClear) } + } + + var far = m.find(dir < 0 ? -1 : 1); + if (dir < 0 ? preventCursorLeft : preventCursorRight) + { far = movePos(doc, far, dir, far.line == pos.line ? line : null); } + return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null + } + } } + return pos + } + + // Ensure a given position is not inside an atomic range. + function skipAtomic(doc, pos, oldPos, bias, mayClear) { + var dir = bias || 1; + var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || + skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); + if (!found) { + doc.cantEdit = true; + return Pos(doc.first, 0) + } + return found + } + + function movePos(doc, pos, dir, line) { + if (dir < 0 && pos.ch == 0) { + if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) } + else { return null } + } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { + if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) } + else { return null } + } else { + return new Pos(pos.line, pos.ch + dir) + } + } + + function selectAll(cm) { + cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll); + } + + // UPDATING + + // Allow "beforeChange" event handlers to influence a change + function filterChange(doc, change, update) { + var obj = { + canceled: false, + from: change.from, + to: change.to, + text: change.text, + origin: change.origin, + cancel: function () { return obj.canceled = true; } + }; + if (update) { obj.update = function (from, to, text, origin) { + if (from) { obj.from = clipPos(doc, from); } + if (to) { obj.to = clipPos(doc, to); } + if (text) { obj.text = text; } + if (origin !== undefined) { obj.origin = origin; } + }; } + signal(doc, "beforeChange", doc, obj); + if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); } + + if (obj.canceled) { + if (doc.cm) { doc.cm.curOp.updateInput = 2; } + return null + } + return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin} + } + + // Apply a change to a document, and add it to the document's + // history, and propagating it to all linked documents. + function makeChange(doc, change, ignoreReadOnly) { + if (doc.cm) { + if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) } + if (doc.cm.state.suppressEdits) { return } + } + + if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { + change = filterChange(doc, change, true); + if (!change) { return } + } + + // Possibly split or suppress the update based on the presence + // of read-only spans in its range. + var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); + if (split) { + for (var i = split.length - 1; i >= 0; --i) + { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); } + } else { + makeChangeInner(doc, change); + } + } + + function makeChangeInner(doc, change) { + if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return } + var selAfter = computeSelAfterChange(doc, change); + addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); + + makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); + var rebased = []; + + linkedDocs(doc, function (doc, sharedHist) { + if (!sharedHist && indexOf(rebased, doc.history) == -1) { + rebaseHist(doc.history, change); + rebased.push(doc.history); + } + makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); + }); + } + + // Revert a change stored in a document's history. + function makeChangeFromHistory(doc, type, allowSelectionOnly) { + var suppress = doc.cm && doc.cm.state.suppressEdits; + if (suppress && !allowSelectionOnly) { return } + + var hist = doc.history, event, selAfter = doc.sel; + var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; + + // Verify that there is a useable event (so that ctrl-z won't + // needlessly clear selection events) + var i = 0; + for (; i < source.length; i++) { + event = source[i]; + if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) + { break } + } + if (i == source.length) { return } + hist.lastOrigin = hist.lastSelOrigin = null; + + for (;;) { + event = source.pop(); + if (event.ranges) { + pushSelectionToHistory(event, dest); + if (allowSelectionOnly && !event.equals(doc.sel)) { + setSelection(doc, event, {clearRedo: false}); + return + } + selAfter = event; + } else if (suppress) { + source.push(event); + return + } else { break } + } + + // Build up a reverse change object to add to the opposite history + // stack (redo when undoing, and vice versa). + var antiChanges = []; + pushSelectionToHistory(selAfter, dest); + dest.push({changes: antiChanges, generation: hist.generation}); + hist.generation = event.generation || ++hist.maxGeneration; + + var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); + + var loop = function ( i ) { + var change = event.changes[i]; + change.origin = type; + if (filter && !filterChange(doc, change, false)) { + source.length = 0; + return {} + } + + antiChanges.push(historyChangeFromChange(doc, change)); + + var after = i ? computeSelAfterChange(doc, change) : lst(source); + makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); + if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); } + var rebased = []; + + // Propagate to the linked documents + linkedDocs(doc, function (doc, sharedHist) { + if (!sharedHist && indexOf(rebased, doc.history) == -1) { + rebaseHist(doc.history, change); + rebased.push(doc.history); + } + makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); + }); + }; + + for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) { + var returned = loop( i$1 ); + + if ( returned ) return returned.v; + } + } + + // Sub-views need their line numbers shifted when text is added + // above or below them in the parent document. + function shiftDoc(doc, distance) { + if (distance == 0) { return } + doc.first += distance; + doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range( + Pos(range.anchor.line + distance, range.anchor.ch), + Pos(range.head.line + distance, range.head.ch) + ); }), doc.sel.primIndex); + if (doc.cm) { + regChange(doc.cm, doc.first, doc.first - distance, distance); + for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) + { regLineChange(doc.cm, l, "gutter"); } + } + } + + // More lower-level change function, handling only a single document + // (not linked ones). + function makeChangeSingleDoc(doc, change, selAfter, spans) { + if (doc.cm && !doc.cm.curOp) + { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) } + + if (change.to.line < doc.first) { + shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); + return + } + if (change.from.line > doc.lastLine()) { return } + + // Clip the change to the size of this doc + if (change.from.line < doc.first) { + var shift = change.text.length - 1 - (doc.first - change.from.line); + shiftDoc(doc, shift); + change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), + text: [lst(change.text)], origin: change.origin}; + } + var last = doc.lastLine(); + if (change.to.line > last) { + change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), + text: [change.text[0]], origin: change.origin}; + } + + change.removed = getBetween(doc, change.from, change.to); + + if (!selAfter) { selAfter = computeSelAfterChange(doc, change); } + if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); } + else { updateDoc(doc, change, spans); } + setSelectionNoUndo(doc, selAfter, sel_dontScroll); + + if (doc.cantEdit && skipAtomic(doc, Pos(doc.firstLine(), 0))) + { doc.cantEdit = false; } + } + + // Handle the interaction of a change to a document with the editor + // that this document is part of. + function makeChangeSingleDocInEditor(cm, change, spans) { + var doc = cm.doc, display = cm.display, from = change.from, to = change.to; + + var recomputeMaxLength = false, checkWidthStart = from.line; + if (!cm.options.lineWrapping) { + checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); + doc.iter(checkWidthStart, to.line + 1, function (line) { + if (line == display.maxLine) { + recomputeMaxLength = true; + return true + } + }); + } + + if (doc.sel.contains(change.from, change.to) > -1) + { signalCursorActivity(cm); } + + updateDoc(doc, change, spans, estimateHeight(cm)); + + if (!cm.options.lineWrapping) { + doc.iter(checkWidthStart, from.line + change.text.length, function (line) { + var len = lineLength(line); + if (len > display.maxLineLength) { + display.maxLine = line; + display.maxLineLength = len; + display.maxLineChanged = true; + recomputeMaxLength = false; + } + }); + if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; } + } + + retreatFrontier(doc, from.line); + startWorker(cm, 400); + + var lendiff = change.text.length - (to.line - from.line) - 1; + // Remember that these lines changed, for updating the display + if (change.full) + { regChange(cm); } + else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) + { regLineChange(cm, from.line, "text"); } + else + { regChange(cm, from.line, to.line + 1, lendiff); } + + var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); + if (changeHandler || changesHandler) { + var obj = { + from: from, to: to, + text: change.text, + removed: change.removed, + origin: change.origin + }; + if (changeHandler) { signalLater(cm, "change", cm, obj); } + if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); } + } + cm.display.selForContextMenu = null; + } + + function replaceRange(doc, code, from, to, origin) { + var assign; + + if (!to) { to = from; } + if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); } + if (typeof code == "string") { code = doc.splitLines(code); } + makeChange(doc, {from: from, to: to, text: code, origin: origin}); + } + + // Rebasing/resetting history to deal with externally-sourced changes + + function rebaseHistSelSingle(pos, from, to, diff) { + if (to < pos.line) { + pos.line += diff; + } else if (from < pos.line) { + pos.line = from; + pos.ch = 0; + } + } + + // Tries to rebase an array of history events given a change in the + // document. If the change touches the same lines as the event, the + // event, and everything 'behind' it, is discarded. If the change is + // before the event, the event's positions are updated. Uses a + // copy-on-write scheme for the positions, to avoid having to + // reallocate them all on every rebase, but also avoid problems with + // shared position objects being unsafely updated. + function rebaseHistArray(array, from, to, diff) { + for (var i = 0; i < array.length; ++i) { + var sub = array[i], ok = true; + if (sub.ranges) { + if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } + for (var j = 0; j < sub.ranges.length; j++) { + rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); + rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); + } + continue + } + for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) { + var cur = sub.changes[j$1]; + if (to < cur.from.line) { + cur.from = Pos(cur.from.line + diff, cur.from.ch); + cur.to = Pos(cur.to.line + diff, cur.to.ch); + } else if (from <= cur.to.line) { + ok = false; + break + } + } + if (!ok) { + array.splice(0, i + 1); + i = 0; + } + } + } + + function rebaseHist(hist, change) { + var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; + rebaseHistArray(hist.done, from, to, diff); + rebaseHistArray(hist.undone, from, to, diff); + } + + // Utility for applying a change to a line by handle or number, + // returning the number and optionally registering the line as + // changed. + function changeLine(doc, handle, changeType, op) { + var no = handle, line = handle; + if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); } + else { no = lineNo(handle); } + if (no == null) { return null } + if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); } + return line + } + + // The document is represented as a BTree consisting of leaves, with + // chunk of lines in them, and branches, with up to ten leaves or + // other branch nodes below them. The top node is always a branch + // node, and is the document object itself (meaning it has + // additional methods and properties). + // + // All nodes have parent links. The tree is used both to go from + // line numbers to line objects, and to go from objects to numbers. + // It also indexes by height, and is used to convert between height + // and line object, and to find the total height of the document. + // + // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html + + function LeafChunk(lines) { + this.lines = lines; + this.parent = null; + var height = 0; + for (var i = 0; i < lines.length; ++i) { + lines[i].parent = this; + height += lines[i].height; + } + this.height = height; + } + + LeafChunk.prototype = { + chunkSize: function() { return this.lines.length }, + + // Remove the n lines at offset 'at'. + removeInner: function(at, n) { + for (var i = at, e = at + n; i < e; ++i) { + var line = this.lines[i]; + this.height -= line.height; + cleanUpLine(line); + signalLater(line, "delete"); + } + this.lines.splice(at, n); + }, + + // Helper used to collapse a small branch into a single leaf. + collapse: function(lines) { + lines.push.apply(lines, this.lines); + }, + + // Insert the given array of lines at offset 'at', count them as + // having the given height. + insertInner: function(at, lines, height) { + this.height += height; + this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); + for (var i = 0; i < lines.length; ++i) { lines[i].parent = this; } + }, + + // Used to iterate over a part of the tree. + iterN: function(at, n, op) { + for (var e = at + n; at < e; ++at) + { if (op(this.lines[at])) { return true } } + } + }; + + function BranchChunk(children) { + this.children = children; + var size = 0, height = 0; + for (var i = 0; i < children.length; ++i) { + var ch = children[i]; + size += ch.chunkSize(); height += ch.height; + ch.parent = this; + } + this.size = size; + this.height = height; + this.parent = null; + } + + BranchChunk.prototype = { + chunkSize: function() { return this.size }, + + removeInner: function(at, n) { + this.size -= n; + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var rm = Math.min(n, sz - at), oldHeight = child.height; + child.removeInner(at, rm); + this.height -= oldHeight - child.height; + if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } + if ((n -= rm) == 0) { break } + at = 0; + } else { at -= sz; } + } + // If the result is smaller than 25 lines, ensure that it is a + // single leaf node. + if (this.size - n < 25 && + (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { + var lines = []; + this.collapse(lines); + this.children = [new LeafChunk(lines)]; + this.children[0].parent = this; + } + }, + + collapse: function(lines) { + for (var i = 0; i < this.children.length; ++i) { this.children[i].collapse(lines); } + }, + + insertInner: function(at, lines, height) { + this.size += lines.length; + this.height += height; + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at <= sz) { + child.insertInner(at, lines, height); + if (child.lines && child.lines.length > 50) { + // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. + // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. + var remaining = child.lines.length % 25 + 25; + for (var pos = remaining; pos < child.lines.length;) { + var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)); + child.height -= leaf.height; + this.children.splice(++i, 0, leaf); + leaf.parent = this; + } + child.lines = child.lines.slice(0, remaining); + this.maybeSpill(); + } + break + } + at -= sz; + } + }, + + // When a node has grown, check whether it should be split. + maybeSpill: function() { + if (this.children.length <= 10) { return } + var me = this; + do { + var spilled = me.children.splice(me.children.length - 5, 5); + var sibling = new BranchChunk(spilled); + if (!me.parent) { // Become the parent node + var copy = new BranchChunk(me.children); + copy.parent = me; + me.children = [copy, sibling]; + me = copy; + } else { + me.size -= sibling.size; + me.height -= sibling.height; + var myIndex = indexOf(me.parent.children, me); + me.parent.children.splice(myIndex + 1, 0, sibling); + } + sibling.parent = me.parent; + } while (me.children.length > 10) + me.parent.maybeSpill(); + }, + + iterN: function(at, n, op) { + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var used = Math.min(n, sz - at); + if (child.iterN(at, used, op)) { return true } + if ((n -= used) == 0) { break } + at = 0; + } else { at -= sz; } + } + } + }; + + // Line widgets are block elements displayed above or below a line. + + var LineWidget = function(doc, node, options) { + if (options) { for (var opt in options) { if (options.hasOwnProperty(opt)) + { this[opt] = options[opt]; } } } + this.doc = doc; + this.node = node; + }; + + LineWidget.prototype.clear = function () { + var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); + if (no == null || !ws) { return } + for (var i = 0; i < ws.length; ++i) { if (ws[i] == this) { ws.splice(i--, 1); } } + if (!ws.length) { line.widgets = null; } + var height = widgetHeight(this); + updateLineHeight(line, Math.max(0, line.height - height)); + if (cm) { + runInOp(cm, function () { + adjustScrollWhenAboveVisible(cm, line, -height); + regLineChange(cm, no, "widget"); + }); + signalLater(cm, "lineWidgetCleared", cm, this, no); + } + }; + + LineWidget.prototype.changed = function () { + var this$1 = this; + + var oldH = this.height, cm = this.doc.cm, line = this.line; + this.height = null; + var diff = widgetHeight(this) - oldH; + if (!diff) { return } + if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); } + if (cm) { + runInOp(cm, function () { + cm.curOp.forceUpdate = true; + adjustScrollWhenAboveVisible(cm, line, diff); + signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line)); + }); + } + }; + eventMixin(LineWidget); + + function adjustScrollWhenAboveVisible(cm, line, diff) { + if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) + { addToScrollTop(cm, diff); } + } + + function addLineWidget(doc, handle, node, options) { + var widget = new LineWidget(doc, node, options); + var cm = doc.cm; + if (cm && widget.noHScroll) { cm.display.alignWidgets = true; } + changeLine(doc, handle, "widget", function (line) { + var widgets = line.widgets || (line.widgets = []); + if (widget.insertAt == null) { widgets.push(widget); } + else { widgets.splice(Math.min(widgets.length, Math.max(0, widget.insertAt)), 0, widget); } + widget.line = line; + if (cm && !lineIsHidden(doc, line)) { + var aboveVisible = heightAtLine(line) < doc.scrollTop; + updateLineHeight(line, line.height + widgetHeight(widget)); + if (aboveVisible) { addToScrollTop(cm, widget.height); } + cm.curOp.forceUpdate = true; + } + return true + }); + if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); } + return widget + } + + // TEXTMARKERS + + // Created with markText and setBookmark methods. A TextMarker is a + // handle that can be used to clear or find a marked position in the + // document. Line objects hold arrays (markedSpans) containing + // {from, to, marker} object pointing to such marker objects, and + // indicating that such a marker is present on that line. Multiple + // lines may point to the same marker when it spans across lines. + // The spans will have null for their from/to properties when the + // marker continues beyond the start/end of the line. Markers have + // links back to the lines they currently touch. + + // Collapsed markers have unique ids, in order to be able to order + // them, which is needed for uniquely determining an outer marker + // when they overlap (they may nest, but not partially overlap). + var nextMarkerId = 0; + + var TextMarker = function(doc, type) { + this.lines = []; + this.type = type; + this.doc = doc; + this.id = ++nextMarkerId; + }; + + // Clear the marker. + TextMarker.prototype.clear = function () { + if (this.explicitlyCleared) { return } + var cm = this.doc.cm, withOp = cm && !cm.curOp; + if (withOp) { startOperation(cm); } + if (hasHandler(this, "clear")) { + var found = this.find(); + if (found) { signalLater(this, "clear", found.from, found.to); } + } + var min = null, max = null; + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (cm && !this.collapsed) { regLineChange(cm, lineNo(line), "text"); } + else if (cm) { + if (span.to != null) { max = lineNo(line); } + if (span.from != null) { min = lineNo(line); } + } + line.markedSpans = removeMarkedSpan(line.markedSpans, span); + if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm) + { updateLineHeight(line, textHeight(cm.display)); } + } + if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) { + var visual = visualLine(this.lines[i$1]), len = lineLength(visual); + if (len > cm.display.maxLineLength) { + cm.display.maxLine = visual; + cm.display.maxLineLength = len; + cm.display.maxLineChanged = true; + } + } } + + if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); } + this.lines.length = 0; + this.explicitlyCleared = true; + if (this.atomic && this.doc.cantEdit) { + this.doc.cantEdit = false; + if (cm) { reCheckSelection(cm.doc); } + } + if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); } + if (withOp) { endOperation(cm); } + if (this.parent) { this.parent.clear(); } + }; + + // Find the position of the marker in the document. Returns a {from, + // to} object by default. Side can be passed to get a specific side + // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the + // Pos objects returned contain a line object, rather than a line + // number (used to prevent looking up the same line twice). + TextMarker.prototype.find = function (side, lineObj) { + if (side == null && this.type == "bookmark") { side = 1; } + var from, to; + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (span.from != null) { + from = Pos(lineObj ? line : lineNo(line), span.from); + if (side == -1) { return from } + } + if (span.to != null) { + to = Pos(lineObj ? line : lineNo(line), span.to); + if (side == 1) { return to } + } + } + return from && {from: from, to: to} + }; + + // Signals that the marker's widget changed, and surrounding layout + // should be recomputed. + TextMarker.prototype.changed = function () { + var this$1 = this; + + var pos = this.find(-1, true), widget = this, cm = this.doc.cm; + if (!pos || !cm) { return } + runInOp(cm, function () { + var line = pos.line, lineN = lineNo(pos.line); + var view = findViewForLine(cm, lineN); + if (view) { + clearLineMeasurementCacheFor(view); + cm.curOp.selectionChanged = cm.curOp.forceUpdate = true; + } + cm.curOp.updateMaxLine = true; + if (!lineIsHidden(widget.doc, line) && widget.height != null) { + var oldHeight = widget.height; + widget.height = null; + var dHeight = widgetHeight(widget) - oldHeight; + if (dHeight) + { updateLineHeight(line, line.height + dHeight); } + } + signalLater(cm, "markerChanged", cm, this$1); + }); + }; + + TextMarker.prototype.attachLine = function (line) { + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp; + if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) + { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); } + } + this.lines.push(line); + }; + + TextMarker.prototype.detachLine = function (line) { + this.lines.splice(indexOf(this.lines, line), 1); + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp + ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); + } + }; + eventMixin(TextMarker); + + // Create a marker, wire it up to the right lines, and + function markText(doc, from, to, options, type) { + // Shared markers (across linked documents) are handled separately + // (markTextShared will call out to this again, once per + // document). + if (options && options.shared) { return markTextShared(doc, from, to, options, type) } + // Ensure we are in an operation. + if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) } + + var marker = new TextMarker(doc, type), diff = cmp(from, to); + if (options) { copyObj(options, marker, false); } + // Don't connect empty markers unless clearWhenEmpty is false + if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) + { return marker } + if (marker.replacedWith) { + // Showing up as a widget implies collapsed (widget replaces text) + marker.collapsed = true; + marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget"); + if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); } + if (options.insertLeft) { marker.widgetNode.insertLeft = true; } + } + if (marker.collapsed) { + if (conflictingCollapsedRange(doc, from.line, from, to, marker) || + from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) + { throw new Error("Inserting collapsed marker partially overlapping an existing one") } + seeCollapsedSpans(); + } + + if (marker.addToHistory) + { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); } + + var curLine = from.line, cm = doc.cm, updateMaxLine; + doc.iter(curLine, to.line + 1, function (line) { + if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) + { updateMaxLine = true; } + if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); } + addMarkedSpan(line, new MarkedSpan(marker, + curLine == from.line ? from.ch : null, + curLine == to.line ? to.ch : null), doc.cm && doc.cm.curOp); + ++curLine; + }); + // lineIsHidden depends on the presence of the spans, so needs a second pass + if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) { + if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); } + }); } + + if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); } + + if (marker.readOnly) { + seeReadOnlySpans(); + if (doc.history.done.length || doc.history.undone.length) + { doc.clearHistory(); } + } + if (marker.collapsed) { + marker.id = ++nextMarkerId; + marker.atomic = true; + } + if (cm) { + // Sync editor state + if (updateMaxLine) { cm.curOp.updateMaxLine = true; } + if (marker.collapsed) + { regChange(cm, from.line, to.line + 1); } + else if (marker.className || marker.startStyle || marker.endStyle || marker.css || + marker.attributes || marker.title) + { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } } + if (marker.atomic) { reCheckSelection(cm.doc); } + signalLater(cm, "markerAdded", cm, marker); + } + return marker + } + + // SHARED TEXTMARKERS + + // A shared marker spans multiple linked documents. It is + // implemented as a meta-marker-object controlling multiple normal + // markers. + var SharedTextMarker = function(markers, primary) { + this.markers = markers; + this.primary = primary; + for (var i = 0; i < markers.length; ++i) + { markers[i].parent = this; } + }; + + SharedTextMarker.prototype.clear = function () { + if (this.explicitlyCleared) { return } + this.explicitlyCleared = true; + for (var i = 0; i < this.markers.length; ++i) + { this.markers[i].clear(); } + signalLater(this, "clear"); + }; + + SharedTextMarker.prototype.find = function (side, lineObj) { + return this.primary.find(side, lineObj) + }; + eventMixin(SharedTextMarker); + + function markTextShared(doc, from, to, options, type) { + options = copyObj(options); + options.shared = false; + var markers = [markText(doc, from, to, options, type)], primary = markers[0]; + var widget = options.widgetNode; + linkedDocs(doc, function (doc) { + if (widget) { options.widgetNode = widget.cloneNode(true); } + markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); + for (var i = 0; i < doc.linked.length; ++i) + { if (doc.linked[i].isParent) { return } } + primary = lst(markers); + }); + return new SharedTextMarker(markers, primary) + } + + function findSharedMarkers(doc) { + return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; }) + } + + function copySharedMarkers(doc, markers) { + for (var i = 0; i < markers.length; i++) { + var marker = markers[i], pos = marker.find(); + var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); + if (cmp(mFrom, mTo)) { + var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); + marker.markers.push(subMark); + subMark.parent = marker; + } + } + } + + function detachSharedMarkers(markers) { + var loop = function ( i ) { + var marker = markers[i], linked = [marker.primary.doc]; + linkedDocs(marker.primary.doc, function (d) { return linked.push(d); }); + for (var j = 0; j < marker.markers.length; j++) { + var subMarker = marker.markers[j]; + if (indexOf(linked, subMarker.doc) == -1) { + subMarker.parent = null; + marker.markers.splice(j--, 1); + } + } + }; + + for (var i = 0; i < markers.length; i++) loop( i ); + } + + var nextDocId = 0; + var Doc = function(text, mode, firstLine, lineSep, direction) { + if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) } + if (firstLine == null) { firstLine = 0; } + + BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); + this.first = firstLine; + this.scrollTop = this.scrollLeft = 0; + this.cantEdit = false; + this.cleanGeneration = 1; + this.modeFrontier = this.highlightFrontier = firstLine; + var start = Pos(firstLine, 0); + this.sel = simpleSelection(start); + this.history = new History(null); + this.id = ++nextDocId; + this.modeOption = mode; + this.lineSep = lineSep; + this.direction = (direction == "rtl") ? "rtl" : "ltr"; + this.extend = false; + + if (typeof text == "string") { text = this.splitLines(text); } + updateDoc(this, {from: start, to: start, text: text}); + setSelection(this, simpleSelection(start), sel_dontScroll); + }; + + Doc.prototype = createObj(BranchChunk.prototype, { + constructor: Doc, + // Iterate over the document. Supports two forms -- with only one + // argument, it calls that for each line in the document. With + // three, it iterates over the range given by the first two (with + // the second being non-inclusive). + iter: function(from, to, op) { + if (op) { this.iterN(from - this.first, to - from, op); } + else { this.iterN(this.first, this.first + this.size, from); } + }, + + // Non-public interface for adding and removing lines. + insert: function(at, lines) { + var height = 0; + for (var i = 0; i < lines.length; ++i) { height += lines[i].height; } + this.insertInner(at - this.first, lines, height); + }, + remove: function(at, n) { this.removeInner(at - this.first, n); }, + + // From here, the methods are part of the public interface. Most + // are also available from CodeMirror (editor) instances. + + getValue: function(lineSep) { + var lines = getLines(this, this.first, this.first + this.size); + if (lineSep === false) { return lines } + return lines.join(lineSep || this.lineSeparator()) + }, + setValue: docMethodOp(function(code) { + var top = Pos(this.first, 0), last = this.first + this.size - 1; + makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), + text: this.splitLines(code), origin: "setValue", full: true}, true); + if (this.cm) { scrollToCoords(this.cm, 0, 0); } + setSelection(this, simpleSelection(top), sel_dontScroll); + }), + replaceRange: function(code, from, to, origin) { + from = clipPos(this, from); + to = to ? clipPos(this, to) : from; + replaceRange(this, code, from, to, origin); + }, + getRange: function(from, to, lineSep) { + var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); + if (lineSep === false) { return lines } + if (lineSep === '') { return lines.join('') } + return lines.join(lineSep || this.lineSeparator()) + }, + + getLine: function(line) {var l = this.getLineHandle(line); return l && l.text}, + + getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }}, + getLineNumber: function(line) {return lineNo(line)}, + + getLineHandleVisualStart: function(line) { + if (typeof line == "number") { line = getLine(this, line); } + return visualLine(line) + }, + + lineCount: function() {return this.size}, + firstLine: function() {return this.first}, + lastLine: function() {return this.first + this.size - 1}, + + clipPos: function(pos) {return clipPos(this, pos)}, + + getCursor: function(start) { + var range = this.sel.primary(), pos; + if (start == null || start == "head") { pos = range.head; } + else if (start == "anchor") { pos = range.anchor; } + else if (start == "end" || start == "to" || start === false) { pos = range.to(); } + else { pos = range.from(); } + return pos + }, + listSelections: function() { return this.sel.ranges }, + somethingSelected: function() {return this.sel.somethingSelected()}, + + setCursor: docMethodOp(function(line, ch, options) { + setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); + }), + setSelection: docMethodOp(function(anchor, head, options) { + setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); + }), + extendSelection: docMethodOp(function(head, other, options) { + extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); + }), + extendSelections: docMethodOp(function(heads, options) { + extendSelections(this, clipPosArray(this, heads), options); + }), + extendSelectionsBy: docMethodOp(function(f, options) { + var heads = map(this.sel.ranges, f); + extendSelections(this, clipPosArray(this, heads), options); + }), + setSelections: docMethodOp(function(ranges, primary, options) { + if (!ranges.length) { return } + var out = []; + for (var i = 0; i < ranges.length; i++) + { out[i] = new Range(clipPos(this, ranges[i].anchor), + clipPos(this, ranges[i].head || ranges[i].anchor)); } + if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); } + setSelection(this, normalizeSelection(this.cm, out, primary), options); + }), + addSelection: docMethodOp(function(anchor, head, options) { + var ranges = this.sel.ranges.slice(0); + ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); + setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options); + }), + + getSelection: function(lineSep) { + var ranges = this.sel.ranges, lines; + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this, ranges[i].from(), ranges[i].to()); + lines = lines ? lines.concat(sel) : sel; + } + if (lineSep === false) { return lines } + else { return lines.join(lineSep || this.lineSeparator()) } + }, + getSelections: function(lineSep) { + var parts = [], ranges = this.sel.ranges; + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this, ranges[i].from(), ranges[i].to()); + if (lineSep !== false) { sel = sel.join(lineSep || this.lineSeparator()); } + parts[i] = sel; + } + return parts + }, + replaceSelection: function(code, collapse, origin) { + var dup = []; + for (var i = 0; i < this.sel.ranges.length; i++) + { dup[i] = code; } + this.replaceSelections(dup, collapse, origin || "+input"); + }, + replaceSelections: docMethodOp(function(code, collapse, origin) { + var changes = [], sel = this.sel; + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i]; + changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; + } + var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); + for (var i$1 = changes.length - 1; i$1 >= 0; i$1--) + { makeChange(this, changes[i$1]); } + if (newSel) { setSelectionReplaceHistory(this, newSel); } + else if (this.cm) { ensureCursorVisible(this.cm); } + }), + undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), + redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), + undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), + redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), + + setExtending: function(val) {this.extend = val;}, + getExtending: function() {return this.extend}, + + historySize: function() { + var hist = this.history, done = 0, undone = 0; + for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } } + for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } } + return {undo: done, redo: undone} + }, + clearHistory: function() { + var this$1 = this; + + this.history = new History(this.history); + linkedDocs(this, function (doc) { return doc.history = this$1.history; }, true); + }, + + markClean: function() { + this.cleanGeneration = this.changeGeneration(true); + }, + changeGeneration: function(forceSplit) { + if (forceSplit) + { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; } + return this.history.generation + }, + isClean: function (gen) { + return this.history.generation == (gen || this.cleanGeneration) + }, + + getHistory: function() { + return {done: copyHistoryArray(this.history.done), + undone: copyHistoryArray(this.history.undone)} + }, + setHistory: function(histData) { + var hist = this.history = new History(this.history); + hist.done = copyHistoryArray(histData.done.slice(0), null, true); + hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); + }, + + setGutterMarker: docMethodOp(function(line, gutterID, value) { + return changeLine(this, line, "gutter", function (line) { + var markers = line.gutterMarkers || (line.gutterMarkers = {}); + markers[gutterID] = value; + if (!value && isEmpty(markers)) { line.gutterMarkers = null; } + return true + }) + }), + + clearGutter: docMethodOp(function(gutterID) { + var this$1 = this; + + this.iter(function (line) { + if (line.gutterMarkers && line.gutterMarkers[gutterID]) { + changeLine(this$1, line, "gutter", function () { + line.gutterMarkers[gutterID] = null; + if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; } + return true + }); + } + }); + }), + + lineInfo: function(line) { + var n; + if (typeof line == "number") { + if (!isLine(this, line)) { return null } + n = line; + line = getLine(this, line); + if (!line) { return null } + } else { + n = lineNo(line); + if (n == null) { return null } + } + return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, + textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, + widgets: line.widgets} + }, + + addLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; + if (!line[prop]) { line[prop] = cls; } + else if (classTest(cls).test(line[prop])) { return false } + else { line[prop] += " " + cls; } + return true + }) + }), + removeLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; + var cur = line[prop]; + if (!cur) { return false } + else if (cls == null) { line[prop] = null; } + else { + var found = cur.match(classTest(cls)); + if (!found) { return false } + var end = found.index + found[0].length; + line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; + } + return true + }) + }), + + addLineWidget: docMethodOp(function(handle, node, options) { + return addLineWidget(this, handle, node, options) + }), + removeLineWidget: function(widget) { widget.clear(); }, + + markText: function(from, to, options) { + return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range") + }, + setBookmark: function(pos, options) { + var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), + insertLeft: options && options.insertLeft, + clearWhenEmpty: false, shared: options && options.shared, + handleMouseEvents: options && options.handleMouseEvents}; + pos = clipPos(this, pos); + return markText(this, pos, pos, realOpts, "bookmark") + }, + findMarksAt: function(pos) { + pos = clipPos(this, pos); + var markers = [], spans = getLine(this, pos.line).markedSpans; + if (spans) { for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if ((span.from == null || span.from <= pos.ch) && + (span.to == null || span.to >= pos.ch)) + { markers.push(span.marker.parent || span.marker); } + } } + return markers + }, + findMarks: function(from, to, filter) { + from = clipPos(this, from); to = clipPos(this, to); + var found = [], lineNo = from.line; + this.iter(from.line, to.line + 1, function (line) { + var spans = line.markedSpans; + if (spans) { for (var i = 0; i < spans.length; i++) { + var span = spans[i]; + if (!(span.to != null && lineNo == from.line && from.ch >= span.to || + span.from == null && lineNo != from.line || + span.from != null && lineNo == to.line && span.from >= to.ch) && + (!filter || filter(span.marker))) + { found.push(span.marker.parent || span.marker); } + } } + ++lineNo; + }); + return found + }, + getAllMarks: function() { + var markers = []; + this.iter(function (line) { + var sps = line.markedSpans; + if (sps) { for (var i = 0; i < sps.length; ++i) + { if (sps[i].from != null) { markers.push(sps[i].marker); } } } + }); + return markers + }, + + posFromIndex: function(off) { + var ch, lineNo = this.first, sepSize = this.lineSeparator().length; + this.iter(function (line) { + var sz = line.text.length + sepSize; + if (sz > off) { ch = off; return true } + off -= sz; + ++lineNo; + }); + return clipPos(this, Pos(lineNo, ch)) + }, + indexFromPos: function (coords) { + coords = clipPos(this, coords); + var index = coords.ch; + if (coords.line < this.first || coords.ch < 0) { return 0 } + var sepSize = this.lineSeparator().length; + this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value + index += line.text.length + sepSize; + }); + return index + }, + + copy: function(copyHistory) { + var doc = new Doc(getLines(this, this.first, this.first + this.size), + this.modeOption, this.first, this.lineSep, this.direction); + doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; + doc.sel = this.sel; + doc.extend = false; + if (copyHistory) { + doc.history.undoDepth = this.history.undoDepth; + doc.setHistory(this.getHistory()); + } + return doc + }, + + linkedDoc: function(options) { + if (!options) { options = {}; } + var from = this.first, to = this.first + this.size; + if (options.from != null && options.from > from) { from = options.from; } + if (options.to != null && options.to < to) { to = options.to; } + var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction); + if (options.sharedHist) { copy.history = this.history + ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); + copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; + copySharedMarkers(copy, findSharedMarkers(this)); + return copy + }, + unlinkDoc: function(other) { + if (other instanceof CodeMirror) { other = other.doc; } + if (this.linked) { for (var i = 0; i < this.linked.length; ++i) { + var link = this.linked[i]; + if (link.doc != other) { continue } + this.linked.splice(i, 1); + other.unlinkDoc(this); + detachSharedMarkers(findSharedMarkers(this)); + break + } } + // If the histories were shared, split them again + if (other.history == this.history) { + var splitIds = [other.id]; + linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true); + other.history = new History(null); + other.history.done = copyHistoryArray(this.history.done, splitIds); + other.history.undone = copyHistoryArray(this.history.undone, splitIds); + } + }, + iterLinkedDocs: function(f) {linkedDocs(this, f);}, + + getMode: function() {return this.mode}, + getEditor: function() {return this.cm}, + + splitLines: function(str) { + if (this.lineSep) { return str.split(this.lineSep) } + return splitLinesAuto(str) + }, + lineSeparator: function() { return this.lineSep || "\n" }, + + setDirection: docMethodOp(function (dir) { + if (dir != "rtl") { dir = "ltr"; } + if (dir == this.direction) { return } + this.direction = dir; + this.iter(function (line) { return line.order = null; }); + if (this.cm) { directionChanged(this.cm); } + }) + }); + + // Public alias. + Doc.prototype.eachLine = Doc.prototype.iter; + + // Kludge to work around strange IE behavior where it'll sometimes + // re-fire a series of drag-related events right after the drop (#1551) + var lastDrop = 0; + + function onDrop(e) { + var cm = this; + clearDragCursor(cm); + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) + { return } + e_preventDefault(e); + if (ie) { lastDrop = +new Date; } + var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; + if (!pos || cm.isReadOnly()) { return } + // Might be a file drop, in which case we simply extract the text + // and insert it. + if (files && files.length && window.FileReader && window.File) { + var n = files.length, text = Array(n), read = 0; + var markAsReadAndPasteIfAllFilesAreRead = function () { + if (++read == n) { + operation(cm, function () { + pos = clipPos(cm.doc, pos); + var change = {from: pos, to: pos, + text: cm.doc.splitLines( + text.filter(function (t) { return t != null; }).join(cm.doc.lineSeparator())), + origin: "paste"}; + makeChange(cm.doc, change); + setSelectionReplaceHistory(cm.doc, simpleSelection(clipPos(cm.doc, pos), clipPos(cm.doc, changeEnd(change)))); + })(); + } + }; + var readTextFromFile = function (file, i) { + if (cm.options.allowDropFileTypes && + indexOf(cm.options.allowDropFileTypes, file.type) == -1) { + markAsReadAndPasteIfAllFilesAreRead(); + return + } + var reader = new FileReader; + reader.onerror = function () { return markAsReadAndPasteIfAllFilesAreRead(); }; + reader.onload = function () { + var content = reader.result; + if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { + markAsReadAndPasteIfAllFilesAreRead(); + return + } + text[i] = content; + markAsReadAndPasteIfAllFilesAreRead(); + }; + reader.readAsText(file); + }; + for (var i = 0; i < files.length; i++) { readTextFromFile(files[i], i); } + } else { // Normal drop + // Don't do a replace if the drop happened inside of the selected text. + if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { + cm.state.draggingText(e); + // Ensure the editor is re-focused + setTimeout(function () { return cm.display.input.focus(); }, 20); + return + } + try { + var text$1 = e.dataTransfer.getData("Text"); + if (text$1) { + var selected; + if (cm.state.draggingText && !cm.state.draggingText.copy) + { selected = cm.listSelections(); } + setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); + if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1) + { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } } + cm.replaceSelection(text$1, "around", "paste"); + cm.display.input.focus(); + } + } + catch(e$1){} + } + } + + function onDragStart(cm, e) { + if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return } + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return } + + e.dataTransfer.setData("Text", cm.getSelection()); + e.dataTransfer.effectAllowed = "copyMove"; + + // Use dummy image instead of default browsers image. + // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. + if (e.dataTransfer.setDragImage && !safari) { + var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); + img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; + if (presto) { + img.width = img.height = 1; + cm.display.wrapper.appendChild(img); + // Force a relayout, or Opera won't use our image for some obscure reason + img._top = img.offsetTop; + } + e.dataTransfer.setDragImage(img, 0, 0); + if (presto) { img.parentNode.removeChild(img); } + } + } + + function onDragOver(cm, e) { + var pos = posFromMouse(cm, e); + if (!pos) { return } + var frag = document.createDocumentFragment(); + drawSelectionCursor(cm, pos, frag); + if (!cm.display.dragCursor) { + cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); + cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); + } + removeChildrenAndAdd(cm.display.dragCursor, frag); + } + + function clearDragCursor(cm) { + if (cm.display.dragCursor) { + cm.display.lineSpace.removeChild(cm.display.dragCursor); + cm.display.dragCursor = null; + } + } + + // These must be handled carefully, because naively registering a + // handler for each editor will cause the editors to never be + // garbage collected. + + function forEachCodeMirror(f) { + if (!document.getElementsByClassName) { return } + var byClass = document.getElementsByClassName("CodeMirror"), editors = []; + for (var i = 0; i < byClass.length; i++) { + var cm = byClass[i].CodeMirror; + if (cm) { editors.push(cm); } + } + if (editors.length) { editors[0].operation(function () { + for (var i = 0; i < editors.length; i++) { f(editors[i]); } + }); } + } + + var globalsRegistered = false; + function ensureGlobalHandlers() { + if (globalsRegistered) { return } + registerGlobalHandlers(); + globalsRegistered = true; + } + function registerGlobalHandlers() { + // When the window resizes, we need to refresh active editors. + var resizeTimer; + on(window, "resize", function () { + if (resizeTimer == null) { resizeTimer = setTimeout(function () { + resizeTimer = null; + forEachCodeMirror(onResize); + }, 100); } + }); + // When the window loses focus, we want to show the editor as blurred + on(window, "blur", function () { return forEachCodeMirror(onBlur); }); + } + // Called when the window resizes + function onResize(cm) { + var d = cm.display; + // Might be a text scaling operation, clear size caches. + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + d.scrollbarsClipped = false; + cm.setSize(); + } + + var keyNames = { + 3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", + 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", + 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 145: "ScrollLock", + 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", + 221: "]", 222: "'", 224: "Mod", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", + 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" + }; + + // Number keys + for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); } + // Alphabetic keys + for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); } + // Function keys + for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; } + + var keyMap = {}; + + keyMap.basic = { + "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", + "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", + "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", + "Tab": "defaultTab", "Shift-Tab": "indentAuto", + "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", + "Esc": "singleSelection" + }; + // Note that the save and find-related commands aren't defined by + // default. User code or addons can define them. Unknown commands + // are simply ignored. + keyMap.pcDefault = { + "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", + "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", + "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", + "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", + "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", + "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", + "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", + "fallthrough": "basic" + }; + // Very basic readline/emacs-style bindings, which are standard on Mac. + keyMap.emacsy = { + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", + "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", + "Ctrl-T": "transposeChars", "Ctrl-O": "openLine" + }; + keyMap.macDefault = { + "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", + "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", + "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", + "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", + "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", + "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", + "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", + "fallthrough": ["basic", "emacsy"] + }; + keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; + + // KEYMAP DISPATCH + + function normalizeKeyName(name) { + var parts = name.split(/-(?!$)/); + name = parts[parts.length - 1]; + var alt, ctrl, shift, cmd; + for (var i = 0; i < parts.length - 1; i++) { + var mod = parts[i]; + if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; } + else if (/^a(lt)?$/i.test(mod)) { alt = true; } + else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; } + else if (/^s(hift)?$/i.test(mod)) { shift = true; } + else { throw new Error("Unrecognized modifier name: " + mod) } + } + if (alt) { name = "Alt-" + name; } + if (ctrl) { name = "Ctrl-" + name; } + if (cmd) { name = "Cmd-" + name; } + if (shift) { name = "Shift-" + name; } + return name + } + + // This is a kludge to keep keymaps mostly working as raw objects + // (backwards compatibility) while at the same time support features + // like normalization and multi-stroke key bindings. It compiles a + // new normalized keymap, and then updates the old object to reflect + // this. + function normalizeKeyMap(keymap) { + var copy = {}; + for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) { + var value = keymap[keyname]; + if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue } + if (value == "...") { delete keymap[keyname]; continue } + + var keys = map(keyname.split(" "), normalizeKeyName); + for (var i = 0; i < keys.length; i++) { + var val = (void 0), name = (void 0); + if (i == keys.length - 1) { + name = keys.join(" "); + val = value; + } else { + name = keys.slice(0, i + 1).join(" "); + val = "..."; + } + var prev = copy[name]; + if (!prev) { copy[name] = val; } + else if (prev != val) { throw new Error("Inconsistent bindings for " + name) } + } + delete keymap[keyname]; + } } + for (var prop in copy) { keymap[prop] = copy[prop]; } + return keymap + } + + function lookupKey(key, map, handle, context) { + map = getKeyMap(map); + var found = map.call ? map.call(key, context) : map[key]; + if (found === false) { return "nothing" } + if (found === "...") { return "multi" } + if (found != null && handle(found)) { return "handled" } + + if (map.fallthrough) { + if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") + { return lookupKey(key, map.fallthrough, handle, context) } + for (var i = 0; i < map.fallthrough.length; i++) { + var result = lookupKey(key, map.fallthrough[i], handle, context); + if (result) { return result } + } + } + } + + // Modifier key presses don't count as 'real' key presses for the + // purpose of keymap fallthrough. + function isModifierKey(value) { + var name = typeof value == "string" ? value : keyNames[value.keyCode]; + return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod" + } + + function addModifierNames(name, event, noShift) { + var base = name; + if (event.altKey && base != "Alt") { name = "Alt-" + name; } + if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; } + if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Mod") { name = "Cmd-" + name; } + if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; } + return name + } + + // Look up the name of a key as indicated by an event object. + function keyName(event, noShift) { + if (presto && event.keyCode == 34 && event["char"]) { return false } + var name = keyNames[event.keyCode]; + if (name == null || event.altGraphKey) { return false } + // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause, + // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+) + if (event.keyCode == 3 && event.code) { name = event.code; } + return addModifierNames(name, event, noShift) + } + + function getKeyMap(val) { + return typeof val == "string" ? keyMap[val] : val + } + + // Helper for deleting text near the selection(s), used to implement + // backspace, delete, and similar functionality. + function deleteNearSelection(cm, compute) { + var ranges = cm.doc.sel.ranges, kill = []; + // Build up a set of ranges to kill first, merging overlapping + // ranges. + for (var i = 0; i < ranges.length; i++) { + var toKill = compute(ranges[i]); + while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { + var replaced = kill.pop(); + if (cmp(replaced.from, toKill.from) < 0) { + toKill.from = replaced.from; + break + } + } + kill.push(toKill); + } + // Next, remove those actual ranges. + runInOp(cm, function () { + for (var i = kill.length - 1; i >= 0; i--) + { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); } + ensureCursorVisible(cm); + }); + } + + function moveCharLogically(line, ch, dir) { + var target = skipExtendingChars(line.text, ch + dir, dir); + return target < 0 || target > line.text.length ? null : target + } + + function moveLogically(line, start, dir) { + var ch = moveCharLogically(line, start.ch, dir); + return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before") + } + + function endOfLine(visually, cm, lineObj, lineNo, dir) { + if (visually) { + if (cm.doc.direction == "rtl") { dir = -dir; } + var order = getOrder(lineObj, cm.doc.direction); + if (order) { + var part = dir < 0 ? lst(order) : order[0]; + var moveInStorageOrder = (dir < 0) == (part.level == 1); + var sticky = moveInStorageOrder ? "after" : "before"; + var ch; + // With a wrapped rtl chunk (possibly spanning multiple bidi parts), + // it could be that the last bidi part is not on the last visual line, + // since visual lines contain content order-consecutive chunks. + // Thus, in rtl, we are looking for the first (content-order) character + // in the rtl chunk that is on the last line (that is, the same line + // as the last (content-order) character). + if (part.level > 0 || cm.doc.direction == "rtl") { + var prep = prepareMeasureForLine(cm, lineObj); + ch = dir < 0 ? lineObj.text.length - 1 : 0; + var targetTop = measureCharPrepared(cm, prep, ch).top; + ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch); + if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); } + } else { ch = dir < 0 ? part.to : part.from; } + return new Pos(lineNo, ch, sticky) + } + } + return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after") + } + + function moveVisually(cm, line, start, dir) { + var bidi = getOrder(line, cm.doc.direction); + if (!bidi) { return moveLogically(line, start, dir) } + if (start.ch >= line.text.length) { + start.ch = line.text.length; + start.sticky = "before"; + } else if (start.ch <= 0) { + start.ch = 0; + start.sticky = "after"; + } + var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos]; + if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) { + // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines, + // nothing interesting happens. + return moveLogically(line, start, dir) + } + + var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); }; + var prep; + var getWrappedLineExtent = function (ch) { + if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} } + prep = prep || prepareMeasureForLine(cm, line); + return wrappedLineExtentChar(cm, line, prep, ch) + }; + var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch); + + if (cm.doc.direction == "rtl" || part.level == 1) { + var moveInStorageOrder = (part.level == 1) == (dir < 0); + var ch = mv(start, moveInStorageOrder ? 1 : -1); + if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) { + // Case 2: We move within an rtl part or in an rtl editor on the same visual line + var sticky = moveInStorageOrder ? "before" : "after"; + return new Pos(start.line, ch, sticky) + } + } + + // Case 3: Could not move within this bidi part in this visual line, so leave + // the current bidi part + + var searchInVisualLine = function (partPos, dir, wrappedLineExtent) { + var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder + ? new Pos(start.line, mv(ch, 1), "before") + : new Pos(start.line, ch, "after"); }; + + for (; partPos >= 0 && partPos < bidi.length; partPos += dir) { + var part = bidi[partPos]; + var moveInStorageOrder = (dir > 0) == (part.level != 1); + var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1); + if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) } + ch = moveInStorageOrder ? part.from : mv(part.to, -1); + if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) } + } + }; + + // Case 3a: Look for other bidi parts on the same visual line + var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent); + if (res) { return res } + + // Case 3b: Look for other bidi parts on the next visual line + var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1); + if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) { + res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh)); + if (res) { return res } + } + + // Case 4: Nowhere to move + return null + } + + // Commands are parameter-less actions that can be performed on an + // editor, mostly used for keybindings. + var commands = { + selectAll: selectAll, + singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); }, + killLine: function (cm) { return deleteNearSelection(cm, function (range) { + if (range.empty()) { + var len = getLine(cm.doc, range.head.line).text.length; + if (range.head.ch == len && range.head.line < cm.lastLine()) + { return {from: range.head, to: Pos(range.head.line + 1, 0)} } + else + { return {from: range.head, to: Pos(range.head.line, len)} } + } else { + return {from: range.from(), to: range.to()} + } + }); }, + deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({ + from: Pos(range.from().line, 0), + to: clipPos(cm.doc, Pos(range.to().line + 1, 0)) + }); }); }, + delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({ + from: Pos(range.from().line, 0), to: range.from() + }); }); }, + delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { + var top = cm.charCoords(range.head, "div").top + 5; + var leftPos = cm.coordsChar({left: 0, top: top}, "div"); + return {from: leftPos, to: range.from()} + }); }, + delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) { + var top = cm.charCoords(range.head, "div").top + 5; + var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); + return {from: range.from(), to: rightPos } + }); }, + undo: function (cm) { return cm.undo(); }, + redo: function (cm) { return cm.redo(); }, + undoSelection: function (cm) { return cm.undoSelection(); }, + redoSelection: function (cm) { return cm.redoSelection(); }, + goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); }, + goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); }, + goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); }, + {origin: "+move", bias: 1} + ); }, + goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); }, + {origin: "+move", bias: 1} + ); }, + goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); }, + {origin: "+move", bias: -1} + ); }, + goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div") + }, sel_move); }, + goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + return cm.coordsChar({left: 0, top: top}, "div") + }, sel_move); }, + goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + var pos = cm.coordsChar({left: 0, top: top}, "div"); + if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) } + return pos + }, sel_move); }, + goLineUp: function (cm) { return cm.moveV(-1, "line"); }, + goLineDown: function (cm) { return cm.moveV(1, "line"); }, + goPageUp: function (cm) { return cm.moveV(-1, "page"); }, + goPageDown: function (cm) { return cm.moveV(1, "page"); }, + goCharLeft: function (cm) { return cm.moveH(-1, "char"); }, + goCharRight: function (cm) { return cm.moveH(1, "char"); }, + goColumnLeft: function (cm) { return cm.moveH(-1, "column"); }, + goColumnRight: function (cm) { return cm.moveH(1, "column"); }, + goWordLeft: function (cm) { return cm.moveH(-1, "word"); }, + goGroupRight: function (cm) { return cm.moveH(1, "group"); }, + goGroupLeft: function (cm) { return cm.moveH(-1, "group"); }, + goWordRight: function (cm) { return cm.moveH(1, "word"); }, + delCharBefore: function (cm) { return cm.deleteH(-1, "codepoint"); }, + delCharAfter: function (cm) { return cm.deleteH(1, "char"); }, + delWordBefore: function (cm) { return cm.deleteH(-1, "word"); }, + delWordAfter: function (cm) { return cm.deleteH(1, "word"); }, + delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); }, + delGroupAfter: function (cm) { return cm.deleteH(1, "group"); }, + indentAuto: function (cm) { return cm.indentSelection("smart"); }, + indentMore: function (cm) { return cm.indentSelection("add"); }, + indentLess: function (cm) { return cm.indentSelection("subtract"); }, + insertTab: function (cm) { return cm.replaceSelection("\t"); }, + insertSoftTab: function (cm) { + var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; + for (var i = 0; i < ranges.length; i++) { + var pos = ranges[i].from(); + var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); + spaces.push(spaceStr(tabSize - col % tabSize)); + } + cm.replaceSelections(spaces); + }, + defaultTab: function (cm) { + if (cm.somethingSelected()) { cm.indentSelection("add"); } + else { cm.execCommand("insertTab"); } + }, + // Swap the two chars left and right of each selection's head. + // Move cursor behind the two swapped characters afterwards. + // + // Doesn't consider line feeds a character. + // Doesn't scan more than one line above to find a character. + // Doesn't do anything on an empty line. + // Doesn't do anything with non-empty selections. + transposeChars: function (cm) { return runInOp(cm, function () { + var ranges = cm.listSelections(), newSel = []; + for (var i = 0; i < ranges.length; i++) { + if (!ranges[i].empty()) { continue } + var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; + if (line) { + if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); } + if (cur.ch > 0) { + cur = new Pos(cur.line, cur.ch + 1); + cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), + Pos(cur.line, cur.ch - 2), cur, "+transpose"); + } else if (cur.line > cm.doc.first) { + var prev = getLine(cm.doc, cur.line - 1).text; + if (prev) { + cur = new Pos(cur.line, 1); + cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + + prev.charAt(prev.length - 1), + Pos(cur.line - 1, prev.length - 1), cur, "+transpose"); + } + } + } + newSel.push(new Range(cur, cur)); + } + cm.setSelections(newSel); + }); }, + newlineAndIndent: function (cm) { return runInOp(cm, function () { + var sels = cm.listSelections(); + for (var i = sels.length - 1; i >= 0; i--) + { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); } + sels = cm.listSelections(); + for (var i$1 = 0; i$1 < sels.length; i$1++) + { cm.indentLine(sels[i$1].from().line, null, true); } + ensureCursorVisible(cm); + }); }, + openLine: function (cm) { return cm.replaceSelection("\n", "start"); }, + toggleOverwrite: function (cm) { return cm.toggleOverwrite(); } + }; + + + function lineStart(cm, lineN) { + var line = getLine(cm.doc, lineN); + var visual = visualLine(line); + if (visual != line) { lineN = lineNo(visual); } + return endOfLine(true, cm, visual, lineN, 1) + } + function lineEnd(cm, lineN) { + var line = getLine(cm.doc, lineN); + var visual = visualLineEnd(line); + if (visual != line) { lineN = lineNo(visual); } + return endOfLine(true, cm, line, lineN, -1) + } + function lineStartSmart(cm, pos) { + var start = lineStart(cm, pos.line); + var line = getLine(cm.doc, start.line); + var order = getOrder(line, cm.doc.direction); + if (!order || order[0].level == 0) { + var firstNonWS = Math.max(start.ch, line.text.search(/\S/)); + var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; + return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky) + } + return start + } + + // Run a handler that was bound to a key. + function doHandleBinding(cm, bound, dropShift) { + if (typeof bound == "string") { + bound = commands[bound]; + if (!bound) { return false } + } + // Ensure previous input has been read, so that the handler sees a + // consistent view of the document + cm.display.input.ensurePolled(); + var prevShift = cm.display.shift, done = false; + try { + if (cm.isReadOnly()) { cm.state.suppressEdits = true; } + if (dropShift) { cm.display.shift = false; } + done = bound(cm) != Pass; + } finally { + cm.display.shift = prevShift; + cm.state.suppressEdits = false; + } + return done + } + + function lookupKeyForEditor(cm, name, handle) { + for (var i = 0; i < cm.state.keyMaps.length; i++) { + var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); + if (result) { return result } + } + return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) + || lookupKey(name, cm.options.keyMap, handle, cm) + } + + // Note that, despite the name, this function is also used to check + // for bound mouse clicks. + + var stopSeq = new Delayed; + + function dispatchKey(cm, name, e, handle) { + var seq = cm.state.keySeq; + if (seq) { + if (isModifierKey(name)) { return "handled" } + if (/\'$/.test(name)) + { cm.state.keySeq = null; } + else + { stopSeq.set(50, function () { + if (cm.state.keySeq == seq) { + cm.state.keySeq = null; + cm.display.input.reset(); + } + }); } + if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true } + } + return dispatchKeyInner(cm, name, e, handle) + } + + function dispatchKeyInner(cm, name, e, handle) { + var result = lookupKeyForEditor(cm, name, handle); + + if (result == "multi") + { cm.state.keySeq = name; } + if (result == "handled") + { signalLater(cm, "keyHandled", cm, name, e); } + + if (result == "handled" || result == "multi") { + e_preventDefault(e); + restartBlink(cm); + } + + return !!result + } + + // Handle a key from the keydown event. + function handleKeyBinding(cm, e) { + var name = keyName(e, true); + if (!name) { return false } + + if (e.shiftKey && !cm.state.keySeq) { + // First try to resolve full name (including 'Shift-'). Failing + // that, see if there is a cursor-motion command (starting with + // 'go') bound to the keyname without 'Shift-'. + return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); }) + || dispatchKey(cm, name, e, function (b) { + if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) + { return doHandleBinding(cm, b) } + }) + } else { + return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); }) + } + } + + // Handle a key from the keypress event + function handleCharBinding(cm, e, ch) { + return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); }) + } + + var lastStoppedKey = null; + function onKeyDown(e) { + var cm = this; + if (e.target && e.target != cm.display.input.getField()) { return } + cm.curOp.focus = activeElt(doc(cm)); + if (signalDOMEvent(cm, e)) { return } + // IE does strange things with escape. + if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; } + var code = e.keyCode; + cm.display.shift = code == 16 || e.shiftKey; + var handled = handleKeyBinding(cm, e); + if (presto) { + lastStoppedKey = handled ? code : null; + // Opera has no cut event... we try to at least catch the key combo + if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) + { cm.replaceSelection("", null, "cut"); } + } + if (gecko && !mac && !handled && code == 46 && e.shiftKey && !e.ctrlKey && document.execCommand) + { document.execCommand("cut"); } + + // Turn mouse into crosshair when Alt is held on Mac. + if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) + { showCrossHair(cm); } + } + + function showCrossHair(cm) { + var lineDiv = cm.display.lineDiv; + addClass(lineDiv, "CodeMirror-crosshair"); + + function up(e) { + if (e.keyCode == 18 || !e.altKey) { + rmClass(lineDiv, "CodeMirror-crosshair"); + off(document, "keyup", up); + off(document, "mouseover", up); + } + } + on(document, "keyup", up); + on(document, "mouseover", up); + } + + function onKeyUp(e) { + if (e.keyCode == 16) { this.doc.sel.shift = false; } + signalDOMEvent(this, e); + } + + function onKeyPress(e) { + var cm = this; + if (e.target && e.target != cm.display.input.getField()) { return } + if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return } + var keyCode = e.keyCode, charCode = e.charCode; + if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return} + if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return } + var ch = String.fromCharCode(charCode == null ? keyCode : charCode); + // Some browsers fire keypress events for backspace + if (ch == "\x08") { return } + if (handleCharBinding(cm, e, ch)) { return } + cm.display.input.onKeyPress(e); + } + + var DOUBLECLICK_DELAY = 400; + + var PastClick = function(time, pos, button) { + this.time = time; + this.pos = pos; + this.button = button; + }; + + PastClick.prototype.compare = function (time, pos, button) { + return this.time + DOUBLECLICK_DELAY > time && + cmp(pos, this.pos) == 0 && button == this.button + }; + + var lastClick, lastDoubleClick; + function clickRepeat(pos, button) { + var now = +new Date; + if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) { + lastClick = lastDoubleClick = null; + return "triple" + } else if (lastClick && lastClick.compare(now, pos, button)) { + lastDoubleClick = new PastClick(now, pos, button); + lastClick = null; + return "double" + } else { + lastClick = new PastClick(now, pos, button); + lastDoubleClick = null; + return "single" + } + } + + // A mouse down can be a single click, double click, triple click, + // start of selection drag, start of text drag, new cursor + // (ctrl-click), rectangle drag (alt-drag), or xwin + // middle-click-paste. Or it might be a click on something we should + // not interfere with, such as a scrollbar or widget. + function onMouseDown(e) { + var cm = this, display = cm.display; + if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return } + display.input.ensurePolled(); + display.shift = e.shiftKey; + + if (eventInWidget(display, e)) { + if (!webkit) { + // Briefly turn off draggability, to allow widgets to do + // normal dragging things. + display.scroller.draggable = false; + setTimeout(function () { return display.scroller.draggable = true; }, 100); + } + return + } + if (clickInGutter(cm, e)) { return } + var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single"; + win(cm).focus(); + + // #3261: make sure, that we're not starting a second selection + if (button == 1 && cm.state.selectingText) + { cm.state.selectingText(e); } + + if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return } + + if (button == 1) { + if (pos) { leftButtonDown(cm, pos, repeat, e); } + else if (e_target(e) == display.scroller) { e_preventDefault(e); } + } else if (button == 2) { + if (pos) { extendSelection(cm.doc, pos); } + setTimeout(function () { return display.input.focus(); }, 20); + } else if (button == 3) { + if (captureRightClick) { cm.display.input.onContextMenu(e); } + else { delayBlurEvent(cm); } + } + } + + function handleMappedButton(cm, button, pos, repeat, event) { + var name = "Click"; + if (repeat == "double") { name = "Double" + name; } + else if (repeat == "triple") { name = "Triple" + name; } + name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name; + + return dispatchKey(cm, addModifierNames(name, event), event, function (bound) { + if (typeof bound == "string") { bound = commands[bound]; } + if (!bound) { return false } + var done = false; + try { + if (cm.isReadOnly()) { cm.state.suppressEdits = true; } + done = bound(cm, pos) != Pass; + } finally { + cm.state.suppressEdits = false; + } + return done + }) + } + + function configureMouse(cm, repeat, event) { + var option = cm.getOption("configureMouse"); + var value = option ? option(cm, repeat, event) : {}; + if (value.unit == null) { + var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey; + value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line"; + } + if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; } + if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; } + if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); } + return value + } + + function leftButtonDown(cm, pos, repeat, event) { + if (ie) { setTimeout(bind(ensureFocus, cm), 0); } + else { cm.curOp.focus = activeElt(doc(cm)); } + + var behavior = configureMouse(cm, repeat, event); + + var sel = cm.doc.sel, contained; + if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && + repeat == "single" && (contained = sel.contains(pos)) > -1 && + (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) && + (cmp(contained.to(), pos) > 0 || pos.xRel < 0)) + { leftButtonStartDrag(cm, event, pos, behavior); } + else + { leftButtonSelect(cm, event, pos, behavior); } + } + + // Start a text drag. When it ends, see if any dragging actually + // happen, and treat as a click if it didn't. + function leftButtonStartDrag(cm, event, pos, behavior) { + var display = cm.display, moved = false; + var dragEnd = operation(cm, function (e) { + if (webkit) { display.scroller.draggable = false; } + cm.state.draggingText = false; + if (cm.state.delayingBlurEvent) { + if (cm.hasFocus()) { cm.state.delayingBlurEvent = false; } + else { delayBlurEvent(cm); } + } + off(display.wrapper.ownerDocument, "mouseup", dragEnd); + off(display.wrapper.ownerDocument, "mousemove", mouseMove); + off(display.scroller, "dragstart", dragStart); + off(display.scroller, "drop", dragEnd); + if (!moved) { + e_preventDefault(e); + if (!behavior.addNew) + { extendSelection(cm.doc, pos, null, null, behavior.extend); } + // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) + if ((webkit && !safari) || ie && ie_version == 9) + { setTimeout(function () {display.wrapper.ownerDocument.body.focus({preventScroll: true}); display.input.focus();}, 20); } + else + { display.input.focus(); } + } + }); + var mouseMove = function(e2) { + moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10; + }; + var dragStart = function () { return moved = true; }; + // Let the drag handler handle this. + if (webkit) { display.scroller.draggable = true; } + cm.state.draggingText = dragEnd; + dragEnd.copy = !behavior.moveOnDrag; + on(display.wrapper.ownerDocument, "mouseup", dragEnd); + on(display.wrapper.ownerDocument, "mousemove", mouseMove); + on(display.scroller, "dragstart", dragStart); + on(display.scroller, "drop", dragEnd); + + cm.state.delayingBlurEvent = true; + setTimeout(function () { return display.input.focus(); }, 20); + // IE's approach to draggable + if (display.scroller.dragDrop) { display.scroller.dragDrop(); } + } + + function rangeForUnit(cm, pos, unit) { + if (unit == "char") { return new Range(pos, pos) } + if (unit == "word") { return cm.findWordAt(pos) } + if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) } + var result = unit(cm, pos); + return new Range(result.from, result.to) + } + + // Normal selection, as opposed to text dragging. + function leftButtonSelect(cm, event, start, behavior) { + if (ie) { delayBlurEvent(cm); } + var display = cm.display, doc$1 = cm.doc; + e_preventDefault(event); + + var ourRange, ourIndex, startSel = doc$1.sel, ranges = startSel.ranges; + if (behavior.addNew && !behavior.extend) { + ourIndex = doc$1.sel.contains(start); + if (ourIndex > -1) + { ourRange = ranges[ourIndex]; } + else + { ourRange = new Range(start, start); } + } else { + ourRange = doc$1.sel.primary(); + ourIndex = doc$1.sel.primIndex; + } + + if (behavior.unit == "rectangle") { + if (!behavior.addNew) { ourRange = new Range(start, start); } + start = posFromMouse(cm, event, true, true); + ourIndex = -1; + } else { + var range = rangeForUnit(cm, start, behavior.unit); + if (behavior.extend) + { ourRange = extendRange(ourRange, range.anchor, range.head, behavior.extend); } + else + { ourRange = range; } + } + + if (!behavior.addNew) { + ourIndex = 0; + setSelection(doc$1, new Selection([ourRange], 0), sel_mouse); + startSel = doc$1.sel; + } else if (ourIndex == -1) { + ourIndex = ranges.length; + setSelection(doc$1, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex), + {scroll: false, origin: "*mouse"}); + } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) { + setSelection(doc$1, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), + {scroll: false, origin: "*mouse"}); + startSel = doc$1.sel; + } else { + replaceOneSelection(doc$1, ourIndex, ourRange, sel_mouse); + } + + var lastPos = start; + function extendTo(pos) { + if (cmp(lastPos, pos) == 0) { return } + lastPos = pos; + + if (behavior.unit == "rectangle") { + var ranges = [], tabSize = cm.options.tabSize; + var startCol = countColumn(getLine(doc$1, start.line).text, start.ch, tabSize); + var posCol = countColumn(getLine(doc$1, pos.line).text, pos.ch, tabSize); + var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); + for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); + line <= end; line++) { + var text = getLine(doc$1, line).text, leftPos = findColumn(text, left, tabSize); + if (left == right) + { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); } + else if (text.length > leftPos) + { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); } + } + if (!ranges.length) { ranges.push(new Range(start, start)); } + setSelection(doc$1, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), + {origin: "*mouse", scroll: false}); + cm.scrollIntoView(pos); + } else { + var oldRange = ourRange; + var range = rangeForUnit(cm, pos, behavior.unit); + var anchor = oldRange.anchor, head; + if (cmp(range.anchor, anchor) > 0) { + head = range.head; + anchor = minPos(oldRange.from(), range.anchor); + } else { + head = range.anchor; + anchor = maxPos(oldRange.to(), range.head); + } + var ranges$1 = startSel.ranges.slice(0); + ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc$1, anchor), head)); + setSelection(doc$1, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse); + } + } + + var editorSize = display.wrapper.getBoundingClientRect(); + // Used to ensure timeout re-tries don't fire when another extend + // happened in the meantime (clearTimeout isn't reliable -- at + // least on Chrome, the timeouts still happen even when cleared, + // if the clear happens after their scheduled firing time). + var counter = 0; + + function extend(e) { + var curCount = ++counter; + var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle"); + if (!cur) { return } + if (cmp(cur, lastPos) != 0) { + cm.curOp.focus = activeElt(doc(cm)); + extendTo(cur); + var visible = visibleLines(display, doc$1); + if (cur.line >= visible.to || cur.line < visible.from) + { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); } + } else { + var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; + if (outside) { setTimeout(operation(cm, function () { + if (counter != curCount) { return } + display.scroller.scrollTop += outside; + extend(e); + }), 50); } + } + } + + function done(e) { + cm.state.selectingText = false; + counter = Infinity; + // If e is null or undefined we interpret this as someone trying + // to explicitly cancel the selection rather than the user + // letting go of the mouse button. + if (e) { + e_preventDefault(e); + display.input.focus(); + } + off(display.wrapper.ownerDocument, "mousemove", move); + off(display.wrapper.ownerDocument, "mouseup", up); + doc$1.history.lastSelOrigin = null; + } + + var move = operation(cm, function (e) { + if (e.buttons === 0 || !e_button(e)) { done(e); } + else { extend(e); } + }); + var up = operation(cm, done); + cm.state.selectingText = up; + on(display.wrapper.ownerDocument, "mousemove", move); + on(display.wrapper.ownerDocument, "mouseup", up); + } + + // Used when mouse-selecting to adjust the anchor to the proper side + // of a bidi jump depending on the visual position of the head. + function bidiSimplify(cm, range) { + var anchor = range.anchor; + var head = range.head; + var anchorLine = getLine(cm.doc, anchor.line); + if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range } + var order = getOrder(anchorLine); + if (!order) { return range } + var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index]; + if (part.from != anchor.ch && part.to != anchor.ch) { return range } + var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1); + if (boundary == 0 || boundary == order.length) { return range } + + // Compute the relative visual position of the head compared to the + // anchor (<0 is to the left, >0 to the right) + var leftSide; + if (head.line != anchor.line) { + leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0; + } else { + var headIndex = getBidiPartAt(order, head.ch, head.sticky); + var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1); + if (headIndex == boundary - 1 || headIndex == boundary) + { leftSide = dir < 0; } + else + { leftSide = dir > 0; } + } + + var usePart = order[boundary + (leftSide ? -1 : 0)]; + var from = leftSide == (usePart.level == 1); + var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before"; + return anchor.ch == ch && anchor.sticky == sticky ? range : new Range(new Pos(anchor.line, ch, sticky), head) + } + + + // Determines whether an event happened in the gutter, and fires the + // handlers for the corresponding event. + function gutterEvent(cm, e, type, prevent) { + var mX, mY; + if (e.touches) { + mX = e.touches[0].clientX; + mY = e.touches[0].clientY; + } else { + try { mX = e.clientX; mY = e.clientY; } + catch(e$1) { return false } + } + if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false } + if (prevent) { e_preventDefault(e); } + + var display = cm.display; + var lineBox = display.lineDiv.getBoundingClientRect(); + + if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) } + mY -= lineBox.top - display.viewOffset; + + for (var i = 0; i < cm.display.gutterSpecs.length; ++i) { + var g = display.gutters.childNodes[i]; + if (g && g.getBoundingClientRect().right >= mX) { + var line = lineAtHeight(cm.doc, mY); + var gutter = cm.display.gutterSpecs[i]; + signal(cm, type, cm, line, gutter.className, e); + return e_defaultPrevented(e) + } + } + } + + function clickInGutter(cm, e) { + return gutterEvent(cm, e, "gutterClick", true) + } + + // CONTEXT MENU HANDLING + + // To make the context menu work, we need to briefly unhide the + // textarea (making it as unobtrusive as possible) to let the + // right-click take effect on it. + function onContextMenu(cm, e) { + if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return } + if (signalDOMEvent(cm, e, "contextmenu")) { return } + if (!captureRightClick) { cm.display.input.onContextMenu(e); } + } + + function contextMenuInGutter(cm, e) { + if (!hasHandler(cm, "gutterContextMenu")) { return false } + return gutterEvent(cm, e, "gutterContextMenu", false) + } + + function themeChanged(cm) { + cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); + clearCaches(cm); + } + + var Init = {toString: function(){return "CodeMirror.Init"}}; + + var defaults = {}; + var optionHandlers = {}; + + function defineOptions(CodeMirror) { + var optionHandlers = CodeMirror.optionHandlers; + + function option(name, deflt, handle, notOnInit) { + CodeMirror.defaults[name] = deflt; + if (handle) { optionHandlers[name] = + notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; } + } + + CodeMirror.defineOption = option; + + // Passed to option handlers when there is no old value. + CodeMirror.Init = Init; + + // These two are, on init, called from the constructor because they + // have to be initialized before the editor can start at all. + option("value", "", function (cm, val) { return cm.setValue(val); }, true); + option("mode", null, function (cm, val) { + cm.doc.modeOption = val; + loadMode(cm); + }, true); + + option("indentUnit", 2, loadMode, true); + option("indentWithTabs", false); + option("smartIndent", true); + option("tabSize", 4, function (cm) { + resetModeState(cm); + clearCaches(cm); + regChange(cm); + }, true); + + option("lineSeparator", null, function (cm, val) { + cm.doc.lineSep = val; + if (!val) { return } + var newBreaks = [], lineNo = cm.doc.first; + cm.doc.iter(function (line) { + for (var pos = 0;;) { + var found = line.text.indexOf(val, pos); + if (found == -1) { break } + pos = found + val.length; + newBreaks.push(Pos(lineNo, found)); + } + lineNo++; + }); + for (var i = newBreaks.length - 1; i >= 0; i--) + { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); } + }); + option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b\u200e\u200f\u2028\u2029\u202d\u202e\u2066\u2067\u2069\ufeff\ufff9-\ufffc]/g, function (cm, val, old) { + cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); + if (old != Init) { cm.refresh(); } + }); + option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true); + option("electricChars", true); + option("inputStyle", mobile ? "contenteditable" : "textarea", function () { + throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME + }, true); + option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true); + option("autocorrect", false, function (cm, val) { return cm.getInputField().autocorrect = val; }, true); + option("autocapitalize", false, function (cm, val) { return cm.getInputField().autocapitalize = val; }, true); + option("rtlMoveVisually", !windows); + option("wholeLineUpdateBefore", true); + + option("theme", "default", function (cm) { + themeChanged(cm); + updateGutters(cm); + }, true); + option("keyMap", "default", function (cm, val, old) { + var next = getKeyMap(val); + var prev = old != Init && getKeyMap(old); + if (prev && prev.detach) { prev.detach(cm, next); } + if (next.attach) { next.attach(cm, prev || null); } + }); + option("extraKeys", null); + option("configureMouse", null); + + option("lineWrapping", false, wrappingChanged, true); + option("gutters", [], function (cm, val) { + cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers); + updateGutters(cm); + }, true); + option("fixedGutter", true, function (cm, val) { + cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; + cm.refresh(); + }, true); + option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true); + option("scrollbarStyle", "native", function (cm) { + initScrollbars(cm); + updateScrollbars(cm); + cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); + cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); + }, true); + option("lineNumbers", false, function (cm, val) { + cm.display.gutterSpecs = getGutters(cm.options.gutters, val); + updateGutters(cm); + }, true); + option("firstLineNumber", 1, updateGutters, true); + option("lineNumberFormatter", function (integer) { return integer; }, updateGutters, true); + option("showCursorWhenSelecting", false, updateSelection, true); + + option("resetSelectionOnContextMenu", true); + option("lineWiseCopyCut", true); + option("pasteLinesPerSelection", true); + option("selectionsMayTouch", false); + + option("readOnly", false, function (cm, val) { + if (val == "nocursor") { + onBlur(cm); + cm.display.input.blur(); + } + cm.display.input.readOnlyChanged(val); + }); + + option("screenReaderLabel", null, function (cm, val) { + val = (val === '') ? null : val; + cm.display.input.screenReaderLabelChanged(val); + }); + + option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true); + option("dragDrop", true, dragDropChanged); + option("allowDropFileTypes", null); + + option("cursorBlinkRate", 530); + option("cursorScrollMargin", 0); + option("cursorHeight", 1, updateSelection, true); + option("singleCursorHeightPerLine", true, updateSelection, true); + option("workTime", 100); + option("workDelay", 100); + option("flattenSpans", true, resetModeState, true); + option("addModeClass", false, resetModeState, true); + option("pollInterval", 100); + option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; }); + option("historyEventDelay", 1250); + option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true); + option("maxHighlightLength", 10000, resetModeState, true); + option("moveInputWithCursor", true, function (cm, val) { + if (!val) { cm.display.input.resetPosition(); } + }); + + option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; }); + option("autofocus", null); + option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true); + option("phrases", null); + } + + function dragDropChanged(cm, value, old) { + var wasOn = old && old != Init; + if (!value != !wasOn) { + var funcs = cm.display.dragFunctions; + var toggle = value ? on : off; + toggle(cm.display.scroller, "dragstart", funcs.start); + toggle(cm.display.scroller, "dragenter", funcs.enter); + toggle(cm.display.scroller, "dragover", funcs.over); + toggle(cm.display.scroller, "dragleave", funcs.leave); + toggle(cm.display.scroller, "drop", funcs.drop); + } + } + + function wrappingChanged(cm) { + if (cm.options.lineWrapping) { + addClass(cm.display.wrapper, "CodeMirror-wrap"); + cm.display.sizer.style.minWidth = ""; + cm.display.sizerWidth = null; + } else { + rmClass(cm.display.wrapper, "CodeMirror-wrap"); + findMaxLine(cm); + } + estimateLineHeights(cm); + regChange(cm); + clearCaches(cm); + setTimeout(function () { return updateScrollbars(cm); }, 100); + } + + // A CodeMirror instance represents an editor. This is the object + // that user code is usually dealing with. + + function CodeMirror(place, options) { + var this$1 = this; + + if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) } + + this.options = options = options ? copyObj(options) : {}; + // Determine effective options based on given values and defaults. + copyObj(defaults, options, false); + + var doc = options.value; + if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); } + else if (options.mode) { doc.modeOption = options.mode; } + this.doc = doc; + + var input = new CodeMirror.inputStyles[options.inputStyle](this); + var display = this.display = new Display(place, doc, input, options); + display.wrapper.CodeMirror = this; + themeChanged(this); + if (options.lineWrapping) + { this.display.wrapper.className += " CodeMirror-wrap"; } + initScrollbars(this); + + this.state = { + keyMaps: [], // stores maps added by addKeyMap + overlays: [], // highlighting overlays, as added by addOverlay + modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info + overwrite: false, + delayingBlurEvent: false, + focused: false, + suppressEdits: false, // used to disable editing during key handlers when in readOnly mode + pasteIncoming: -1, cutIncoming: -1, // help recognize paste/cut edits in input.poll + selectingText: false, + draggingText: false, + highlight: new Delayed(), // stores highlight worker timeout + keySeq: null, // Unfinished key sequence + specialChars: null + }; + + if (options.autofocus && !mobile) { display.input.focus(); } + + // Override magic textarea content restore that IE sometimes does + // on our hidden textarea on reload + if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); } + + registerEventHandlers(this); + ensureGlobalHandlers(); + + startOperation(this); + this.curOp.forceUpdate = true; + attachDoc(this, doc); + + if ((options.autofocus && !mobile) || this.hasFocus()) + { setTimeout(function () { + if (this$1.hasFocus() && !this$1.state.focused) { onFocus(this$1); } + }, 20); } + else + { onBlur(this); } + + for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt)) + { optionHandlers[opt](this, options[opt], Init); } } + maybeUpdateLineNumberWidth(this); + if (options.finishInit) { options.finishInit(this); } + for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this); } + endOperation(this); + // Suppress optimizelegibility in Webkit, since it breaks text + // measuring on line wrapping boundaries. + if (webkit && options.lineWrapping && + getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") + { display.lineDiv.style.textRendering = "auto"; } + } + + // The default configuration options. + CodeMirror.defaults = defaults; + // Functions to run when options are changed. + CodeMirror.optionHandlers = optionHandlers; + + // Attach the necessary event handlers when initializing the editor + function registerEventHandlers(cm) { + var d = cm.display; + on(d.scroller, "mousedown", operation(cm, onMouseDown)); + // Older IE's will not fire a second mousedown for a double click + if (ie && ie_version < 11) + { on(d.scroller, "dblclick", operation(cm, function (e) { + if (signalDOMEvent(cm, e)) { return } + var pos = posFromMouse(cm, e); + if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return } + e_preventDefault(e); + var word = cm.findWordAt(pos); + extendSelection(cm.doc, word.anchor, word.head); + })); } + else + { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); } + // Some browsers fire contextmenu *after* opening the menu, at + // which point we can't mess with it anymore. Context menu is + // handled in onMouseDown for these browsers. + on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); + on(d.input.getField(), "contextmenu", function (e) { + if (!d.scroller.contains(e.target)) { onContextMenu(cm, e); } + }); + + // Used to suppress mouse event handling when a touch happens + var touchFinished, prevTouch = {end: 0}; + function finishTouch() { + if (d.activeTouch) { + touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000); + prevTouch = d.activeTouch; + prevTouch.end = +new Date; + } + } + function isMouseLikeTouchEvent(e) { + if (e.touches.length != 1) { return false } + var touch = e.touches[0]; + return touch.radiusX <= 1 && touch.radiusY <= 1 + } + function farAway(touch, other) { + if (other.left == null) { return true } + var dx = other.left - touch.left, dy = other.top - touch.top; + return dx * dx + dy * dy > 20 * 20 + } + on(d.scroller, "touchstart", function (e) { + if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) { + d.input.ensurePolled(); + clearTimeout(touchFinished); + var now = +new Date; + d.activeTouch = {start: now, moved: false, + prev: now - prevTouch.end <= 300 ? prevTouch : null}; + if (e.touches.length == 1) { + d.activeTouch.left = e.touches[0].pageX; + d.activeTouch.top = e.touches[0].pageY; + } + } + }); + on(d.scroller, "touchmove", function () { + if (d.activeTouch) { d.activeTouch.moved = true; } + }); + on(d.scroller, "touchend", function (e) { + var touch = d.activeTouch; + if (touch && !eventInWidget(d, e) && touch.left != null && + !touch.moved && new Date - touch.start < 300) { + var pos = cm.coordsChar(d.activeTouch, "page"), range; + if (!touch.prev || farAway(touch, touch.prev)) // Single tap + { range = new Range(pos, pos); } + else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap + { range = cm.findWordAt(pos); } + else // Triple tap + { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); } + cm.setSelection(range.anchor, range.head); + cm.focus(); + e_preventDefault(e); + } + finishTouch(); + }); + on(d.scroller, "touchcancel", finishTouch); + + // Sync scrolling between fake scrollbars and real scrollable + // area, ensure viewport is updated when scrolling. + on(d.scroller, "scroll", function () { + if (d.scroller.clientHeight) { + updateScrollTop(cm, d.scroller.scrollTop); + setScrollLeft(cm, d.scroller.scrollLeft, true); + signal(cm, "scroll", cm); + } + }); + + // Listen to wheel events in order to try and update the viewport on time. + on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); }); + on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); }); + + // Prevent wrapper from ever scrolling + on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); + + d.dragFunctions = { + enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }}, + over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, + start: function (e) { return onDragStart(cm, e); }, + drop: operation(cm, onDrop), + leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} + }; + + var inp = d.input.getField(); + on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); }); + on(inp, "keydown", operation(cm, onKeyDown)); + on(inp, "keypress", operation(cm, onKeyPress)); + on(inp, "focus", function (e) { return onFocus(cm, e); }); + on(inp, "blur", function (e) { return onBlur(cm, e); }); + } + + var initHooks = []; + CodeMirror.defineInitHook = function (f) { return initHooks.push(f); }; + + // Indent the given line. The how parameter can be "smart", + // "add"/null, "subtract", or "prev". When aggressive is false + // (typically set to true for forced single-line indents), empty + // lines are not indented, and places where the mode returns Pass + // are left alone. + function indentLine(cm, n, how, aggressive) { + var doc = cm.doc, state; + if (how == null) { how = "add"; } + if (how == "smart") { + // Fall back to "prev" when the mode doesn't have an indentation + // method. + if (!doc.mode.indent) { how = "prev"; } + else { state = getContextBefore(cm, n).state; } + } + + var tabSize = cm.options.tabSize; + var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); + if (line.stateAfter) { line.stateAfter = null; } + var curSpaceString = line.text.match(/^\s*/)[0], indentation; + if (!aggressive && !/\S/.test(line.text)) { + indentation = 0; + how = "not"; + } else if (how == "smart") { + indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); + if (indentation == Pass || indentation > 150) { + if (!aggressive) { return } + how = "prev"; + } + } + if (how == "prev") { + if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); } + else { indentation = 0; } + } else if (how == "add") { + indentation = curSpace + cm.options.indentUnit; + } else if (how == "subtract") { + indentation = curSpace - cm.options.indentUnit; + } else if (typeof how == "number") { + indentation = curSpace + how; + } + indentation = Math.max(0, indentation); + + var indentString = "", pos = 0; + if (cm.options.indentWithTabs) + { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} } + if (pos < indentation) { indentString += spaceStr(indentation - pos); } + + if (indentString != curSpaceString) { + replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); + line.stateAfter = null; + return true + } else { + // Ensure that, if the cursor was in the whitespace at the start + // of the line, it is moved to the end of that space. + for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) { + var range = doc.sel.ranges[i$1]; + if (range.head.line == n && range.head.ch < curSpaceString.length) { + var pos$1 = Pos(n, curSpaceString.length); + replaceOneSelection(doc, i$1, new Range(pos$1, pos$1)); + break + } + } + } + } + + // This will be set to a {lineWise: bool, text: [string]} object, so + // that, when pasting, we know what kind of selections the copied + // text was made out of. + var lastCopied = null; + + function setLastCopied(newLastCopied) { + lastCopied = newLastCopied; + } + + function applyTextInput(cm, inserted, deleted, sel, origin) { + var doc = cm.doc; + cm.display.shift = false; + if (!sel) { sel = doc.sel; } + + var recent = +new Date - 200; + var paste = origin == "paste" || cm.state.pasteIncoming > recent; + var textLines = splitLinesAuto(inserted), multiPaste = null; + // When pasting N lines into N selections, insert one line per selection + if (paste && sel.ranges.length > 1) { + if (lastCopied && lastCopied.text.join("\n") == inserted) { + if (sel.ranges.length % lastCopied.text.length == 0) { + multiPaste = []; + for (var i = 0; i < lastCopied.text.length; i++) + { multiPaste.push(doc.splitLines(lastCopied.text[i])); } + } + } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) { + multiPaste = map(textLines, function (l) { return [l]; }); + } + } + + var updateInput = cm.curOp.updateInput; + // Normal behavior is to insert the new text into every selection + for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) { + var range = sel.ranges[i$1]; + var from = range.from(), to = range.to(); + if (range.empty()) { + if (deleted && deleted > 0) // Handle deletion + { from = Pos(from.line, from.ch - deleted); } + else if (cm.state.overwrite && !paste) // Handle overwrite + { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); } + else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == textLines.join("\n")) + { from = to = Pos(from.line, 0); } + } + var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines, + origin: origin || (paste ? "paste" : cm.state.cutIncoming > recent ? "cut" : "+input")}; + makeChange(cm.doc, changeEvent); + signalLater(cm, "inputRead", cm, changeEvent); + } + if (inserted && !paste) + { triggerElectric(cm, inserted); } + + ensureCursorVisible(cm); + if (cm.curOp.updateInput < 2) { cm.curOp.updateInput = updateInput; } + cm.curOp.typing = true; + cm.state.pasteIncoming = cm.state.cutIncoming = -1; + } + + function handlePaste(e, cm) { + var pasted = e.clipboardData && e.clipboardData.getData("Text"); + if (pasted) { + e.preventDefault(); + if (!cm.isReadOnly() && !cm.options.disableInput && cm.hasFocus()) + { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); } + return true + } + } + + function triggerElectric(cm, inserted) { + // When an 'electric' character is inserted, immediately trigger a reindent + if (!cm.options.electricChars || !cm.options.smartIndent) { return } + var sel = cm.doc.sel; + + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range = sel.ranges[i]; + if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) { continue } + var mode = cm.getModeAt(range.head); + var indented = false; + if (mode.electricChars) { + for (var j = 0; j < mode.electricChars.length; j++) + { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { + indented = indentLine(cm, range.head.line, "smart"); + break + } } + } else if (mode.electricInput) { + if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) + { indented = indentLine(cm, range.head.line, "smart"); } + } + if (indented) { signalLater(cm, "electricInput", cm, range.head.line); } + } + } + + function copyableRanges(cm) { + var text = [], ranges = []; + for (var i = 0; i < cm.doc.sel.ranges.length; i++) { + var line = cm.doc.sel.ranges[i].head.line; + var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; + ranges.push(lineRange); + text.push(cm.getRange(lineRange.anchor, lineRange.head)); + } + return {text: text, ranges: ranges} + } + + function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) { + field.setAttribute("autocorrect", autocorrect ? "on" : "off"); + field.setAttribute("autocapitalize", autocapitalize ? "on" : "off"); + field.setAttribute("spellcheck", !!spellcheck); + } + + function hiddenTextarea() { + var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; min-height: 1em; outline: none"); + var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + // The textarea is kept positioned near the cursor to prevent the + // fact that it'll be scrolled into view on input from scrolling + // our fake cursor out of view. On webkit, when wrap=off, paste is + // very slow. So make the area wide instead. + if (webkit) { te.style.width = "1000px"; } + else { te.setAttribute("wrap", "off"); } + // If border: 0; -- iOS fails to open keyboard (issue #1287) + if (ios) { te.style.border = "1px solid black"; } + return div + } + + // The publicly visible API. Note that methodOp(f) means + // 'wrap f in an operation, performed on its `this` parameter'. + + // This is not the complete set of editor methods. Most of the + // methods defined on the Doc type are also injected into + // CodeMirror.prototype, for backwards compatibility and + // convenience. + + function addEditorMethods(CodeMirror) { + var optionHandlers = CodeMirror.optionHandlers; + + var helpers = CodeMirror.helpers = {}; + + CodeMirror.prototype = { + constructor: CodeMirror, + focus: function(){win(this).focus(); this.display.input.focus();}, + + setOption: function(option, value) { + var options = this.options, old = options[option]; + if (options[option] == value && option != "mode") { return } + options[option] = value; + if (optionHandlers.hasOwnProperty(option)) + { operation(this, optionHandlers[option])(this, value, old); } + signal(this, "optionChange", this, option); + }, + + getOption: function(option) {return this.options[option]}, + getDoc: function() {return this.doc}, + + addKeyMap: function(map, bottom) { + this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); + }, + removeKeyMap: function(map) { + var maps = this.state.keyMaps; + for (var i = 0; i < maps.length; ++i) + { if (maps[i] == map || maps[i].name == map) { + maps.splice(i, 1); + return true + } } + }, + + addOverlay: methodOp(function(spec, options) { + var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); + if (mode.startState) { throw new Error("Overlays may not be stateful.") } + insertSorted(this.state.overlays, + {mode: mode, modeSpec: spec, opaque: options && options.opaque, + priority: (options && options.priority) || 0}, + function (overlay) { return overlay.priority; }); + this.state.modeGen++; + regChange(this); + }), + removeOverlay: methodOp(function(spec) { + var overlays = this.state.overlays; + for (var i = 0; i < overlays.length; ++i) { + var cur = overlays[i].modeSpec; + if (cur == spec || typeof spec == "string" && cur.name == spec) { + overlays.splice(i, 1); + this.state.modeGen++; + regChange(this); + return + } + } + }), + + indentLine: methodOp(function(n, dir, aggressive) { + if (typeof dir != "string" && typeof dir != "number") { + if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; } + else { dir = dir ? "add" : "subtract"; } + } + if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); } + }), + indentSelection: methodOp(function(how) { + var ranges = this.doc.sel.ranges, end = -1; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + if (!range.empty()) { + var from = range.from(), to = range.to(); + var start = Math.max(end, from.line); + end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; + for (var j = start; j < end; ++j) + { indentLine(this, j, how); } + var newRanges = this.doc.sel.ranges; + if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) + { replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); } + } else if (range.head.line > end) { + indentLine(this, range.head.line, how, true); + end = range.head.line; + if (i == this.doc.sel.primIndex) { ensureCursorVisible(this); } + } + } + }), + + // Fetch the parser token for a given character. Useful for hacks + // that want to inspect the mode state (say, for completion). + getTokenAt: function(pos, precise) { + return takeToken(this, pos, precise) + }, + + getLineTokens: function(line, precise) { + return takeToken(this, Pos(line), precise, true) + }, + + getTokenTypeAt: function(pos) { + pos = clipPos(this.doc, pos); + var styles = getLineStyles(this, getLine(this.doc, pos.line)); + var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; + var type; + if (ch == 0) { type = styles[2]; } + else { for (;;) { + var mid = (before + after) >> 1; + if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; } + else if (styles[mid * 2 + 1] < ch) { before = mid + 1; } + else { type = styles[mid * 2 + 2]; break } + } } + var cut = type ? type.indexOf("overlay ") : -1; + return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1) + }, + + getModeAt: function(pos) { + var mode = this.doc.mode; + if (!mode.innerMode) { return mode } + return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode + }, + + getHelper: function(pos, type) { + return this.getHelpers(pos, type)[0] + }, + + getHelpers: function(pos, type) { + var found = []; + if (!helpers.hasOwnProperty(type)) { return found } + var help = helpers[type], mode = this.getModeAt(pos); + if (typeof mode[type] == "string") { + if (help[mode[type]]) { found.push(help[mode[type]]); } + } else if (mode[type]) { + for (var i = 0; i < mode[type].length; i++) { + var val = help[mode[type][i]]; + if (val) { found.push(val); } + } + } else if (mode.helperType && help[mode.helperType]) { + found.push(help[mode.helperType]); + } else if (help[mode.name]) { + found.push(help[mode.name]); + } + for (var i$1 = 0; i$1 < help._global.length; i$1++) { + var cur = help._global[i$1]; + if (cur.pred(mode, this) && indexOf(found, cur.val) == -1) + { found.push(cur.val); } + } + return found + }, + + getStateAfter: function(line, precise) { + var doc = this.doc; + line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); + return getContextBefore(this, line + 1, precise).state + }, + + cursorCoords: function(start, mode) { + var pos, range = this.doc.sel.primary(); + if (start == null) { pos = range.head; } + else if (typeof start == "object") { pos = clipPos(this.doc, start); } + else { pos = start ? range.from() : range.to(); } + return cursorCoords(this, pos, mode || "page") + }, + + charCoords: function(pos, mode) { + return charCoords(this, clipPos(this.doc, pos), mode || "page") + }, + + coordsChar: function(coords, mode) { + coords = fromCoordSystem(this, coords, mode || "page"); + return coordsChar(this, coords.left, coords.top) + }, + + lineAtHeight: function(height, mode) { + height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; + return lineAtHeight(this.doc, height + this.display.viewOffset) + }, + heightAtLine: function(line, mode, includeWidgets) { + var end = false, lineObj; + if (typeof line == "number") { + var last = this.doc.first + this.doc.size - 1; + if (line < this.doc.first) { line = this.doc.first; } + else if (line > last) { line = last; end = true; } + lineObj = getLine(this.doc, line); + } else { + lineObj = line; + } + return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top + + (end ? this.doc.height - heightAtLine(lineObj) : 0) + }, + + defaultTextHeight: function() { return textHeight(this.display) }, + defaultCharWidth: function() { return charWidth(this.display) }, + + getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}}, + + addWidget: function(pos, node, scroll, vert, horiz) { + var display = this.display; + pos = cursorCoords(this, clipPos(this.doc, pos)); + var top = pos.bottom, left = pos.left; + node.style.position = "absolute"; + node.setAttribute("cm-ignore-events", "true"); + this.display.input.setUneditable(node); + display.sizer.appendChild(node); + if (vert == "over") { + top = pos.top; + } else if (vert == "above" || vert == "near") { + var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), + hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); + // Default to positioning above (if specified and possible); otherwise default to positioning below + if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) + { top = pos.top - node.offsetHeight; } + else if (pos.bottom + node.offsetHeight <= vspace) + { top = pos.bottom; } + if (left + node.offsetWidth > hspace) + { left = hspace - node.offsetWidth; } + } + node.style.top = top + "px"; + node.style.left = node.style.right = ""; + if (horiz == "right") { + left = display.sizer.clientWidth - node.offsetWidth; + node.style.right = "0px"; + } else { + if (horiz == "left") { left = 0; } + else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; } + node.style.left = left + "px"; + } + if (scroll) + { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); } + }, + + triggerOnKeyDown: methodOp(onKeyDown), + triggerOnKeyPress: methodOp(onKeyPress), + triggerOnKeyUp: onKeyUp, + triggerOnMouseDown: methodOp(onMouseDown), + + execCommand: function(cmd) { + if (commands.hasOwnProperty(cmd)) + { return commands[cmd].call(null, this) } + }, + + triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), + + findPosH: function(from, amount, unit, visually) { + var dir = 1; + if (amount < 0) { dir = -1; amount = -amount; } + var cur = clipPos(this.doc, from); + for (var i = 0; i < amount; ++i) { + cur = findPosH(this.doc, cur, dir, unit, visually); + if (cur.hitSide) { break } + } + return cur + }, + + moveH: methodOp(function(dir, unit) { + var this$1 = this; + + this.extendSelectionsBy(function (range) { + if (this$1.display.shift || this$1.doc.extend || range.empty()) + { return findPosH(this$1.doc, range.head, dir, unit, this$1.options.rtlMoveVisually) } + else + { return dir < 0 ? range.from() : range.to() } + }, sel_move); + }), + + deleteH: methodOp(function(dir, unit) { + var sel = this.doc.sel, doc = this.doc; + if (sel.somethingSelected()) + { doc.replaceSelection("", null, "+delete"); } + else + { deleteNearSelection(this, function (range) { + var other = findPosH(doc, range.head, dir, unit, false); + return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other} + }); } + }), + + findPosV: function(from, amount, unit, goalColumn) { + var dir = 1, x = goalColumn; + if (amount < 0) { dir = -1; amount = -amount; } + var cur = clipPos(this.doc, from); + for (var i = 0; i < amount; ++i) { + var coords = cursorCoords(this, cur, "div"); + if (x == null) { x = coords.left; } + else { coords.left = x; } + cur = findPosV(this, coords, dir, unit); + if (cur.hitSide) { break } + } + return cur + }, + + moveV: methodOp(function(dir, unit) { + var this$1 = this; + + var doc = this.doc, goals = []; + var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected(); + doc.extendSelectionsBy(function (range) { + if (collapse) + { return dir < 0 ? range.from() : range.to() } + var headPos = cursorCoords(this$1, range.head, "div"); + if (range.goalColumn != null) { headPos.left = range.goalColumn; } + goals.push(headPos.left); + var pos = findPosV(this$1, headPos, dir, unit); + if (unit == "page" && range == doc.sel.primary()) + { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); } + return pos + }, sel_move); + if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++) + { doc.sel.ranges[i].goalColumn = goals[i]; } } + }), + + // Find the word at the given position (as returned by coordsChar). + findWordAt: function(pos) { + var doc = this.doc, line = getLine(doc, pos.line).text; + var start = pos.ch, end = pos.ch; + if (line) { + var helper = this.getHelper(pos, "wordChars"); + if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; } + var startChar = line.charAt(start); + var check = isWordChar(startChar, helper) + ? function (ch) { return isWordChar(ch, helper); } + : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); } + : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); }; + while (start > 0 && check(line.charAt(start - 1))) { --start; } + while (end < line.length && check(line.charAt(end))) { ++end; } + } + return new Range(Pos(pos.line, start), Pos(pos.line, end)) + }, + + toggleOverwrite: function(value) { + if (value != null && value == this.state.overwrite) { return } + if (this.state.overwrite = !this.state.overwrite) + { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); } + else + { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); } + + signal(this, "overwriteToggle", this, this.state.overwrite); + }, + hasFocus: function() { return this.display.input.getField() == activeElt(doc(this)) }, + isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) }, + + scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }), + getScrollInfo: function() { + var scroller = this.display.scroller; + return {left: scroller.scrollLeft, top: scroller.scrollTop, + height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, + width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, + clientHeight: displayHeight(this), clientWidth: displayWidth(this)} + }, + + scrollIntoView: methodOp(function(range, margin) { + if (range == null) { + range = {from: this.doc.sel.primary().head, to: null}; + if (margin == null) { margin = this.options.cursorScrollMargin; } + } else if (typeof range == "number") { + range = {from: Pos(range, 0), to: null}; + } else if (range.from == null) { + range = {from: range, to: null}; + } + if (!range.to) { range.to = range.from; } + range.margin = margin || 0; + + if (range.from.line != null) { + scrollToRange(this, range); + } else { + scrollToCoordsRange(this, range.from, range.to, range.margin); + } + }), + + setSize: methodOp(function(width, height) { + var this$1 = this; + + var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; }; + if (width != null) { this.display.wrapper.style.width = interpret(width); } + if (height != null) { this.display.wrapper.style.height = interpret(height); } + if (this.options.lineWrapping) { clearLineMeasurementCache(this); } + var lineNo = this.display.viewFrom; + this.doc.iter(lineNo, this.display.viewTo, function (line) { + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) + { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo, "widget"); break } } } + ++lineNo; + }); + this.curOp.forceUpdate = true; + signal(this, "refresh", this); + }), + + operation: function(f){return runInOp(this, f)}, + startOperation: function(){return startOperation(this)}, + endOperation: function(){return endOperation(this)}, + + refresh: methodOp(function() { + var oldHeight = this.display.cachedTextHeight; + regChange(this); + this.curOp.forceUpdate = true; + clearCaches(this); + scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop); + updateGutterSpace(this.display); + if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5 || this.options.lineWrapping) + { estimateLineHeights(this); } + signal(this, "refresh", this); + }), + + swapDoc: methodOp(function(doc) { + var old = this.doc; + old.cm = null; + // Cancel the current text selection if any (#5821) + if (this.state.selectingText) { this.state.selectingText(); } + attachDoc(this, doc); + clearCaches(this); + this.display.input.reset(); + scrollToCoords(this, doc.scrollLeft, doc.scrollTop); + this.curOp.forceScroll = true; + signalLater(this, "swapDoc", this, old); + return old + }), + + phrase: function(phraseText) { + var phrases = this.options.phrases; + return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText + }, + + getInputField: function(){return this.display.input.getField()}, + getWrapperElement: function(){return this.display.wrapper}, + getScrollerElement: function(){return this.display.scroller}, + getGutterElement: function(){return this.display.gutters} + }; + eventMixin(CodeMirror); + + CodeMirror.registerHelper = function(type, name, value) { + if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; } + helpers[type][name] = value; + }; + CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { + CodeMirror.registerHelper(type, name, value); + helpers[type]._global.push({pred: predicate, val: value}); + }; + } + + // Used for horizontal relative motion. Dir is -1 or 1 (left or + // right), unit can be "codepoint", "char", "column" (like char, but + // doesn't cross line boundaries), "word" (across next word), or + // "group" (to the start of next group of word or + // non-word-non-whitespace chars). The visually param controls + // whether, in right-to-left text, direction 1 means to move towards + // the next index in the string, or towards the character to the right + // of the current position. The resulting position will have a + // hitSide=true property if it reached the end of the document. + function findPosH(doc, pos, dir, unit, visually) { + var oldPos = pos; + var origDir = dir; + var lineObj = getLine(doc, pos.line); + var lineDir = visually && doc.direction == "rtl" ? -dir : dir; + function findNextLine() { + var l = pos.line + lineDir; + if (l < doc.first || l >= doc.first + doc.size) { return false } + pos = new Pos(l, pos.ch, pos.sticky); + return lineObj = getLine(doc, l) + } + function moveOnce(boundToLine) { + var next; + if (unit == "codepoint") { + var ch = lineObj.text.charCodeAt(pos.ch + (dir > 0 ? 0 : -1)); + if (isNaN(ch)) { + next = null; + } else { + var astral = dir > 0 ? ch >= 0xD800 && ch < 0xDC00 : ch >= 0xDC00 && ch < 0xDFFF; + next = new Pos(pos.line, Math.max(0, Math.min(lineObj.text.length, pos.ch + dir * (astral ? 2 : 1))), -dir); + } + } else if (visually) { + next = moveVisually(doc.cm, lineObj, pos, dir); + } else { + next = moveLogically(lineObj, pos, dir); + } + if (next == null) { + if (!boundToLine && findNextLine()) + { pos = endOfLine(visually, doc.cm, lineObj, pos.line, lineDir); } + else + { return false } + } else { + pos = next; + } + return true + } + + if (unit == "char" || unit == "codepoint") { + moveOnce(); + } else if (unit == "column") { + moveOnce(true); + } else if (unit == "word" || unit == "group") { + var sawType = null, group = unit == "group"; + var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); + for (var first = true;; first = false) { + if (dir < 0 && !moveOnce(!first)) { break } + var cur = lineObj.text.charAt(pos.ch) || "\n"; + var type = isWordChar(cur, helper) ? "w" + : group && cur == "\n" ? "n" + : !group || /\s/.test(cur) ? null + : "p"; + if (group && !first && !type) { type = "s"; } + if (sawType && sawType != type) { + if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";} + break + } + + if (type) { sawType = type; } + if (dir > 0 && !moveOnce(!first)) { break } + } + } + var result = skipAtomic(doc, pos, oldPos, origDir, true); + if (equalCursorPos(oldPos, result)) { result.hitSide = true; } + return result + } + + // For relative vertical movement. Dir may be -1 or 1. Unit can be + // "page" or "line". The resulting position will have a hitSide=true + // property if it reached the end of the document. + function findPosV(cm, pos, dir, unit) { + var doc = cm.doc, x = pos.left, y; + if (unit == "page") { + var pageSize = Math.min(cm.display.wrapper.clientHeight, win(cm).innerHeight || doc(cm).documentElement.clientHeight); + var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3); + y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount; + + } else if (unit == "line") { + y = dir > 0 ? pos.bottom + 3 : pos.top - 3; + } + var target; + for (;;) { + target = coordsChar(cm, x, y); + if (!target.outside) { break } + if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break } + y += dir * 5; + } + return target + } + + // CONTENTEDITABLE INPUT STYLE + + var ContentEditableInput = function(cm) { + this.cm = cm; + this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; + this.polling = new Delayed(); + this.composing = null; + this.gracePeriod = false; + this.readDOMTimeout = null; + }; + + ContentEditableInput.prototype.init = function (display) { + var this$1 = this; + + var input = this, cm = input.cm; + var div = input.div = display.lineDiv; + div.contentEditable = true; + disableBrowserMagic(div, cm.options.spellcheck, cm.options.autocorrect, cm.options.autocapitalize); + + function belongsToInput(e) { + for (var t = e.target; t; t = t.parentNode) { + if (t == div) { return true } + if (/\bCodeMirror-(?:line)?widget\b/.test(t.className)) { break } + } + return false + } + + on(div, "paste", function (e) { + if (!belongsToInput(e) || signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } + // IE doesn't fire input events, so we schedule a read for the pasted content in this way + if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); } + }); + + on(div, "compositionstart", function (e) { + this$1.composing = {data: e.data, done: false}; + }); + on(div, "compositionupdate", function (e) { + if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; } + }); + on(div, "compositionend", function (e) { + if (this$1.composing) { + if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); } + this$1.composing.done = true; + } + }); + + on(div, "touchstart", function () { return input.forceCompositionEnd(); }); + + on(div, "input", function () { + if (!this$1.composing) { this$1.readFromDOMSoon(); } + }); + + function onCopyCut(e) { + if (!belongsToInput(e) || signalDOMEvent(cm, e)) { return } + if (cm.somethingSelected()) { + setLastCopied({lineWise: false, text: cm.getSelections()}); + if (e.type == "cut") { cm.replaceSelection("", null, "cut"); } + } else if (!cm.options.lineWiseCopyCut) { + return + } else { + var ranges = copyableRanges(cm); + setLastCopied({lineWise: true, text: ranges.text}); + if (e.type == "cut") { + cm.operation(function () { + cm.setSelections(ranges.ranges, 0, sel_dontScroll); + cm.replaceSelection("", null, "cut"); + }); + } + } + if (e.clipboardData) { + e.clipboardData.clearData(); + var content = lastCopied.text.join("\n"); + // iOS exposes the clipboard API, but seems to discard content inserted into it + e.clipboardData.setData("Text", content); + if (e.clipboardData.getData("Text") == content) { + e.preventDefault(); + return + } + } + // Old-fashioned briefly-focus-a-textarea hack + var kludge = hiddenTextarea(), te = kludge.firstChild; + disableBrowserMagic(te); + cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); + te.value = lastCopied.text.join("\n"); + var hadFocus = activeElt(div.ownerDocument); + selectInput(te); + setTimeout(function () { + cm.display.lineSpace.removeChild(kludge); + hadFocus.focus(); + if (hadFocus == div) { input.showPrimarySelection(); } + }, 50); + } + on(div, "copy", onCopyCut); + on(div, "cut", onCopyCut); + }; + + ContentEditableInput.prototype.screenReaderLabelChanged = function (label) { + // Label for screenreaders, accessibility + if(label) { + this.div.setAttribute('aria-label', label); + } else { + this.div.removeAttribute('aria-label'); + } + }; + + ContentEditableInput.prototype.prepareSelection = function () { + var result = prepareSelection(this.cm, false); + result.focus = activeElt(this.div.ownerDocument) == this.div; + return result + }; + + ContentEditableInput.prototype.showSelection = function (info, takeFocus) { + if (!info || !this.cm.display.view.length) { return } + if (info.focus || takeFocus) { this.showPrimarySelection(); } + this.showMultipleSelections(info); + }; + + ContentEditableInput.prototype.getSelection = function () { + return this.cm.display.wrapper.ownerDocument.getSelection() + }; + + ContentEditableInput.prototype.showPrimarySelection = function () { + var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary(); + var from = prim.from(), to = prim.to(); + + if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) { + sel.removeAllRanges(); + return + } + + var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset); + if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && + cmp(minPos(curAnchor, curFocus), from) == 0 && + cmp(maxPos(curAnchor, curFocus), to) == 0) + { return } + + var view = cm.display.view; + var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) || + {node: view[0].measure.map[2], offset: 0}; + var end = to.line < cm.display.viewTo && posToDOM(cm, to); + if (!end) { + var measure = view[view.length - 1].measure; + var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; + end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; + } + + if (!start || !end) { + sel.removeAllRanges(); + return + } + + var old = sel.rangeCount && sel.getRangeAt(0), rng; + try { rng = range(start.node, start.offset, end.offset, end.node); } + catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible + if (rng) { + if (!gecko && cm.state.focused) { + sel.collapse(start.node, start.offset); + if (!rng.collapsed) { + sel.removeAllRanges(); + sel.addRange(rng); + } + } else { + sel.removeAllRanges(); + sel.addRange(rng); + } + if (old && sel.anchorNode == null) { sel.addRange(old); } + else if (gecko) { this.startGracePeriod(); } + } + this.rememberSelection(); + }; + + ContentEditableInput.prototype.startGracePeriod = function () { + var this$1 = this; + + clearTimeout(this.gracePeriod); + this.gracePeriod = setTimeout(function () { + this$1.gracePeriod = false; + if (this$1.selectionChanged()) + { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); } + }, 20); + }; + + ContentEditableInput.prototype.showMultipleSelections = function (info) { + removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); + removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); + }; + + ContentEditableInput.prototype.rememberSelection = function () { + var sel = this.getSelection(); + this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; + this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; + }; + + ContentEditableInput.prototype.selectionInEditor = function () { + var sel = this.getSelection(); + if (!sel.rangeCount) { return false } + var node = sel.getRangeAt(0).commonAncestorContainer; + return contains(this.div, node) + }; + + ContentEditableInput.prototype.focus = function () { + if (this.cm.options.readOnly != "nocursor") { + if (!this.selectionInEditor() || activeElt(this.div.ownerDocument) != this.div) + { this.showSelection(this.prepareSelection(), true); } + this.div.focus(); + } + }; + ContentEditableInput.prototype.blur = function () { this.div.blur(); }; + ContentEditableInput.prototype.getField = function () { return this.div }; + + ContentEditableInput.prototype.supportsTouch = function () { return true }; + + ContentEditableInput.prototype.receivedFocus = function () { + var this$1 = this; + + var input = this; + if (this.selectionInEditor()) + { setTimeout(function () { return this$1.pollSelection(); }, 20); } + else + { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); } + + function poll() { + if (input.cm.state.focused) { + input.pollSelection(); + input.polling.set(input.cm.options.pollInterval, poll); + } + } + this.polling.set(this.cm.options.pollInterval, poll); + }; + + ContentEditableInput.prototype.selectionChanged = function () { + var sel = this.getSelection(); + return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || + sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset + }; + + ContentEditableInput.prototype.pollSelection = function () { + if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return } + var sel = this.getSelection(), cm = this.cm; + // On Android Chrome (version 56, at least), backspacing into an + // uneditable block element will put the cursor in that element, + // and then, because it's not editable, hide the virtual keyboard. + // Because Android doesn't allow us to actually detect backspace + // presses in a sane way, this code checks for when that happens + // and simulates a backspace press in this case. + if (android && chrome && this.cm.display.gutterSpecs.length && isInGutter(sel.anchorNode)) { + this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs}); + this.blur(); + this.focus(); + return + } + if (this.composing) { return } + this.rememberSelection(); + var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var head = domToPos(cm, sel.focusNode, sel.focusOffset); + if (anchor && head) { runInOp(cm, function () { + setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); + if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; } + }); } + }; + + ContentEditableInput.prototype.pollContent = function () { + if (this.readDOMTimeout != null) { + clearTimeout(this.readDOMTimeout); + this.readDOMTimeout = null; + } + + var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); + var from = sel.from(), to = sel.to(); + if (from.ch == 0 && from.line > cm.firstLine()) + { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); } + if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine()) + { to = Pos(to.line + 1, 0); } + if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false } + + var fromIndex, fromLine, fromNode; + if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { + fromLine = lineNo(display.view[0].line); + fromNode = display.view[0].node; + } else { + fromLine = lineNo(display.view[fromIndex].line); + fromNode = display.view[fromIndex - 1].node.nextSibling; + } + var toIndex = findViewIndex(cm, to.line); + var toLine, toNode; + if (toIndex == display.view.length - 1) { + toLine = display.viewTo - 1; + toNode = display.lineDiv.lastChild; + } else { + toLine = lineNo(display.view[toIndex + 1].line) - 1; + toNode = display.view[toIndex + 1].node.previousSibling; + } + + if (!fromNode) { return false } + var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); + var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); + while (newText.length > 1 && oldText.length > 1) { + if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } + else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } + else { break } + } + + var cutFront = 0, cutEnd = 0; + var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); + while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) + { ++cutFront; } + var newBot = lst(newText), oldBot = lst(oldText); + var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), + oldBot.length - (oldText.length == 1 ? cutFront : 0)); + while (cutEnd < maxCutEnd && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) + { ++cutEnd; } + // Try to move start of change to start of selection if ambiguous + if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) { + while (cutFront && cutFront > from.ch && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) { + cutFront--; + cutEnd++; + } + } + + newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, ""); + newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, ""); + + var chFrom = Pos(fromLine, cutFront); + var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); + if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { + replaceRange(cm.doc, newText, chFrom, chTo, "+input"); + return true + } + }; + + ContentEditableInput.prototype.ensurePolled = function () { + this.forceCompositionEnd(); + }; + ContentEditableInput.prototype.reset = function () { + this.forceCompositionEnd(); + }; + ContentEditableInput.prototype.forceCompositionEnd = function () { + if (!this.composing) { return } + clearTimeout(this.readDOMTimeout); + this.composing = null; + this.updateFromDOM(); + this.div.blur(); + this.div.focus(); + }; + ContentEditableInput.prototype.readFromDOMSoon = function () { + var this$1 = this; + + if (this.readDOMTimeout != null) { return } + this.readDOMTimeout = setTimeout(function () { + this$1.readDOMTimeout = null; + if (this$1.composing) { + if (this$1.composing.done) { this$1.composing = null; } + else { return } + } + this$1.updateFromDOM(); + }, 80); + }; + + ContentEditableInput.prototype.updateFromDOM = function () { + var this$1 = this; + + if (this.cm.isReadOnly() || !this.pollContent()) + { runInOp(this.cm, function () { return regChange(this$1.cm); }); } + }; + + ContentEditableInput.prototype.setUneditable = function (node) { + node.contentEditable = "false"; + }; + + ContentEditableInput.prototype.onKeyPress = function (e) { + if (e.charCode == 0 || this.composing) { return } + e.preventDefault(); + if (!this.cm.isReadOnly()) + { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); } + }; + + ContentEditableInput.prototype.readOnlyChanged = function (val) { + this.div.contentEditable = String(val != "nocursor"); + }; + + ContentEditableInput.prototype.onContextMenu = function () {}; + ContentEditableInput.prototype.resetPosition = function () {}; + + ContentEditableInput.prototype.needsContentAttribute = true; + + function posToDOM(cm, pos) { + var view = findViewForLine(cm, pos.line); + if (!view || view.hidden) { return null } + var line = getLine(cm.doc, pos.line); + var info = mapFromLineView(view, line, pos.line); + + var order = getOrder(line, cm.doc.direction), side = "left"; + if (order) { + var partPos = getBidiPartAt(order, pos.ch); + side = partPos % 2 ? "right" : "left"; + } + var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); + result.offset = result.collapse == "right" ? result.end : result.start; + return result + } + + function isInGutter(node) { + for (var scan = node; scan; scan = scan.parentNode) + { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } } + return false + } + + function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos } + + function domTextBetween(cm, from, to, fromLine, toLine) { + var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false; + function recognizeMarker(id) { return function (marker) { return marker.id == id; } } + function close() { + if (closing) { + text += lineSep; + if (extraLinebreak) { text += lineSep; } + closing = extraLinebreak = false; + } + } + function addText(str) { + if (str) { + close(); + text += str; + } + } + function walk(node) { + if (node.nodeType == 1) { + var cmText = node.getAttribute("cm-text"); + if (cmText) { + addText(cmText); + return + } + var markerID = node.getAttribute("cm-marker"), range; + if (markerID) { + var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); + if (found.length && (range = found[0].find(0))) + { addText(getBetween(cm.doc, range.from, range.to).join(lineSep)); } + return + } + if (node.getAttribute("contenteditable") == "false") { return } + var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName); + if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return } + + if (isBlock) { close(); } + for (var i = 0; i < node.childNodes.length; i++) + { walk(node.childNodes[i]); } + + if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; } + if (isBlock) { closing = true; } + } else if (node.nodeType == 3) { + addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " ")); + } + } + for (;;) { + walk(from); + if (from == to) { break } + from = from.nextSibling; + extraLinebreak = false; + } + return text + } + + function domToPos(cm, node, offset) { + var lineNode; + if (node == cm.display.lineDiv) { + lineNode = cm.display.lineDiv.childNodes[offset]; + if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) } + node = null; offset = 0; + } else { + for (lineNode = node;; lineNode = lineNode.parentNode) { + if (!lineNode || lineNode == cm.display.lineDiv) { return null } + if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break } + } + } + for (var i = 0; i < cm.display.view.length; i++) { + var lineView = cm.display.view[i]; + if (lineView.node == lineNode) + { return locateNodeInLineView(lineView, node, offset) } + } + } + + function locateNodeInLineView(lineView, node, offset) { + var wrapper = lineView.text.firstChild, bad = false; + if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) } + if (node == wrapper) { + bad = true; + node = wrapper.childNodes[offset]; + offset = 0; + if (!node) { + var line = lineView.rest ? lst(lineView.rest) : lineView.line; + return badPos(Pos(lineNo(line), line.text.length), bad) + } + } + + var textNode = node.nodeType == 3 ? node : null, topNode = node; + if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { + textNode = node.firstChild; + if (offset) { offset = textNode.nodeValue.length; } + } + while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; } + var measure = lineView.measure, maps = measure.maps; + + function find(textNode, topNode, offset) { + for (var i = -1; i < (maps ? maps.length : 0); i++) { + var map = i < 0 ? measure.map : maps[i]; + for (var j = 0; j < map.length; j += 3) { + var curNode = map[j + 2]; + if (curNode == textNode || curNode == topNode) { + var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); + var ch = map[j] + offset; + if (offset < 0 || curNode != textNode) { ch = map[j + (offset ? 1 : 0)]; } + return Pos(line, ch) + } + } + } + } + var found = find(textNode, topNode, offset); + if (found) { return badPos(found, bad) } + + // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems + for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { + found = find(after, after.firstChild, 0); + if (found) + { return badPos(Pos(found.line, found.ch - dist), bad) } + else + { dist += after.textContent.length; } + } + for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) { + found = find(before, before.firstChild, -1); + if (found) + { return badPos(Pos(found.line, found.ch + dist$1), bad) } + else + { dist$1 += before.textContent.length; } + } + } + + // TEXTAREA INPUT STYLE + + var TextareaInput = function(cm) { + this.cm = cm; + // See input.poll and input.reset + this.prevInput = ""; + + // Flag that indicates whether we expect input to appear real soon + // now (after some event like 'keypress' or 'input') and are + // polling intensively. + this.pollingFast = false; + // Self-resetting timeout for the poller + this.polling = new Delayed(); + // Used to work around IE issue with selection being forgotten when focus moves away from textarea + this.hasSelection = false; + this.composing = null; + this.resetting = false; + }; + + TextareaInput.prototype.init = function (display) { + var this$1 = this; + + var input = this, cm = this.cm; + this.createField(display); + var te = this.textarea; + + display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild); + + // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) + if (ios) { te.style.width = "0px"; } + + on(te, "input", function () { + if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; } + input.poll(); + }); + + on(te, "paste", function (e) { + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } + + cm.state.pasteIncoming = +new Date; + input.fastPoll(); + }); + + function prepareCopyCut(e) { + if (signalDOMEvent(cm, e)) { return } + if (cm.somethingSelected()) { + setLastCopied({lineWise: false, text: cm.getSelections()}); + } else if (!cm.options.lineWiseCopyCut) { + return + } else { + var ranges = copyableRanges(cm); + setLastCopied({lineWise: true, text: ranges.text}); + if (e.type == "cut") { + cm.setSelections(ranges.ranges, null, sel_dontScroll); + } else { + input.prevInput = ""; + te.value = ranges.text.join("\n"); + selectInput(te); + } + } + if (e.type == "cut") { cm.state.cutIncoming = +new Date; } + } + on(te, "cut", prepareCopyCut); + on(te, "copy", prepareCopyCut); + + on(display.scroller, "paste", function (e) { + if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return } + if (!te.dispatchEvent) { + cm.state.pasteIncoming = +new Date; + input.focus(); + return + } + + // Pass the `paste` event to the textarea so it's handled by its event listener. + var event = new Event("paste"); + event.clipboardData = e.clipboardData; + te.dispatchEvent(event); + }); + + // Prevent normal selection in the editor (we handle our own) + on(display.lineSpace, "selectstart", function (e) { + if (!eventInWidget(display, e)) { e_preventDefault(e); } + }); + + on(te, "compositionstart", function () { + var start = cm.getCursor("from"); + if (input.composing) { input.composing.range.clear(); } + input.composing = { + start: start, + range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) + }; + }); + on(te, "compositionend", function () { + if (input.composing) { + input.poll(); + input.composing.range.clear(); + input.composing = null; + } + }); + }; + + TextareaInput.prototype.createField = function (_display) { + // Wraps and hides input textarea + this.wrapper = hiddenTextarea(); + // The semihidden textarea that is focused when the editor is + // focused, and receives input. + this.textarea = this.wrapper.firstChild; + var opts = this.cm.options; + disableBrowserMagic(this.textarea, opts.spellcheck, opts.autocorrect, opts.autocapitalize); + }; + + TextareaInput.prototype.screenReaderLabelChanged = function (label) { + // Label for screenreaders, accessibility + if(label) { + this.textarea.setAttribute('aria-label', label); + } else { + this.textarea.removeAttribute('aria-label'); + } + }; + + TextareaInput.prototype.prepareSelection = function () { + // Redraw the selection and/or cursor + var cm = this.cm, display = cm.display, doc = cm.doc; + var result = prepareSelection(cm); + + // Move the hidden textarea near the cursor to prevent scrolling artifacts + if (cm.options.moveInputWithCursor) { + var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); + var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); + result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, + headPos.top + lineOff.top - wrapOff.top)); + result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, + headPos.left + lineOff.left - wrapOff.left)); + } + + return result + }; + + TextareaInput.prototype.showSelection = function (drawn) { + var cm = this.cm, display = cm.display; + removeChildrenAndAdd(display.cursorDiv, drawn.cursors); + removeChildrenAndAdd(display.selectionDiv, drawn.selection); + if (drawn.teTop != null) { + this.wrapper.style.top = drawn.teTop + "px"; + this.wrapper.style.left = drawn.teLeft + "px"; + } + }; + + // Reset the input to correspond to the selection (or to be empty, + // when not typing and nothing is selected) + TextareaInput.prototype.reset = function (typing) { + if (this.contextMenuPending || this.composing && typing) { return } + var cm = this.cm; + this.resetting = true; + if (cm.somethingSelected()) { + this.prevInput = ""; + var content = cm.getSelection(); + this.textarea.value = content; + if (cm.state.focused) { selectInput(this.textarea); } + if (ie && ie_version >= 9) { this.hasSelection = content; } + } else if (!typing) { + this.prevInput = this.textarea.value = ""; + if (ie && ie_version >= 9) { this.hasSelection = null; } + } + this.resetting = false; + }; + + TextareaInput.prototype.getField = function () { return this.textarea }; + + TextareaInput.prototype.supportsTouch = function () { return false }; + + TextareaInput.prototype.focus = function () { + if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt(this.textarea.ownerDocument) != this.textarea)) { + try { this.textarea.focus(); } + catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM + } + }; + + TextareaInput.prototype.blur = function () { this.textarea.blur(); }; + + TextareaInput.prototype.resetPosition = function () { + this.wrapper.style.top = this.wrapper.style.left = 0; + }; + + TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); }; + + // Poll for input changes, using the normal rate of polling. This + // runs as long as the editor is focused. + TextareaInput.prototype.slowPoll = function () { + var this$1 = this; + + if (this.pollingFast) { return } + this.polling.set(this.cm.options.pollInterval, function () { + this$1.poll(); + if (this$1.cm.state.focused) { this$1.slowPoll(); } + }); + }; + + // When an event has just come in that is likely to add or change + // something in the input textarea, we poll faster, to ensure that + // the change appears on the screen quickly. + TextareaInput.prototype.fastPoll = function () { + var missed = false, input = this; + input.pollingFast = true; + function p() { + var changed = input.poll(); + if (!changed && !missed) {missed = true; input.polling.set(60, p);} + else {input.pollingFast = false; input.slowPoll();} + } + input.polling.set(20, p); + }; + + // Read input from the textarea, and update the document to match. + // When something is selected, it is present in the textarea, and + // selected (unless it is huge, in which case a placeholder is + // used). When nothing is selected, the cursor sits after previously + // seen text (can be empty), which is stored in prevInput (we must + // not reset the textarea when typing, because that breaks IME). + TextareaInput.prototype.poll = function () { + var this$1 = this; + + var cm = this.cm, input = this.textarea, prevInput = this.prevInput; + // Since this is called a *lot*, try to bail out as cheaply as + // possible when it is clear that nothing happened. hasSelection + // will be the case when there is a lot of text in the textarea, + // in which case reading its value would be expensive. + if (this.contextMenuPending || this.resetting || !cm.state.focused || + (hasSelection(input) && !prevInput && !this.composing) || + cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) + { return false } + + var text = input.value; + // If nothing changed, bail. + if (text == prevInput && !cm.somethingSelected()) { return false } + // Work around nonsensical selection resetting in IE9/10, and + // inexplicable appearance of private area unicode characters on + // some key combos in Mac (#2689). + if (ie && ie_version >= 9 && this.hasSelection === text || + mac && /[\uf700-\uf7ff]/.test(text)) { + cm.display.input.reset(); + return false + } + + if (cm.doc.sel == cm.display.selForContextMenu) { + var first = text.charCodeAt(0); + if (first == 0x200b && !prevInput) { prevInput = "\u200b"; } + if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") } + } + // Find the part of the input that is actually new + var same = 0, l = Math.min(prevInput.length, text.length); + while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; } + + runInOp(cm, function () { + applyTextInput(cm, text.slice(same), prevInput.length - same, + null, this$1.composing ? "*compose" : null); + + // Don't leave long text in the textarea, since it makes further polling slow + if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; } + else { this$1.prevInput = text; } + + if (this$1.composing) { + this$1.composing.range.clear(); + this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"), + {className: "CodeMirror-composing"}); + } + }); + return true + }; + + TextareaInput.prototype.ensurePolled = function () { + if (this.pollingFast && this.poll()) { this.pollingFast = false; } + }; + + TextareaInput.prototype.onKeyPress = function () { + if (ie && ie_version >= 9) { this.hasSelection = null; } + this.fastPoll(); + }; + + TextareaInput.prototype.onContextMenu = function (e) { + var input = this, cm = input.cm, display = cm.display, te = input.textarea; + if (input.contextMenuPending) { input.contextMenuPending(); } + var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; + if (!pos || presto) { return } // Opera is difficult. + + // Reset the current text selection only if the click is done outside of the selection + // and 'resetSelectionOnContextMenu' option is true. + var reset = cm.options.resetSelectionOnContextMenu; + if (reset && cm.doc.sel.contains(pos) == -1) + { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); } + + var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; + var wrapperBox = input.wrapper.offsetParent.getBoundingClientRect(); + input.wrapper.style.cssText = "position: static"; + te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; + var oldScrollY; + if (webkit) { oldScrollY = te.ownerDocument.defaultView.scrollY; } // Work around Chrome issue (#2712) + display.input.focus(); + if (webkit) { te.ownerDocument.defaultView.scrollTo(null, oldScrollY); } + display.input.reset(); + // Adds "Select all" to context menu in FF + if (!cm.somethingSelected()) { te.value = input.prevInput = " "; } + input.contextMenuPending = rehide; + display.selForContextMenu = cm.doc.sel; + clearTimeout(display.detectingSelectAll); + + // Select-all will be greyed out if there's nothing to select, so + // this adds a zero-width space so that we can later check whether + // it got selected. + function prepareSelectAllHack() { + if (te.selectionStart != null) { + var selected = cm.somethingSelected(); + var extval = "\u200b" + (selected ? te.value : ""); + te.value = "\u21da"; // Used to catch context-menu undo + te.value = extval; + input.prevInput = selected ? "" : "\u200b"; + te.selectionStart = 1; te.selectionEnd = extval.length; + // Re-set this, in case some other handler touched the + // selection in the meantime. + display.selForContextMenu = cm.doc.sel; + } + } + function rehide() { + if (input.contextMenuPending != rehide) { return } + input.contextMenuPending = false; + input.wrapper.style.cssText = oldWrapperCSS; + te.style.cssText = oldCSS; + if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); } + + // Try to detect the user choosing select-all + if (te.selectionStart != null) { + if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); } + var i = 0, poll = function () { + if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && + te.selectionEnd > 0 && input.prevInput == "\u200b") { + operation(cm, selectAll)(cm); + } else if (i++ < 10) { + display.detectingSelectAll = setTimeout(poll, 500); + } else { + display.selForContextMenu = null; + display.input.reset(); + } + }; + display.detectingSelectAll = setTimeout(poll, 200); + } + } + + if (ie && ie_version >= 9) { prepareSelectAllHack(); } + if (captureRightClick) { + e_stop(e); + var mouseup = function () { + off(window, "mouseup", mouseup); + setTimeout(rehide, 20); + }; + on(window, "mouseup", mouseup); + } else { + setTimeout(rehide, 50); + } + }; + + TextareaInput.prototype.readOnlyChanged = function (val) { + if (!val) { this.reset(); } + this.textarea.disabled = val == "nocursor"; + this.textarea.readOnly = !!val; + }; + + TextareaInput.prototype.setUneditable = function () {}; + + TextareaInput.prototype.needsContentAttribute = false; + + function fromTextArea(textarea, options) { + options = options ? copyObj(options) : {}; + options.value = textarea.value; + if (!options.tabindex && textarea.tabIndex) + { options.tabindex = textarea.tabIndex; } + if (!options.placeholder && textarea.placeholder) + { options.placeholder = textarea.placeholder; } + // Set autofocus to true if this textarea is focused, or if it has + // autofocus and no other element is focused. + if (options.autofocus == null) { + var hasFocus = activeElt(textarea.ownerDocument); + options.autofocus = hasFocus == textarea || + textarea.getAttribute("autofocus") != null && hasFocus == document.body; + } + + function save() {textarea.value = cm.getValue();} + + var realSubmit; + if (textarea.form) { + on(textarea.form, "submit", save); + // Deplorable hack to make the submit method do the right thing. + if (!options.leaveSubmitMethodAlone) { + var form = textarea.form; + realSubmit = form.submit; + try { + var wrappedSubmit = form.submit = function () { + save(); + form.submit = realSubmit; + form.submit(); + form.submit = wrappedSubmit; + }; + } catch(e) {} + } + } + + options.finishInit = function (cm) { + cm.save = save; + cm.getTextArea = function () { return textarea; }; + cm.toTextArea = function () { + cm.toTextArea = isNaN; // Prevent this from being ran twice + save(); + textarea.parentNode.removeChild(cm.getWrapperElement()); + textarea.style.display = ""; + if (textarea.form) { + off(textarea.form, "submit", save); + if (!options.leaveSubmitMethodAlone && typeof textarea.form.submit == "function") + { textarea.form.submit = realSubmit; } + } + }; + }; + + textarea.style.display = "none"; + var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); }, + options); + return cm + } + + function addLegacyProps(CodeMirror) { + CodeMirror.off = off; + CodeMirror.on = on; + CodeMirror.wheelEventPixels = wheelEventPixels; + CodeMirror.Doc = Doc; + CodeMirror.splitLines = splitLinesAuto; + CodeMirror.countColumn = countColumn; + CodeMirror.findColumn = findColumn; + CodeMirror.isWordChar = isWordCharBasic; + CodeMirror.Pass = Pass; + CodeMirror.signal = signal; + CodeMirror.Line = Line; + CodeMirror.changeEnd = changeEnd; + CodeMirror.scrollbarModel = scrollbarModel; + CodeMirror.Pos = Pos; + CodeMirror.cmpPos = cmp; + CodeMirror.modes = modes; + CodeMirror.mimeModes = mimeModes; + CodeMirror.resolveMode = resolveMode; + CodeMirror.getMode = getMode; + CodeMirror.modeExtensions = modeExtensions; + CodeMirror.extendMode = extendMode; + CodeMirror.copyState = copyState; + CodeMirror.startState = startState; + CodeMirror.innerMode = innerMode; + CodeMirror.commands = commands; + CodeMirror.keyMap = keyMap; + CodeMirror.keyName = keyName; + CodeMirror.isModifierKey = isModifierKey; + CodeMirror.lookupKey = lookupKey; + CodeMirror.normalizeKeyMap = normalizeKeyMap; + CodeMirror.StringStream = StringStream; + CodeMirror.SharedTextMarker = SharedTextMarker; + CodeMirror.TextMarker = TextMarker; + CodeMirror.LineWidget = LineWidget; + CodeMirror.e_preventDefault = e_preventDefault; + CodeMirror.e_stopPropagation = e_stopPropagation; + CodeMirror.e_stop = e_stop; + CodeMirror.addClass = addClass; + CodeMirror.contains = contains; + CodeMirror.rmClass = rmClass; + CodeMirror.keyNames = keyNames; + } + + // EDITOR CONSTRUCTOR + + defineOptions(CodeMirror); + + addEditorMethods(CodeMirror); + + // Set up methods on CodeMirror's prototype to redirect to the editor's document. + var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); + for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) + { CodeMirror.prototype[prop] = (function(method) { + return function() {return method.apply(this.doc, arguments)} + })(Doc.prototype[prop]); } } + + eventMixin(Doc); + CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; + + // Extra arguments are stored as the mode's dependencies, which is + // used by (legacy) mechanisms like loadmode.js to automatically + // load a mode. (Preferred mechanism is the require/define calls.) + CodeMirror.defineMode = function(name/*, mode, …*/) { + if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name; } + defineMode.apply(this, arguments); + }; + + CodeMirror.defineMIME = defineMIME; + + // Minimal default mode. + CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); }); + CodeMirror.defineMIME("text/plain", "null"); + + // EXTENSIONS + + CodeMirror.defineExtension = function (name, func) { + CodeMirror.prototype[name] = func; + }; + CodeMirror.defineDocExtension = function (name, func) { + Doc.prototype[name] = func; + }; + + CodeMirror.fromTextArea = fromTextArea; + + addLegacyProps(CodeMirror); + + CodeMirror.version = "5.65.15"; + + return CodeMirror; + +}))); diff --git a/turing-machine/css/styles.css b/turing-machine/css/styles.css index a345f51..1b2ad09 100644 --- a/turing-machine/css/styles.css +++ b/turing-machine/css/styles.css @@ -1,5 +1,4 @@ * { - font-family: "Trebuchet MS", sans-serif; margin: 0; } @@ -7,7 +6,9 @@ button { background: #bbbbbb; border: 1px solid white; border-radius: 0.2rem; - padding: 0.2rem; + padding: 0.3rem; + display: inline-block; + cursor: pointer; } button:hover { @@ -15,7 +16,7 @@ button:hover { } body { - margin: 0; + font-family: "Trebuchet MS", sans-serif; background-color: #aaaaaa; } @@ -54,11 +55,12 @@ body { border-radius: 0.25rem; box-shadow: 2px 2px 5px #666666; background-color: #dddddd; + border: 2px solid white; position: relative; height: 80%; - transition: border 0.1s ease-in-out; - transition: background 0.1s ease-in-out; + transition: border 0.25s ease-in-out; + transition: background 0.25s ease-in-out; display: flex; flex-direction: column; @@ -80,7 +82,7 @@ body { background-color: wheat; border-radius: 50%; opacity: 0.001; - transition: opacity 0.1s ease-in-out; + transition: opacity 0.25s ease-in-out; } .cell.reading .circle { @@ -88,7 +90,7 @@ body { } .reading { - border-color: green; + border-color: wheat; background-color: wheat; } @@ -105,6 +107,16 @@ body { font-size: 1rem; } +.textarea-container { + display: flex; + flex-direction: column; + gap: 1rem; + box-shadow: 5px 5px 5px #666666; + border: 2px solid white; + border-radius: 0.25rem; + padding: 1rem; +} + textarea { border-radius: 0.25rem; height: 50vh; @@ -119,11 +131,11 @@ textarea { } .controls { - display: flex; + display: none; gap: 1rem; flex-direction: row; justify-content: center; - align-items: center; + align-items: stretch; } hr { diff --git a/turing-machine/index.html b/turing-machine/index.html index acc1e74..8bd600f 100644 --- a/turing-machine/index.html +++ b/turing-machine/index.html @@ -1,29 +1,57 @@ - - Turing Machine Simulator - - - -
-

Simponic's State System

-

Author: Elizabeth Hunt

-
-

State: _

-
- - - - - + + + + + diff --git a/turing-machine/js/main.js b/turing-machine/js/main.js index 9ace6f4..6cd1bd7 100644 --- a/turing-machine/js/main.js +++ b/turing-machine/js/main.js @@ -1,3 +1,7 @@ +const TAPE_LEN = 150; +const BLANK_VAL = "B"; +const SIMULATION_INTERVAL = 200; + const MESSAGES = { SET_CELL: "SET_CELL", PAUSE: "PAUSE", @@ -9,16 +13,13 @@ const MESSAGES = { NEW_TURING_STATE: "NEW_TURING_STATE", }; +// -- the "real" code + const state = new Observable(); const inputCellId = (cellId) => `${cellId}-input`; -const setCellFromInput = (cellId, inputId) => { - const input = document.getElementById(inputId); - tape[cellId] = input.value; -}; - -const cell = (cellId, initValue = "NULL") => { +const cell = (cellId, initValue = "B") => { const cellDiv = document.createElement("div"); cellDiv.classList.add("cell"); cellDiv.id = cellId; @@ -38,7 +39,8 @@ const cell = (cellId, initValue = "NULL") => { input.addEventListener("focusout", () => state.notify({ type: MESSAGES.SET_CELL, cell: cellId, value: input.value }) ); - state.subscribe((msg) => { + + const msgListener = (msg) => { if (msg.type == MESSAGES.SET_CELL && msg.cell == cellId) { input.value = msg.value; } @@ -50,7 +52,11 @@ const cell = (cellId, initValue = "NULL") => { }); } else cellDiv.classList.remove("reading"); } - }); + if (msg.type == MESSAGES.COMPILE) { + state.unsubscribe(msgListener); + } + }; + state.subscribe(msgListener); cellDiv.appendChild(input); cellDiv.appendChild(readingHead); @@ -73,7 +79,7 @@ const parseRules = (rules, beginState) => { .map((x) => x.trim()) .filter((x) => x); if (items.length != 4) { - throw new Error(`Invalid instruction on line ${line}`); + throw new Error(`Invalid instruction on line ${line + 1}`); } instructions.push(items); }); @@ -85,32 +91,58 @@ const parseRules = (rules, beginState) => { return instructions; }; -// -- +// -- a bit of some hacky ui code -- const tapeEl = document.getElementById("tape"); const compileButton = document.getElementById("compile"); -const instructionsEl = document.getElementById("instructions"); +const resetButton = document.getElementById("reset"); const controlsEl = document.getElementById("controls"); const nextStepButton = document.getElementById("next_step"); const togglePlayButton = document.getElementById("toggle_play"); const compileStatusEl = document.getElementById("compile_status"); const turingMachineStateEl = document.getElementById("turing_state"); -const resetButton = document.getElementById("reset"); +const copyStateButton = document.getElementById("copy_state"); -resetButton.addEventListener("click", () => { - state.notify({ type: MESSAGES.PAUSE }); - state.notify({ type: MESSAGES.COMPILE, value: instructionsEl.value }); +// init instructions from params +const instructionsEl = document.getElementById("instructions"); +const editorEl = CodeMirror.fromTextArea(instructionsEl, { + lineNumbers: true, }); +const urlParams = new URLSearchParams(window.location.search); +if (urlParams.get("instructions")) { + editorEl.setValue(atob(urlParams.get("instructions"))); +} -compileButton.addEventListener("click", () => { - state.notify({ type: MESSAGES.COMPILE, value: instructionsEl.value }); -}); +[compileButton, resetButton].forEach((button) => + button.addEventListener("click", () => { + state.notify({ type: MESSAGES.PAUSE }); + state.notify({ type: MESSAGES.COMPILE, value: editorEl.getValue() }); + }) +); nextStepButton.addEventListener("click", () => { state.notify({ type: MESSAGES.PAUSE }); state.notify({ type: MESSAGES.NEXT_STEP }); }); +// hackily copy the program state and put it in the clipboard +copyStateButton.addEventListener("click", () => { + const start = Array(TAPE_LEN) + .fill(BLANK_VAL) + .map((blank, i) => document.getElementById(inputCellId(i))?.value ?? blank) + .join("") + .replaceAll(new RegExp(`(${BLANK_VAL})*\$`, "g"), ""); + const instructions = btoa(editorEl.getValue()); + + navigator.clipboard + .writeText( + window.location.href.split("?")[0] + + `?start=${start}&instructions=${instructions}` + ) + .then(() => alert("copied to clipboard")); +}); + +// simulate / pause button let playButton_simulationStatus = "paused"; togglePlayButton.addEventListener("click", function () { if (playButton_simulationStatus == "paused") { @@ -119,6 +151,16 @@ togglePlayButton.addEventListener("click", function () { state.notify({ type: MESSAGES.PAUSE }); } }); +state.subscribe((msg) => { + if (msg.type == MESSAGES.PAUSE) { + togglePlayButton.innerHTML = "🔁 Begin"; + playButton_simulationStatus = "paused"; + } + if (msg.type == MESSAGES.SIMULATE) { + togglePlayButton.innerHTML = "⏸️ Pause"; + playButton_simulationStatus = "simulate"; + } +}); state.subscribe((msg) => { if (msg.type == MESSAGES.COMPILE_STATUS) { @@ -142,22 +184,11 @@ state.subscribe((msg) => { if (error) { controlsEl.style.display = "none"; } else if (success) { - controlsEl.style.display = "block"; + controlsEl.style.display = "flex"; } } }); -state.subscribe((msg) => { - if (msg.type == MESSAGES.PAUSE) { - togglePlayButton.innerHTML = "🔁 Begin"; - playButton_simulationStatus = "paused"; - } - if (msg.type == MESSAGES.SIMULATE) { - togglePlayButton.innerHTML = "⏸️ Pause"; - playButton_simulationStatus = "simulate"; - } -}); - state.subscribe((msg) => { if (msg.type == MESSAGES.NEW_TURING_STATE) { turingMachineStateEl.innerHTML = msg.value; @@ -167,35 +198,35 @@ state.subscribe((msg) => { // - const main = () => { - const blank = "B"; - const beginState = "q0"; - const acceptState = "f"; - const tape = Array(200).fill(blank); - const cells = tape.map((_, cellId) => cell(cellId, blank)); - for (const cell of cells) { - tapeEl.appendChild(cell); - } - let turingMachine; + const startString = urlParams.get("start"); state.subscribe((msg) => { if (msg.type == MESSAGES.SET_CELL) { const { value, cell } = msg; - tape[cell] = value; if (turingMachine) turingMachine.setTapeAtCell(cell, value); } if (msg.type == MESSAGES.COMPILE) { const { value } = msg; try { - const rules = parseRules(value, beginState, acceptState); + const beginState = "q0"; + const acceptState = "f"; + const tape = Array(TAPE_LEN) + .fill(BLANK_VAL) + .map((x, i) => + startString && i < startString.length ? startString[i] : x + ); + + // put the cells into the tape + const cells = tape.map((_, cellId) => cell(cellId, tape[cellId])); + tapeEl.innerHTML = ""; + for (const cell of cells) { + tapeEl.appendChild(cell); + } + + const rules = parseRules(value, beginState, acceptState); + turingMachine = new TuringMachine(tape, rules, beginState, acceptState); - turingMachine = new TuringMachine( - [...tape], - rules, - beginState, - blank, - acceptState - ); state.notify({ type: MESSAGES.SET_READER, cell: 0 }); state.notify({ type: MESSAGES.NEW_TURING_STATE, @@ -209,7 +240,7 @@ const main = () => { if (msg.type == MESSAGES.SIMULATE) { const interval = setInterval(() => { state.notify({ type: MESSAGES.NEXT_STEP }); - }, 300); + }, SIMULATION_INTERVAL); const subscriptionFn = (msg) => { if (msg.type == MESSAGES.PAUSE) { clearInterval(interval); @@ -231,7 +262,7 @@ const main = () => { type: MESSAGES.NEW_TURING_STATE, value: accepting ? `Accept(${status})` - : `Fail(${status}}`, + : `Fail(${status})`, }); } else { state.notify({ diff --git a/turing-machine/js/turing_machine.js b/turing-machine/js/turing_machine.js index 9c21983..a61b43a 100644 --- a/turing-machine/js/turing_machine.js +++ b/turing-machine/js/turing_machine.js @@ -1,16 +1,9 @@ class TuringMachine { - constructor( - tape = [], - rules = [], - initialState = "q0", - blankSymbol = "B", - acceptState = "f" - ) { + constructor(tape = [], rules = [], initialState = "q0", acceptState = "f") { this.tape = tape; this.rules = this.parseRules(rules); this.state = initialState; this.head = 0; - this.blankSymbol = blankSymbol; this.acceptState = acceptState; this.iteration = 0; @@ -51,7 +44,7 @@ class TuringMachine { } step() { - const currentSymbol = this.tape[this.head] || this.blankSymbol; + const currentSymbol = this.tape[this.head]; const key = `${this.state},${currentSymbol}`; if (!(key in this.rules)) { return false; @@ -60,6 +53,7 @@ class TuringMachine { const [newState, action] = rule.split(","); this.state = newState; + this.iteration++; if (action === "R") { this.head += 1; @@ -73,10 +67,6 @@ class TuringMachine { return false; } - if (this.head >= 0 && this.head < this.tape.length) { - this.iteration++; - return true; - } - return false; + return this.head >= 0 && this.head < this.tape.length; } } -- 2.45.2