colored repl
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55c00566b0
commit
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@ -2,10 +2,12 @@ const argv = require('minimist')(process.argv.slice(2));
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export type Args = {
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export type Args = {
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devMode: boolean;
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devMode: boolean;
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debug: boolean;
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repl: boolean;
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repl: boolean;
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};
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};
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export const args: Args = {
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export const args: Args = {
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repl: argv.repl ?? false,
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repl: argv.repl ?? false,
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devMode: argv.dev ?? false,
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devMode: argv.dev ?? false,
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debug: argv.debug ?? false,
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};
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};
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@ -31,7 +31,7 @@ const devMode = async (logger: TracingLogger) => {
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};
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};
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export const main = async (args: Args) => {
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export const main = async (args: Args) => {
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if (args.devMode) {
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if (args.devMode || args.debug) {
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LOG_LEVELS.push('debug');
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LOG_LEVELS.push('debug');
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}
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}
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26
src/repl.ts
26
src/repl.ts
@ -5,7 +5,8 @@ import { peggyParse } from './parser';
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import { evaluate } from './interpreter';
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import { evaluate } from './interpreter';
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// cool asci logo for CPS
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// cool asci logo for CPS
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const LOGO = `
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const LOGO = `\x1b[33m
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simponic's
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_______ ________ ______ _______ __
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_______ ________ ______ _______ __
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/ \\ / | / \\ / \\ / |
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/ \\ / | / \\ / \\ / |
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$$$$$$$ |$$$$$$$$/ /$$$$$$ |$$$$$$$ |$$ |
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$$$$$$$ |$$$$$$$$/ /$$$$$$ |$$$$$$$ |$$ |
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@ -15,11 +16,10 @@ $$$$$$$ |$$$$$/ $$ | __ $$$$$$$/ $$ |
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$$ | $$ |$$ |_____ $$ \\__/ |$$ | $$ |_____
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$$ | $$ |$$ |_____ $$ \\__/ |$$ | $$ |_____
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$$ | $$ |$$ |$$ $$/ $$ | $$ |
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$$ | $$ |$$ |$$ $$/ $$ | $$ |
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$$/ $$/ $$$$$$$$/ $$$$$$/ $$/ $$$$$$$$/
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$$/ $$/ $$$$$$$$/ $$$$$$/ $$/ $$$$$$$$/
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\x1b[0m`;
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`;
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const HELP = `
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const HELP = `
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This is the CPS REPL. You can enter CPS programs and see the result of evaluating them.
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This is the CPS REPL. You can enter CPS programs and view the result of evaluating them.
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This REPL supports multi-line input. To end a multi-line input, enter an empty line.
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This REPL supports multi-line input. To end a multi-line input, enter an empty line.
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Commands:
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Commands:
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@ -31,9 +31,9 @@ const HELP = `
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this Intermediate Representation.
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this Intermediate Representation.
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Example:
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Example:
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~> PRIMOP(+, [INT 1, INT 2], [result], [
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\x1b[34m ~>\x1b[0m\x1b[32m PRIMOP(+, [INT 1, INT 2], [result], [
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| APP(LABEL id, [VAR result])
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| APP(LABEL id, [VAR result])
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| ])
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| ])\x1b[0m
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`;
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`;
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export const doRepl = async (
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export const doRepl = async (
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@ -42,19 +42,24 @@ export const doRepl = async (
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rl = readline.createInterface({ input, output }),
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rl = readline.createInterface({ input, output }),
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): Promise<any> => {
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): Promise<any> => {
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if (prompt === 0) {
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if (prompt === 0) {
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logger.info('welcome to recpl (read eval continue print loop) :)' + LOGO);
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logger.info(
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'welcome to recpl (read eval continue print loop) ʕ•́ᴥ•̀ʔっ' + LOGO,
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);
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}
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}
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const promptString = `[ ${prompt} ] ~> `;
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const promptString = `[ ${prompt} ] ~> `;
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const lines: string[] = [await rl.question(promptString)];
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const coloredPrompt = `\x1b[0m[\x1b[33m ${prompt} \x1b[0m]\x1b[34m ~> \x1b[0m\x1b[32m`;
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const lines: string[] = [await rl.question(coloredPrompt)];
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while (lines.at(-1)) {
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while (lines.at(-1)) {
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const line = lines.at(-1)!;
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const line = lines.at(-1)!;
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if (lines.length === 1 && line === 'help') {
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if (lines.length === 1 && line === 'help') {
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process.stdout.write('\x1b[0m');
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logger.info(HELP);
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logger.info(HELP);
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return doRepl(logger, prompt + 1, rl);
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return doRepl(logger, prompt + 1, rl);
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}
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}
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if (line === 'exit') {
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if (line === 'exit') {
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process.stdout.write('\x1b[0m');
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logger.info('Exiting REPL...');
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logger.info('Exiting REPL...');
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rl.close();
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rl.close();
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return;
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return;
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@ -66,12 +71,15 @@ export const doRepl = async (
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}
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}
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const program = lines.slice(0, -1).join('\n');
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const program = lines.slice(0, -1).join('\n');
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process.stdout.write('\x1b[0m');
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try {
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try {
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const ast = peggyParse(program);
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const ast = peggyParse(program);
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logger.debug('AST: ' + JSON.stringify(ast, null, 2));
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logger.debug('AST: ' + JSON.stringify(ast, null, 2));
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const result = await evaluate(ast, logger.createChild('evaluate'));
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const result = await evaluate(ast, logger.createChild('evaluate'));
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logger.info('Result: ' + JSON.stringify(result, null, 2) + '\n');
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logger.info(
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'Result: \n\x1b[36m' + JSON.stringify(result, null, 2) + '\x1b[0m\n',
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);
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} catch (e) {
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} catch (e) {
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logger.error(e!.toString() + '\n');
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logger.error(e!.toString() + '\n');
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}
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}
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