83 lines
2.3 KiB
HTML
83 lines
2.3 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<title>Liz's L-Program Compiler</title>
|
|
<link rel="stylesheet" type="text/css" href=
|
|
"codemirror/codemirror.css">
|
|
<link rel="stylesheet" type="text/css" href="css/styles.css">
|
|
</head>
|
|
<body>
|
|
<div class="container">
|
|
<h1>Liz's L-Program Compiler</h1>
|
|
<p><i>Developed for Kulyukin's CS5000</i></p>
|
|
<hr>
|
|
<div class="source-container">
|
|
<div class="textarea-container">
|
|
<h3>L Source</h3>
|
|
<textarea id=
|
|
"instructions">// 0. primitive instructions only
|
|
// 1. labels match the regex [A-E](:digit:)+.
|
|
// 2. variables are initialized to zero
|
|
// and match (Y | (X|Z)(:digit:)+).
|
|
// 3. instructions must be delimited by a newline.
|
|
// 4. anything following the comment token "//" up to a
|
|
// newline are ignored.
|
|
// 5. by default, a computation that takes more than 500_000
|
|
// "procedures", it will be halted.
|
|
// 6. the implicit exit label "E" exists; thus to exit
|
|
// prematurely, "GOTO E".
|
|
// 7. input your initial snapshot in the "variables" map
|
|
// on the Program in the compiled JS output
|
|
// 8. for a more detailed view on the grammar, it's at
|
|
// /godel/grammar.peg
|
|
|
|
// Y <- X1
|
|
[ A1 ] IF X1 != 0 GOTO A2
|
|
GOTO B1
|
|
[ A2 ] X1 <- X1 - 1
|
|
Y <- Y + 1
|
|
GOTO A1
|
|
|
|
// Z1 <- X2
|
|
[ B1 ] IF X2 != 0 GOTO B2
|
|
GOTO C1
|
|
[ B2 ] X2 <- X2 - 1
|
|
Z1 <- Z1 + 1
|
|
GOTO B1
|
|
|
|
// Y <- Y + Z1
|
|
[ C1 ] IF Z1 != 0 GOTO C2
|
|
GOTO E
|
|
[ C2 ] Z1 <- Z1 - 1
|
|
Y <- Y + 1
|
|
GOTO C1</textarea>
|
|
<div>
|
|
<button id="compile">Compile</button>
|
|
</div>
|
|
<div>
|
|
<span style="margin-left: 0.5rem" id=
|
|
"compile_status"></span>
|
|
</div>
|
|
</div>
|
|
<div class="textarea-container">
|
|
<h3>Compiled JS</h3>
|
|
<textarea id="compiled"></textarea>
|
|
<div>
|
|
<button id="eval">Eval</button>
|
|
</div>
|
|
<div>
|
|
<span style="margin-left: 0.5rem" id=
|
|
"eval_status"></span>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
<script src="codemirror/codemirror.js"></script>
|
|
<script src="js-beautify/js-beautify.js"></script>
|
|
<script src="js/observable.js"></script>
|
|
<script src="js/parser.js"></script>
|
|
<script src="js/compiler.js"></script>
|
|
<script src="js/main.js"></script>
|
|
</body>
|
|
</html>
|