simponic.xyz/godel/index.html

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<!DOCTYPE html>
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<html>
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<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 &lt;- X1
[ A1 ] IF X1 != 0 GOTO A2
GOTO B1
[ A2 ] X1 &lt;- X1 - 1
Y &lt;- Y + 1
GOTO A1
// Z1 &lt;- X2
[ B1 ] IF X2 != 0 GOTO B2
GOTO C1
[ B2 ] X2 &lt;- X2 - 1
Z1 &lt;- Z1 + 1
GOTO B1
// Y &lt;- Y + Z1
[ C1 ] IF Z1 != 0 GOTO C2
GOTO E
[ C2 ] Z1 &lt;- Z1 - 1
Y &lt;- Y + 1
GOTO C1</textarea>
<div>
<button id="compile">Compile</button>
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</div>
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<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>
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</div>
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</div>
</div>
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</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>
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</html>