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<!doctype html>
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<title>CodeMirror: APL mode</title>
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<meta charset="utf-8"/>
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<link rel=stylesheet href="../../doc/docs.css">
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<link rel="stylesheet" href="../../lib/codemirror.css">
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<script src="../../lib/codemirror.js"></script>
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<script src="../../addon/edit/matchbrackets.js"></script>
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<script src="./apl.js"></script>
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<style>
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.CodeMirror { border: 2px inset #dee; }
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</style>
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<div id=nav>
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<a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>
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<ul>
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<li><a href="../../index.html">Home</a>
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<li><a href="../../doc/manual.html">Manual</a>
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<li><a href="https://github.com/codemirror/codemirror">Code</a>
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</ul>
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<ul>
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<li><a href="../index.html">Language modes</a>
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<li><a class=active href="#">APL</a>
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</ul>
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</div>
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<article>
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<h2>APL mode</h2>
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<form><textarea id="code" name="code">
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⍝ Conway's game of life
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⍝ This example was inspired by the impressive demo at
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⍝ http://www.youtube.com/watch?v=a9xAKttWgP4
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⍝ Create a matrix:
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⍝ 0 1 1
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⍝ 1 1 0
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⍝ 0 1 0
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creature ← (3 3 ⍴ ⍳ 9) ∈ 1 2 3 4 7 ⍝ Original creature from demo
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creature ← (3 3 ⍴ ⍳ 9) ∈ 1 3 6 7 8 ⍝ Glider
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⍝ Place the creature on a larger board, near the centre
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board ← ¯1 ⊖ ¯2 ⌽ 5 7 ↑ creature
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⍝ A function to move from one generation to the next
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life ← {∨/ 1 ⍵ ∧ 3 4 = ⊂+/ +⌿ 1 0 ¯1 ∘.⊖ 1 0 ¯1 ⌽¨ ⊂⍵}
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⍝ Compute n-th generation and format it as a
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⍝ character matrix
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gen ← {' #'[(life ⍣ ⍵) board]}
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⍝ Show first three generations
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(gen 1) (gen 2) (gen 3)
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</textarea></form>
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<script>
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var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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lineNumbers: true,
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matchBrackets: true,
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mode: "text/apl"
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});
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</script>
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<p>Simple mode that tries to handle APL as well as it can.</p>
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<p>It attempts to label functions/operators based upon
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monadic/dyadic usage (but this is far from fully fleshed out).
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This means there are meaningful classnames so hover states can
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have popups etc.</p>
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<p><strong>MIME types defined:</strong> <code>text/apl</code> (APL code)</p>
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</article>
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