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Added support for Magma (CAS) (#3055)
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‎components.js

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‎components.json

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"title": "Lua",
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"owner": "Golmote"
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},
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"magma": {
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"title": "Magma (CAS)",
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"owner": "RunDevelopment"
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},
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"makefile": {
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"title": "Makefile",
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"owner": "Golmote"

‎components/prism-magma.js

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Prism.languages.magma = {
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'output': {
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pattern: /^(>.*(?:\r(?:\n|(?!\n))|\n))(?!>)(?:.+|(?:\r(?:\n|(?!\n))|\n)(?!>).*)(?:(?:\r(?:\n|(?!\n))|\n)(?!>).*)*/m,
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lookbehind: true,
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greedy: true
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},
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'comment': {
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pattern: /\/\/.*|\/\*[\s\S]*?\*\//,
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greedy: true
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},
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'string': {
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pattern: /(^|[^\\"])"(?:[^\r\n\\"]|\\.)*"/,
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lookbehind: true,
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greedy: true
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},
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// http://magma.maths.usyd.edu.au/magma/handbook/text/82
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'keyword': /\b(?:_|adj|and|assert|assert2|assert3|assigned|break|by|case|cat|catch|clear|cmpeq|cmpne|continue|declare|default|delete|diff|div|do|elif|else|end|eq|error|eval|exists|exit|for|forall|forward|fprintf|freeze|function|ge|gt|if|iload|import|in|intrinsic|is|join|le|load|local|lt|meet|mod|ne|not|notadj|notin|notsubset|or|print|printf|procedure|quit|random|read|readi|repeat|require|requirege|requirerange|restore|return|save|sdiff|select|subset|then|time|to|try|until|vprint|vprintf|vtime|when|where|while|xor)\b/,
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'boolean': /\b(?:false|true)\b/,
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'generator': {
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pattern: /\b[a-z_]\w*(?=\s*<)/i,
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alias: 'class-name'
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},
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'function': /\b[a-z_]\w*(?=\s*\()/i,
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'number': {
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pattern: /(^|[^\w.]|\.\.)(?:\d+(?:\.\d*)?|\.\d+)(?:[eE][+-]?\d+)?(?:_[a-z]?)?(?=$|[^\w.]|\.\.)/,
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lookbehind: true
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},
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'operator': /->|[-+*/^~!|#=]|:=|\.\./,
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'punctuation': /[()[\]{}<>,;.:]/
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};

‎components/prism-magma.min.js

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‎examples/prism-magma.html

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<h2>Full example</h2>
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<pre><code>// Source: http://magma.maths.usyd.edu.au/magma/handbook/text/115#963
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> D := Denominator;
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> N := Numerator;
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> farey := function(n)
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> f := [ RationalField() | 0, 1/n ];
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> p := 0;
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> q := 1;
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> while p/q lt 1 do
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> p := ( D(f[#f-1]) + n) div D(f[#f]) * N(f[#f]) - N(f[#f-1]);
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> q := ( D(f[#f-1]) + n) div D(f[#f]) * D(f[#f]) - D(f[#f-1]);
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> Append(~f, p/q);
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> end while;
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> return f;
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> end function;
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> function farey(n)
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> if n eq 1 then
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> return [RationalField() | 0, 1 ];
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> else
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> f := farey(n-1);
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> i := 0;
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> while i lt #f-1 do
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> i +:= 1;
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> if D(f[i]) + D(f[i+1]) eq n then
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> Insert( ~f, i+1, (N(f[i]) + N(f[i+1]))/(D(f[i]) + D(f[i+1])));
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> end if;
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> end while;
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> return f;
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> end if;
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> end function;
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> farey := func&lt; n |
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> Sort(Setseq({ a/b : a in { 0..n }, b in { 1..n } | a le b }))>;
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> farey(6);
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[ 0, 1/6, 1/5, 1/4, 1/3, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 1 ]</code></pre>

‎plugins/show-language/prism-show-language.js

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"llvm": "LLVM IR",
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"log": "Log file",
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"lolcode": "LOLCODE",
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"magma": "Magma (CAS)",
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"md": "Markdown",
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"markup-templating": "Markup templating",
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"matlab": "MATLAB",

‎plugins/show-language/prism-show-language.min.js

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‎tests/languages/magma/boolean_feature.test

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true
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false
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----------------------------------------------------
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[
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["boolean", "true"],
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["boolean", "false"]
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]

‎tests/languages/magma/comment_feature.test

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// comment
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/*
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comment
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*/
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----------------------------------------------------
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[
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["comment", "// comment"],
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["comment", "/*\r\n comment\r\n */"]
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]

‎tests/languages/magma/generator_feature.test

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G<a, b> := Group<a, b | a^2 = b^3 = a^b*b^2>;
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----------------------------------------------------
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[
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["generator", "G"],
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["punctuation", "<"],
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"a",
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["punctuation", ","],
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" b",
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["punctuation", ">"],
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["operator", ":="],
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["generator", "Group"],
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["punctuation", "<"],
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"a",
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["punctuation", ","],
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" b ",
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["operator", "|"],
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" a",
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["operator", "^"],
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["number", "2"],
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["operator", "="],
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" b",
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["operator", "^"],
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["number", "3"],
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["operator", "="],
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" a",
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["operator", "^"],
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"b",
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["operator", "*"],
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"b",
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["operator", "^"],
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["number", "2"],
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["punctuation", ">"],
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["punctuation", ";"]
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]

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