70 lines
1.9 KiB
JavaScript
70 lines
1.9 KiB
JavaScript
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(function (Prism) {
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var schemeExpression = /\((?:[^();"#\\]|\\[\s\S]|;.*(?!.)|"(?:[^"\\]|\\.)*"|#(?:\{(?:(?!#\})[\s\S])*#\}|[^{])|<expr>)*\)/.source;
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// allow for up to pow(2, recursivenessLog2) many levels of recursive brace expressions
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// For some reason, this can't be 4
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var recursivenessLog2 = 5;
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for (var i = 0; i < recursivenessLog2; i++) {
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schemeExpression = schemeExpression.replace(/<expr>/g, function () { return schemeExpression; });
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}
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schemeExpression = schemeExpression.replace(/<expr>/g, /[^\s\S]/.source);
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var lilypond = Prism.languages.lilypond = {
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'comment': /%(?:(?!\{).*|\{[\s\S]*?%\})/,
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'embedded-scheme': {
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pattern: RegExp(/(^|[=\s])#(?:"(?:[^"\\]|\\.)*"|[^\s()"]*(?:[^\s()]|<expr>))/.source.replace(/<expr>/g, function () { return schemeExpression; }), 'm'),
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lookbehind: true,
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greedy: true,
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inside: {
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'scheme': {
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pattern: /^(#)[\s\S]+$/,
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lookbehind: true,
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alias: 'language-scheme',
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inside: {
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'embedded-lilypond': {
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pattern: /#\{[\s\S]*?#\}/,
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greedy: true,
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inside: {
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'punctuation': /^#\{|#\}$/,
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'lilypond': {
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pattern: /[\s\S]+/,
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alias: 'language-lilypond',
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inside: null // see below
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}
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}
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},
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rest: Prism.languages.scheme
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}
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},
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'punctuation': /#/
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}
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},
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'string': {
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pattern: /"(?:[^"\\]|\\.)*"/,
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greedy: true
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},
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'class-name': {
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pattern: /(\\new\s+)[\w-]+/,
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lookbehind: true
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},
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'keyword': {
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pattern: /\\[a-z][-\w]*/i,
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inside: {
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'punctuation': /^\\/
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}
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},
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'operator': /[=|]|<<|>>/,
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'punctuation': {
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pattern: /(^|[a-z\d])(?:'+|,+|[_^]?-[_^]?(?:[-+^!>._]|(?=\d))|[_^]\.?|[.!])|[{}()[\]<>^~]|\\[()[\]<>\\!]|--|__/,
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lookbehind: true
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},
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'number': /\b\d+(?:\/\d+)?\b/
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};
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lilypond['embedded-scheme'].inside['scheme'].inside['embedded-lilypond'].inside['lilypond'].inside = lilypond;
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Prism.languages.ly = lilypond;
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}(Prism));
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