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| 1 | +(function (Prism) { |
| 2 | + |
| 3 | + var schemeExpression = /\((?:[^();"#\\]|\\[\s\S]|;.*|"(?:[^"\\]|\\.)*"|#(?:\{(?:(?!#\})[\s\S])*#\}|[^{])|<expr>)*\)/.source; |
| 4 | + // allow for up to pow(2, recursivenessLog2) many levels of recursive brace expressions |
| 5 | + // For some reason, this can't be 4 |
| 6 | + var recursivenessLog2 = 5; |
| 7 | + for (var i = 0; i < recursivenessLog2; i++) { |
| 8 | + schemeExpression = schemeExpression.replace(/<expr>/g, schemeExpression); |
| 9 | + } |
| 10 | + schemeExpression = schemeExpression.replace(/<expr>/g, /[^\s\S]/.source); |
| 11 | + |
| 12 | + |
| 13 | + var lilypond = Prism.languages.lilypond = { |
| 14 | + 'comment': /%(?:(?!\{).*|\{[\s\S]*?%\})/, |
| 15 | + 'embedded-scheme': { |
| 16 | + pattern: RegExp(/(^|[=\s])#(?:"(?:[^"\\]|\\.)*"|[^\s()"]*(?:[^\s()]|<expr>))/.source.replace(/<expr>/g, schemeExpression), 'm'), |
| 17 | + lookbehind: true, |
| 18 | + greedy: true, |
| 19 | + inside: { |
| 20 | + 'scheme': { |
| 21 | + pattern: /^(#)[\s\S]+$/, |
| 22 | + lookbehind: true, |
| 23 | + alias: 'language-scheme', |
| 24 | + inside: { |
| 25 | + 'embedded-lilypond': { |
| 26 | + pattern: /#\{[\s\S]*?#\}/, |
| 27 | + greedy: true, |
| 28 | + inside: { |
| 29 | + 'punctuation': /^#\{|#\}$/, |
| 30 | + 'lilypond': { |
| 31 | + pattern: /[\s\S]+/, |
| 32 | + alias: 'language-lilypond', |
| 33 | + inside: null // see below |
| 34 | + } |
| 35 | + } |
| 36 | + }, |
| 37 | + rest: Prism.languages.scheme |
| 38 | + } |
| 39 | + }, |
| 40 | + 'punctuation': /#/ |
| 41 | + } |
| 42 | + }, |
| 43 | + 'string': { |
| 44 | + pattern: /"(?:[^"\\]|\\.)*"/, |
| 45 | + greedy: true |
| 46 | + }, |
| 47 | + 'class-name': { |
| 48 | + pattern: /(\\new\s+)[\w-]+/, |
| 49 | + lookbehind: true |
| 50 | + }, |
| 51 | + 'keyword': { |
| 52 | + pattern: /\\[a-z][-\w]*/i, |
| 53 | + inside: { |
| 54 | + 'punctuation': /^\\/ |
| 55 | + } |
| 56 | + }, |
| 57 | + 'operator': /[=|]|<<|>>/, |
| 58 | + 'punctuation': { |
| 59 | + pattern: /(^|[a-z\d])(?:'+|,+|[_^]?-[_^]?(?:[-+^!>._]|(?=\d))|[_^]\.?|[.!])|[{}()[\]<>^~]|\\[()[\]<>\\!]|--|__/, |
| 60 | + lookbehind: true |
| 61 | + }, |
| 62 | + 'number': /\b\d+(?:\/\d+)?\b/ |
| 63 | + }; |
| 64 | + |
| 65 | + lilypond['embedded-scheme'].inside['scheme'].inside['embedded-lilypond'].inside['lilypond'].inside = lilypond; |
| 66 | + |
| 67 | + Prism.languages.ly = lilypond; |
| 68 | + |
| 69 | +}(Prism)); |
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