hexo/node_modules/prismjs/components/prism-lilypond.js

70 lines
1.9 KiB
JavaScript

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