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RunDevelopmentRunDevelopment
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Added basic support for LilyPond (#1967)
This adds very basic support for LilyPond. More advanced features weren't implemented because the author (me) has no idea about music.
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‎components.js‎

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‎components.json‎

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"require": "css",
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"owner": "Golmote"
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},
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"lilypond": {
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"title": "LilyPond",
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"require": "scheme",
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"alias": "ly",
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"owner": "RunDevelopment"
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},
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"liquid": {
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"title": "Liquid",
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"owner": "cinhtau"

‎components/prism-lilypond.js‎

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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, 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, 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));

‎components/prism-lilypond.min.js‎

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‎plugins/autoloader/prism-autoloader.js‎

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"json5": "json",
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"kotlin": "clike",
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"less": "css",
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"lilypond": "scheme",
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"markdown": "markup",
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"markup-templating": "markup",
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"n4js": "javascript",
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"hs": "haskell",
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"tex": "latex",
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"context": "latex",
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"ly": "lilypond",
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"emacs": "lisp",
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"elisp": "lisp",
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"emacs-lisp": "lisp",

‎plugins/autoloader/prism-autoloader.min.js‎

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

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"latex": "LaTeX",
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"tex": "TeX",
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"context": "ConTeXt",
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"lilypond": "LilyPond",
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"ly": "LilyPond",
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"emacs": "Lisp",
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"elisp": "Lisp",
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"emacs-lisp": "Lisp",

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

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‎tests/languages/lilypond/comment_feature.test‎

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% single line
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%{
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multiple lines
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%}
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----------------------------------------------------
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[
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["comment", "% single line"],
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["comment", "%{\nmultiple lines\n%}"]
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]
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----------------------------------------------------
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Checks for comments.

‎tests/languages/lilypond/embedded-scheme_feature.test‎

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#(define foo)
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#(define-music-function (parser location notes) (ly:music?) #{
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% Yes! You can embed LilyPond in Scheme.
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\override Score.Stem.beamlet-max-length-proportion = #'(0.5 . 0.5)
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#})
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##t
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#"s t r i n g"
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----------------------------------------------------
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[
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["embedded-scheme", [
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["punctuation", "#"],
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["scheme", [
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["punctuation", "("],
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["keyword", "define"],
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" foo",
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["punctuation", ")"]
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]]
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]],
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["embedded-scheme", [
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["punctuation", "#"],
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["scheme", [
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["punctuation", "("],
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["function", "define-music-function"],
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["punctuation", "("],
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["function", "parser"],
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" location notes",
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["punctuation", ")"],
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["punctuation", "("],
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["function", "ly:music?"],
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["punctuation", ")"],
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["embedded-lilypond", [
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["punctuation", "#{"],
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["lilypond", [
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["comment", "% Yes! You can embed LilyPond in Scheme."],
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["keyword", [
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["punctuation", "\\"],
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"override"
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]],
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" Score",
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["punctuation", "."],
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"Stem",
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["punctuation", "."],
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"beamlet-max-length-proportion ",
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["operator", "="],
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["embedded-scheme", [
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["punctuation", "#"],
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["scheme", [
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["punctuation", "'"],
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["punctuation", "("],
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["number", "0.5"],
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" . ",
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["number", "0.5"],
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["punctuation", ")"]
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]]
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]]
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]],
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["punctuation", "#}"]
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]],
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["punctuation", ")"]
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]]
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]],
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["embedded-scheme", [
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["punctuation", "#"],
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["scheme", [
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["boolean", "#t"]
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]]
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]],
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["embedded-scheme", [
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["punctuation", "#"],
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["scheme", [
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["string", "\"s t r i n g\""]
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]]
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]]
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]
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----------------------------------------------------
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Checks for Scheme code embedded in LilyPond.

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