| 1 | /**
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| 2 | * Original by Samuel Flores
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| 3 | *
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| 4 | * Adds the following new token classes:
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| 5 | * constant, builtin, variable, symbol, regex
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| 6 | */
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| 7 | (function (Prism) {
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| 8 | Prism.languages.ruby = Prism.languages.extend('clike', {
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| 9 | 'comment': {
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| 10 | pattern: /#.*|^=begin\s[\s\S]*?^=end/m,
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| 11 | greedy: true
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| 12 | },
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| 13 | 'class-name': {
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| 14 | pattern: /(\b(?:class|module)\s+|\bcatch\s+\()[\w.\\]+|\b[A-Z_]\w*(?=\s*\.\s*new\b)/,
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| 15 | lookbehind: true,
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| 16 | inside: {
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| 17 | 'punctuation': /[.\\]/
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| 18 | }
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| 19 | },
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| 20 | 'keyword': /\b(?:BEGIN|END|alias|and|begin|break|case|class|def|define_method|defined|do|each|else|elsif|end|ensure|extend|for|if|in|include|module|new|next|nil|not|or|prepend|private|protected|public|raise|redo|require|rescue|retry|return|self|super|then|throw|undef|unless|until|when|while|yield)\b/,
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| 21 | 'operator': /\.{2,3}|&\.|===|<?=>|[!=]?~|(?:&&|\|\||<<|>>|\*\*|[+\-*/%<>!^&|=])=?|[?:]/,
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| 22 | 'punctuation': /[(){}[\].,;]/,
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| 23 | });
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| 24 |
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| 25 | Prism.languages.insertBefore('ruby', 'operator', {
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| 26 | 'double-colon': {
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| 27 | pattern: /::/,
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| 28 | alias: 'punctuation'
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| 29 | },
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| 30 | });
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| 31 |
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| 32 | var interpolation = {
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| 33 | pattern: /((?:^|[^\\])(?:\\{2})*)#\{(?:[^{}]|\{[^{}]*\})*\}/,
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| 34 | lookbehind: true,
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| 35 | inside: {
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| 36 | 'content': {
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| 37 | pattern: /^(#\{)[\s\S]+(?=\}$)/,
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| 38 | lookbehind: true,
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| 39 | inside: Prism.languages.ruby
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| 40 | },
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| 41 | 'delimiter': {
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| 42 | pattern: /^#\{|\}$/,
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| 43 | alias: 'punctuation'
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| 44 | }
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| 45 | }
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| 46 | };
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| 47 |
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| 48 | delete Prism.languages.ruby.function;
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| 49 |
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| 50 | var percentExpression = '(?:' + [
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| 51 | /([^a-zA-Z0-9\s{(\[<=])(?:(?!\1)[^\\]|\\[\s\S])*\1/.source,
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| 52 | /\((?:[^()\\]|\\[\s\S]|\((?:[^()\\]|\\[\s\S])*\))*\)/.source,
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| 53 | /\{(?:[^{}\\]|\\[\s\S]|\{(?:[^{}\\]|\\[\s\S])*\})*\}/.source,
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| 54 | /\[(?:[^\[\]\\]|\\[\s\S]|\[(?:[^\[\]\\]|\\[\s\S])*\])*\]/.source,
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| 55 | /<(?:[^<>\\]|\\[\s\S]|<(?:[^<>\\]|\\[\s\S])*>)*>/.source
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| 56 | ].join('|') + ')';
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| 57 |
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| 58 | var symbolName = /(?:"(?:\\.|[^"\\\r\n])*"|(?:\b[a-zA-Z_]\w*|[^\s\0-\x7F]+)[?!]?|\$.)/.source;
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| 59 |
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| 60 | Prism.languages.insertBefore('ruby', 'keyword', {
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| 61 | 'regex-literal': [
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| 62 | {
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| 63 | pattern: RegExp(/%r/.source + percentExpression + /[egimnosux]{0,6}/.source),
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| 64 | greedy: true,
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| 65 | inside: {
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| 66 | 'interpolation': interpolation,
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| 67 | 'regex': /[\s\S]+/
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| 68 | }
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| 69 | },
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| 70 | {
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| 71 | pattern: /(^|[^/])\/(?!\/)(?:\[[^\r\n\]]+\]|\\.|[^[/\\\r\n])+\/[egimnosux]{0,6}(?=\s*(?:$|[\r\n,.;})#]))/,
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| 72 | lookbehind: true,
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| 73 | greedy: true,
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| 74 | inside: {
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| 75 | 'interpolation': interpolation,
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| 76 | 'regex': /[\s\S]+/
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| 77 | }
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| 78 | }
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| 79 | ],
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| 80 | 'variable': /[@$]+[a-zA-Z_]\w*(?:[?!]|\b)/,
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| 81 | 'symbol': [
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| 82 | {
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| 83 | pattern: RegExp(/(^|[^:]):/.source + symbolName),
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| 84 | lookbehind: true,
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| 85 | greedy: true
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| 86 | },
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| 87 | {
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| 88 | pattern: RegExp(/([\r\n{(,][ \t]*)/.source + symbolName + /(?=:(?!:))/.source),
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| 89 | lookbehind: true,
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| 90 | greedy: true
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| 91 | },
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| 92 | ],
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| 93 | 'method-definition': {
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| 94 | pattern: /(\bdef\s+)\w+(?:\s*\.\s*\w+)?/,
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| 95 | lookbehind: true,
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| 96 | inside: {
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| 97 | 'function': /\b\w+$/,
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| 98 | 'keyword': /^self\b/,
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| 99 | 'class-name': /^\w+/,
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| 100 | 'punctuation': /\./
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| 101 | }
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| 102 | }
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| 103 | });
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| 104 |
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| 105 | Prism.languages.insertBefore('ruby', 'string', {
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| 106 | 'string-literal': [
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| 107 | {
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| 108 | pattern: RegExp(/%[qQiIwWs]?/.source + percentExpression),
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| 109 | greedy: true,
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| 110 | inside: {
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| 111 | 'interpolation': interpolation,
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| 112 | 'string': /[\s\S]+/
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| 113 | }
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| 114 | },
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| 115 | {
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| 116 | pattern: /("|')(?:#\{[^}]+\}|#(?!\{)|\\(?:\r\n|[\s\S])|(?!\1)[^\\#\r\n])*\1/,
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| 117 | greedy: true,
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| 118 | inside: {
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| 119 | 'interpolation': interpolation,
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| 120 | 'string': /[\s\S]+/
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| 121 | }
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| 122 | },
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| 123 | {
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| 124 | pattern: /<<[-~]?([a-z_]\w*)[\r\n](?:.*[\r\n])*?[\t ]*\1/i,
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| 125 | alias: 'heredoc-string',
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| 126 | greedy: true,
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| 127 | inside: {
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| 128 | 'delimiter': {
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| 129 | pattern: /^<<[-~]?[a-z_]\w*|\b[a-z_]\w*$/i,
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| 130 | inside: {
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| 131 | 'symbol': /\b\w+/,
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| 132 | 'punctuation': /^<<[-~]?/
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| 133 | }
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| 134 | },
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| 135 | 'interpolation': interpolation,
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| 136 | 'string': /[\s\S]+/
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| 137 | }
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| 138 | },
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| 139 | {
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| 140 | pattern: /<<[-~]?'([a-z_]\w*)'[\r\n](?:.*[\r\n])*?[\t ]*\1/i,
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| 141 | alias: 'heredoc-string',
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| 142 | greedy: true,
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| 143 | inside: {
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| 144 | 'delimiter': {
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| 145 | pattern: /^<<[-~]?'[a-z_]\w*'|\b[a-z_]\w*$/i,
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| 146 | inside: {
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| 147 | 'symbol': /\b\w+/,
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| 148 | 'punctuation': /^<<[-~]?'|'$/,
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| 149 | }
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| 150 | },
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| 151 | 'string': /[\s\S]+/
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| 152 | }
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| 153 | }
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| 154 | ],
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| 155 | 'command-literal': [
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| 156 | {
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| 157 | pattern: RegExp(/%x/.source + percentExpression),
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| 158 | greedy: true,
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| 159 | inside: {
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| 160 | 'interpolation': interpolation,
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| 161 | 'command': {
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| 162 | pattern: /[\s\S]+/,
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| 163 | alias: 'string'
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| 164 | }
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| 165 | }
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| 166 | },
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| 167 | {
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| 168 | pattern: /`(?:#\{[^}]+\}|#(?!\{)|\\(?:\r\n|[\s\S])|[^\\`#\r\n])*`/,
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| 169 | greedy: true,
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| 170 | inside: {
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| 171 | 'interpolation': interpolation,
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| 172 | 'command': {
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| 173 | pattern: /[\s\S]+/,
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| 174 | alias: 'string'
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| 175 | }
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| 176 | }
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| 177 | }
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| 178 | ]
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| 179 | });
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| 180 |
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| 181 | delete Prism.languages.ruby.string;
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| 182 |
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| 183 | Prism.languages.insertBefore('ruby', 'number', {
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| 184 | 'builtin': /\b(?:Array|Bignum|Binding|Class|Continuation|Dir|Exception|FalseClass|File|Fixnum|Float|Hash|IO|Integer|MatchData|Method|Module|NilClass|Numeric|Object|Proc|Range|Regexp|Stat|String|Struct|Symbol|TMS|Thread|ThreadGroup|Time|TrueClass)\b/,
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| 185 | 'constant': /\b[A-Z][A-Z0-9_]*(?:[?!]|\b)/
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| 186 | });
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| 187 |
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| 188 | Prism.languages.rb = Prism.languages.ruby;
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| 189 | }(Prism));
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