prism-ruby.js 3.0 KB

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  1. /**
  2. * Original by Samuel Flores
  3. *
  4. * Adds the following new token classes:
  5. * constant, builtin, variable, symbol, regex
  6. */
  7. (function (Prism) {
  8. Prism.languages.ruby = Prism.languages.extend('clike', {
  9. 'comment': [
  10. /#.*/,
  11. {
  12. pattern: /^=begin\s[\s\S]*?^=end/m,
  13. greedy: true
  14. }
  15. ],
  16. 'class-name': {
  17. pattern: /(\b(?:class)\s+|\bcatch\s+\()[\w.\\]+/i,
  18. lookbehind: true,
  19. inside: {
  20. 'punctuation': /[.\\]/
  21. }
  22. },
  23. 'keyword': /\b(?:alias|and|BEGIN|begin|break|case|class|def|define_method|defined|do|each|else|elsif|END|end|ensure|extend|for|if|in|include|module|new|next|nil|not|or|prepend|protected|private|public|raise|redo|require|rescue|retry|return|self|super|then|throw|undef|unless|until|when|while|yield)\b/
  24. });
  25. var interpolation = {
  26. pattern: /#\{[^}]+\}/,
  27. inside: {
  28. 'delimiter': {
  29. pattern: /^#\{|\}$/,
  30. alias: 'tag'
  31. },
  32. rest: Prism.languages.ruby
  33. }
  34. };
  35. delete Prism.languages.ruby.function;
  36. Prism.languages.insertBefore('ruby', 'keyword', {
  37. 'regex': [
  38. {
  39. pattern: RegExp(/%r/.source + '(?:' + [
  40. /([^a-zA-Z0-9\s{(\[<])(?:(?!\1)[^\\]|\\[\s\S])*\1[gim]{0,3}/.source,
  41. /\((?:[^()\\]|\\[\s\S])*\)[gim]{0,3}/.source,
  42. // Here we need to specifically allow interpolation
  43. /\{(?:[^#{}\\]|#(?:\{[^}]+\})?|\\[\s\S])*\}[gim]{0,3}/.source,
  44. /\[(?:[^\[\]\\]|\\[\s\S])*\][gim]{0,3}/.source,
  45. /<(?:[^<>\\]|\\[\s\S])*>[gim]{0,3}/.source
  46. ].join('|') + ')'),
  47. greedy: true,
  48. inside: {
  49. 'interpolation': interpolation
  50. }
  51. },
  52. {
  53. pattern: /(^|[^/])\/(?!\/)(?:\[[^\r\n\]]+\]|\\.|[^[/\\\r\n])+\/[gim]{0,3}(?=\s*(?:$|[\r\n,.;})]))/,
  54. lookbehind: true,
  55. greedy: true
  56. }
  57. ],
  58. 'variable': /[@$]+[a-zA-Z_]\w*(?:[?!]|\b)/,
  59. 'symbol': {
  60. pattern: /(^|[^:]):[a-zA-Z_]\w*(?:[?!]|\b)/,
  61. lookbehind: true
  62. },
  63. 'method-definition': {
  64. pattern: /(\bdef\s+)[\w.]+/,
  65. lookbehind: true,
  66. inside: {
  67. 'function': /\w+$/,
  68. rest: Prism.languages.ruby
  69. }
  70. }
  71. });
  72. Prism.languages.insertBefore('ruby', 'number', {
  73. 'builtin': /\b(?:Array|Bignum|Binding|Class|Continuation|Dir|Exception|FalseClass|File|Stat|Fixnum|Float|Hash|Integer|IO|MatchData|Method|Module|NilClass|Numeric|Object|Proc|Range|Regexp|String|Struct|TMS|Symbol|ThreadGroup|Thread|Time|TrueClass)\b/,
  74. 'constant': /\b[A-Z]\w*(?:[?!]|\b)/
  75. });
  76. Prism.languages.ruby.string = [
  77. {
  78. pattern: RegExp(/%[qQiIwWxs]?/.source + '(?:' + [
  79. /([^a-zA-Z0-9\s{(\[<])(?:(?!\1)[^\\]|\\[\s\S])*\1/.source,
  80. /\((?:[^()\\]|\\[\s\S])*\)/.source,
  81. // Here we need to specifically allow interpolation
  82. /\{(?:[^#{}\\]|#(?:\{[^}]+\})?|\\[\s\S])*\}/.source,
  83. /\[(?:[^\[\]\\]|\\[\s\S])*\]/.source,
  84. /<(?:[^<>\\]|\\[\s\S])*>/.source
  85. ].join('|') + ')'),
  86. greedy: true,
  87. inside: {
  88. 'interpolation': interpolation
  89. }
  90. },
  91. {
  92. pattern: /("|')(?:#\{[^}]+\}|\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
  93. greedy: true,
  94. inside: {
  95. 'interpolation': interpolation
  96. }
  97. }
  98. ];
  99. Prism.languages.rb = Prism.languages.ruby;
  100. }(Prism));