public/prism/prism-crystal.js


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21<(function (Prism) {
  Prism.languages.crystal = Prism.languages.extend('ruby', {
    keyword: [
      /\b(?:__DIR__|__END_LINE__|__FILE__|__LINE__|abstract|alias|annotation|as|asm|begin|break|case|class|def|do|else|elsif|end|ensure|enum|extend|for|fun|if|ifdef|include|instance_sizeof|lib|macro|module|next|of|out|pointerof|private|protected|ptr|require|rescue|return|select|self|sizeof|struct|super|then|type|typeof|undef|uninitialized|union|unless|until|when|while|with|yield)\b/,
      {
        pattern: /(\.\s*)(?:is_a|responds_to)\?/,
        lookbehind: true,
      },
    ],
    number:
      /\b(?:0b[01_]*[01]|0o[0-7_]*[0-7]|0x[\da-fA-F_]*[\da-fA-F]|(?:\d(?:[\d_]*\d)?)(?:\.[\d_]*\d)?(?:[eE][+-]?[\d_]*\d)?)(?:_(?:[uif](?:8|16|32|64))?)?\b/,
    operator: [/->/, Prism.languages.ruby.operator],
    punctuation: /[(){}[\].,;\\]/,
  });

  Prism.languages.insertBefore('crystal', 'string-literal', {
    attribute: {
      pattern: /@\[.*?\]/,
      inside: {
        delimiter: {
          pattern: