reprism/src/languages/ocaml.js

Modular Syntax highlighting for the web

export default {
  language: 'ocaml',
  init: Prism => {
    Prism.languages.ocaml = {
      comment: /\(\*[\s\S]*?\*\)/,
      string: [
        {
          pattern: /"(?:\\.|[^\\\r\n"])*"/,
          greedy: true,
        },
        {
          pattern: /(['`])(?:\\(?:\d+|x[\da-f]+|.)|(?!\1)[^\\\r\n])\1/i,
          greedy: true,
        },
      ],
      number: /\b(?:0x[\da-f][\da-f_]+|(?:0[bo])?\d[\d_]*\.?[\d_]*(?:e[+-]?[\d_]+)?)/i,
      type: {
        pattern: /\B['`]\w*/,
        alias: 'variable',
      },
      directive: {
        pattern: /\B#\w+/,
        alias: 'function',
      },
      keyword: /\b(?:as|assert|begin|class|constraint|do|done|downto|else|end|exception|external|for|fun|function|functor|if|in|include|inherit|initializer|lazy|let|match|method|module|mutable|new|object|of|open|prefix|private|rec|then|sig|struct|to|try|type|val|value|virtual|where|while|with)\b/,
      boolean: /\b(?:false|true)\b/,
      // Custom operators are allowed
      operator: /:=|[=<>@^|&+\-*\/$%!?~][!$%&*+\-.\/:<=>?@^|~]*|\b(?:and|asr|land|lor|lxor|lsl|lsr|mod|nor|or)\b/,
      punctuation: /[(){}\[\]|_.,:;]/,
    }
  },
}