reprism/languages/erlang.js

Modular Syntax highlighting for the web

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = {
  language: 'erlang',
  init: function init(Prism) {
    Prism.languages.erlang = {
      comment: /%.+/,
      string: {
        pattern: /"(?:\\.|[^\\"\r\n])*"/,
        greedy: true
      },
      'quoted-function': {
        pattern: /'(?:\\.|[^\\'\r\n])+'(?=\()/,
        alias: 'function'
      },
      'quoted-atom': {
        pattern: /'(?:\\.|[^\\'\r\n])+'/,
        alias: 'atom'
      },
      boolean: /\b(?:true|false)\b/,
      keyword: /\b(?:fun|when|case|of|end|if|receive|after|try|catch)\b/,
      number: [/\$\\?./, /\d+#[a-z0-9]+/i, /(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i],
      function: /\b[a-z][\w@]*(?=\()/,
      variable: {
        // Look-behind is used to prevent wrong highlighting of atoms containing "@"
        pattern: /(^|[^@])(?:\b|\?)[A-Z_][\w@]*/,
        lookbehind: true
      },
      operator: [/[=\/<>:]=|=[:\/]=|\+\+?|--?|[=*\/!]|\b(?:bnot|div|rem|band|bor|bxor|bsl|bsr|not|and|or|xor|orelse|andalso)\b/, {
        // We don't want to match <<
        pattern: /(^|[^<])<(?!<)/,
        lookbehind: true
      }, {
        // We don't want to match >>
        pattern: /(^|[^>])>(?!>)/,
        lookbehind: true
      }],
      atom: /\b[a-z][\w@]*/,
      punctuation: /[()[\]{}:;,.#|]|<<|>>/
    };
  }
};