Prism.languages.awk = {
  hashbang: {
    pattern: /^#!.*/,
    greedy: true,
    alias: 'comment',
  },
  comment: {
    pattern: /#.*/,
    greedy: true,
  },
  string: {
    pattern: /(^|[^\\])"(?:[^\\"\r\n]|\\.)*"/,
    lookbehind: true,
    greedy: true,
  },
  regex: {
    pattern: /((?:^|[^\w\s)])\s*)\/(?:[^\/\\\r\n]|\\.)*\//,
    lookbehind: true,
    greedy: true,
  },

  variable: /\$\w+/,
  keyword:
    /\b(?:BEGIN|BEGINFILE|END|ENDFILE|break|case|continue|default|delete|do|else|exit|for|function|getline|if|in|next|nextfile|printf?|return|switch|while)\b|@(?:include|load)\b/,

  function: /\b[a-z_]\w*(?=\s*\()/i,
  number: /\b(?:\d+(?:\.\d+)?(?:e[+-]?\d+)?|0x[a-fA-F0-9]+)\b/,

  operator: /--|\+\+|!?~|>&|>>|<<|(?:\*\*|[<>!=+\-*/%^])=?|&&|\|[|&]|[?:]/,
  punctuation: /[()[\]{},;]/,
};

Prism.languages.gawk = Prism.languages.awk;