reprism/src/languages/bro.js

Modular Syntax highlighting for the web

export default {
  language: 'bro',
  init: Prism => {
    Prism.languages.bro = {
      comment: {
        pattern: /(^|[^\\$])#.*/,
        lookbehind: true,
        inside: {
          italic: /\b(?:TODO|FIXME|XXX)\b/,
        },
      },

      string: {
        pattern: /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
        greedy: true,
      },

      boolean: /\b[TF]\b/,

      function: {
        pattern: /(?:function|hook|event) \w+(?:::\w+)?/,
        inside: {
          keyword: /^(?:function|hook|event)/,
        },
      },

      variable: {
        pattern: /(?:global|local) \w+/i,
        inside: {
          keyword: /(?:global|local)/,
        },
      },

      builtin: /(?:@(?:load(?:-(?:sigs|plugin))?|unload|prefixes|ifn?def|else|(?:end)?if|DIR|FILENAME))|(?:&?(?:redef|priority|log|optional|default|add_func|delete_func|expire_func|read_expire|write_expire|create_expire|synchronized|persistent|rotate_interval|rotate_size|encrypt|raw_output|mergeable|group|error_handler|type_column))/,

      constant: {
        pattern: /const \w+/i,
        inside: {
          keyword: /const/,
        },
      },

      keyword: /\b(?:break|next|continue|alarm|using|of|add|delete|export|print|return|schedule|when|timeout|addr|any|bool|count|double|enum|file|int|interval|pattern|opaque|port|record|set|string|subnet|table|time|vector|for|if|else|in|module|function)\b/,

      operator: /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&|\|\|?|\?|\*|\/|~|\^|%/,

      number: /\b0x[\da-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i,

      punctuation: /[{}[\];(),.:]/,
    }
  },
}