reprism/languages/bison.js

Modular Syntax highlighting for the web

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = {
  language: 'bison',
  init: function init(Prism) {
    Prism.languages.bison = Prism.languages.extend('c', {});

    Prism.languages.insertBefore('bison', 'comment', {
      bison: {
        // This should match all the beginning of the file
        // including the prologue(s), the bison declarations and
        // the grammar rules.
        pattern: /^[\s\S]*?%%[\s\S]*?%%/,
        inside: {
          c: {
            // Allow for one level of nested braces
            pattern: /%\{[\s\S]*?%\}|\{(?:\{[^}]*\}|[^{}])*\}/,
            inside: {
              delimiter: {
                pattern: /^%?\{|%?\}$/,
                alias: 'punctuation'
              },
              'bison-variable': {
                pattern: /[$@](?:<[^\s>]+>)?[\w$]+/,
                alias: 'variable',
                inside: {
                  punctuation: /<|>/
                }
              },
              rest: Prism.languages.c
            }
          },
          comment: Prism.languages.c.comment,
          string: Prism.languages.c.string,
          property: /\S+(?=:)/,
          keyword: /%\w+/,
          number: {
            pattern: /(^|[^@])\b(?:0x[\da-f]+|\d+)/i,
            lookbehind: true
          },
          punctuation: /%[%?]|[|:;\[\]<>]/
        }
      }
    });
  }
};