'use strict'
var refractorScheme = require('./scheme.js')
module.exports = racket
racket.displayName = 'racket'
racket.aliases = ['rkt']
function racket(Prism) {
  Prism.register(refractorScheme)
  Prism.languages.racket = Prism.languages.extend('scheme', {
    'lambda-parameter': {
      // the racket lambda syntax is a lot more complex, so we won't even attempt to capture it.
      // this will just prevent false positives of the `function` pattern
      pattern: /([(\[]lambda\s+[(\[])[^()\[\]'\s]+/,
      lookbehind: true
    }
  })
  Prism.languages.insertBefore('racket', 'string', {
    lang: {
      pattern: /^#lang.+/m,
      greedy: true,
      alias: 'keyword'
    }
  })
  Prism.languages.rkt = Prism.languages.racket
}