// CodeMirror, copyright © by Marijn Haverbeke and others // Distributed under an MIT license: codemirror.net/LICENSE

(function(mod) {

if (typeof exports == "object" && typeof module == "object") // CommonJS
  mod(require("../../lib/codemirror"), require("../javascript/javascript"));
else if (typeof define == "function" && define.amd) // AMD
  define(["../../lib/codemirror", "../javascript/javascript"], mod);
else // Plain browser env
  mod(CodeMirror);

})(function(CodeMirror) { “use strict”;

CodeMirror.defineMode(“pegjs”, function (config) {

var jsMode = CodeMirror.getMode(config, "javascript");

function identifier(stream) {
  return stream.match(/^[a-zA-Z_][a-zA-Z0-9_]*/);
}

return {
  startState: function () {
    return {
      inString: false,
      stringType: null,
      inComment: false,
      inCharacterClass: false,
      braced: 0,
      lhs: true,
      localState: null
    };
  },
  token: function (stream, state) {
    if (stream)

    //check for state changes
    if (!state.inString && !state.inComment && ((stream.peek() == '"') || (stream.peek() == "'"))) {
      state.stringType = stream.peek();
      stream.next(); // Skip quote
      state.inString = true; // Update state
    }
    if (!state.inString && !state.inComment && stream.match(/^\/\*/)) {
      state.inComment = true;
    }

    //return state
    if (state.inString) {
      while (state.inString && !stream.eol()) {
        if (stream.peek() === state.stringType) {
          stream.next(); // Skip quote
          state.inString = false; // Clear flag
        } else if (stream.peek() === '\\') {
          stream.next();
          stream.next();
        } else {
          stream.match(/^.[^\\\"\']*/);
        }
      }
      return state.lhs ? "property string" : "string"; // Token style
    } else if (state.inComment) {
      while (state.inComment && !stream.eol()) {
        if (stream.match(/\*\//)) {
          state.inComment = false; // Clear flag
        } else {
          stream.match(/^.[^\*]*/);
        }
      }
      return "comment";
    } else if (state.inCharacterClass) {
        while (state.inCharacterClass && !stream.eol()) {
          if (!(stream.match(/^[^\]\\]+/) || stream.match(/^\\./))) {
            state.inCharacterClass = false;
          }
        }
    } else if (stream.peek() === '[') {
      stream.next();
      state.inCharacterClass = true;
      return 'bracket';
    } else if (stream.match(/^\/\//)) {
      stream.skipToEnd();
      return "comment";
    } else if (state.braced || stream.peek() === '{') {
      if (state.localState === null) {
        state.localState = CodeMirror.startState(jsMode);
      }
      var token = jsMode.token(stream, state.localState);
      var text = stream.current();
      if (!token) {
        for (var i = 0; i < text.length; i++) {
          if (text[i] === '{') {
            state.braced++;
          } else if (text[i] === '}') {
            state.braced--;
          }
        };
      }
      return token;
    } else if (identifier(stream)) {
      if (stream.peek() === ':') {
        return 'variable';
      }
      return 'variable-2';
    } else if (['[', ']', '(', ')'].indexOf(stream.peek()) != -1) {
      stream.next();
      return 'bracket';
    } else if (!stream.eatSpace()) {
      stream.next();
    }
    return null;
  }
};

}, “javascript”);

});