CodeMirror.defineMode(“javascript”, function(config, parserConfig) {

var indentUnit = config.indentUnit;
var jsonMode = parserConfig.json;

// Tokenizer

var keywords = function(){
  function kw(type) {return {type: type, style: "keyword"};}
  var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");
  var operator = kw("operator"), atom = {type: "atom", style: "atom"};
  return {
    "if": A, "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
    "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C,
    "var": kw("var"), "const": kw("var"), "let": kw("var"),
    "function": kw("function"), "catch": kw("catch"),
    "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
    "in": operator, "typeof": operator, "instanceof": operator,
    "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom
  };
}();

var isOperatorChar = /[+\-*&%=<>!?|]/;

function chain(stream, state, f) {
  state.tokenize = f;
  return f(stream, state);
}

function nextUntilUnescaped(stream, end) {
  var escaped = false, next;
  while ((next = stream.next()) != null) {
    if (next == end && !escaped)
      return false;
    escaped = !escaped && next == "\\";
  }
  return escaped;
}

// Used as scratch variables to communicate multiple values without
// consing up tons of objects.
var type, content;
function ret(tp, style, cont) {
  type = tp; content = cont;
  return style;
}

function jsTokenBase(stream, state) {
  var ch = stream.next();
  if (ch == '"' || ch == "'")
    return chain(stream, state, jsTokenString(ch));
  else if (/[\[\]{}\(\),;\:\.]/.test(ch))
    return ret(ch);
  else if (ch == "0" && stream.eat(/x/i)) {
    stream.eatWhile(/[\da-f]/i);
    return ret("number", "number");
  }      
  else if (/\d/.test(ch)) {
    stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/);
    return ret("number", "number");
  }
  else if (ch == "/") {
    if (stream.eat("*")) {
      return chain(stream, state, jsTokenComment);
    }
    else if (stream.eat("/")) {
      stream.skipToEnd();
      return ret("comment", "comment");
    }
    else if (state.reAllowed) {
      nextUntilUnescaped(stream, "/");
      stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla
      return ret("regexp", "string-2");
    }
    else {
      stream.eatWhile(isOperatorChar);
      return ret("operator", null, stream.current());
    }
  }
  else if (ch == "#") {
      stream.skipToEnd();
      return ret("error", "error");
  }
  else if (isOperatorChar.test(ch)) {
    stream.eatWhile(isOperatorChar);
    return ret("operator", null, stream.current());
  }
  else {
    stream.eatWhile(/[\w\$_]/);
    var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];
    return (known && state.kwAllowed) ? ret(known.type, known.style, word) :
                   ret("variable", "variable", word);
  }
}

function jsTokenString(quote) {
  return function(stream, state) {
    if (!nextUntilUnescaped(stream, quote))
      state.tokenize = jsTokenBase;
    return ret("string", "string");
  };
}

function jsTokenComment(stream, state) {
  var maybeEnd = false, ch;
  while (ch = stream.next()) {
    if (ch == "/" && maybeEnd) {
      state.tokenize = jsTokenBase;
      break;
    }
    maybeEnd = (ch == "*");
  }
  return ret("comment", "comment");
}

// Parser

var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true};

function JSLexical(indented, column, type, align, prev, info) {
  this.indented = indented;
  this.column = column;
  this.type = type;
  this.prev = prev;
  this.info = info;
  if (align != null) this.align = align;
}

function inScope(state, varname) {
  for (var v = state.localVars; v; v = v.next)
    if (v.name == varname) return true;
}

function parseJS(state, style, type, content, stream) {
  var cc = state.cc;
  // Communicate our context to the combinators.
  // (Less wasteful than consing up a hundred closures on every call.)
  cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc;

  if (!state.lexical.hasOwnProperty("align"))
    state.lexical.align = true;

  while(true) {
    var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
    if (combinator(type, content)) {
      while(cc.length && cc[cc.length - 1].lex)
        cc.pop()();
      if (cx.marked) return cx.marked;
      if (type == "variable" && inScope(state, content)) return "variable-2";
      return style;
    }
  }
}

// Combinator utils

var cx = {state: null, column: null, marked: null, cc: null};
function pass() {
  for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
}
function cont() {
  pass.apply(null, arguments);
  return true;
}
function register(varname) {
  var state = cx.state;
  if (state.context) {
    cx.marked = "def";
    for (var v = state.localVars; v; v = v.next)
      if (v.name == varname) return;
    state.localVars = {name: varname, next: state.localVars};
  }
}

// Combinators

var defaultVars = {name: "this", next: {name: "arguments"}};
function pushcontext() {
  if (!cx.state.context) cx.state.localVars = defaultVars;
  cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
}
function popcontext() {
  cx.state.localVars = cx.state.context.vars;
  cx.state.context = cx.state.context.prev;
}
function pushlex(type, info) {
  var result = function() {
    var state = cx.state;
    state.lexical = new JSLexical(state.indented, cx.stream.column(), type, null, state.lexical, info)
  };
  result.lex = true;
  return result;
}
function poplex() {
  var state = cx.state;
  if (state.lexical.prev) {
    if (state.lexical.type == ")")
      state.indented = state.lexical.indented;
    state.lexical = state.lexical.prev;
  }
}
poplex.lex = true;

function expect(wanted) {
  return function expecting(type) {
    if (type == wanted) return cont();
    else if (wanted == ";") return pass();
    else return cont(arguments.callee);
  };
}

function statement(type) {
  if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex);
  if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);
  if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
  if (type == "{") return cont(pushlex("}"), block, poplex);
  if (type == ";") return cont();
  if (type == "function") return cont(functiondef);
  if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"),
                                    poplex, statement, poplex);
  if (type == "variable") return cont(pushlex("stat"), maybelabel);
  if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),
                                       block, poplex, poplex);
  if (type == "case") return cont(expression, expect(":"));
  if (type == "default") return cont(expect(":"));
  if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
                                      statement, poplex, popcontext);
  return pass(pushlex("stat"), expression, expect(";"), poplex);
}
function expression(type) {
  if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator);
  if (type == "function") return cont(functiondef);
  if (type == "keyword c") return cont(maybeexpression);
  if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeoperator);
  if (type == "operator") return cont(expression);
  if (type == "[") return cont(pushlex("]"), commasep(expression, "]"), poplex, maybeoperator);
  if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator);
  return cont();
}
function maybeexpression(type) {
  if (type.match(/[;\}\)\],]/)) return pass();
  return pass(expression);
}

function maybeoperator(type, value) {
  if (type == "operator" && /\+\+|--/.test(value)) return cont(maybeoperator);
  if (type == "operator" || type == ":") return cont(expression);
  if (type == ";") return;
  if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator);
  if (type == ".") return cont(property, maybeoperator);
  if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator);
}
function maybelabel(type) {
  if (type == ":") return cont(poplex, statement);
  return pass(maybeoperator, expect(";"), poplex);
}
function property(type) {
  if (type == "variable") {cx.marked = "property"; return cont();}
}
function objprop(type) {
  if (type == "variable") cx.marked = "property";
  if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression);
}
function commasep(what, end) {
  function proceed(type) {
    if (type == ",") return cont(what, proceed);
    if (type == end) return cont();
    return cont(expect(end));
  }
  return function commaSeparated(type) {
    if (type == end) return cont();
    else return pass(what, proceed);
  };
}
function block(type) {
  if (type == "}") return cont();
  return pass(statement, block);
}
function vardef1(type, value) {
  if (type == "variable"){register(value); return cont(vardef2);}
  return cont();
}
function vardef2(type, value) {
  if (value == "=") return cont(expression, vardef2);
  if (type == ",") return cont(vardef1);
}
function forspec1(type) {
  if (type == "var") return cont(vardef1, forspec2);
  if (type == ";") return pass(forspec2);
  if (type == "variable") return cont(formaybein);
  return pass(forspec2);
}
function formaybein(type, value) {
  if (value == "in") return cont(expression);
  return cont(maybeoperator, forspec2);
}
function forspec2(type, value) {
  if (type == ";") return cont(forspec3);
  if (value == "in") return cont(expression);
  return cont(expression, expect(";"), forspec3);
}
function forspec3(type) {
  if (type != ")") cont(expression);
}
function functiondef(type, value) {
  if (type == "variable") {register(value); return cont(functiondef);}
  if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, statement, popcontext);
}
function funarg(type, value) {
  if (type == "variable") {register(value); return cont();}
}

// Interface

return {
  startState: function(basecolumn) {
    return {
      tokenize: jsTokenBase,
      reAllowed: true,
      kwAllowed: true,
      cc: [],
      lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
      localVars: parserConfig.localVars,
      context: parserConfig.localVars && {vars: parserConfig.localVars},
      indented: 0
    };
  },

  token: function(stream, state) {
    if (stream.sol()) {
      if (!state.lexical.hasOwnProperty("align"))
        state.lexical.align = false;
      state.indented = stream.indentation();
    }
    if (stream.eatSpace()) return null;
    var style = state.tokenize(stream, state);
    if (type == "comment") return style;
    state.reAllowed = !!(type == "operator" || type == "keyword c" || type.match(/^[\[{}\(,;:]$/));
    state.kwAllowed = type != '.';
    return parseJS(state, style, type, content, stream);
  },

  indent: function(state, textAfter) {
    if (state.tokenize != jsTokenBase) return 0;
    var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical;
    if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev;
    var type = lexical.type, closing = firstChar == type;
    if (type == "vardef") return lexical.indented + 4;
    else if (type == "form" && firstChar == "{") return lexical.indented;
    else if (type == "stat" || type == "form") return lexical.indented + indentUnit;
    else if (lexical.info == "switch" && !closing)
      return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
    else if (lexical.align) return lexical.column + (closing ? 0 : 1);
    else return lexical.indented + (closing ? 0 : indentUnit);
  },

  electricChars: ":{}"
};

});

CodeMirror.defineMIME(“text/javascript”, “javascript”); CodeMirror.defineMIME(“application/json”, {name: “javascript”, json: true});