wcfsetup/install/files/js/3rdParty/codemirror/mode/javascript/javascript.js

   1 // TODO actually recognize syntax of TypeScript constructs
   2
   3 (function(mod) {
   4   if (typeof exports == "object" && typeof module == "object") // CommonJS
   5     mod(require("../../lib/codemirror"));
   6   else if (typeof define == "function" && define.amd) // AMD
   7     define(["../../lib/codemirror"], mod);
   8   else // Plain browser env
   9     mod(CodeMirror);
  10 })(function(CodeMirror) {
  11 "use strict";
  12
  13 CodeMirror.defineMode("javascript", function(config, parserConfig) {
  14   var indentUnit = config.indentUnit;
  15   var statementIndent = parserConfig.statementIndent;
  16   var jsonldMode = parserConfig.jsonld;
  17   var jsonMode = parserConfig.json || jsonldMode;
  18   var isTS = parserConfig.typescript;
  19
  20   // Tokenizer
  21
  22   var keywords = function(){
  23     function kw(type) {return {type: type, style: "keyword"};}
  24     var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");
  25     var operator = kw("operator"), atom = {type: "atom", style: "atom"};
  26
  27     var jsKeywords = {
  28       "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
  29       "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C, "debugger": C,
  30       "var": kw("var"), "const": kw("var"), "let": kw("var"),
  31       "function": kw("function"), "catch": kw("catch"),
  32       "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
  33       "in": operator, "typeof": operator, "instanceof": operator,
  34       "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom,
  35       "this": kw("this"), "module": kw("module"), "class": kw("class"), "super": kw("atom"),
  36       "yield": C, "export": kw("export"), "import": kw("import"), "extends": C
  37     };
  38
  39     // Extend the 'normal' keywords with the TypeScript language extensions
  40     if (isTS) {
  41       var type = {type: "variable", style: "variable-3"};
  42       var tsKeywords = {
  43         // object-like things
  44         "interface": kw("interface"),
  45         "extends": kw("extends"),
  46         "constructor": kw("constructor"),
  47
  48         // scope modifiers
  49         "public": kw("public"),
  50         "private": kw("private"),
  51         "protected": kw("protected"),
  52         "static": kw("static"),
  53
  54         // types
  55         "string": type, "number": type, "bool": type, "any": type
  56       };
  57
  58       for (var attr in tsKeywords) {
  59         jsKeywords[attr] = tsKeywords[attr];
  60       }
  61     }
  62
  63     return jsKeywords;
  64   }();
  65
  66   var isOperatorChar = /[+\-*&%=<>!?|~^]/;
  67   var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/;
  68
  69   function readRegexp(stream) {
  70     var escaped = false, next, inSet = false;
  71     while ((next = stream.next()) != null) {
  72       if (!escaped) {
  73         if (next == "/" && !inSet) return;
  74         if (next == "[") inSet = true;
  75         else if (inSet && next == "]") inSet = false;
  76       }
  77       escaped = !escaped && next == "\\";
  78     }
  79   }
  80
  81   // Used as scratch variables to communicate multiple values without
  82   // consing up tons of objects.
  83   var type, content;
  84   function ret(tp, style, cont) {
  85     type = tp; content = cont;
  86     return style;
  87   }
  88   function tokenBase(stream, state) {
  89     var ch = stream.next();
  90     if (ch == '"' || ch == "'") {
  91       state.tokenize = tokenString(ch);
  92       return state.tokenize(stream, state);
  93     } else if (ch == "." && stream.match(/^\d+(?:[eE][+\-]?\d+)?/)) {
  94       return ret("number", "number");
  95     } else if (ch == "." && stream.match("..")) {
  96       return ret("spread", "meta");
  97     } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
  98       return ret(ch);
  99     } else if (ch == "=" && stream.eat(">")) {
 100       return ret("=>", "operator");
 101     } else if (ch == "0" && stream.eat(/x/i)) {
 102       stream.eatWhile(/[\da-f]/i);
 103       return ret("number", "number");
 104     } else if (/\d/.test(ch)) {
 105       stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/);
 106       return ret("number", "number");
 107     } else if (ch == "/") {
 108       if (stream.eat("*")) {
 109         state.tokenize = tokenComment;
 110         return tokenComment(stream, state);
 111       } else if (stream.eat("/")) {
 112         stream.skipToEnd();
 113         return ret("comment", "comment");
 114       } else if (state.lastType == "operator" || state.lastType == "keyword c" ||
 115                state.lastType == "sof" || /^[\[{}\(,;:]$/.test(state.lastType)) {
 116         readRegexp(stream);
 117         stream.eatWhile(/[gimy]/); // 'y' is "sticky" option in Mozilla
 118         return ret("regexp", "string-2");
 119       } else {
 120         stream.eatWhile(isOperatorChar);
 121         return ret("operator", "operator", stream.current());
 122       }
 123     } else if (ch == "`") {
 124       state.tokenize = tokenQuasi;
 125       return tokenQuasi(stream, state);
 126     } else if (ch == "#") {
 127       stream.skipToEnd();
 128       return ret("error", "error");
 129     } else if (isOperatorChar.test(ch)) {
 130       stream.eatWhile(isOperatorChar);
 131       return ret("operator", "operator", stream.current());
 132     } else {
 133       stream.eatWhile(/[\w\$_]/);
 134       var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];
 135       return (known && state.lastType != ".") ? ret(known.type, known.style, word) :
 136                      ret("variable", "variable", word);
 137     }
 138   }
 139
 140   function tokenString(quote) {
 141     return function(stream, state) {
 142       var escaped = false, next;
 143       if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){
 144         state.tokenize = tokenBase;
 145         return ret("jsonld-keyword", "meta");
 146       }
 147       while ((next = stream.next()) != null) {
 148         if (next == quote && !escaped) break;
 149         escaped = !escaped && next == "\\";
 150       }
 151       if (!escaped) state.tokenize = tokenBase;
 152       return ret("string", "string");
 153     };
 154   }
 155
 156   function tokenComment(stream, state) {
 157     var maybeEnd = false, ch;
 158     while (ch = stream.next()) {
 159       if (ch == "/" && maybeEnd) {
 160         state.tokenize = tokenBase;
 161         break;
 162       }
 163       maybeEnd = (ch == "*");
 164     }
 165     return ret("comment", "comment");
 166   }
 167
 168   function tokenQuasi(stream, state) {
 169     var escaped = false, next;
 170     while ((next = stream.next()) != null) {
 171       if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) {
 172         state.tokenize = tokenBase;
 173         break;
 174       }
 175       escaped = !escaped && next == "\\";
 176     }
 177     return ret("quasi", "string-2", stream.current());
 178   }
 179
 180   var brackets = "([{}])";
 181   // This is a crude lookahead trick to try and notice that we're
 182   // parsing the argument patterns for a fat-arrow function before we
 183   // actually hit the arrow token. It only works if the arrow is on
 184   // the same line as the arguments and there's no strange noise
 185   // (comments) in between. Fallback is to only notice when we hit the
 186   // arrow, and not declare the arguments as locals for the arrow
 187   // body.
 188   function findFatArrow(stream, state) {
 189     if (state.fatArrowAt) state.fatArrowAt = null;
 190     var arrow = stream.string.indexOf("=>", stream.start);
 191     if (arrow < 0) return;
 192
 193     var depth = 0, sawSomething = false;
 194     for (var pos = arrow - 1; pos >= 0; --pos) {
 195       var ch = stream.string.charAt(pos);
 196       var bracket = brackets.indexOf(ch);
 197       if (bracket >= 0 && bracket < 3) {
 198         if (!depth) { ++pos; break; }
 199         if (--depth == 0) break;
 200       } else if (bracket >= 3 && bracket < 6) {
 201         ++depth;
 202       } else if (/[$\w]/.test(ch)) {
 203         sawSomething = true;
 204       } else if (sawSomething && !depth) {
 205         ++pos;
 206         break;
 207       }
 208     }
 209     if (sawSomething && !depth) state.fatArrowAt = pos;
 210   }
 211
 212   // Parser
 213
 214   var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true};
 215
 216   function JSLexical(indented, column, type, align, prev, info) {
 217     this.indented = indented;
 218     this.column = column;
 219     this.type = type;
 220     this.prev = prev;
 221     this.info = info;
 222     if (align != null) this.align = align;
 223   }
 224
 225   function inScope(state, varname) {
 226     for (var v = state.localVars; v; v = v.next)
 227       if (v.name == varname) return true;
 228     for (var cx = state.context; cx; cx = cx.prev) {
 229       for (var v = cx.vars; v; v = v.next)
 230         if (v.name == varname) return true;
 231     }
 232   }
 233
 234   function parseJS(state, style, type, content, stream) {
 235     var cc = state.cc;
 236     // Communicate our context to the combinators.
 237     // (Less wasteful than consing up a hundred closures on every call.)
 238     cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc;
 239
 240     if (!state.lexical.hasOwnProperty("align"))
 241       state.lexical.align = true;
 242
 243     while(true) {
 244       var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
 245       if (combinator(type, content)) {
 246         while(cc.length && cc[cc.length - 1].lex)
 247           cc.pop()();
 248         if (cx.marked) return cx.marked;
 249         if (type == "variable" && inScope(state, content)) return "variable-2";
 250         return style;
 251       }
 252     }
 253   }
 254
 255   // Combinator utils
 256
 257   var cx = {state: null, column: null, marked: null, cc: null};
 258   function pass() {
 259     for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
 260   }
 261   function cont() {
 262     pass.apply(null, arguments);
 263     return true;
 264   }
 265   function register(varname) {
 266     function inList(list) {
 267       for (var v = list; v; v = v.next)
 268         if (v.name == varname) return true;
 269       return false;
 270     }
 271     var state = cx.state;
 272     if (state.context) {
 273       cx.marked = "def";
 274       if (inList(state.localVars)) return;
 275       state.localVars = {name: varname, next: state.localVars};
 276     } else {
 277       if (inList(state.globalVars)) return;
 278       if (parserConfig.globalVars)
 279         state.globalVars = {name: varname, next: state.globalVars};
 280     }
 281   }
 282
 283   // Combinators
 284
 285   var defaultVars = {name: "this", next: {name: "arguments"}};
 286   function pushcontext() {
 287     cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
 288     cx.state.localVars = defaultVars;
 289   }
 290   function popcontext() {
 291     cx.state.localVars = cx.state.context.vars;
 292     cx.state.context = cx.state.context.prev;
 293   }
 294   function pushlex(type, info) {
 295     var result = function() {
 296       var state = cx.state, indent = state.indented;
 297       if (state.lexical.type == "stat") indent = state.lexical.indented;
 298       state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info);
 299     };
 300     result.lex = true;
 301     return result;
 302   }
 303   function poplex() {
 304     var state = cx.state;
 305     if (state.lexical.prev) {
 306       if (state.lexical.type == ")")
 307         state.indented = state.lexical.indented;
 308       state.lexical = state.lexical.prev;
 309     }
 310   }
 311   poplex.lex = true;
 312
 313   function expect(wanted) {
 314     function exp(type) {
 315       if (type == wanted) return cont();
 316       else if (wanted == ";") return pass();
 317       else return cont(exp);
 318     };
 319     return exp;
 320   }
 321
 322   function statement(type, value) {
 323     if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex);
 324     if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);
 325     if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
 326     if (type == "{") return cont(pushlex("}"), block, poplex);
 327     if (type == ";") return cont();
 328     if (type == "if") return cont(pushlex("form"), expression, statement, poplex, maybeelse);
 329     if (type == "function") return cont(functiondef);
 330     if (type == "for") return cont(pushlex("form"), forspec, statement, poplex);
 331     if (type == "variable") return cont(pushlex("stat"), maybelabel);
 332     if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),
 333                                       block, poplex, poplex);
 334     if (type == "case") return cont(expression, expect(":"));
 335     if (type == "default") return cont(expect(":"));
 336     if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
 337                                      statement, poplex, popcontext);
 338     if (type == "module") return cont(pushlex("form"), pushcontext, afterModule, popcontext, poplex);
 339     if (type == "class") return cont(pushlex("form"), className, objlit, poplex);
 340     if (type == "export") return cont(pushlex("form"), afterExport, poplex);
 341     if (type == "import") return cont(pushlex("form"), afterImport, poplex);
 342     return pass(pushlex("stat"), expression, expect(";"), poplex);
 343   }
 344   function expression(type) {
 345     return expressionInner(type, false);
 346   }
 347   function expressionNoComma(type) {
 348     return expressionInner(type, true);
 349   }
 350   function expressionInner(type, noComma) {
 351     if (cx.state.fatArrowAt == cx.stream.start) {
 352       var body = noComma ? arrowBodyNoComma : arrowBody;
 353       if (type == "(") return cont(pushcontext, pushlex(")"), commasep(pattern, ")"), poplex, expect("=>"), body, popcontext);
 354       else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext);
 355     }
 356
 357     var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;
 358     if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);
 359     if (type == "function") return cont(functiondef);
 360     if (type == "keyword c") return cont(noComma ? maybeexpressionNoComma : maybeexpression);
 361     if (type == "(") return cont(pushlex(")"), maybeexpression, comprehension, expect(")"), poplex, maybeop);
 362     if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression);
 363     if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop);
 364     if (type == "{") return contCommasep(objprop, "}", null, maybeop);
 365     return cont();
 366   }
 367   function maybeexpression(type) {
 368     if (type.match(/[;\}\)\],]/)) return pass();
 369     return pass(expression);
 370   }
 371   function maybeexpressionNoComma(type) {
 372     if (type.match(/[;\}\)\],]/)) return pass();
 373     return pass(expressionNoComma);
 374   }
 375
 376   function maybeoperatorComma(type, value) {
 377     if (type == ",") return cont(expression);
 378     return maybeoperatorNoComma(type, value, false);
 379   }
 380   function maybeoperatorNoComma(type, value, noComma) {
 381     var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma;
 382     var expr = noComma == false ? expression : expressionNoComma;
 383     if (value == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);
 384     if (type == "operator") {
 385       if (/\+\+|--/.test(value)) return cont(me);
 386       if (value == "?") return cont(expression, expect(":"), expr);
 387       return cont(expr);
 388     }
 389     if (type == "quasi") { cx.cc.push(me); return quasi(value); }
 390     if (type == ";") return;
 391     if (type == "(") return contCommasep(expressionNoComma, ")", "call", me);
 392     if (type == ".") return cont(property, me);
 393     if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me);
 394   }
 395   function quasi(value) {
 396     if (value.slice(value.length - 2) != "${") return cont();
 397     return cont(expression, continueQuasi);
 398   }
 399   function continueQuasi(type) {
 400     if (type == "}") {
 401       cx.marked = "string-2";
 402       cx.state.tokenize = tokenQuasi;
 403       return cont();
 404     }
 405   }
 406   function arrowBody(type) {
 407     findFatArrow(cx.stream, cx.state);
 408     if (type == "{") return pass(statement);
 409     return pass(expression);
 410   }
 411   function arrowBodyNoComma(type) {
 412     findFatArrow(cx.stream, cx.state);
 413     if (type == "{") return pass(statement);
 414     return pass(expressionNoComma);
 415   }
 416   function maybelabel(type) {
 417     if (type == ":") return cont(poplex, statement);
 418     return pass(maybeoperatorComma, expect(";"), poplex);
 419   }
 420   function property(type) {
 421     if (type == "variable") {cx.marked = "property"; return cont();}
 422   }
 423   function objprop(type, value) {
 424     if (type == "variable") {
 425       cx.marked = "property";
 426       if (value == "get" || value == "set") return cont(getterSetter);
 427     } else if (type == "number" || type == "string") {
 428       cx.marked = jsonldMode ? "property" : (type + " property");
 429     } else if (type == "[") {
 430       return cont(expression, expect("]"), afterprop);
 431     }
 432     if (atomicTypes.hasOwnProperty(type)) return cont(afterprop);
 433   }
 434   function getterSetter(type) {
 435     if (type != "variable") return pass(afterprop);
 436     cx.marked = "property";
 437     return cont(functiondef);
 438   }
 439   function afterprop(type) {
 440     if (type == ":") return cont(expressionNoComma);
 441     if (type == "(") return pass(functiondef);
 442   }
 443   function commasep(what, end) {
 444     function proceed(type) {
 445       if (type == ",") {
 446         var lex = cx.state.lexical;
 447         if (lex.info == "call") lex.pos = (lex.pos || 0) + 1;
 448         return cont(what, proceed);
 449       }
 450       if (type == end) return cont();
 451       return cont(expect(end));
 452     }
 453     return function(type) {
 454       if (type == end) return cont();
 455       return pass(what, proceed);
 456     };
 457   }
 458   function contCommasep(what, end, info) {
 459     for (var i = 3; i < arguments.length; i++)
 460       cx.cc.push(arguments[i]);
 461     return cont(pushlex(end, info), commasep(what, end), poplex);
 462   }
 463   function block(type) {
 464     if (type == "}") return cont();
 465     return pass(statement, block);
 466   }
 467   function maybetype(type) {
 468     if (isTS && type == ":") return cont(typedef);
 469   }
 470   function typedef(type) {
 471     if (type == "variable"){cx.marked = "variable-3"; return cont();}
 472   }
 473   function vardef() {
 474     return pass(pattern, maybetype, maybeAssign, vardefCont);
 475   }
 476   function pattern(type, value) {
 477     if (type == "variable") { register(value); return cont(); }
 478     if (type == "[") return contCommasep(pattern, "]");
 479     if (type == "{") return contCommasep(proppattern, "}");
 480   }
 481   function proppattern(type, value) {
 482     if (type == "variable" && !cx.stream.match(/^\s*:/, false)) {
 483       register(value);
 484       return cont(maybeAssign);
 485     }
 486     if (type == "variable") cx.marked = "property";
 487     return cont(expect(":"), pattern, maybeAssign);
 488   }
 489   function maybeAssign(_type, value) {
 490     if (value == "=") return cont(expressionNoComma);
 491   }
 492   function vardefCont(type) {
 493     if (type == ",") return cont(vardef);
 494   }
 495   function maybeelse(type, value) {
 496     if (type == "keyword b" && value == "else") return cont(pushlex("form"), statement, poplex);
 497   }
 498   function forspec(type) {
 499     if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex);
 500   }
 501   function forspec1(type) {
 502     if (type == "var") return cont(vardef, expect(";"), forspec2);
 503     if (type == ";") return cont(forspec2);
 504     if (type == "variable") return cont(formaybeinof);
 505     return pass(expression, expect(";"), forspec2);
 506   }
 507   function formaybeinof(_type, value) {
 508     if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); }
 509     return cont(maybeoperatorComma, forspec2);
 510   }
 511   function forspec2(type, value) {
 512     if (type == ";") return cont(forspec3);
 513     if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); }
 514     return pass(expression, expect(";"), forspec3);
 515   }
 516   function forspec3(type) {
 517     if (type != ")") cont(expression);
 518   }
 519   function functiondef(type, value) {
 520     if (value == "*") {cx.marked = "keyword"; return cont(functiondef);}
 521     if (type == "variable") {register(value); return cont(functiondef);}
 522     if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, statement, popcontext);
 523   }
 524   function funarg(type) {
 525     if (type == "spread") return cont(funarg);
 526     return pass(pattern, maybetype);
 527   }
 528   function className(type, value) {
 529     if (type == "variable") {register(value); return cont(classNameAfter);}
 530   }
 531   function classNameAfter(_type, value) {
 532     if (value == "extends") return cont(expression);
 533   }
 534   function objlit(type) {
 535     if (type == "{") return contCommasep(objprop, "}");
 536   }
 537   function afterModule(type, value) {
 538     if (type == "string") return cont(statement);
 539     if (type == "variable") { register(value); return cont(maybeFrom); }
 540   }
 541   function afterExport(_type, value) {
 542     if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); }
 543     if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); }
 544     return pass(statement);
 545   }
 546   function afterImport(type) {
 547     if (type == "string") return cont();
 548     return pass(importSpec, maybeFrom);
 549   }
 550   function importSpec(type, value) {
 551     if (type == "{") return contCommasep(importSpec, "}");
 552     if (type == "variable") register(value);
 553     return cont();
 554   }
 555   function maybeFrom(_type, value) {
 556     if (value == "from") { cx.marked = "keyword"; return cont(expression); }
 557   }
 558   function arrayLiteral(type) {
 559     if (type == "]") return cont();
 560     return pass(expressionNoComma, maybeArrayComprehension);
 561   }
 562   function maybeArrayComprehension(type) {
 563     if (type == "for") return pass(comprehension, expect("]"));
 564     if (type == ",") return cont(commasep(expressionNoComma, "]"));
 565     return pass(commasep(expressionNoComma, "]"));
 566   }
 567   function comprehension(type) {
 568     if (type == "for") return cont(forspec, comprehension);
 569     if (type == "if") return cont(expression, comprehension);
 570   }
 571
 572   // Interface
 573
 574   return {
 575     startState: function(basecolumn) {
 576       var state = {
 577         tokenize: tokenBase,
 578         lastType: "sof",
 579         cc: [],
 580         lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
 581         localVars: parserConfig.localVars,
 582         context: parserConfig.localVars && {vars: parserConfig.localVars},
 583         indented: 0
 584       };
 585       if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
 586         state.globalVars = parserConfig.globalVars;
 587       return state;
 588     },
 589
 590     token: function(stream, state) {
 591       if (stream.sol()) {
 592         if (!state.lexical.hasOwnProperty("align"))
 593           state.lexical.align = false;
 594         state.indented = stream.indentation();
 595         findFatArrow(stream, state);
 596       }
 597       if (state.tokenize != tokenComment && stream.eatSpace()) return null;
 598       var style = state.tokenize(stream, state);
 599       if (type == "comment") return style;
 600       state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type;
 601       return parseJS(state, style, type, content, stream);
 602     },
 603
 604     indent: function(state, textAfter) {
 605       if (state.tokenize == tokenComment) return CodeMirror.Pass;
 606       if (state.tokenize != tokenBase) return 0;
 607       var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical;
 608       // Kludge to prevent 'maybelse' from blocking lexical scope pops
 609       for (var i = state.cc.length - 1; i >= 0; --i) {
 610         var c = state.cc[i];
 611         if (c == poplex) lexical = lexical.prev;
 612         else if (c != maybeelse) break;
 613       }
 614       if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev;
 615       if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat")
 616         lexical = lexical.prev;
 617       var type = lexical.type, closing = firstChar == type;
 618
 619       if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info + 1 : 0);
 620       else if (type == "form" && firstChar == "{") return lexical.indented;
 621       else if (type == "form") return lexical.indented + indentUnit;
 622       else if (type == "stat")
 623         return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? statementIndent || indentUnit : 0);
 624       else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false)
 625         return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
 626       else if (lexical.align) return lexical.column + (closing ? 0 : 1);
 627       else return lexical.indented + (closing ? 0 : indentUnit);
 628     },
 629
 630     electricChars: ":{}",
 631     blockCommentStart: jsonMode ? null : "/*",
 632     blockCommentEnd: jsonMode ? null : "*/",
 633     lineComment: jsonMode ? null : "//",
 634     fold: "brace",
 635
 636     helperType: jsonMode ? "json" : "javascript",
 637     jsonldMode: jsonldMode,
 638     jsonMode: jsonMode
 639   };
 640 });
 641
 642 CodeMirror.defineMIME("text/javascript", "javascript");
 643 CodeMirror.defineMIME("text/ecmascript", "javascript");
 644 CodeMirror.defineMIME("application/javascript", "javascript");
 645 CodeMirror.defineMIME("application/ecmascript", "javascript");
 646 CodeMirror.defineMIME("application/json", {name: "javascript", json: true});
 647 CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true});
 648 CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true});
 649 CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true });
 650 CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true });
 651
 652 });