1// Copyright 2014 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5(function(global, utils) {
6
7'use strict';
8
9%CheckIsBootstrapping();
10
11// -------------------------------------------------------------------
12// Imports
13
14var GlobalRegExp = global.RegExp;
15var GlobalRegExpPrototype = GlobalRegExp.prototype;
16var MakeTypeError;
17var regExpFlagsSymbol = utils.ImportNow("regexp_flags_symbol");
18
19utils.Import(function(from) {
20  MakeTypeError = from.MakeTypeError;
21});
22
23// -------------------------------------------------------------------
24
25// ES6 draft 12-06-13, section 21.2.5.3
26// + https://bugs.ecmascript.org/show_bug.cgi?id=3423
27function RegExpGetFlags() {
28  if (!IS_RECEIVER(this)) {
29    throw MakeTypeError(
30        kRegExpNonObject, "RegExp.prototype.flags", TO_STRING(this));
31  }
32  var result = '';
33  if (this.global) result += 'g';
34  if (this.ignoreCase) result += 'i';
35  if (this.multiline) result += 'm';
36  if (this.unicode) result += 'u';
37  if (this.sticky) result += 'y';
38  return result;
39}
40
41// ES6 21.2.5.12.
42function RegExpGetSticky() {
43  if (!IS_REGEXP(this)) {
44    // Compat fix: RegExp.prototype.sticky == undefined; UseCounter tracks it
45    // TODO(littledan): Remove this workaround or standardize it
46    if (this === GlobalRegExpPrototype) {
47      %IncrementUseCounter(kRegExpPrototypeStickyGetter);
48      return UNDEFINED;
49    }
50    throw MakeTypeError(kRegExpNonRegExp, "RegExp.prototype.sticky");
51  }
52  return !!REGEXP_STICKY(this);
53}
54%FunctionSetName(RegExpGetSticky, "RegExp.prototype.sticky");
55%SetNativeFlag(RegExpGetSticky);
56
57utils.InstallGetter(GlobalRegExp.prototype, 'flags', RegExpGetFlags);
58utils.InstallGetter(GlobalRegExp.prototype, 'sticky', RegExpGetSticky);
59
60})
61