Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 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 | |
| 14 | var GlobalRegExp = global.RegExp; |
| 15 | var GlobalRegExpPrototype = GlobalRegExp.prototype; |
| 16 | var MakeTypeError; |
| 17 | var regExpFlagsSymbol = utils.ImportNow("regexp_flags_symbol"); |
| 18 | |
| 19 | utils.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 |
| 27 | function 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. |
| 42 | function 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 | |
| 57 | utils.InstallGetter(GlobalRegExp.prototype, 'flags', RegExpGetFlags); |
| 58 | utils.InstallGetter(GlobalRegExp.prototype, 'sticky', RegExpGetSticky); |
| 59 | |
| 60 | }) |