| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| 'use strict'; |
| |
| var $RegExp = global.RegExp; |
| |
| // ------------------------------------------------------------------- |
| |
| // ES6 draft 12-06-13, section 21.2.5.3 |
| // + https://bugs.ecmascript.org/show_bug.cgi?id=3423 |
| function RegExpGetFlags() { |
| if (!IS_SPEC_OBJECT(this)) { |
| throw MakeTypeError('flags_getter_non_object', |
| [%ToString(this)]); |
| } |
| var result = ''; |
| if (this.global) result += 'g'; |
| if (this.ignoreCase) result += 'i'; |
| if (this.multiline) result += 'm'; |
| if (this.unicode) result += 'u'; |
| if (this.sticky) result += 'y'; |
| return result; |
| } |
| |
| function ExtendRegExpPrototype() { |
| %CheckIsBootstrapping(); |
| |
| %DefineAccessorPropertyUnchecked($RegExp.prototype, 'flags', RegExpGetFlags, |
| null, DONT_ENUM); |
| %SetNativeFlag(RegExpGetFlags); |
| } |
| |
| ExtendRegExpPrototype(); |