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36 lines
1011 B
36 lines
1011 B
10 years ago
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// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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'use strict';
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var $RegExp = global.RegExp;
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// -------------------------------------------------------------------
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// ES6 draft 12-06-13, section 21.2.5.3
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// + https://bugs.ecmascript.org/show_bug.cgi?id=3423
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function RegExpGetFlags() {
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if (!IS_SPEC_OBJECT(this)) {
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throw MakeTypeError('flags_getter_non_object',
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[%ToString(this)]);
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}
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var result = '';
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if (this.global) result += 'g';
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if (this.ignoreCase) result += 'i';
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if (this.multiline) result += 'm';
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if (this.unicode) result += 'u';
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if (this.sticky) result += 'y';
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return result;
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}
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function ExtendRegExpPrototype() {
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%CheckIsBootstrapping();
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%DefineAccessorPropertyUnchecked($RegExp.prototype, 'flags', RegExpGetFlags,
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null, DONT_ENUM);
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%SetNativeFlag(RegExpGetFlags);
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}
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ExtendRegExpPrototype();
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