projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| 9dae56ea A |
1 | /* |
| 2 | * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) | |
| 3 | * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. | |
| 4 | * | |
| 5 | * This library is free software; you can redistribute it and/or | |
| 6 | * modify it under the terms of the GNU Lesser General Public | |
| 7 | * License as published by the Free Software Foundation; either | |
| 8 | * version 2 of the License, or (at your option) any later version. | |
| 9 | * | |
| 10 | * This library is distributed in the hope that it will be useful, | |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | * Lesser General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU Lesser General Public | |
| 16 | * License along with this library; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | * | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef StringObjectThatMasqueradesAsUndefined_h | |
| 22 | #define StringObjectThatMasqueradesAsUndefined_h | |
| 23 | ||
| 24 | #include "JSGlobalObject.h" | |
| 25 | #include "StringObject.h" | |
| 26 | #include "UString.h" | |
| 27 | ||
| 28 | namespace JSC { | |
| 29 | ||
| 30 | // WebCore uses this to make style.filter undetectable | |
| 31 | class StringObjectThatMasqueradesAsUndefined : public StringObject { | |
| 32 | public: | |
| 33 | static StringObjectThatMasqueradesAsUndefined* create(ExecState* exec, const UString& string) | |
| 34 | { | |
| 35 | return new (exec) StringObjectThatMasqueradesAsUndefined(exec, | |
| 36 | createStructure(exec->lexicalGlobalObject()->stringPrototype()), string); | |
| 37 | } | |
| 38 | ||
| 39 | private: | |
| f9bf01c6 | 40 | StringObjectThatMasqueradesAsUndefined(ExecState* exec, NonNullPassRefPtr<Structure> structure, const UString& string) |
| 9dae56ea A |
41 | : StringObject(exec, structure, string) |
| 42 | { | |
| 43 | } | |
| 44 | ||
| ba379fdc | 45 | static PassRefPtr<Structure> createStructure(JSValue proto) |
| 9dae56ea | 46 | { |
| f9bf01c6 | 47 | return Structure::create(proto, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount); |
| 9dae56ea A |
48 | } |
| 49 | ||
| f9bf01c6 A |
50 | static const unsigned StructureFlags = OverridesGetOwnPropertySlot | MasqueradesAsUndefined | OverridesGetPropertyNames | StringObject::StructureFlags; |
| 51 | ||
| 9dae56ea A |
52 | virtual bool toBoolean(ExecState*) const { return false; } |
| 53 | }; | |
| 54 | ||
| 55 | } // namespace JSC | |
| 56 | ||
| 57 | #endif // StringObjectThatMasqueradesAsUndefined_h |