| 1 | /* |
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| 2 | * Copyright (C) 2009 Apple Inc. All rights reserved. |
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| 3 | * |
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| 4 | * Redistribution and use in source and binary forms, with or without |
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| 5 | * modification, are permitted provided that the following conditions |
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| 6 | * are met: |
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| 7 | * 1. Redistributions of source code must retain the above copyright |
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| 8 | * notice, this list of conditions and the following disclaimer. |
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| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer in the |
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| 11 | * documentation and/or other materials provided with the distribution. |
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| 12 | * |
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| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
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| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
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| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 24 | */ |
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| 25 | |
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| 26 | #ifndef JSZombie_h |
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| 27 | #define JSZombie_h |
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| 28 | |
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| 29 | #include "JSCell.h" |
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| 30 | |
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| 31 | #if ENABLE(JSC_ZOMBIES) |
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| 32 | namespace JSC { |
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| 33 | |
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| 34 | class JSZombie : public JSCell { |
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| 35 | public: |
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| 36 | JSZombie(const ClassInfo* oldInfo, Structure* structure) |
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| 37 | : JSCell(structure) |
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| 38 | , m_oldInfo(oldInfo) |
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| 39 | { |
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| 40 | } |
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| 41 | virtual bool isZombie() const { return true; } |
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| 42 | virtual const ClassInfo* classInfo() const { return &s_info; } |
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| 43 | static Structure* leakedZombieStructure(); |
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| 44 | |
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| 45 | virtual bool isGetterSetter() const { ASSERT_NOT_REACHED(); return false; } |
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| 46 | virtual bool isAPIValueWrapper() const { ASSERT_NOT_REACHED(); return false; } |
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| 47 | virtual bool isPropertyNameIterator() const { ASSERT_NOT_REACHED(); return false; } |
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| 48 | virtual CallType getCallData(CallData&) { ASSERT_NOT_REACHED(); return CallTypeNone; } |
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| 49 | virtual ConstructType getConstructData(ConstructData&) { ASSERT_NOT_REACHED(); return ConstructTypeNone; } |
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| 50 | virtual bool getUInt32(uint32_t&) const { ASSERT_NOT_REACHED(); return false; } |
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| 51 | virtual JSValue toPrimitive(ExecState*, PreferredPrimitiveType) const { ASSERT_NOT_REACHED(); return jsNull(); } |
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| 52 | virtual bool getPrimitiveNumber(ExecState*, double&, JSValue&) { ASSERT_NOT_REACHED(); return false; } |
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| 53 | virtual bool toBoolean(ExecState*) const { ASSERT_NOT_REACHED(); return false; } |
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| 54 | virtual double toNumber(ExecState*) const { ASSERT_NOT_REACHED(); return 0.0; } |
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| 55 | virtual UString toString(ExecState*) const { ASSERT_NOT_REACHED(); return "" ; } |
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| 56 | virtual JSObject* toObject(ExecState*) const { ASSERT_NOT_REACHED(); return 0; } |
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| 57 | virtual void markChildren(MarkStack&) { ASSERT_NOT_REACHED(); } |
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| 58 | virtual void put(ExecState*, const Identifier&, JSValue, PutPropertySlot&) { ASSERT_NOT_REACHED(); } |
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| 59 | virtual void put(ExecState*, unsigned, JSValue) { ASSERT_NOT_REACHED(); } |
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| 60 | virtual bool deleteProperty(ExecState*, const Identifier&) { ASSERT_NOT_REACHED(); return false; } |
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| 61 | virtual bool deleteProperty(ExecState*, unsigned) { ASSERT_NOT_REACHED(); return false; } |
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| 62 | virtual JSObject* toThisObject(ExecState*) const { ASSERT_NOT_REACHED(); return 0; } |
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| 63 | virtual UString toThisString(ExecState*) const { ASSERT_NOT_REACHED(); return "" ; } |
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| 64 | virtual JSString* toThisJSString(ExecState*) { ASSERT_NOT_REACHED(); return 0; } |
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| 65 | virtual JSValue getJSNumber() { ASSERT_NOT_REACHED(); return jsNull(); } |
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| 66 | virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&) { ASSERT_NOT_REACHED(); return false; } |
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| 67 | virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&) { ASSERT_NOT_REACHED(); return false; } |
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| 68 | |
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| 69 | static const ClassInfo s_info; |
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| 70 | private: |
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| 71 | const ClassInfo* m_oldInfo; |
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| 72 | }; |
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| 73 | |
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| 74 | } |
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| 75 | |
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| 76 | #endif // ENABLE(JSC_ZOMBIES) |
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| 77 | |
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| 78 | #endif // JSZombie_h |
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| 79 | |
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