1 /* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef JSZombie_h 27 #define JSZombie_h 28 29 #include "JSCell.h" 30 #include "Structure.h" 31 32 #if ENABLE(JSC_ZOMBIES) 33 namespace JSC { 34 35 class JSZombie : public JSCell { 36 public: 37 JSZombie(JSGlobalData& globalData, const ClassInfo* oldInfo, Structure* structure) 38 : JSCell(globalData, structure) 39 , m_oldInfo(oldInfo) 40 { 41 ASSERT(inherits(&s_info)); 42 } 43 44 virtual bool isZombie() const { return true; } 45 46 virtual bool isGetterSetter() const { ASSERT_NOT_REACHED(); return false; } 47 virtual bool isAPIValueWrapper() const { ASSERT_NOT_REACHED(); return false; } 48 virtual bool isPropertyNameIterator() const { ASSERT_NOT_REACHED(); return false; } 49 virtual CallType getCallData(CallData&) { ASSERT_NOT_REACHED(); return CallTypeNone; } 50 virtual ConstructType getConstructData(ConstructData&) { ASSERT_NOT_REACHED(); return ConstructTypeNone; } 51 virtual bool getUInt32(uint32_t&) const { ASSERT_NOT_REACHED(); return false; } 52 virtual JSValue toPrimitive(ExecState*, PreferredPrimitiveType) const { ASSERT_NOT_REACHED(); return jsNull(); } 53 virtual bool getPrimitiveNumber(ExecState*, double&, JSValue&) { ASSERT_NOT_REACHED(); return false; } 54 virtual bool toBoolean(ExecState*) const { ASSERT_NOT_REACHED(); return false; } 55 virtual double toNumber(ExecState*) const { ASSERT_NOT_REACHED(); return 0.0; } 56 virtual UString toString(ExecState*) const { ASSERT_NOT_REACHED(); return ""; } 57 virtual JSObject* toObject(ExecState*) const { ASSERT_NOT_REACHED(); return 0; } 58 virtual void markChildren(MarkStack&) { ASSERT_NOT_REACHED(); } 59 virtual void put(ExecState*, const Identifier&, JSValue, PutPropertySlot&) { ASSERT_NOT_REACHED(); } 60 virtual void put(ExecState*, unsigned, JSValue) { ASSERT_NOT_REACHED(); } 61 virtual bool deleteProperty(ExecState*, const Identifier&) { ASSERT_NOT_REACHED(); return false; } 62 virtual bool deleteProperty(ExecState*, unsigned) { ASSERT_NOT_REACHED(); return false; } 63 virtual JSObject* toThisObject(ExecState*) const { ASSERT_NOT_REACHED(); return 0; } 64 virtual JSValue toStrictThisObject(ExecState*) const { ASSERT_NOT_REACHED(); return JSValue(); } 65 virtual JSValue getJSNumber() { ASSERT_NOT_REACHED(); return jsNull(); } 66 virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&) { ASSERT_NOT_REACHED(); return false; } 67 virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&) { ASSERT_NOT_REACHED(); return false; } 68 69 static Structure* createStructure(JSGlobalData& globalData, JSValue prototype) 70 { 71 return Structure::create(globalData, prototype, TypeInfo(LeafType, 0), AnonymousSlotCount, &s_info); 72 } 73 74 static const ClassInfo s_info; 75 76 private: 77 const ClassInfo* m_oldInfo; 78 }; 79 80 } 81 82 #endif // ENABLE(JSC_ZOMBIES) 83 84 #endif // JSZombie_h 85
