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      1 /*
      2  * Copyright (C) 2003, 2008, 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 COMPUTER, 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 COMPUTER, 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 KJS_RUNTIME_OBJECT_H
     27 #define KJS_RUNTIME_OBJECT_H
     28 
     29 #include "Bridge.h"
     30 #include <runtime/JSGlobalObject.h>
     31 
     32 namespace JSC {
     33 
     34 class RuntimeObjectImp : public JSObject {
     35 public:
     36     RuntimeObjectImp(ExecState*, PassRefPtr<Bindings::Instance>);
     37     virtual ~RuntimeObjectImp();
     38 
     39     virtual bool getOwnPropertySlot(ExecState*, const Identifier& propertyName, PropertySlot&);
     40     virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier& propertyName, PropertyDescriptor&);
     41     virtual void put(ExecState*, const Identifier& propertyName, JSValue, PutPropertySlot&);
     42     virtual bool deleteProperty(ExecState*, const Identifier& propertyName);
     43     virtual JSValue defaultValue(ExecState*, PreferredPrimitiveType) const;
     44     virtual CallType getCallData(CallData&);
     45     virtual ConstructType getConstructData(ConstructData&);
     46 
     47     virtual void getOwnPropertyNames(ExecState*, PropertyNameArray&, EnumerationMode mode = ExcludeDontEnumProperties);
     48 
     49     void invalidate();
     50 
     51     Bindings::Instance* getInternalInstance() const { return m_instance.get(); }
     52 
     53     static JSObject* throwInvalidAccessError(ExecState*);
     54 
     55     static const ClassInfo s_info;
     56 
     57     static ObjectPrototype* createPrototype(ExecState*, JSGlobalObject* globalObject)
     58     {
     59         return globalObject->objectPrototype();
     60     }
     61 
     62     static PassRefPtr<Structure> createStructure(JSValue prototype)
     63     {
     64         return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount);
     65     }
     66 
     67 protected:
     68     static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesGetPropertyNames | JSObject::StructureFlags;
     69     RuntimeObjectImp(ExecState*, NonNullPassRefPtr<Structure>, PassRefPtr<Bindings::Instance>);
     70 
     71 private:
     72     virtual const ClassInfo* classInfo() const { return &s_info; }
     73 
     74     static JSValue fallbackObjectGetter(ExecState*, const Identifier&, const PropertySlot&);
     75     static JSValue fieldGetter(ExecState*, const Identifier&, const PropertySlot&);
     76     static JSValue methodGetter(ExecState*, const Identifier&, const PropertySlot&);
     77 
     78     RefPtr<Bindings::Instance> m_instance;
     79 };
     80 
     81 } // namespace
     82 
     83 #endif
     84