/*
- * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
*
* Redistribution and use in source and binary forms, with or without
#include "JSObjectRef.h"
#include "JSValueRef.h"
#include "JSObject.h"
+#include <wtf/PassOwnPtr.h>
namespace JSC {
-template <class Base>
-class JSCallbackObject : public Base {
+struct JSCallbackObjectData : WeakHandleOwner {
+ JSCallbackObjectData(void* privateData, JSClassRef jsClass)
+ : privateData(privateData)
+ , jsClass(jsClass)
+ {
+ JSClassRetain(jsClass);
+ }
+
+ ~JSCallbackObjectData()
+ {
+ JSClassRelease(jsClass);
+ }
+
+ JSValue getPrivateProperty(const Identifier& propertyName) const
+ {
+ if (!m_privateProperties)
+ return JSValue();
+ return m_privateProperties->getPrivateProperty(propertyName);
+ }
+
+ void setPrivateProperty(JSGlobalData& globalData, JSCell* owner, const Identifier& propertyName, JSValue value)
+ {
+ if (!m_privateProperties)
+ m_privateProperties = adoptPtr(new JSPrivatePropertyMap);
+ m_privateProperties->setPrivateProperty(globalData, owner, propertyName, value);
+ }
+
+ void deletePrivateProperty(const Identifier& propertyName)
+ {
+ if (!m_privateProperties)
+ return;
+ m_privateProperties->deletePrivateProperty(propertyName);
+ }
+
+ void visitChildren(SlotVisitor& visitor)
+ {
+ if (!m_privateProperties)
+ return;
+ m_privateProperties->visitChildren(visitor);
+ }
+
+ void* privateData;
+ JSClassRef jsClass;
+ struct JSPrivatePropertyMap {
+ JSValue getPrivateProperty(const Identifier& propertyName) const
+ {
+ PrivatePropertyMap::const_iterator location = m_propertyMap.find(propertyName.impl());
+ if (location == m_propertyMap.end())
+ return JSValue();
+ return location->second.get();
+ }
+
+ void setPrivateProperty(JSGlobalData& globalData, JSCell* owner, const Identifier& propertyName, JSValue value)
+ {
+ WriteBarrier<Unknown> empty;
+ m_propertyMap.add(propertyName.impl(), empty).iterator->second.set(globalData, owner, value);
+ }
+
+ void deletePrivateProperty(const Identifier& propertyName)
+ {
+ m_propertyMap.remove(propertyName.impl());
+ }
+
+ void visitChildren(SlotVisitor& visitor)
+ {
+ for (PrivatePropertyMap::iterator ptr = m_propertyMap.begin(); ptr != m_propertyMap.end(); ++ptr) {
+ if (ptr->second)
+ visitor.append(&ptr->second);
+ }
+ }
+
+ private:
+ typedef HashMap<RefPtr<StringImpl>, WriteBarrier<Unknown>, IdentifierRepHash> PrivatePropertyMap;
+ PrivatePropertyMap m_propertyMap;
+ };
+ OwnPtr<JSPrivatePropertyMap> m_privateProperties;
+ virtual void finalize(Handle<Unknown>, void*);
+};
+
+
+template <class Parent>
+class JSCallbackObject : public Parent {
+protected:
+ JSCallbackObject(ExecState*, Structure*, JSClassRef, void* data);
+ JSCallbackObject(JSGlobalData&, JSClassRef, Structure*);
+
+ void finishCreation(ExecState*);
+ void finishCreation(JSGlobalData&);
+
public:
- JSCallbackObject(ExecState*, PassRefPtr<Structure>, JSClassRef, void* data);
- JSCallbackObject(JSClassRef);
- virtual ~JSCallbackObject();
+ typedef Parent Base;
+
+ static JSCallbackObject* create(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, JSClassRef classRef, void* data)
+ {
+ ASSERT_UNUSED(globalObject, !structure->globalObject() || structure->globalObject() == globalObject);
+ JSCallbackObject* callbackObject = new (NotNull, allocateCell<JSCallbackObject>(*exec->heap())) JSCallbackObject(exec, structure, classRef, data);
+ callbackObject->finishCreation(exec);
+ return callbackObject;
+ }
+ static JSCallbackObject* create(JSGlobalData& globalData, JSClassRef classRef, Structure* structure)
+ {
+ JSCallbackObject* callbackObject = new (NotNull, allocateCell<JSCallbackObject>(globalData.heap)) JSCallbackObject(globalData, classRef, structure);
+ callbackObject->finishCreation(globalData);
+ return callbackObject;
+ }
void setPrivate(void* data);
void* getPrivate();
- static const ClassInfo info;
+ static const ClassInfo s_info;
JSClassRef classRef() const { return m_callbackObjectData->jsClass; }
bool inherits(JSClassRef) const;
- static PassRefPtr<Structure> createStructure(JSValuePtr proto)
- {
- return Structure::create(proto, TypeInfo(ObjectType, ImplementsHasInstance | OverridesHasInstance));
+ static Structure* createStructure(JSGlobalData&, JSGlobalObject*, JSValue);
+
+ JSValue getPrivateProperty(const Identifier& propertyName) const
+ {
+ return m_callbackObjectData->getPrivateProperty(propertyName);
}
+
+ void setPrivateProperty(JSGlobalData& globalData, const Identifier& propertyName, JSValue value)
+ {
+ m_callbackObjectData->setPrivateProperty(globalData, this, propertyName, value);
+ }
+
+ void deletePrivateProperty(const Identifier& propertyName)
+ {
+ m_callbackObjectData->deletePrivateProperty(propertyName);
+ }
+
+ using Parent::methodTable;
+
+protected:
+ static const unsigned StructureFlags = ProhibitsPropertyCaching | OverridesGetOwnPropertySlot | ImplementsHasInstance | OverridesHasInstance | OverridesVisitChildren | OverridesGetPropertyNames | Parent::StructureFlags;
private:
- virtual UString className() const;
+ static UString className(const JSObject*);
- virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
- virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&);
+ static void destroy(JSCell*);
+
+ static JSValue defaultValue(const JSObject*, ExecState*, PreferredPrimitiveType);
+
+ static bool getOwnPropertySlot(JSCell*, ExecState*, const Identifier&, PropertySlot&);
+ static bool getOwnPropertyDescriptor(JSObject*, ExecState*, const Identifier&, PropertyDescriptor&);
- virtual void put(ExecState*, const Identifier&, JSValuePtr, PutPropertySlot&);
+ static void put(JSCell*, ExecState*, const Identifier&, JSValue, PutPropertySlot&);
- virtual bool deleteProperty(ExecState*, const Identifier&);
- virtual bool deleteProperty(ExecState*, unsigned);
+ static bool deleteProperty(JSCell*, ExecState*, const Identifier&);
+ static bool deletePropertyByIndex(JSCell*, ExecState*, unsigned);
- virtual bool hasInstance(ExecState* exec, JSValuePtr value, JSValuePtr proto);
+ static bool hasInstance(JSObject*, ExecState*, JSValue, JSValue proto);
- virtual void getPropertyNames(ExecState*, PropertyNameArray&);
+ static void getOwnPropertyNames(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
- virtual double toNumber(ExecState*) const;
- virtual UString toString(ExecState*) const;
+ static ConstructType getConstructData(JSCell*, ConstructData&);
+ static CallType getCallData(JSCell*, CallData&);
- virtual ConstructType getConstructData(ConstructData&);
- virtual CallType getCallData(CallData&);
- virtual const ClassInfo* classInfo() const { return &info; }
+ static void visitChildren(JSCell* cell, SlotVisitor& visitor)
+ {
+ JSCallbackObject* thisObject = jsCast<JSCallbackObject*>(cell);
+ ASSERT_GC_OBJECT_INHERITS((static_cast<Parent*>(thisObject)), &JSCallbackObject<Parent>::s_info);
+ COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
+ ASSERT(thisObject->Parent::structure()->typeInfo().overridesVisitChildren());
+ Parent::visitChildren(thisObject, visitor);
+ thisObject->m_callbackObjectData->visitChildren(visitor);
+ }
void init(ExecState*);
- static JSCallbackObject* asCallbackObject(JSValuePtr);
+ static JSCallbackObject* asCallbackObject(JSValue);
- static JSValuePtr call(ExecState*, JSObject* functionObject, JSValuePtr thisValue, const ArgList&);
- static JSObject* construct(ExecState*, JSObject* constructor, const ArgList&);
+ static EncodedJSValue JSC_HOST_CALL call(ExecState*);
+ static EncodedJSValue JSC_HOST_CALL construct(ExecState*);
- static JSValuePtr staticValueGetter(ExecState*, const Identifier&, const PropertySlot&);
- static JSValuePtr staticFunctionGetter(ExecState*, const Identifier&, const PropertySlot&);
- static JSValuePtr callbackGetter(ExecState*, const Identifier&, const PropertySlot&);
-
- struct JSCallbackObjectData {
- JSCallbackObjectData(void* privateData, JSClassRef jsClass)
- : privateData(privateData)
- , jsClass(jsClass)
- {
- JSClassRetain(jsClass);
- }
-
- ~JSCallbackObjectData()
- {
- JSClassRelease(jsClass);
- }
-
- void* privateData;
- JSClassRef jsClass;
- };
-
+ JSValue getStaticValue(ExecState*, const Identifier&);
+ static JSValue staticFunctionGetter(ExecState*, JSValue, const Identifier&);
+ static JSValue callbackGetter(ExecState*, JSValue, const Identifier&);
+
OwnPtr<JSCallbackObjectData> m_callbackObjectData;
};