-// -*- mode: c++; c-basic-offset: 4 -*-
/*
- * Copyright (C) 2006 Apple Computer, 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
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
#include "JSObjectRef.h"
#include "JSValueRef.h"
-#include "object.h"
+#include "JSObject.h"
-namespace KJS {
+namespace JSC {
-template <class Base>
-class JSCallbackObject : public Base
-{
+struct JSCallbackObjectData {
+ WTF_MAKE_FAST_ALLOCATED;
public:
- JSCallbackObject(ExecState*, JSClassRef, JSValue* prototype, void* data);
- JSCallbackObject(JSClassRef);
- virtual ~JSCallbackObject();
-
- virtual UString className() const;
-
- virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
- virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&);
+ JSCallbackObjectData(void* privateData, JSClassRef jsClass)
+ : privateData(privateData)
+ , jsClass(jsClass)
+ {
+ JSClassRetain(jsClass);
+ }
- virtual void put(ExecState*, const Identifier&, JSValue*, int attr);
- virtual void put(ExecState*, unsigned, JSValue*, int attr);
-
- virtual bool deleteProperty(ExecState*, const Identifier&);
- virtual bool deleteProperty(ExecState*, unsigned);
-
- virtual bool implementsConstruct() const;
- virtual JSObject* construct(ExecState*, const List& args);
-
- virtual bool implementsHasInstance() const;
- virtual bool hasInstance(ExecState *exec, JSValue *value);
+ ~JSCallbackObjectData()
+ {
+ JSClassRelease(jsClass);
+ }
+
+ JSValue getPrivateProperty(const Identifier& propertyName) const
+ {
+ if (!m_privateProperties)
+ return JSValue();
+ return m_privateProperties->getPrivateProperty(propertyName);
+ }
+
+ void setPrivateProperty(VM& vm, JSCell* owner, const Identifier& propertyName, JSValue value)
+ {
+ if (!m_privateProperties)
+ m_privateProperties = std::make_unique<JSPrivatePropertyMap>();
+ m_privateProperties->setPrivateProperty(vm, 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->value.get();
+ }
+
+ void setPrivateProperty(VM& vm, JSCell* owner, const Identifier& propertyName, JSValue value)
+ {
+ WriteBarrier<Unknown> empty;
+ m_propertyMap.add(propertyName.impl(), empty).iterator->value.set(vm, 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->value)
+ visitor.append(&ptr->value);
+ }
+ }
+
+ private:
+ typedef HashMap<RefPtr<UniquedStringImpl>, WriteBarrier<Unknown>, IdentifierRepHash> PrivatePropertyMap;
+ PrivatePropertyMap m_propertyMap;
+ };
+ std::unique_ptr<JSPrivatePropertyMap> m_privateProperties;
+};
- virtual bool implementsCall() const;
- virtual JSValue* callAsFunction(ExecState*, JSObject* thisObj, const List &args);
+
+template <class Parent>
+class JSCallbackObject : public Parent {
+protected:
+ JSCallbackObject(ExecState*, Structure*, JSClassRef, void* data);
+ JSCallbackObject(VM&, JSClassRef, Structure*);
- virtual void getPropertyNames(ExecState*, PropertyNameArray&);
+ void finishCreation(ExecState*);
+ void finishCreation(VM&);
- virtual double toNumber(ExecState*) const;
- virtual UString toString(ExecState*) const;
+public:
+ typedef Parent Base;
+ static const unsigned StructureFlags = Base::StructureFlags | ProhibitsPropertyCaching | OverridesGetOwnPropertySlot | InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | ImplementsHasInstance | OverridesHasInstance | OverridesGetPropertyNames | TypeOfShouldCallGetCallData;
+
+ ~JSCallbackObject();
+
+ 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<Parent>* create(VM&, JSClassRef, Structure*);
+
+ static const bool needsDestruction;
+ static void destroy(JSCell* cell)
+ {
+ static_cast<JSCallbackObject*>(cell)->JSCallbackObject::~JSCallbackObject();
+ }
void setPrivate(void* data);
void* getPrivate();
-
- virtual const ClassInfo *classInfo() const { return &info; }
- static const ClassInfo info;
+ DECLARE_INFO;
+
+ JSClassRef classRef() const { return m_callbackObjectData->jsClass; }
bool inherits(JSClassRef) const;
+
+ static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
-private:
- void init(ExecState*);
+ JSValue getPrivateProperty(const Identifier& propertyName) const
+ {
+ return m_callbackObjectData->getPrivateProperty(propertyName);
+ }
+
+ void setPrivateProperty(VM& vm, const Identifier& propertyName, JSValue value)
+ {
+ m_callbackObjectData->setPrivateProperty(vm, this, propertyName, value);
+ }
- static JSValue* cachedValueGetter(ExecState*, JSObject*, const Identifier&, const PropertySlot&);
- static JSValue* staticValueGetter(ExecState*, JSObject*, const Identifier&, const PropertySlot& slot);
- static JSValue* staticFunctionGetter(ExecState*, JSObject*, const Identifier&, const PropertySlot& slot);
- static JSValue* callbackGetter(ExecState*, JSObject*, const Identifier&, const PropertySlot&);
+ void deletePrivateProperty(const Identifier& propertyName)
+ {
+ m_callbackObjectData->deletePrivateProperty(propertyName);
+ }
+
+ using Parent::methodTable;
+
+private:
+ static String className(const JSObject*);
+
+ static JSValue defaultValue(const JSObject*, ExecState*, PreferredPrimitiveType);
+
+ static bool getOwnPropertySlot(JSObject*, ExecState*, PropertyName, PropertySlot&);
+ static bool getOwnPropertySlotByIndex(JSObject*, ExecState*, unsigned propertyName, PropertySlot&);
- void* m_privateData;
- JSClassRef m_class;
+ static void put(JSCell*, ExecState*, PropertyName, JSValue, PutPropertySlot&);
+ static void putByIndex(JSCell*, ExecState*, unsigned, JSValue, bool shouldThrow);
+
+ static bool deleteProperty(JSCell*, ExecState*, PropertyName);
+ static bool deletePropertyByIndex(JSCell*, ExecState*, unsigned);
+
+ static bool customHasInstance(JSObject*, ExecState*, JSValue);
+
+ static void getOwnNonIndexPropertyNames(JSObject*, ExecState*, PropertyNameArray&, EnumerationMode);
+
+ static ConstructType getConstructData(JSCell*, ConstructData&);
+ static CallType getCallData(JSCell*, CallData&);
+
+ static void visitChildren(JSCell* cell, SlotVisitor& visitor)
+ {
+ JSCallbackObject* thisObject = jsCast<JSCallbackObject*>(cell);
+ ASSERT_GC_OBJECT_INHERITS((static_cast<Parent*>(thisObject)), JSCallbackObject<Parent>::info());
+ Parent::visitChildren(thisObject, visitor);
+ thisObject->m_callbackObjectData->visitChildren(visitor);
+ }
+
+ void init(ExecState*);
+
+ static JSCallbackObject* asCallbackObject(JSValue);
+ static JSCallbackObject* asCallbackObject(EncodedJSValue);
+
+ static EncodedJSValue JSC_HOST_CALL call(ExecState*);
+ static EncodedJSValue JSC_HOST_CALL construct(ExecState*);
+
+ JSValue getStaticValue(ExecState*, PropertyName);
+ static EncodedJSValue staticFunctionGetter(ExecState*, JSObject*, EncodedJSValue, PropertyName);
+ static EncodedJSValue callbackGetter(ExecState*, JSObject*, EncodedJSValue, PropertyName);
+
+ std::unique_ptr<JSCallbackObjectData> m_callbackObjectData;
};
-} // namespace KJS
+} // namespace JSC
// include the actual template class implementation
#include "JSCallbackObjectFunctions.h"