JavaScriptCore-1097.3.tar.gz

[apple/javascriptcore.git] / API / JSCallbackObject.h

diff --git a/API/JSCallbackObject.h b/API/JSCallbackObject.h
index 7eb32a680e4fb1b11028915461461adeb8ab6d39..9aca0c7e18ca5ccccee7359ea391c2834b0a1ac8 100644 (file)
--- a/API/JSCallbackObject.h
+++ b/API/JSCallbackObject.h
@@ -1,6 +1,5 @@
-// -*- 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
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without


@@ -30,64 +29,194 @@
 
 #include "JSObjectRef.h"
 #include "JSValueRef.h"
 
 #include "JSObjectRef.h"
 #include "JSValueRef.h"

-#include "object.h"
+#include "JSObject.h"
+#include <wtf/PassOwnPtr.h>
+
+namespace JSC {
+
+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*);

 
 

-namespace KJS {
+    void finishCreation(ExecState*);
+    void finishCreation(JSGlobalData&);

 
 

-template <class Base>
-class JSCallbackObject : public Base
-{

 public:
 public:

-    JSCallbackObject(ExecState*, JSClassRef, JSValue* prototype, 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;
+    }

 
 

-    virtual UString className() const;
+    void setPrivate(void* data);
+    void* getPrivate();

 
 

-    virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
-    virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&);
-    
-    virtual void put(ExecState*, const Identifier&, JSValue*, int attr);
-    virtual void put(ExecState*, unsigned, JSValue*, int attr);
+    static const ClassInfo s_info;

 
 

-    virtual bool deleteProperty(ExecState*, const Identifier&);
-    virtual bool deleteProperty(ExecState*, unsigned);
+    JSClassRef classRef() const { return m_callbackObjectData->jsClass; }
+    bool inherits(JSClassRef) const;
+
+    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);
+    }

 
 

-    virtual bool implementsConstruct() const;
-    virtual JSObject* construct(ExecState*, const List& args);
+    using Parent::methodTable;

 
 

-    virtual bool implementsHasInstance() const;
-    virtual bool hasInstance(ExecState *exec, JSValue *value);
+protected:
+    static const unsigned StructureFlags = ProhibitsPropertyCaching | OverridesGetOwnPropertySlot | ImplementsHasInstance | OverridesHasInstance | OverridesVisitChildren | OverridesGetPropertyNames | Parent::StructureFlags;

 
 

-    virtual bool implementsCall() const;
-    virtual JSValue* callAsFunction(ExecState*, JSObject* thisObj, const List &args);
+private:
+    static UString className(const JSObject*);

 
 

-    virtual void getPropertyNames(ExecState*, PropertyNameArray&);
+    static void destroy(JSCell*);

 
 

-    virtual double toNumber(ExecState*) const;
-    virtual UString toString(ExecState*) const;
+    static JSValue defaultValue(const JSObject*, ExecState*, PreferredPrimitiveType);

 
 

-    void setPrivate(void* data);
-    void* getPrivate();
+    static bool getOwnPropertySlot(JSCell*, ExecState*, const Identifier&, PropertySlot&);
+    static bool getOwnPropertyDescriptor(JSObject*, ExecState*, const Identifier&, PropertyDescriptor&);

     
     

-    virtual const ClassInfo *classInfo() const { return &info; }
-    static const ClassInfo info;
+    static void put(JSCell*, ExecState*, const Identifier&, JSValue, PutPropertySlot&);
+
+    static bool deleteProperty(JSCell*, ExecState*, const Identifier&);
+    static bool deletePropertyByIndex(JSCell*, ExecState*, unsigned);
+
+    static bool hasInstance(JSObject*, ExecState*, JSValue, JSValue proto);
+
+    static void getOwnPropertyNames(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>::s_info);
+        COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
+        ASSERT(thisObject->Parent::structure()->typeInfo().overridesVisitChildren());
+        Parent::visitChildren(thisObject, visitor);
+        thisObject->m_callbackObjectData->visitChildren(visitor);
+    }

 
 

-    bool inherits(JSClassRef) const;
-    
-private:

     void init(ExecState*);
     void init(ExecState*);

-    
-    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* m_privateData;
-    JSClassRef m_class;
+ 
+    static JSCallbackObject* asCallbackObject(JSValue);
+ 
+    static EncodedJSValue JSC_HOST_CALL call(ExecState*);
+    static EncodedJSValue JSC_HOST_CALL construct(ExecState*);
+   
+    JSValue getStaticValue(ExecState*, const Identifier&);
+    static JSValue staticFunctionGetter(ExecState*, JSValue, const Identifier&);
+    static JSValue callbackGetter(ExecState*, JSValue, const Identifier&);
+
+    OwnPtr<JSCallbackObjectData> m_callbackObjectData;

 };
 
 };
 

-} // namespace KJS
+} // namespace JSC

 
 // include the actual template class implementation
 #include "JSCallbackObjectFunctions.h"
 
 // include the actual template class implementation
 #include "JSCallbackObjectFunctions.h"