JavaScriptCore-903.5.tar.gz

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

diff --git a/API/JSCallbackObject.h b/API/JSCallbackObject.h
index 9d22ad91f0f42b9363ea1a40c0e304baa8bfd923..2b322e7cf2c8386dc58c12d2fa7235496c5633bf 100644 (file)
--- a/API/JSCallbackObject.h
+++ b/API/JSCallbackObject.h
@@ -1,5 +1,5 @@
 /*
- * 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
@@ -30,34 +30,132 @@
 #include "JSObjectRef.h"
 #include "JSValueRef.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).first->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 Base>
 class JSCallbackObject : public Base {
 public:
-    JSCallbackObject(ExecState*, PassRefPtr<Structure>, JSClassRef, void* data);
-    JSCallbackObject(JSClassRef);
-    virtual ~JSCallbackObject();
+    JSCallbackObject(ExecState*, JSGlobalObject*, Structure*, JSClassRef, void* data);
+    JSCallbackObject(JSGlobalData&, JSClassRef, Structure*);
 
     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(JSValue proto) 
+    static Structure* createStructure(JSGlobalData& globalData, JSValue proto) 
     { 
-        return Structure::create(proto, TypeInfo(ObjectType, ImplementsHasInstance | OverridesHasInstance)); 
+        return Structure::create(globalData, proto, TypeInfo(ObjectType, StructureFlags), Base::AnonymousSlotCount, &s_info); 
+    }
+    
+    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);
+    }
+
+protected:
+    static const unsigned StructureFlags = ProhibitsPropertyCaching | OverridesGetOwnPropertySlot | ImplementsHasInstance | OverridesHasInstance | OverridesVisitChildren | OverridesGetPropertyNames | Base::StructureFlags;
 
 private:
     virtual UString className() const;
 
     virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
-    virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&);
+    virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier&, PropertyDescriptor&);
     
     virtual void put(ExecState*, const Identifier&, JSValue, PutPropertySlot&);
 
@@ -66,43 +164,31 @@ private:
 
     virtual bool hasInstance(ExecState* exec, JSValue value, JSValue proto);
 
-    virtual void getPropertyNames(ExecState*, PropertyNameArray&);
+    virtual void getOwnPropertyNames(ExecState*, PropertyNameArray&, EnumerationMode mode = ExcludeDontEnumProperties);
 
     virtual double toNumber(ExecState*) const;
     virtual UString toString(ExecState*) const;
 
     virtual ConstructType getConstructData(ConstructData&);
     virtual CallType getCallData(CallData&);
-    virtual const ClassInfo* classInfo() const { return &info; }
+
+    virtual void visitChildren(SlotVisitor& visitor)
+    {
+        Base::visitChildren(visitor);
+        m_callbackObjectData->visitChildren(visitor);
+    }
 
     void init(ExecState*);
  
     static JSCallbackObject* asCallbackObject(JSValue);
  
-    static JSValue JSC_HOST_CALL call(ExecState*, JSObject* functionObject, JSValue 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 JSValue staticValueGetter(ExecState*, const Identifier&, const PropertySlot&);
-    static JSValue staticFunctionGetter(ExecState*, const Identifier&, const PropertySlot&);
-    static JSValue 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;
 };