JavaScriptCore-7601.1.46.3.tar.gz

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

diff --git a/API/JSCallbackObject.h b/API/JSCallbackObject.h
index 7eb32a680e4fb1b11028915461461adeb8ab6d39..33b4262e620174cd7bcd471c50a693a9f40b4a05 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


@@ -12,10 +11,10 @@
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  *    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
  * 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
  * 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


@@ -30,64 +29,193 @@
 
 #include "JSObjectRef.h"
 #include "JSValueRef.h"
 
 #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:
 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();
 
     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;
     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"
 
 // include the actual template class implementation
 #include "JSCallbackObjectFunctions.h"