JavaScriptCore-1097.13.tar.gz

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

/*
 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, 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
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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#ifndef JSCallbackConstructor_h
#define JSCallbackConstructor_h

#include "JSObjectRef.h"
#include <runtime/JSObject.h>

namespace JSC {

class JSCallbackConstructor : public JSNonFinalObject {
public:
    typedef JSNonFinalObject Base;

    static JSCallbackConstructor* create(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, JSClassRef classRef, JSObjectCallAsConstructorCallback callback) 
    {
        JSCallbackConstructor* constructor = new (NotNull, allocateCell<JSCallbackConstructor>(*exec->heap())) JSCallbackConstructor(globalObject, structure, classRef, callback);
        constructor->finishCreation(globalObject, classRef);
        return constructor;
    }
    
    ~JSCallbackConstructor();
    static void destroy(JSCell*);
    JSClassRef classRef() const { return m_class; }
    JSObjectCallAsConstructorCallback callback() const { return m_callback; }
    static const ClassInfo s_info;

    static Structure* createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue proto) 
    {
        return Structure::create(globalData, globalObject, proto, TypeInfo(ObjectType, StructureFlags), &s_info);
    }

protected:
    JSCallbackConstructor(JSGlobalObject*, Structure*, JSClassRef, JSObjectCallAsConstructorCallback);
    void finishCreation(JSGlobalObject*, JSClassRef);
    static const unsigned StructureFlags = ImplementsHasInstance | JSObject::StructureFlags;

private:
    static ConstructType getConstructData(JSCell*, ConstructData&);

    JSClassRef m_class;
    JSObjectCallAsConstructorCallback m_callback;
};

} // namespace JSC

#endif // JSCallbackConstructor_h