source: webkit/trunk/JavaScriptCore/kjs/JSNotAnObject.cpp@ 34319

/*
 * Copyright (C) 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
 *     notice, this list of conditions and the following disclaimer.
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 *     notice, this list of conditions and the following disclaimer in the
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 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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
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 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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#include "config.h"
#include "JSNotAnObject.h"

#include <wtf/UnusedParam.h>

namespace KJS {
    // JSValue methods
    JSValue *JSNotAnObject::toPrimitive(ExecState* exec, JSType) const
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return m_exception;
    }
    
    bool JSNotAnObject::getPrimitiveNumber(ExecState* exec, double&, JSValue*&)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return false;
    }
    
    bool JSNotAnObject::toBoolean(ExecState* exec) const
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return false;
    }
    
    double JSNotAnObject::toNumber(ExecState* exec) const
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return NaN;
    }

    UString JSNotAnObject::toString(ExecState* exec) const
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return "";
    }
    
    JSObject *JSNotAnObject::toObject(ExecState* exec) const
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return m_exception;
    }
    
    // marking
    void JSNotAnObject::mark()
    {
        JSCell::mark();
        if (!m_exception->marked())
            m_exception->mark();
    }
    
    bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, const Identifier&, PropertySlot&)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return false;
    }
    
    bool JSNotAnObject::getOwnPropertySlot(ExecState* exec, unsigned, PropertySlot&)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return false;
    }
    
    void JSNotAnObject::put(ExecState* exec, const Identifier& , JSValue*)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
    }
    
    void JSNotAnObject::put(ExecState* exec, unsigned, JSValue*)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
    }
    
    bool JSNotAnObject::deleteProperty(ExecState* exec, const Identifier &)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return false;
    }
    
    bool JSNotAnObject::deleteProperty(ExecState* exec, unsigned)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return false;
    }
    
    JSValue *JSNotAnObject::defaultValue(ExecState* exec, JSType) const
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return m_exception;
    }
    
    JSObject* JSNotAnObject::construct(ExecState* exec, const List&)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return m_exception;
    }
    
    JSObject* JSNotAnObject::construct(ExecState* exec, const List&, const Identifier&, const UString&, int)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return m_exception;
    }
    
    JSValue* JSNotAnObject::callAsFunction(ExecState* exec, JSObject *, const List &)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);
        return m_exception;
    }
    
    void JSNotAnObject::getPropertyNames(ExecState* exec, PropertyNameArray&)
    {
        UNUSED_PARAM(exec);
        ASSERT(exec->hadException() && exec->exception() == m_exception);        
    }
    
}