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/*
* Copyright (C) 2007, 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* 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
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS 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 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSVariableObject.h"
#include "JSActivation.h"
#include "JSGlobalObject.h"
#include "JSStaticScopeObject.h"
#include "PropertyNameArray.h"
#include "PropertyDescriptor.h"
namespace JSC {
void JSVariableObject::destroy(JSCell* cell)
{
static_cast<JSVariableObject*>(cell)->JSVariableObject::~JSVariableObject();
}
bool JSVariableObject::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
{
JSVariableObject* thisObject = jsCast<JSVariableObject*>(cell);
if (thisObject->symbolTable().contains(propertyName.publicName()))
return false;
return JSObject::deleteProperty(thisObject, exec, propertyName);
}
void JSVariableObject::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
JSVariableObject* thisObject = jsCast<JSVariableObject*>(object);
SymbolTable::const_iterator end = thisObject->symbolTable().end();
for (SymbolTable::const_iterator it = thisObject->symbolTable().begin(); it != end; ++it) {
if (!(it->second.getAttributes() & DontEnum) || (mode == IncludeDontEnumProperties))
propertyNames.add(Identifier(exec, it->first.get()));
}
JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
}
bool JSVariableObject::symbolTableGet(PropertyName propertyName, PropertyDescriptor& descriptor)
{
SymbolTableEntry entry = symbolTable().inlineGet(propertyName.publicName());
if (!entry.isNull()) {
descriptor.setDescriptor(registerAt(entry.getIndex()).get(), entry.getAttributes() | DontDelete);
return true;
}
return false;
}
void JSVariableObject::putDirectVirtual(JSObject*, ExecState*, PropertyName, JSValue, unsigned)
{
ASSERT_NOT_REACHED();
}
bool JSVariableObject::isDynamicScope(bool& requiresDynamicChecks) const
{
switch (structure()->typeInfo().type()) {
case GlobalObjectType:
return static_cast<const JSGlobalObject*>(this)->isDynamicScope(requiresDynamicChecks);
case ActivationObjectType:
return static_cast<const JSActivation*>(this)->isDynamicScope(requiresDynamicChecks);
case StaticScopeObjectType:
return static_cast<const JSStaticScopeObject*>(this)->isDynamicScope(requiresDynamicChecks);
default:
ASSERT_NOT_REACHED();
break;
}
return false;
}
} // namespace JSC
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