/* | |
* 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 "PropertyNameArray.h" | |
#include "PropertyDescriptor.h" | |
namespace JSC { | |
bool JSVariableObject::deleteProperty(ExecState* exec, const Identifier& propertyName) | |
{ | |
if (symbolTable().contains(propertyName.ustring().rep())) | |
return false; | |
return JSObject::deleteProperty(exec, propertyName); | |
} | |
void JSVariableObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode) | |
{ | |
SymbolTable::const_iterator end = symbolTable().end(); | |
for (SymbolTable::const_iterator it = symbolTable().begin(); it != end; ++it) { | |
if (!(it->second.getAttributes() & DontEnum) || (mode == IncludeDontEnumProperties)) | |
propertyNames.add(Identifier(exec, it->first.get())); | |
} | |
JSObject::getOwnPropertyNames(exec, propertyNames, mode); | |
} | |
bool JSVariableObject::isVariableObject() const | |
{ | |
return true; | |
} | |
bool JSVariableObject::symbolTableGet(const Identifier& propertyName, PropertyDescriptor& descriptor) | |
{ | |
SymbolTableEntry entry = symbolTable().inlineGet(propertyName.ustring().rep()); | |
if (!entry.isNull()) { | |
descriptor.setDescriptor(registerAt(entry.getIndex()).jsValue(), entry.getAttributes() | DontDelete); | |
return true; | |
} | |
return false; | |
} | |
} // namespace JSC |