/* * Copyright (C) 2012 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 "JSSymbolTableObject.h" #include "JSActivation.h" #include "JSGlobalObject.h" #include "JSNameScope.h" #include "Operations.h" #include "PropertyNameArray.h" namespace JSC { void JSSymbolTableObject::visitChildren(JSCell* cell, SlotVisitor& visitor) { JSSymbolTableObject* thisObject = jsCast(cell); ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info); COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag); ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren()); Base::visitChildren(thisObject, visitor); visitor.append(&thisObject->m_symbolTable); } bool JSSymbolTableObject::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName) { JSSymbolTableObject* thisObject = jsCast(cell); if (thisObject->symbolTable()->contains(propertyName.publicName())) return false; return JSObject::deleteProperty(thisObject, exec, propertyName); } void JSSymbolTableObject::getOwnNonIndexPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode) { JSSymbolTableObject* thisObject = jsCast(object); SymbolTable::const_iterator end = thisObject->symbolTable()->end(); for (SymbolTable::const_iterator it = thisObject->symbolTable()->begin(); it != end; ++it) { if (!(it->value.getAttributes() & DontEnum) || (mode == IncludeDontEnumProperties)) propertyNames.add(Identifier(exec, it->key.get())); } JSObject::getOwnNonIndexPropertyNames(thisObject, exec, propertyNames, mode); } void JSSymbolTableObject::putDirectVirtual(JSObject*, ExecState*, PropertyName, JSValue, unsigned) { RELEASE_ASSERT_NOT_REACHED(); } } // namespace JSC