X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/a253471d7f8e4d91bf6ebabab00155c3b387d3d0..93a3786624b2768d89bfa27e46598dc64e2fb70a:/runtime/JSSymbolTableObject.cpp?ds=inline diff --git a/runtime/JSSymbolTableObject.cpp b/runtime/JSSymbolTableObject.cpp new file mode 100644 index 0000000..16b20d9 --- /dev/null +++ b/runtime/JSSymbolTableObject.cpp @@ -0,0 +1,77 @@ +/* + * 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