X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/ba379fdc102753d6be2c4d937058fe40257329fe..ed1e77d3adeb83d26fd1dfb16dd84cabdcefd250:/runtime/JSPropertyNameIterator.h diff --git a/runtime/JSPropertyNameIterator.h b/runtime/JSPropertyNameIterator.h deleted file mode 100644 index 9817c07..0000000 --- a/runtime/JSPropertyNameIterator.h +++ /dev/null @@ -1,116 +0,0 @@ -/* - * 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. - * 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. - */ - -#ifndef JSPropertyNameIterator_h -#define JSPropertyNameIterator_h - -#include "JSObject.h" -#include "JSString.h" -#include "PropertyNameArray.h" - -namespace JSC { - - class Identifier; - class JSObject; - - class JSPropertyNameIterator : public JSCell { - public: - static JSPropertyNameIterator* create(ExecState*, JSValue); - - virtual ~JSPropertyNameIterator(); - - virtual JSValue toPrimitive(ExecState*, PreferredPrimitiveType) const; - virtual bool getPrimitiveNumber(ExecState*, double&, JSValue&); - virtual bool toBoolean(ExecState*) const; - virtual double toNumber(ExecState*) const; - virtual UString toString(ExecState*) const; - virtual JSObject* toObject(ExecState*) const; - - virtual void mark(); - - JSValue next(ExecState*); - void invalidate(); - - private: - JSPropertyNameIterator(); - JSPropertyNameIterator(JSObject*, PassRefPtr propertyNameArrayData); - - JSObject* m_object; - RefPtr m_data; - PropertyNameArrayData::const_iterator m_position; - PropertyNameArrayData::const_iterator m_end; - }; - -inline JSPropertyNameIterator::JSPropertyNameIterator() - : JSCell(0) - , m_object(0) - , m_position(0) - , m_end(0) -{ -} - -inline JSPropertyNameIterator::JSPropertyNameIterator(JSObject* object, PassRefPtr propertyNameArrayData) - : JSCell(0) - , m_object(object) - , m_data(propertyNameArrayData) - , m_position(m_data->begin()) - , m_end(m_data->end()) -{ -} - -inline JSPropertyNameIterator* JSPropertyNameIterator::create(ExecState* exec, JSValue v) -{ - if (v.isUndefinedOrNull()) - return new (exec) JSPropertyNameIterator; - - JSObject* o = v.toObject(exec); - PropertyNameArray propertyNames(exec); - o->getPropertyNames(exec, propertyNames); - return new (exec) JSPropertyNameIterator(o, propertyNames.releaseData()); -} - -inline JSValue JSPropertyNameIterator::next(ExecState* exec) -{ - if (m_position == m_end) - return JSValue(); - - if (m_data->cachedStructure() == m_object->structure() && m_data->cachedPrototypeChain() == m_object->structure()->prototypeChain(exec)) - return jsOwnedString(exec, (*m_position++).ustring()); - - do { - if (m_object->hasProperty(exec, *m_position)) - return jsOwnedString(exec, (*m_position++).ustring()); - m_position++; - } while (m_position != m_end); - - return JSValue(); -} - -} // namespace JSC - -#endif // JSPropertyNameIterator_h