/* * Copyright (C) 2014 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. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR * 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 GetByIdVariant_h #define GetByIdVariant_h #include "IntendedStructureChain.h" #include "JSCJSValue.h" #include "PropertyOffset.h" #include "StructureSet.h" namespace JSC { class GetByIdStatus; struct DumpContext; class GetByIdVariant { public: GetByIdVariant( const StructureSet& structureSet = StructureSet(), PropertyOffset offset = invalidOffset, JSValue specificValue = JSValue(), PassRefPtr<IntendedStructureChain> chain = nullptr) : m_structureSet(structureSet) , m_chain(chain) , m_specificValue(specificValue) , m_offset(offset) { if (!structureSet.size()) { ASSERT(offset == invalidOffset); ASSERT(!specificValue); ASSERT(!chain); } } bool isSet() const { return !!m_structureSet.size(); } bool operator!() const { return !isSet(); } const StructureSet& structureSet() const { return m_structureSet; } IntendedStructureChain* chain() const { return const_cast<IntendedStructureChain*>(m_chain.get()); } JSValue specificValue() const { return m_specificValue; } PropertyOffset offset() const { return m_offset; } void dump(PrintStream&) const; void dumpInContext(PrintStream&, DumpContext*) const; private: friend class GetByIdStatus; StructureSet m_structureSet; RefPtr<IntendedStructureChain> m_chain; JSValue m_specificValue; PropertyOffset m_offset; }; } // namespace JSC #endif // GetByIdVariant_h