/* * Copyright (C) 2018 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. */ #pragma once #include "ObjectPropertyConditionSet.h" #include "StructureSet.h" namespace JSC { class InstanceOfStatus; class InstanceOfVariant { public: InstanceOfVariant() = default; InstanceOfVariant(const StructureSet&, const ObjectPropertyConditionSet&, JSObject* prototype, bool isHit); explicit operator bool() const { return !!m_structureSet.size(); } const StructureSet& structureSet() const { return m_structureSet; } StructureSet& structureSet() { return m_structureSet; } const ObjectPropertyConditionSet& conditionSet() const { return m_conditionSet; } JSObject* prototype() const { return m_prototype; } bool isHit() const { return m_isHit; } bool attemptToMerge(const InstanceOfVariant& other); void dump(PrintStream&) const; void dumpInContext(PrintStream&, DumpContext*) const; private: friend class InstanceOfStatus; StructureSet m_structureSet; ObjectPropertyConditionSet m_conditionSet; JSObject* m_prototype { nullptr }; bool m_isHit { false }; }; } // namespace JSC