blob: 1f13bbe0810e49b178f1ef39b43b30d5d9d83ab5 [file] [log] [blame]
/*
* 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