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/*
* Copyright (C) 2017 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
#if ENABLE(DFG_JIT)
#include "DFGRegisteredStructure.h"
#include "StructureSet.h"
#include <wtf/TinyPtrSet.h>
namespace JSC {
class TrackedReferences;
namespace DFG {
struct AbstractValue;
class StructureAbstractValue;
class RegisteredStructureSet : public TinyPtrSet<RegisteredStructure> {
public:
RegisteredStructureSet()
{ }
RegisteredStructureSet(RegisteredStructure structure)
: TinyPtrSet(structure)
{
}
ALWAYS_INLINE RegisteredStructureSet(const RegisteredStructureSet& other)
: TinyPtrSet(other)
{
}
RegisteredStructure onlyStructure() const
{
return onlyEntry();
}
StructureSet toStructureSet() const
{
StructureSet result;
forEach([&] (RegisteredStructure structure) { result.add(structure.get()); });
return result;
}
void filter(const DFG::StructureAbstractValue&);
void filter(SpeculatedType);
void filterArrayModes(ArrayModes);
void filter(const DFG::AbstractValue&);
SpeculatedType speculationFromStructures() const;
ArrayModes arrayModesFromStructures() const;
void validateReferences(const TrackedReferences&) const;
};
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)
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