/* * 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 "ArrayProfile.h" #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)