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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.
*/
#include "config.h"
#include "DFGRegisteredStructureSet.h"
#if ENABLE(DFG_JIT)
#include "DFGAbstractValue.h"
#include "TrackedReferences.h"
namespace JSC { namespace DFG {
void RegisteredStructureSet::filter(const DFG::StructureAbstractValue& other)
{
genericFilter(
[&] (RegisteredStructure structure) -> bool {
return other.contains(structure);
});
}
void RegisteredStructureSet::filter(SpeculatedType type)
{
genericFilter(
[&] (RegisteredStructure structure) -> bool {
return type & speculationFromStructure(structure.get());
});
}
void RegisteredStructureSet::filterArrayModes(ArrayModes arrayModes)
{
genericFilter(
[&] (RegisteredStructure structure) -> bool {
return arrayModes & arrayModeFromStructure(structure.get());
});
}
void RegisteredStructureSet::filter(const DFG::AbstractValue& other)
{
filter(other.m_structure);
filter(other.m_type);
filterArrayModes(other.m_arrayModes);
}
SpeculatedType RegisteredStructureSet::speculationFromStructures() const
{
SpeculatedType result = SpecNone;
forEach(
[&] (RegisteredStructure structure) {
mergeSpeculation(result, speculationFromStructure(structure.get()));
});
return result;
}
ArrayModes RegisteredStructureSet::arrayModesFromStructures() const
{
ArrayModes result = 0;
forEach(
[&] (RegisteredStructure structure) {
mergeArrayModes(result, asArrayModes(structure->indexingType()));
});
return result;
}
void RegisteredStructureSet::validateReferences(const TrackedReferences& trackedReferences) const
{
// The type system should help us here, but protect people from getting that wrong using bitwise_cast or something crazy.
forEach(
[&] (RegisteredStructure structure) {
trackedReferences.check(structure.get());
});
}
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)
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