darling-JavaScriptCore/runtime/JSSet.h

81 lines
2.8 KiB
C++

/*
* Copyright (C) 2013, 2016 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 "HashMapImpl.h"
#include "JSObject.h"
namespace JSC {
class JSSet final : public HashMapImpl<HashMapBucket<HashMapBucketDataKey>> {
using Base = HashMapImpl<HashMapBucket<HashMapBucketDataKey>>;
public:
DECLARE_EXPORT_INFO;
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.setSpace<mode>();
}
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(JSSetType, StructureFlags), info());
}
static JSSet* create(JSGlobalObject* globalObject, VM& vm, Structure* structure)
{
return create(globalObject, vm, structure, 0);
}
static JSSet* create(JSGlobalObject* globalObject, VM& vm, Structure* structure, uint32_t size)
{
JSSet* instance = new (NotNull, allocateCell<JSSet>(vm.heap)) JSSet(vm, structure, size);
instance->finishCreation(globalObject, vm);
return instance;
}
bool isIteratorProtocolFastAndNonObservable();
bool canCloneFastAndNonObservable(Structure*);
JSSet* clone(JSGlobalObject*, VM&, Structure*);
private:
JSSet(VM& vm, Structure* structure)
: Base(vm, structure)
{
}
JSSet(VM& vm, Structure* structure, uint32_t sizeHint)
: Base(vm, structure, sizeHint)
{
}
};
static_assert(std::is_final<JSSet>::value, "Required for JSType based casting");
} // namespace JSC