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/*
* Copyright (C) 2024 Sosuke Suzuki <aosukeke@gmail.com>.
*
* 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 "JSInternalFieldObjectImpl.h"
namespace JSC {
const static uint8_t JSWrapForValidIteratorNumberOfInternalFields = 2;
class JSWrapForValidIterator final : public JSInternalFieldObjectImpl<JSWrapForValidIteratorNumberOfInternalFields> {
public:
using Base = JSInternalFieldObjectImpl<JSWrapForValidIteratorNumberOfInternalFields>;
DECLARE_EXPORT_INFO;
enum class Field : uint8_t {
IteratedIterator = 0,
IteratedNextMethod,
};
static_assert(numberOfInternalFields == JSWrapForValidIteratorNumberOfInternalFields);
static std::array<JSValue, numberOfInternalFields> initialValues()
{
return { {
jsNull(),
jsNull(),
} };
}
const WriteBarrier<Unknown>& internalField(Field field) const { return Base::internalField(static_cast<uint32_t>(field)); }
WriteBarrier<Unknown>& internalField(Field field) { return Base::internalField(static_cast<uint32_t>(field)); }
template<typename CellType, SubspaceAccess mode>
static GCClient::IsoSubspace* subspaceFor(VM& vm)
{
return vm.wrapForValidIteratorSpace<mode>();
}
inline static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
static JSWrapForValidIterator* createWithInitialValues(VM&, Structure*);
static JSWrapForValidIterator* create(VM&, Structure*, JSValue iterator, JSValue nextMethod);
JSObject* iteratedIterator() const { return jsCast<JSObject*>(internalField(Field::IteratedIterator).get()); }
JSObject* iteratedNextMethod() const { return jsCast<JSObject*>(internalField(Field::IteratedNextMethod).get()); }
void setIteratedIterator(VM& vm, JSValue iterator) { internalField(Field::IteratedIterator).set(vm, this, iterator); }
void setIteratedNextMethod(VM& vm, JSValue nextMethod) { internalField(Field::IteratedNextMethod).set(vm, this, nextMethod); }
private:
JSWrapForValidIterator(VM& vm, Structure* structure)
: Base(vm, structure)
{
}
void finishCreation(VM&, JSValue iterator, JSValue nextMethod);
DECLARE_VISIT_CHILDREN;
};
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSWrapForValidIterator);
JSC_DECLARE_HOST_FUNCTION(wrapForValidIteratorPrivateFuncCreate);
} // namespace JSC
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