#pragma once
#include "JSInternalFieldObjectImpl.h"
namespace JSC {
class JSArrayIterator final : public JSInternalFieldObjectImpl<3> {
public:
using Base = JSInternalFieldObjectImpl<3>;
enum class Field : uint8_t {
Index = 0,
IteratedObject,
Kind,
};
static_assert(numberOfInternalFields == 3);
static size_t allocationSize(Checked<size_t> inlineCapacity)
{
ASSERT_UNUSED(inlineCapacity, inlineCapacity == 0U);
return sizeof(JSArrayIterator);
}
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.arrayIteratorSpace<mode>();
}
static std::array<JSValue, numberOfInternalFields> initialValues()
{
return { {
jsNumber(0),
jsNull(),
jsNumber(0),
} };
}
static constexpr int64_t doneIndex = -1;
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)); }
IterationKind kind() const { return static_cast<IterationKind>(internalField(Field::Kind).get().asUInt32AsAnyInt()); }
JSObject* iteratedObject() const { return jsCast<JSObject*>(internalField(Field::IteratedObject).get()); }
static JSArrayIterator* create(VM&, Structure*, JSObject* iteratedObject, JSValue kind);
static JSArrayIterator* create(VM& vm, Structure* structure, JSObject* iteratedObject, IterationKind kind)
{
return create(vm, structure, iteratedObject, jsNumber(static_cast<unsigned>(kind)));
}
static JSArrayIterator* createWithInitialValues(VM&, Structure*);
static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
DECLARE_INFO;
static void visitChildren(JSCell*, SlotVisitor&);
private:
JSArrayIterator(VM&, Structure*);
void finishCreation(VM&);
};
}