xref: /arkcompiler/ets_runtime/ecmascript/js_set_iterator.h

/*
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ECMASCRIPT_JS_SET_ITERATOR_H
#define ECMASCRIPT_JS_SET_ITERATOR_H

#include "ecmascript/js_object.h"
#include "ecmascript/js_iterator.h"

namespace panda::ecmascript {
class JSSetIterator : public JSObject {
public:
    CAST_CHECK(JSSetIterator, IsJSSetIterator);

    static JSHandle<JSTaggedValue> CreateSetIterator(JSThread *thread, const JSHandle<JSTaggedValue> &obj,
                                                     IterationKind kind);

    static JSTaggedValue Next(EcmaRuntimeCallInfo *argv);
    static JSTaggedValue NextInternal(JSThread *thread, JSHandle<JSTaggedValue> thisObj);

    void Update(const JSThread *thread);

    static constexpr size_t ITERATED_SET_OFFSET = JSObject::SIZE;
    ACCESSORS(IteratedSet, ITERATED_SET_OFFSET, NEXT_INDEX_OFFSET);
    ACCESSORS_PRIMITIVE_FIELD(NextIndex, uint32_t, NEXT_INDEX_OFFSET, BIT_FIELD_OFFSET)
    ACCESSORS_BIT_FIELD(BitField, BIT_FIELD_OFFSET, LAST_OFFSET)
    DEFINE_ALIGN_SIZE(LAST_OFFSET);

    // define BitField
    static constexpr size_t ITERATION_KIND_BITS = 2;
    FIRST_BIT_FIELD(BitField, IterationKind, IterationKind, ITERATION_KIND_BITS)

    DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, ITERATED_SET_OFFSET, NEXT_INDEX_OFFSET)

    DECL_DUMP()
};
}  // namespace panda::ecmascript

#endif  // ECMASCRIPT_JS_SET_ITERATOR_H