1/*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef ECMASCRIPT_JS_MAP_ITERATOR_H
17#define ECMASCRIPT_JS_MAP_ITERATOR_H
18
19#include "ecmascript/js_iterator.h"
20#include "ecmascript/js_object.h"
21
22namespace panda::ecmascript {
23class JSMapIterator : public JSObject {
24public:
25    static JSMapIterator *Cast(TaggedObject *obj)
26    {
27        ASSERT(JSTaggedValue(obj).IsJSMapIterator());
28        return static_cast<JSMapIterator *>(obj);
29    }
30    static JSHandle<JSTaggedValue> CreateMapIterator(JSThread *thread, const JSHandle<JSTaggedValue> &obj,
31                                                     IterationKind kind);
32
33    static JSTaggedValue Next(EcmaRuntimeCallInfo *argv);
34    static JSTaggedValue NextInternal(JSThread *thread, JSHandle<JSTaggedValue> thisObj);
35    void Update(const JSThread *thread);
36    static JSTaggedValue MapIteratorToList(JSThread *thread, JSHandle<JSTaggedValue> iterator);
37
38    static constexpr size_t ITERATED_MAP_OFFSET = JSObject::SIZE;
39    ACCESSORS(IteratedMap, ITERATED_MAP_OFFSET, NEXT_INDEX_OFFSET);
40    ACCESSORS_PRIMITIVE_FIELD(NextIndex, uint32_t, NEXT_INDEX_OFFSET, BIT_FIELD_OFFSET)
41    ACCESSORS_BIT_FIELD(BitField, BIT_FIELD_OFFSET, LAST_OFFSET)
42    DEFINE_ALIGN_SIZE(LAST_OFFSET);
43
44    // define BitField
45    static constexpr size_t ITERATION_KIND_BITS = 2;
46    FIRST_BIT_FIELD(BitField, IterationKind, IterationKind, ITERATION_KIND_BITS)
47
48    DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, ITERATED_MAP_OFFSET, NEXT_INDEX_OFFSET)
49    DECL_DUMP()
50};
51}  // namespace panda::ecmascript
52
53#endif  // ECMASCRIPT_JS_MAP_ITERATOR_H
54