1/*
2 * Copyright (c) 2023 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_MEM_LAYOUT_VISITOR_H
17#define ECMASCRIPT_MEM_LAYOUT_VISITOR_H
18
19#include <functional>
20
21#include "ecmascript/js_hclass.h"
22#include "ecmascript/mem/slots.h"
23
24namespace panda::ecmascript {
25template <VisitType visitType, size_t size>
26class JSObjectBodyIterator {
27public:
28    static inline void IterateBody(TaggedObject *root, const EcmaObjectRangeVisitor& visitor)
29    {
30        auto hclass = root->SynchronizedGetClass();
31        auto objSize = hclass->GetObjectSize();
32        if (objSize > size) {
33            if (hclass->IsAllTaggedProp()) {
34                IteratorRange(root, visitor, size, objSize, VisitObjectArea::NORMAL);
35            } else {
36                IteratorRange(root, visitor, size, objSize, VisitObjectArea::IN_OBJECT);
37            }
38        }
39    }
40
41    static inline void IteratorRange(TaggedObject *root, const EcmaObjectRangeVisitor& visitor,
42        size_t start, size_t end, VisitObjectArea area)
43    {
44        visitor(root, ObjectSlot(ToUintPtr(root) + start), ObjectSlot(ToUintPtr(root) + end), area);
45    }
46};
47}  // namespace panda::ecmascript
48#endif  // ECMASCRIPT_MEM_LAYOUT_VISITOR_H
49