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_ON_HEAP_H
17#define ECMASCRIPT_ON_HEAP_H
18
19#include "ecmascript/js_tagged_value.h"
20
21namespace panda::ecmascript {
22enum class OnHeapMode : uint8_t {
23    NONE = 0,
24    ON_HEAP,
25    NOT_ON_HEAP,
26};
27
28class OnHeap {
29public:
30    static bool IsNone(OnHeapMode mode)
31    {
32        return !(mode == OnHeapMode::ON_HEAP || mode == OnHeapMode::NOT_ON_HEAP);
33    }
34
35    static OnHeapMode Merge(OnHeapMode first, OnHeapMode second)
36    {
37        if (IsNone(first) || IsNone(second) || (first != second)) {
38            return OnHeapMode::NONE;
39        }
40        return first;
41    }
42
43    static bool ToBoolean(OnHeapMode mode)
44    {
45        ASSERT(!IsNone(mode));
46        return mode == OnHeapMode::ON_HEAP;
47    }
48};
49}  // namespace panda::ecmascript
50#endif // ECMASCRIPT_ON_HEAP_H
51