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_ELEMENT_ACCESSOR_INL_H
17#define ECMASCRIPT_ELEMENT_ACCESSOR_INL_H
18
19#include "ecmascript/element_accessor.h"
20
21#include "ecmascript/mem/barriers-inl.h"
22#include "ecmascript/js_tagged_value-inl.h"
23#include "ecmascript/js_thread.h"
24#include "ecmascript/tagged_array.h"
25
26namespace panda::ecmascript {
27
28template<typename T>
29inline void ElementAccessor::Set(const JSThread *thread, JSHandle<JSObject> receiver, uint32_t idx,
30                                 const JSHandle<T> &value, bool needTransition, ElementsKind extraKind)
31{
32    // Change elementsKind
33    ElementsKind oldKind = receiver->GetClass()->GetElementsKind();
34    if (needTransition && JSHClass::TransitToElementsKind(thread, receiver,
35                                                          JSHandle<JSTaggedValue>(value), extraKind)) {
36        ElementsKind newKind = receiver->GetClass()->GetElementsKind();
37        // GC might happen when migrating Array
38        Elements::MigrateArrayWithKind(thread, receiver, oldKind, newKind);
39    }
40
41    TaggedArray *elements = TaggedArray::Cast(receiver->GetElements());
42    ASSERT(idx < elements->GetLength());
43    size_t offset = JSTaggedValue::TaggedTypeSize() * idx;
44
45    ElementsKind kind = receiver->GetClass()->GetElementsKind();
46    if (!elements->GetClass()->IsMutantTaggedArray()) {
47        kind = ElementsKind::GENERIC;
48    }
49
50    JSTaggedType convertedValue = ConvertTaggedValueWithElementsKind(value.GetTaggedValue(), kind);
51    // NOLINTNEXTLINE(readability-braces-around-statements, bugprone-suspicious-semicolon)
52    if (value.GetTaggedValue().IsHeapObject()) {
53        Barriers::SetObject<true>(thread, elements->GetData(), offset, convertedValue);
54    } else {  // NOLINTNEXTLINE(readability-misleading-indentation)
55        Barriers::SetPrimitive<JSTaggedType>(elements->GetData(), offset, convertedValue);
56    }
57}
58
59template<typename T>
60void ElementAccessor::FastSet(const JSThread *thread, JSHandle<TaggedArray> elements, uint32_t idx,
61                              const JSHandle<T> &value, ElementsKind kind)
62{
63    ASSERT(idx < elements->GetLength());
64    size_t offset = JSTaggedValue::TaggedTypeSize() * idx;
65    JSTaggedValue rawValue = value.GetTaggedValue();
66    switch (kind) {
67        case ElementsKind::INT:
68            Barriers::SetPrimitive<JSTaggedType>(elements->GetData(), offset,
69                                                 static_cast<JSTaggedType>(rawValue.GetInt()));
70            break;
71        case ElementsKind::NUMBER:
72            if (rawValue.IsInt()) {
73                int intValue = rawValue.GetInt();
74                Barriers::SetPrimitive<JSTaggedType>(elements->GetData(), offset,
75                                                     base::bit_cast<JSTaggedType>(static_cast<double>(intValue)));
76            } else {
77                Barriers::SetPrimitive<JSTaggedType>(elements->GetData(), offset,
78                                                     base::bit_cast<JSTaggedType>(rawValue.GetDouble()));
79            }
80            break;
81        case ElementsKind::TAGGED:
82            if (value.GetTaggedValue().IsHeapObject()) {
83                Barriers::SetObject<true>(thread, elements->GetData(), offset, rawValue.GetRawData());
84            } else {  // NOLINTNEXTLINE(readability-misleading-indentation)
85                Barriers::SetPrimitive<JSTaggedType>(elements->GetData(), offset, rawValue.GetRawData());
86            }
87            break;
88        default:
89            LOG_ECMA(FATAL) << "Trying to Convert TaggedValue With Unknown ElementsKind";
90            UNREACHABLE();
91            break;
92    }
93}
94}  // namespace panda::ecmascript
95#endif  // ECMASCRIPT_ELEMENT_ACCESSOR_INL_H
96