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 #include "ecmascript/js_tagged_value.h"
17 #include "js_map.h"
18 #include "linked_hash_table-inl.h"
19 #include "object_factory.h"
20 #include "utils/bit_utils.h"
21
22 namespace panda::ecmascript {
Set(JSThread * thread,const JSHandle<JSMap> & map,const JSHandle<JSTaggedValue> & key,const JSHandle<JSTaggedValue> & value)23 void JSMap::Set(JSThread *thread, const JSHandle<JSMap> &map, const JSHandle<JSTaggedValue> &key,
24 const JSHandle<JSTaggedValue> &value)
25 {
26 if (!LinkedHashMap::IsKey(key.GetTaggedValue())) {
27 THROW_TYPE_ERROR(thread, "the value must be Key of JSSet");
28 }
29 JSHandle<LinkedHashMap> mapHandle(thread, LinkedHashMap::Cast(map->GetLinkedMap().GetTaggedObject()));
30
31 JSHandle<LinkedHashMap> newMap = LinkedHashMap::Set(thread, mapHandle, key, value);
32 map->SetLinkedMap(thread, newMap);
33 }
34
Delete(const JSThread * thread,const JSHandle<JSMap> & map,const JSHandle<JSTaggedValue> & key)35 bool JSMap::Delete(const JSThread *thread, const JSHandle<JSMap> &map, const JSHandle<JSTaggedValue> &key)
36 {
37 JSHandle<LinkedHashMap> mapHandle(thread, LinkedHashMap::Cast(map->GetLinkedMap().GetTaggedObject()));
38 int entry = mapHandle->FindElement(key.GetTaggedValue());
39 if (entry == -1) {
40 return false;
41 }
42 mapHandle->RemoveEntry(thread, entry);
43
44 JSHandle<LinkedHashMap> newMap = LinkedHashMap::Shrink(thread, mapHandle);
45 map->SetLinkedMap(thread, newMap);
46 return true;
47 }
48
Clear(const JSThread * thread,const JSHandle<JSMap> & map)49 void JSMap::Clear(const JSThread *thread, const JSHandle<JSMap> &map)
50 {
51 LinkedHashMap *linkedMap = LinkedHashMap::Cast(map->GetLinkedMap().GetTaggedObject());
52 linkedMap->Clear(thread);
53 }
54
Has(JSTaggedValue key) const55 bool JSMap::Has(JSTaggedValue key) const
56 {
57 return LinkedHashMap::Cast(GetLinkedMap().GetTaggedObject())->Has(key);
58 }
59
Get(JSTaggedValue key) const60 JSTaggedValue JSMap::Get(JSTaggedValue key) const
61 {
62 return LinkedHashMap::Cast(GetLinkedMap().GetTaggedObject())->Get(key);
63 }
64
GetSize() const65 int JSMap::GetSize() const
66 {
67 return LinkedHashMap::Cast(GetLinkedMap().GetTaggedObject())->NumberOfElements();
68 }
69
GetKey(int entry) const70 JSTaggedValue JSMap::GetKey(int entry) const
71 {
72 ASSERT_PRINT(entry >= 0 && entry < GetSize(), "entry must be non-negative integer less than capacity");
73 return LinkedHashMap::Cast(GetLinkedMap().GetTaggedObject())->GetKey(entry);
74 }
75
GetValue(int entry) const76 JSTaggedValue JSMap::GetValue(int entry) const
77 {
78 ASSERT_PRINT(entry >= 0 && entry < GetSize(), "entry must be non-negative integer less than capacity");
79 return LinkedHashMap::Cast(GetLinkedMap().GetTaggedObject())->GetValue(entry);
80 }
81 } // namespace panda::ecmascript
82