• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 "native_reference_manager.h"
17 
18 #include "native_engine/impl/ark/ark_native_reference.h"
19 
NativeReferenceManager()20 NativeReferenceManager::NativeReferenceManager() : references_(nullptr) {}
21 
~NativeReferenceManager()22 NativeReferenceManager::~NativeReferenceManager()
23 {
24     for (auto handler = references_; handler != nullptr; handler = references_) {
25         references_ = reinterpret_cast<ArkNativeReference*>(handler)->next_;
26         delete handler;
27     }
28 }
29 
CreateHandler(NativeReference * reference)30 void NativeReferenceManager::CreateHandler(NativeReference* reference)
31 {
32     if (references_) {
33         reinterpret_cast<ArkNativeReference*>(references_)->prev_ = reference;
34         reinterpret_cast<ArkNativeReference*>(reference)->next_ = references_;
35     }
36     references_ = reference;
37 }
38 
ReleaseHandler(NativeReference * reference)39 void NativeReferenceManager::ReleaseHandler(NativeReference* reference)
40 {
41     NativeReference* prev = reinterpret_cast<ArkNativeReference*>(reference)->prev_;
42     NativeReference* next = reinterpret_cast<ArkNativeReference*>(reference)->next_;
43 
44     if (prev) {
45         reinterpret_cast<ArkNativeReference*>(prev)->next_ = next;
46     } else {
47         // reference is the head node.
48         references_ = next;
49     }
50     if (next) {
51         reinterpret_cast<ArkNativeReference*>(next)->prev_ = prev;
52     }
53 }
54