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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 PANDA_PLUGINS_ETS_RUNTIME_INTEROP_JS_ETS_PROXY_SHARED_REFERENCE_STORAGE_H
17 #define PANDA_PLUGINS_ETS_RUNTIME_INTEROP_JS_ETS_PROXY_SHARED_REFERENCE_STORAGE_H
18 
19 #include "libpandabase/macros.h"
20 #include "plugins/ets/runtime/interop_js/ets_proxy/shared_reference.h"
21 #include "plugins/ets/runtime/interop_js/ets_proxy/mem/items_pool.h"
22 #include "plugins/ets/runtime/types/ets_object.h"
23 #include "runtime/mark_word.h"
24 
25 namespace panda::ets::interop::js {
26 class InteropCtx;
27 }  // namespace panda::ets::interop::js
28 
29 namespace panda::ets::interop::js::ets_proxy {
30 
31 namespace testing {
32 class SharedReferenceStorage1GTest;
33 }  // namespace testing
34 
35 using SharedReferencePool = ItemsPool<SharedReference, SharedReference::MAX_MARK_BITS>;
36 
37 class SharedReferenceStorage : private SharedReferencePool {
38 public:
39     static std::unique_ptr<SharedReferenceStorage> Create();
40     ~SharedReferenceStorage() = default;
41 
HasReference(EtsObject * etsObject)42     static bool HasReference(EtsObject *etsObject)
43     {
44         return SharedReference::HasReference(etsObject);
45     }
46 
47     SharedReference *CreateETSObjectRef(InteropCtx *ctx, EtsObject *etsObject, napi_value jsObject);
48     SharedReference *CreateJSObjectRef(InteropCtx *ctx, EtsObject *etsObject, napi_value jsObject);
49     SharedReference *CreateHybridObjectRef(InteropCtx *ctx, EtsObject *etsObject, napi_value jsObject);
50 
51     SharedReference *GetReference(napi_env env, napi_value jsObject);
52     SharedReference *GetReference(EtsObject *etsObject);
53 
GetNextAlloc()54     SharedReference *GetNextAlloc() const
55     {
56         return SharedReferencePool::GetNextAlloc();
57     }
58 
59     static constexpr size_t MAX_POOL_SIZE = (sizeof(void *) > 4) ? 1_GB : 64_MB;
60 
61 private:
SharedReferenceStorage(void * data,size_t size)62     SharedReferenceStorage(void *data, size_t size) : SharedReferencePool(data, size) {}
63     NO_COPY_SEMANTIC(SharedReferenceStorage);
64     NO_MOVE_SEMANTIC(SharedReferenceStorage);
65 
66     template <SharedReference::InitFn REF_INIT>
67     inline SharedReference *CreateReference(InteropCtx *ctx, EtsObject *etsObject, napi_value jsObject);
68 
69     SharedReference *GetReference(void *data);
70     void RemoveReference(SharedReference *sharedRef);
71 
72     bool CheckAlive(void *data);
73     friend class SharedReference;
74     friend class testing::SharedReferenceStorage1GTest;
75 };
76 
77 }  // namespace panda::ets::interop::js::ets_proxy
78 
79 #endif  // !PANDA_PLUGINS_ETS_RUNTIME_INTEROP_JS_ETS_PROXY_SHARED_REFERENCE_STORAGE_H
80