mirror of
https://github.com/openharmony/ark_runtime_core.git
synced 2026-07-15 09:15:36 -04:00
Ilya Trubachev
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
/*
|
|
* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef PANDA_RUNTIME_HANDLE_STORAGE_H_
|
|
#define PANDA_RUNTIME_HANDLE_STORAGE_H_
|
|
|
|
#include "runtime/include/coretypes/tagged_value.h"
|
|
#include "runtime/include/mem/allocator.h"
|
|
#include "runtime/include/mem/panda_containers.h"
|
|
|
|
namespace panda {
|
|
class LocalScope;
|
|
class EscapeLocalScope;
|
|
|
|
template <class T>
|
|
class HandleScope;
|
|
|
|
template <class T>
|
|
class EscapeHandleScope;
|
|
|
|
using InternalAllocatorPtr = mem::AllocatorPtr<mem::AllocatorPurpose::ALLOCATOR_PURPOSE_INTERNAL>;
|
|
|
|
// storage is the storage structure of the object pointer
|
|
template <typename T>
|
|
class HandleStorage {
|
|
public:
|
|
explicit HandleStorage(InternalAllocatorPtr allocator) : allocator_(allocator)
|
|
{
|
|
ASSERT(allocator_ != nullptr);
|
|
};
|
|
~HandleStorage()
|
|
{
|
|
for (auto n : nodes_) {
|
|
allocator_->Delete(n);
|
|
}
|
|
nodes_.clear();
|
|
}
|
|
|
|
NO_COPY_SEMANTIC(HandleStorage);
|
|
NO_MOVE_SEMANTIC(HandleStorage);
|
|
|
|
private:
|
|
static const uint32_t NODE_BLOCK_SIZE_LOG2 = 10;
|
|
static const uint32_t NODE_BLOCK_SIZE = 1U << NODE_BLOCK_SIZE_LOG2;
|
|
static const uint32_t NODE_BLOCK_SIZE_MASK = NODE_BLOCK_SIZE - 1;
|
|
|
|
void ZapFreedHandles();
|
|
|
|
// TaggedType has been specialized for js, Other types are empty implementation
|
|
void UpdateHeapObject() {}
|
|
|
|
// TaggedType has been specialized for js, Other types are empty implementation
|
|
void VisitGCRoots([[maybe_unused]] const ObjectVisitor &cb) {}
|
|
|
|
uintptr_t NewHandle(T value = 0);
|
|
|
|
void FreeHandles(uint32_t beginIndex);
|
|
|
|
uintptr_t GetNodeAddress(uint32_t index) const;
|
|
|
|
uint32_t lastIndex_ {0};
|
|
PandaVector<std::array<T, NODE_BLOCK_SIZE> *> nodes_;
|
|
InternalAllocatorPtr allocator_ {nullptr};
|
|
friend class ManagedThread;
|
|
friend class HandleScope<T>;
|
|
friend class LocalScope;
|
|
friend class EscapeLocalScope;
|
|
friend class EscapeHandleScope<T>;
|
|
};
|
|
|
|
} // namespace panda
|
|
|
|
#endif // PANDA_RUNTIME_HANDLE_STORAGE_H_
|