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https://gitee.com/openharmony/arkcompiler_ets_runtime
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420b5ec786
Change-Id: I64c028590421704e408affab581df52a71ab9579 Signed-off-by: xiaoweidong <xiaoweidong@huawei.com>
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/*
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* Copyright (c) 2024 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMASCRIPT_SUSTAINING_JS_HANDLE_H
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#define ECMASCRIPT_SUSTAINING_JS_HANDLE_H
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#include "ecmascript/common.h"
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#include "ecmascript/platform/mutex.h"
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#include "ecmascript/ecma_vm.h"
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namespace panda::ecmascript {
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class SustainingJSHandle {
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public:
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SustainingJSHandle(EcmaVM *vm);
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~SustainingJSHandle();
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template <typename T>
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JSHandle<T> NewHandle(JSHandle<T> value)
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{
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return JSHandle<T>(GetJsHandleSlot(value.GetTaggedType()));
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}
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template <typename T>
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JSHandle<T> NewHandle(JSTaggedType value)
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{
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return JSHandle<T>(GetJsHandleSlot(value));
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}
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void Iterate(const RootRangeVisitor &rv);
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private:
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uintptr_t GetJsHandleSlot(JSTaggedType value);
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uintptr_t Expand();
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EcmaVM *vm_ { nullptr };
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JSTaggedType *blockNext_ { nullptr };
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JSTaggedType *blockLimit_ { nullptr };
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SustainingJSHandle *pre_ { nullptr };
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SustainingJSHandle *next_ { nullptr };
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EcmaContext *context_ { nullptr };
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static constexpr uint32_t BLOCK_SIZE = 256L;
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std::vector<std::array<JSTaggedType, BLOCK_SIZE>*> handleBlocks_;
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friend class SustainingJSHandleList;
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};
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class SustainingJSHandleList {
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public:
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void AddSustainingJSHandle(SustainingJSHandle *sustainingJSHandle);
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void RemoveSustainingJSHandle(SustainingJSHandle *sustainingJSHandle);
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void Iterate(const RootRangeVisitor &rv);
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private:
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SustainingJSHandle *listHead_ { nullptr };
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Mutex mutex_;
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_SUSTAINING_JS_HANDLE_H
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