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https://gitee.com/openharmony/arkcompiler_ets_runtime
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77 lines
3.0 KiB
C++
77 lines
3.0 KiB
C++
/*
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* Copyright (c) 2023-2024 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_DEBUGGER_DROPFRAME_MANAGER_H
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#define ECMASCRIPT_DEBUGGER_DROPFRAME_MANAGER_H
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#include "ecmascript/js_handle.h"
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#include "ecmascript/js_thread.h"
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#include "ecmascript/method.h"
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#include "libpandafile/bytecode_instruction.h"
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namespace panda::ecmascript::tooling {
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enum class MethodType : uint8_t {
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OTHER_METHOD = 0,
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NORMAL_METHOD,
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SENDABLE_METHOD
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};
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class DropframeManager {
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public:
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DropframeManager() = default;
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~DropframeManager() = default;
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NO_COPY_SEMANTIC(DropframeManager);
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NO_MOVE_SEMANTIC(DropframeManager);
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void MethodEntry(JSThread *thread, JSHandle<Method> method, JSHandle<JSTaggedValue> env);
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void MethodExit(JSThread *thread, JSHandle<Method> method);
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void DropLastFrame(JSThread *thread);
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uint32_t GetPromiseQueueSizeRecordOfTopFrame();
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bool CheckIsSendableMethod();
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private:
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bool IsNewlexenvOpcode(BytecodeInstruction::Opcode op);
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bool IsStlexvarOpcode(BytecodeInstruction::Opcode op);
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std::pair<uint16_t, uint16_t> ReadStlexvarParams(const uint8_t *pc, BytecodeInstruction::Opcode op);
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void NewLexModifyRecordLevel();
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void EmplaceLexModifyRecord(JSThread *thread, JSTaggedValue env, uint16_t slot, JSTaggedValue value);
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uint32_t GetLexModifyRecordLevel();
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std::vector<std::tuple<JSHandle<JSTaggedValue>, uint16_t, JSHandle<JSTaggedValue>>> GetLexModifyRecordOfTopFrame();
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void RemoveLexModifyRecordOfTopFrame(JSThread *thread);
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void MergeLexModifyRecordOfTopFrame(JSThread *thread);
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void PushPromiseQueueSizeRecord(JSThread *thread);
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void PopPromiseQueueSizeRecord();
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void PushMethodInfo(std::tuple<JSPandaFile*, panda_file::File::EntityId> methodInfo);
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bool CheckExitMethodInfo(std::tuple<JSPandaFile*, panda_file::File::EntityId> methodInfo);
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void PopMethodInfo();
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void PushMethodType(MethodType methodType);
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void PopMethodType();
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void AddLexPropertiesToRecord(JSThread *thread, BytecodeInstruction &bcIns, uint16_t &newEnvCount,
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std::set<std::pair<uint16_t, uint16_t>> &modifiedLexVarPos, JSHandle<JSTaggedValue> envHandle);
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std::stack<std::vector<std::tuple<JSHandle<JSTaggedValue>, uint16_t, JSHandle<JSTaggedValue>>>> modifiedLexVar_;
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std::stack<uint32_t> promiseQueueSizeRecord_;
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std::stack<MethodType> methodType_;
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std::stack<std::tuple<JSPandaFile*, panda_file::File::EntityId>> methodInfo_;
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friend class DropframeManagerFriendTest;
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};
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}
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#endif // ECMASCRIPT_DEBUGGER_DROPFRAME_MANAGER_H
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