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1 /*
2  * Copyright (c) 2021-2025 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_DISASM_BACKED_DEBUG_INFO_EXTRACTOR_H
17 #define PANDA_DISASM_BACKED_DEBUG_INFO_EXTRACTOR_H
18 
19 #include "disassembler.h"
20 
21 namespace ark::disasm {
22 class PANDA_PUBLIC_API DisasmBackedDebugInfoExtractor : public panda_file::DebugInfoExtractor {
23 public:
24     explicit DisasmBackedDebugInfoExtractor(
25         const panda_file::File &file,
26         std::function<void(panda_file::File::EntityId, std::string_view)> &&onDisasmSourceName = [](auto, auto) {});
27 
28     const panda_file::LineNumberTable &GetLineNumberTable(panda_file::File::EntityId methodId) const override;
29     const panda_file::ColumnNumberTable &GetColumnNumberTable(panda_file::File::EntityId methodId) const override;
30     const panda_file::LocalVariableTable &GetLocalVariableTable(panda_file::File::EntityId methodId) const override;
31     const std::vector<ParamInfo> &GetParameterInfo(panda_file::File::EntityId methodId) const override;
32     const char *GetSourceFile(panda_file::File::EntityId methodId) const override;
33     const char *GetSourceCode(panda_file::File::EntityId methodId) const override;
34     bool IsUserFile() const override;
35     void SetUserFile(bool isUser);
36 
37 private:
38     struct Disassembly {
39         std::string sourceCode;
40         panda_file::LineNumberTable lineTable;
41         std::vector<ParamInfo> parameterInfo;
42         panda_file::LocalVariableTable localVariableTable;
43     };
44 
45     const std::optional<std::string> &GetDisassemblySourceName(panda_file::File::EntityId methodId) const;
46     const Disassembly &GetDisassembly(panda_file::File::EntityId methodId) const;
47 
48     const std::string sourceNamePrefix_;
49     const std::function<void(panda_file::File::EntityId, std::string_view)> onDisasmSourceName_;
50 
51     mutable os::memory::Mutex mutex_;
52     mutable Disassembler disassembler_ GUARDED_BY(mutex_);
53     mutable std::unordered_map<panda_file::File::EntityId, std::optional<std::string>> sourceNames_ GUARDED_BY(mutex_);
54     mutable std::unordered_map<panda_file::File::EntityId, Disassembly> disassemblies_ GUARDED_BY(mutex_);
55     bool isUserFile_ = false;
56 };
57 }  // namespace ark::disasm
58 
59 #endif  // PANDA_DISASM_BACKED_DEBUG_INFO_EXTRACTOR_H
60