1 /** 2 * Copyright (c) 2022-2024 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_TOOLING_INSPECTOR_DEBUG_INFO_CACHE_H 17 #define PANDA_TOOLING_INSPECTOR_DEBUG_INFO_CACHE_H 18 19 #include "disassembler/disasm_backed_debug_info_extractor.h" 20 21 #include "method.h" 22 #include "tooling/debugger.h" 23 #include "runtime/include/typed_value.h" 24 25 #include <memory> 26 #include <set> 27 #include <unordered_map> 28 #include <unordered_set> 29 #include <vector> 30 31 namespace ark::tooling::inspector { 32 class DebugInfoCache final { 33 public: 34 DebugInfoCache() = default; 35 ~DebugInfoCache() = default; 36 37 NO_COPY_SEMANTIC(DebugInfoCache); 38 NO_MOVE_SEMANTIC(DebugInfoCache); 39 40 void AddPandaFile(const panda_file::File &file); 41 void GetSourceLocation(const PtFrame &frame, std::string_view &sourceFile, std::string_view &methodName, 42 size_t &lineNumber); 43 std::unordered_set<PtLocation, HashLocation> GetCurrentLineLocations(const PtFrame &frame); 44 std::unordered_set<PtLocation, HashLocation> GetContinueToLocations(std::string_view sourceFile, size_t lineNumber); 45 std::vector<PtLocation> GetBreakpointLocations(const std::function<bool(std::string_view)> &sourceFileFilter, 46 size_t lineNumber, std::set<std::string_view> &sourceFiles); 47 std::set<size_t> GetValidLineNumbers(std::string_view sourceFile, size_t startLine, size_t endLine, 48 bool restrictToFunction); 49 50 std::map<std::string, TypedValue> GetLocals(const PtFrame &frame); 51 52 std::string GetSourceCode(std::string_view sourceFile); 53 54 private: 55 const panda_file::DebugInfoExtractor &GetDebugInfo(const panda_file::File *file); 56 57 template <typename PFF, typename MF, typename H> EnumerateLineEntries(PFF && pandaFileFilter,MF && methodFilter,H && handler)58 void EnumerateLineEntries(PFF &&pandaFileFilter, MF &&methodFilter, H &&handler) 59 { 60 os::memory::LockHolder lock(debugInfosMutex_); 61 62 for (auto &[file, debugInfo] : debugInfos_) { 63 if (!pandaFileFilter(file, debugInfo)) { 64 continue; 65 } 66 67 for (auto methodId : debugInfo.GetMethodIdList()) { 68 if (!methodFilter(file, debugInfo, methodId)) { 69 continue; 70 } 71 72 EnumerateLineEntries(file, debugInfo, methodId, std::forward<H>(handler)); 73 } 74 } 75 } 76 77 template <typename H> EnumerateLineEntries(const panda_file::File * file,const disasm::DisasmBackedDebugInfoExtractor & debugInfo,panda_file::File::EntityId methodId,H && handler)78 void EnumerateLineEntries(const panda_file::File *file, const disasm::DisasmBackedDebugInfoExtractor &debugInfo, 79 panda_file::File::EntityId methodId, H &&handler) REQUIRES(debugInfosMutex_) 80 { 81 auto &table = debugInfo.GetLineNumberTable(methodId); 82 for (auto it = table.begin(); it != table.end(); ++it) { 83 auto next = it + 1; 84 if (!handler(file, debugInfo, methodId, *it, next != table.end() ? &*next : nullptr)) { 85 break; 86 } 87 } 88 } 89 90 os::memory::Mutex debugInfosMutex_; 91 std::unordered_map<const panda_file::File *, disasm::DisasmBackedDebugInfoExtractor> debugInfos_ 92 GUARDED_BY(debugInfosMutex_); 93 94 os::memory::Mutex disassembliesMutex_; 95 std::unordered_map<std::string_view, std::pair<const panda_file::File &, panda_file::File::EntityId>> disassemblies_ 96 GUARDED_BY(disassembliesMutex_); 97 }; 98 } // namespace ark::tooling::inspector 99 100 #endif // PANDA_TOOLING_INSPECTOR_DEBUG_INFO_CACHE_H 101