1 /* 2 * Copyright (c) 2023 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 OHOS_ABILITY_JS_ENVIRONMENT_SOURCE_MAP_H 17 #define OHOS_ABILITY_JS_ENVIRONMENT_SOURCE_MAP_H 18 19 #include <cstring> 20 #include <fstream> 21 #include <limits.h> 22 #include <mutex> 23 #include <unordered_map> 24 #include <utility> 25 #include <thread> 26 #include <vector> 27 28 namespace OHOS { 29 namespace JsEnv { 30 namespace { 31 const std::string NOT_FOUNDMAP = "Cannot get SourceMap info, dump raw stack:\n"; 32 } 33 using ErrorPos = std::pair<uint32_t, uint32_t>; 34 struct SourceMapInfo { 35 int32_t beforeRow = 0; 36 int32_t beforeColumn = 0; 37 int32_t afterRow = 0; 38 int32_t afterColumn = 0; 39 }; 40 41 struct MappingInfo { 42 int32_t row = 0; 43 int32_t col = 0; 44 std::string sources; 45 }; 46 47 class SourceMapData final { 48 public: 49 SourceMapData() = default; 50 ~SourceMapData() = default; 51 52 SourceMapInfo nowPos_; 53 std::string packageName_; 54 bool isPackageInfo_ = false; 55 std::string sources_; 56 std::vector<std::string> mappings_; 57 std::vector<SourceMapInfo> afterPos_; 58 GetSourceMapData()59 inline SourceMapData GetSourceMapData() const 60 { 61 return *this; 62 } 63 }; 64 65 using ReadSourceMapCallback = std::function<bool(const std::string& hapPath, 66 const std::string& sourceMapPath, std::string& content)>; 67 using GetHapPathCallback = std::function<void(const std::string &bundleName, std::vector<std::string> &hapList)>; 68 class SourceMap final { 69 public: 70 SourceMap() = default; 71 ~SourceMap() = default; 72 73 void Init(bool& hasFile, const std::string& hapPath); 74 std::string TranslateBySourceMap(const std::string& stackStr); 75 bool TranslateUrlPositionBySourceMap(std::string& url, int& line, int& column, std::string& packageName); 76 static ErrorPos GetErrorPos(const std::string& rawStack); 77 static void RegisterReadSourceMapCallback(ReadSourceMapCallback readFunc); 78 static bool ReadSourceMapData(const std::string& hapPath, const std::string& sourceMapPath, std::string& content); 79 static void RegisterGetHapPathCallback(GetHapPathCallback getFunc); 80 static void GetHapPath(const std::string &bundleName, std::vector<std::string> &hapList); 81 bool GetLineAndColumnNumbers(int& line, int& column, SourceMapData& targetMap, std::string& url, 82 std::string& packageName); 83 static void ExtractStackInfo(const std::string& stackStr, std::vector<std::string>& res); 84 void SplitSourceMap(const std::string& sourceMapData); 85 86 private: 87 void ExtractSourceMapData(const std::string& allmappings, std::shared_ptr<SourceMapData>& curMapData); 88 void ExtractKeyInfo(const std::string& sourceMap, std::vector<std::string>& sourceKeyInfo); 89 std::vector<std::string> HandleMappings(const std::string& mapping); 90 bool VlqRevCode(const std::string& vStr, std::vector<int32_t>& ans); 91 MappingInfo Find(int32_t row, int32_t col, const SourceMapData& targetMap, const std::string& key); 92 void GetPosInfo(const std::string& temp, int32_t start, std::string& line, std::string& column); 93 std::string GetSourceInfo(const std::string& line, const std::string& column, 94 const SourceMapData& targetMap, const std::string& key); 95 static void GetPackageName(const SourceMapData& targetMap, std::string& packageName); 96 97 private: 98 static ReadSourceMapCallback readSourceMapFunc_; 99 static std::mutex sourceMapMutex_; 100 static GetHapPathCallback getHapPathFunc_; 101 std::unordered_map<std::string, std::shared_ptr<SourceMapData>> sourceMaps_; 102 }; 103 } // namespace JsEnv 104 } // namespace OHOS 105 106 #endif // OHOS_ABILITY_JS_ENVIRONMENT_SOURCE_MAP_H 107