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 #include "ecmascript/log_wrapper.h" 29 30 namespace panda { 31 namespace ecmascript { 32 using Clock = std::chrono::high_resolution_clock; 33 34 struct SourceMapInfo { 35 int32_t beforeRow = 0; 36 int32_t beforeColumn = 0; 37 int32_t afterRow = 0; 38 int32_t afterColumn = 0; 39 int32_t sourcesVal = 0; 40 int32_t namesVal = 0; 41 }; 42 43 struct MappingInfo { 44 int32_t row = 0; 45 int32_t col = 0; 46 }; 47 48 class SourceMapData final { 49 public: 50 SourceMapData() = default; 51 ~SourceMapData() = default; 52 53 std::string url_; 54 SourceMapInfo nowPos_; 55 std::vector<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 class SourceMap final { 66 public: 67 SourceMap() = default; 68 ~SourceMap() = default; 69 70 #if defined(PANDA_TARGET_OHOS) 71 void Init(const std::string& hapPath); 72 #endif 73 void Init(uint8_t *data, size_t dataSize); 74 bool TranslateUrlPositionBySourceMap(std::string& url, int& line, int& column, std::string& packageName); 75 76 private: 77 void SplitSourceMap(const std::string& sourceMapData); 78 void ExtractSourceMapData(const std::string& sourceMapData, std::shared_ptr<SourceMapData>& curMapData); 79 void ExtractKeyInfo(const std::string& sourceMap, std::vector<std::string>& sourceKeyInfo); 80 std::vector<std::string> HandleMappings(const std::string& mapping); 81 bool VlqRevCode(const std::string& vStr, std::vector<int32_t>& ans); 82 MappingInfo Find(int32_t row, int32_t col, const SourceMapData& targetMap, bool& isReplaces); 83 void GetPosInfo(const std::string& temp, int32_t start, std::string& line, std::string& column); 84 bool GetLineAndColumnNumbers(int& line, int& column, SourceMapData& targetMap, bool& isReplaces); 85 uint32_t Base64CharToInt(char charCode); 86 void GetPackageName(std::string& url, std::string& packageName); 87 friend class SourceMapFriend; 88 #if defined(PANDA_TARGET_OHOS) 89 bool ReadSourceMapData(const std::string& hapPath, std::string& content); 90 #endif 91 92 private: 93 std::unordered_map<std::string, std::string> sources_; 94 std::unordered_map<std::string, std::string> mappings_; 95 std::unordered_map<std::string, std::shared_ptr<SourceMapData>> sourceMaps_; 96 std::unordered_map<std::string, std::string> entryPackageInfo_; 97 std::unordered_map<std::string, std::string> packageInfo_; 98 std::unordered_map<std::string, std::string> packageName_; 99 }; 100 } // namespace panda 101 } // namespace ecmascript 102 103 #endif // OHOS_ABILITY_JS_ENVIRONMENT_SOURCE_MAP_H 104