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1 /*
2  * Copyright (c) 2022 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 FOUNDATION_ABILITY_RUNTIME_SOURCE_MAP_H
17 #define FOUNDATION_ABILITY_RUNTIME_SOURCE_MAP_H
18 
19 #include <cstring>
20 #include <fstream>
21 #include <limits.h>
22 #include <map>
23 #include <utility>
24 #include <thread>
25 #include <vector>
26 
27 namespace panda::ecmascript {
28 class EcmaVM;
29 } // namespace panda::ecmascript
30 namespace OHOS::AbilityRuntime {
31 using ErrorPos = std::pair<uint32_t, uint32_t>;
32 using panda::ecmascript::EcmaVM;
33 struct SourceMapInfo {
34     int32_t beforeRow = 0;
35     int32_t beforeColumn = 0;
36     int32_t afterRow = 0;
37     int32_t afterColumn = 0;
38     int32_t sourcesVal = 0;
39     int32_t namesVal = 0;
40 };
41 
42 struct MappingInfo {
43     int32_t row = 0;
44     int32_t col = 0;
45     std::string sources;
46 };
47 
48 class SourceMapData final {
49 public:
50     SourceMapData() = default;
51     ~SourceMapData() = default;
52 
53     SourceMapInfo nowPos_;
54     std::vector<std::string> files_;
55     std::vector<std::string> sources_;
56     std::vector<std::string> names_;
57     std::vector<std::string> mappings_;
58     std::vector<SourceMapInfo> afterPos_;
59 
GetSourceMapData()60     inline SourceMapData GetSourceMapData() const
61     {
62         return *this;
63     }
64 };
65 
66 class ModSourceMap final {
67 public:
68     explicit ModSourceMap() = default;
ModSourceMap(const bool isStageModel)69     explicit ModSourceMap(const bool isStageModel) : isStageModel(isStageModel) {};
ModSourceMap(const std::string & bundleCodeDir,const bool isStageModel)70     explicit ModSourceMap(const std::string& bundleCodeDir, const bool isStageModel) :
71                           isStageModel(isStageModel), bundleCodeDir_(bundleCodeDir) {};
72     ~ModSourceMap() = default;
73 
74     static std::string TranslateBySourceMap(const std::string& stackStr, ModSourceMap& targetMaps, const std::string& BundleCodeDir);
75     static std::string GetOriginalNames(std::shared_ptr<SourceMapData> targetMapData, const std::string& sourceCode,
76                                         uint32_t& errorPos);
77     static ErrorPos GetErrorPos(const std::string& rawStack);
78     static void NonModularLoadSourceMap(ModSourceMap& targetMaps, const std::string& targetMap);
79 
80     bool isStageModel = true;
81 
82 private:
83     static void Init(const std::string& sourceMap, SourceMapData& curMap);
84     static bool GetSourceMapData(ModSourceMap& bindSourceMaps, const std::string& temp, SourceMapData& curMapData);
85     static MappingInfo Find(int32_t row, int32_t col, const SourceMapData& targetMap, const std::string& key);
86     static void ExtractKeyInfo(const std::string& sourceMap, std::vector<std::string>& sourceKeyInfo);
87     static void GetPosInfo(const std::string& temp, int32_t start, std::string& line, std::string& column);
88     static int32_t StringToInt(const std::string& value);
89     static std::string GetRelativePath(const std::string& sources);
90     static std::string GetSourceInfo(const std::string& line, const std::string& column, const SourceMapData& targetMap, const std::string& key);
91     static bool ReadSourceMapData(const std::string& filePath, std::string& content);
92     static std::vector<std::string> HandleMappings(const std::string& mapping);
93     static uint32_t Base64CharToInt(char charCode);
94     static bool VlqRevCode(const std::string& vStr, std::vector<int32_t>& ans);
95 
96     std::string bundleCodeDir_;
97     std::map<std::string, SourceMapData> sourceMaps_;
98     std::shared_ptr<SourceMapData> nonModularMap_;
99 };
100 }   // namespace OHOS::AbilityRuntime
101 
102 #endif // FOUNDATION_ACE_FRAMEWORKS_BRIDGE_COMMON_UTILS_SOURCE_MAP_H
103