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 #ifndef ECMASCRIPT_JSPANDAFILE_QUICK_FIX_MANAGER_H 16 #define ECMASCRIPT_JSPANDAFILE_QUICK_FIX_MANAGER_H 17 18 #include "ecmascript/jspandafile/quick_fix_loader.h" 19 20 namespace panda::ecmascript { 21 class QuickFixManager { 22 public: 23 using QuickFixQueryCallBack = bool (*)(std::string, std::string &, void **, size_t); 24 25 QuickFixManager() = default; 26 ~QuickFixManager(); 27 28 void RegisterQuickFixQueryFunc(const QuickFixQueryCallBack callBack); 29 void LoadPatchIfNeeded(JSThread *thread, const std::string &baseFileName); 30 bool LoadPatch(JSThread *thread, const std::string &patchFileName, const std::string &baseFileName); 31 bool LoadPatch(JSThread *thread, const std::string &patchFileName, const void *patchBuffer, size_t patchSize, 32 const std::string &baseFileName); 33 bool UnloadPatch(JSThread *thread, const std::string &patchFileName); 34 bool IsQuickFixCausedException(JSThread *thread, 35 const JSHandle<JSTaggedValue> &exceptionInfo, 36 const std::string &patchFileName); 37 private: 38 // check whether the callback is registered. HasQueryQuickFixInfoFunc()39 bool HasQueryQuickFixInfoFunc() const 40 { 41 return callBack_ != nullptr; 42 } 43 44 // check whether the patch is loaded. HasLoadedPatch(std::string & patchFileName)45 inline bool HasLoadedPatch(std::string &patchFileName) const 46 { 47 return quickFixLoaders_.find(patchFileName) != quickFixLoaders_.end(); 48 } 49 50 CUnorderedSet<CString> ParseStackInfo(const CString &stackInfo); 51 52 // For multi patch. 53 // key: patchFileName, value: QuickFixLoader of this patch. 54 CMap<std::string, QuickFixLoader*> quickFixLoaders_; 55 QuickFixQueryCallBack callBack_ {nullptr}; 56 }; 57 } // namespace panda::ecmascript 58 #endif // ECMASCRIPT_JSPANDAFILE_QUICK_FIX_MANAGER_H