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 ECMASCRIPT_JSPANDAFILE_ACCESSOR_MODULE_DATA_ACCESSOR_H 17 #define ECMASCRIPT_JSPANDAFILE_ACCESSOR_MODULE_DATA_ACCESSOR_H 18 19 #include <cstddef> 20 #include <cstdint> 21 #include <variant> 22 #include <vector> 23 24 #include "libpandabase/macros.h" 25 #include "libpandabase/utils/span.h" 26 #include "libpandafile/file.h" 27 #include "libpandafile/file_items.h" 28 #include "libpandafile/helpers.h" 29 30 #include "ecmascript/module/js_module_source_text.h" 31 32 namespace panda::ecmascript { 33 using StringData = panda_file::File::StringData; 34 35 class ModuleDataAccessor { 36 public: 37 ModuleDataAccessor(const panda_file::File &panda_file, panda_file::File::EntityId module_data_id); 38 ~ModuleDataAccessor() = default; 39 DEFAULT_MOVE_CTOR(ModuleDataAccessor) 40 DEFAULT_COPY_CTOR(ModuleDataAccessor) 41 NO_MOVE_OPERATOR(ModuleDataAccessor); 42 NO_COPY_OPERATOR(ModuleDataAccessor); 43 44 void EnumerateImportEntry(JSThread *thread, const JSHandle<TaggedArray> &requestModuleArray, 45 JSHandle<SourceTextModule> &moduleRecord); 46 47 void EnumerateLocalExportEntry(JSThread *thread, JSHandle<SourceTextModule> &moduleRecord); 48 49 void EnumerateIndirectExportEntry(JSThread *thread, const JSHandle<TaggedArray> &requestModuleArray, 50 JSHandle<SourceTextModule> &moduleRecord); 51 52 void EnumerateStarExportEntry(JSThread *thread, const JSHandle<TaggedArray> &requestModuleArray, 53 JSHandle<SourceTextModule> &moduleRecord); 54 GetPandaFile()55 const panda_file::File &GetPandaFile() const 56 { 57 return pandaFile_; 58 } 59 GetModuleDataId()60 panda_file::File::EntityId GetModuleDataId() const 61 { 62 return moduleDataId_; 63 } 64 getRequestModules()65 const std::vector<uint32_t>& getRequestModules() const 66 { 67 return moduleRequests_; 68 } 69 70 using ModuleValue = std::variant<uint32_t, StringData>; 71 72 private: 73 const panda_file::File &pandaFile_; 74 panda_file::File::EntityId moduleDataId_; 75 uint32_t numModuleRequests_; 76 std::vector<uint32_t> moduleRequests_; 77 Span<const uint8_t> entryDataSp_ {nullptr, nullptr}; 78 }; 79 } // namespace panda::ecmascript 80 #endif // ECMASCRIPT_JSPANDAFILE_ACCESSOR_MODULE_DATA_ACCESSOR_H 81