1 /* 2 * Copyright (c) 2022-2025 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_MODULE_ACCESSOR_MODULE_DATA_ACCESSOR_H 17 #define ECMASCRIPT_MODULE_ACCESSOR_MODULE_DATA_ACCESSOR_H 18 19 #include <cstddef> 20 #include <cstdint> 21 #include <variant> 22 #include <vector> 23 24 #include "ecmascript/module/js_module_source_text.h" 25 26 #include "libpandabase/macros.h" 27 #include "libpandabase/utils/span.h" 28 29 namespace panda::ecmascript { 30 class ModuleDataAccessor { 31 public: 32 ModuleDataAccessor(const JSPandaFile *pandaFile, panda_file::File::EntityId module_data_id); 33 ~ModuleDataAccessor() = default; 34 DEFAULT_MOVE_CTOR(ModuleDataAccessor) 35 DEFAULT_COPY_CTOR(ModuleDataAccessor) 36 NO_MOVE_OPERATOR(ModuleDataAccessor); 37 NO_COPY_OPERATOR(ModuleDataAccessor); 38 39 void EnumerateImportEntry(JSThread *thread, JSHandle<SourceTextModule> &moduleRecord); 40 41 void EnumerateLocalExportEntry(JSThread *thread, JSHandle<SourceTextModule> &moduleRecord); 42 43 void EnumerateIndirectExportEntry(JSThread *thread, JSHandle<SourceTextModule> &moduleRecord); 44 45 void EnumerateStarExportEntry(JSThread *thread, JSHandle<SourceTextModule> &moduleRecord); 46 JSHandle<TaggedArray> CreatEntries(JSThread *thread, uint32_t regularImportNum, SharedTypes sharedType); 47 GetModuleDataId()48 panda_file::File::EntityId GetModuleDataId() const 49 { 50 return moduleDataId_; 51 } 52 getModuleRequests()53 const std::vector<uint32_t>& getModuleRequests() const 54 { 55 return moduleRequests_; 56 } 57 58 private: 59 void ReadRegularImportEntry(Span<const uint8_t> *sp, ObjectFactory *factory, 60 JSMutableHandle<JSTaggedValue> &importName, 61 JSMutableHandle<JSTaggedValue> &localName, 62 uint32_t &moduleRequestIdx); 63 64 void ReadNamespaceImportEntry(Span<const uint8_t> *sp, ObjectFactory *factory, 65 JSMutableHandle<JSTaggedValue> &localName, 66 uint32_t &moduleRequestIdx); 67 68 const JSPandaFile *pandaFile_; 69 panda_file::File::EntityId moduleDataId_; 70 uint32_t numModuleRequests_; 71 std::vector<uint32_t> moduleRequests_; 72 Span<const uint8_t> entryDataSp_ {nullptr, nullptr}; 73 }; 74 } // namespace panda::ecmascript 75 #endif // ECMASCRIPT_MODULE_ACCESSOR_MODULE_DATA_ACCESSOR_H 76