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_REQUIRE_CJS_MODULE_H 17 #define ECMASCRIPT_REQUIRE_CJS_MODULE_H 18 19 #include "ecmascript/ecma_macros.h" 20 #include "ecmascript/js_object.h" 21 #include "ecmascript/js_tagged_value.h" 22 #include "ecmascript/ecma_runtime_call_info.h" 23 24 namespace panda::ecmascript { 25 enum class CjsModuleStatus : uint8_t { UNLOAD = 0x01, LOADED}; 26 class CjsModule final : public JSObject { 27 public: 28 CAST_CHECK(CjsModule, IsCjsModule); 29 30 // Instantiate member 31 static constexpr size_t JS_CJS_MODULE_OFFSET = JSObject::SIZE; 32 ACCESSORS(Id, JS_CJS_MODULE_OFFSET, ID_OFFSET) 33 ACCESSORS(Path, ID_OFFSET, PATH_OFFSET) 34 ACCESSORS(Exports, PATH_OFFSET, EXPORTS_OFFSET) 35 ACCESSORS(Filename, EXPORTS_OFFSET, BIT_FIELD_OFFSET) 36 ACCESSORS_BIT_FIELD(BitField, BIT_FIELD_OFFSET, LAST_SIZE) // define BitField 37 DEFINE_ALIGN_SIZE(LAST_SIZE); 38 39 static constexpr size_t STATUS_BITS = 2; 40 FIRST_BIT_FIELD(BitField, Status, CjsModuleStatus, STATUS_BITS) 41 42 DECL_DUMP() 43 DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, JS_CJS_MODULE_OFFSET, BIT_FIELD_OFFSET) 44 45 static void InitializeModule(JSThread *thread, JSHandle<CjsModule> &module, 46 JSHandle<JSTaggedValue> &filename, JSHandle<JSTaggedValue> &dirname); 47 48 static JSHandle<JSTaggedValue> SearchFromModuleCache(JSThread *thread, JSHandle<JSTaggedValue> &filename); 49 50 static void PutIntoCache(JSThread *thread, JSHandle<CjsModule> &module, JSHandle<JSTaggedValue> &filename); 51 52 static JSHandle<JSTaggedValue> Load(JSThread *thread, JSHandle<EcmaString> &request); 53 54 static JSTaggedValue Require(JSThread *thread, JSHandle<EcmaString> &request, JSHandle<CjsModule> &parent, 55 bool isMain); 56 57 static void RequireExecution(JSThread *thread, CString mergedFilename, CString requestEntryPoint); 58 }; 59 } // namespace panda::ecmascript 60 #endif // ECMASCRIPT_REQUIRE_JS_CJS_MODULE_H 61