1 /* 2 * Copyright (c) 2021-2022 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 ES2PANDA_COMPILER_BASE_LREFERENCE_H 17 #define ES2PANDA_COMPILER_BASE_LREFERENCE_H 18 19 #include <binder/scope.h> 20 #include <ir/irnode.h> 21 22 namespace panda::es2panda::ir { 23 class AstNode; 24 } // namespace panda::es2panda::ir 25 26 namespace panda::es2panda::compiler { 27 28 enum class ReferenceKind { 29 MEMBER, 30 VAR_OR_GLOBAL, 31 DESTRUCTURING, 32 }; 33 34 enum class ReferenceFlags { 35 NONE = 0, 36 DECLARATION = 1U << 0U, 37 }; 38 39 class PandaGen; 40 41 class LReference { 42 public: 43 LReference(const ir::AstNode *node, PandaGen *pg, bool isDeclaration, ReferenceKind refKind, 44 binder::ScopeFindResult res); 45 ~LReference() = default; 46 NO_COPY_SEMANTIC(LReference); 47 NO_MOVE_SEMANTIC(LReference); 48 49 void GetValue(); 50 void SetValue(); 51 binder::Variable *Variable() const; 52 ReferenceKind Kind() const; 53 54 static LReference CreateLRef(PandaGen *pg, const ir::AstNode *node, bool isDeclaration); 55 56 private: 57 const ir::AstNode *node_; 58 PandaGen *pg_; 59 ReferenceKind refKind_; 60 binder::ScopeFindResult res_; 61 VReg obj_; 62 Operand prop_; 63 bool isDeclaration_; 64 }; 65 66 } // namespace panda::es2panda::compiler 67 68 #endif 69