1 /* 2 * Copyright (c) 2024-2025 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 ES2PANDA_GENERIC_BRIDGES_LOWERING_H 17 #define ES2PANDA_GENERIC_BRIDGES_LOWERING_H 18 19 #include "compiler/lowering/phase.h" 20 21 namespace ark::es2panda::compiler { 22 23 class GenericBridgesPhase : public PhaseForBodies { 24 public: Name()25 std::string_view Name() const override 26 { 27 return "CreateGenericBridges"; 28 } 29 30 bool PerformForModule(public_lib::Context *ctx, parser::Program *program) override; 31 32 private: 33 struct Substitutions { 34 checker::Substitution *derivedSubstitutions = nullptr; 35 checker::Substitution *baseConstraints = nullptr; 36 checker::Substitution *derivedConstraints = nullptr; 37 }; 38 39 ir::ClassDefinition *ProcessClassDefinition(ir::ClassDefinition *classDefinition) const; 40 41 void ProcessInterfaces(ir::ClassDefinition *classDefinition, 42 ArenaVector<checker::ETSObjectType *> const &interfaces) const; 43 44 Substitutions GetSubstitutions(checker::ETSObjectType const *const objectType, 45 ArenaVector<checker::Type *> const &typeParameters) const noexcept; 46 47 void CreateGenericBridges(ir::ClassDefinition const *classDefinition, Substitutions &substitutions, 48 ArenaVector<ir::AstNode *> const &items) const; 49 50 void MaybeAddGenericBridges(ir::ClassDefinition const *classDefinition, ir::MethodDefinition *baseMethod, 51 ir::MethodDefinition *derivedMethod, Substitutions const &substitutions) const; 52 53 void ProcessScriptFunction(ir::ClassDefinition const *classDefinition, ir::ScriptFunction *baseFunction, 54 ir::MethodDefinition *derivedMethod, Substitutions const &substitutions) const; 55 56 void AddGenericBridge(ir::ClassDefinition const *classDefinition, ir::MethodDefinition *methodDefinition, 57 checker::Signature const *baseSignature, ir::ScriptFunction const *derivedFunction) const; 58 59 std::string CreateMethodDefinitionString(ir::ClassDefinition const *classDefinition, 60 checker::Signature const *baseSignature, 61 ir::ScriptFunction const *derivedFunction, 62 std::vector<ir::AstNode *> &typeNodes) const noexcept; 63 64 public_lib::Context *context_ = nullptr; 65 }; 66 } // namespace ark::es2panda::compiler 67 68 #endif 69