1 /** 2 * Copyright (c) 2024 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_EVALUATE_METHOD_BUILDER_H 17 #define ES2PANDA_EVALUATE_METHOD_BUILDER_H 18 19 #include "util/ustring.h" 20 #include "ir/astNodeFlags.h" 21 #include "generated/signatures.h" 22 #include "libpandabase/utils/arena_containers.h" 23 24 namespace ark::panda_file { 25 class ClassDataAccessor; 26 } // namespace ark::panda_file 27 28 namespace ark::panda_file { 29 class MethodDataAccessor; 30 } // namespace ark::panda_file 31 32 namespace ark::es2panda::ir { 33 class AstNode; 34 class Expression; 35 class TypeNode; 36 class ExpressionStatement; 37 class BlockStatement; 38 class MethodDefinition; 39 class FunctionExpression; 40 class Identifier; 41 class Statement; 42 } // namespace ark::es2panda::ir 43 44 namespace ark::es2panda::checker { 45 class ETSChecker; 46 } // namespace ark::es2panda::checker 47 48 namespace ark::es2panda::evaluate { 49 50 class MethodBuilder { 51 public: 52 explicit MethodBuilder(checker::ETSChecker *checker, panda_file::MethodDataAccessor &mda, 53 ir::ModifierFlags classModifierFlags); 54 55 ir::AstNode *Build() &&; 56 IsConstructor()57 [[nodiscard]] bool IsConstructor() const 58 { 59 return methodName_ == compiler::Signatures::CTOR; 60 } 61 IsStaticConstructor()62 [[nodiscard]] bool IsStaticConstructor() const 63 { 64 return methodName_ == compiler::Signatures::CCTOR; 65 } 66 IsAbstractMethod()67 [[nodiscard]] bool IsAbstractMethod() const 68 { 69 return (modifierFlags_ & ir::ModifierFlags::ABSTRACT) != 0; 70 } 71 72 private: 73 void CollectParametersAndReturnType(); 74 ir::ExpressionStatement *CreateSuperConstructorExpressionCall(); 75 ir::BlockStatement *CreateBody(ArenaVector<ir::Statement *> statements); 76 77 template <bool IS_STATIC> 78 ir::AstNode *CreateIrConstructor(ir::Identifier *id, ir::BlockStatement *body); 79 80 ir::MethodDefinition *CreateIrMethod(ir::Identifier *id, ir::BlockStatement *body); 81 ir::FunctionExpression *CreateFunctionExpression(ir::Identifier *id, ir::BlockStatement *body, 82 ir::ScriptFunctionFlags scriptFuncFlags); 83 84 private: 85 checker::ETSChecker *checker_ {nullptr}; 86 87 panda_file::MethodDataAccessor &mda_; 88 89 util::StringView methodName_ {}; 90 ir::ModifierFlags modifierFlags_ {ir::ModifierFlags::NONE}; 91 ArenaVector<ir::Expression *> params_; 92 ir::TypeNode *returnType_ {nullptr}; 93 94 // Modifier flags of the class that owns the method that we want to build. 95 ir::ModifierFlags classModifierFlags_ {ir::ModifierFlags::NONE}; 96 }; 97 98 } // namespace ark::es2panda::evaluate 99 100 #endif // ES2PANDA_EVALUATE_METHOD_BUILDER_H 101