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_UTIL_INCLUDE_AST_BUILDER 17#define ES2PANDA_UTIL_INCLUDE_AST_BUILDER 18 19#include "mem/arena_allocator.h" 20#include "util/helpers.h" 21 22namespace ark::es2panda::ir { 23 24template <typename NodeType> 25class AstBuilder { 26public: 27 explicit AstBuilder(ark::ArenaAllocator *allocator) : allocator_(allocator) {} 28 NO_COPY_SEMANTIC(AstBuilder); 29 NO_MOVE_SEMANTIC(AstBuilder); 30 virtual ~AstBuilder() = default; 31 32 ark::ArenaAllocator *Allocator() 33 { 34 return allocator_; 35 } 36 37 template <typename BuilderType> 38 BuilderType &SetParent(AstNode *parent) 39 { 40 parent_ = parent; 41 return *static_cast<BuilderType *>(this); 42 } 43 44 template <typename... Args> 45 NodeType *AllocNode(Args &&...args) 46 { 47 auto node = util::NodeAllocator::ForceSetParent<NodeType>(allocator_, std::forward<Args>(args)...); 48 if (parent_ != nullptr) { 49 node->SetParent(parent_); 50 } 51 return node; 52 } 53 54private: 55 ark::ArenaAllocator *allocator_; 56 AstNode *parent_ {}; 57}; 58 59} // namespace ark::es2panda::ir 60#endif // ES2PANDA_UTIL_INCLUDE_AST_BUILDER