diff options
Diffstat (limited to 'compiler/moco/lang/include/moco/IR/VariadicArityNode.h')
-rw-r--r-- | compiler/moco/lang/include/moco/IR/VariadicArityNode.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/compiler/moco/lang/include/moco/IR/VariadicArityNode.h b/compiler/moco/lang/include/moco/IR/VariadicArityNode.h new file mode 100644 index 000000000..7df0f7dec --- /dev/null +++ b/compiler/moco/lang/include/moco/IR/VariadicArityNode.h @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __MOCO_IR_VARIADIC_ARITY_NODE_H__ +#define __MOCO_IR_VARIADIC_ARITY_NODE_H__ + +#include <loco/IR/Node.h> +#include <loco/IR/Use.h> + +#include <vector> +#include <memory> +#include <cassert> + +namespace moco +{ + +/** + * @brief Nodes with the variadic inputs + */ +template <typename Base> class VariadicArityNode : public Base +{ +public: + VariadicArityNode(uint32_t arity) + { + for (uint32_t n = 0; n < arity; ++n) + { + _args.emplace_back(std::move(std::unique_ptr<loco::Use>{new loco::Use{this}})); + } + }; + + virtual ~VariadicArityNode() = default; + +public: + uint32_t arity(void) const final { return _args.size(); } + + loco::Node *arg(uint32_t n) const final + { + assert(n < _args.size()); + return _args.at(n)->node(); + } + + void drop(void) final + { + for (uint32_t n = 0; n < _args.size(); ++n) + { + _args.at(n)->node(nullptr); + } + } + +protected: + // This API allows inherited classes to access "_args" field. + loco::Use *at(uint32_t n) const + { + assert(n < _args.size()); + return _args.at(n).get(); + } + +private: + std::vector<std::unique_ptr<loco::Use>> _args; +}; + +} // namespace moco + +#endif // __MOCO_IR_VARIADIC_ARITY_NODE_H__ |