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141 lines
3.5 KiB
141 lines
3.5 KiB
/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#pragma once
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#include <string>
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#include <typeindex>
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#include <typeinfo>
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#include <vector>
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#include "paddle/fluid/framework/op_desc.h"
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#include "paddle/fluid/framework/var_desc.h"
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#include "paddle/fluid/platform/macros.h"
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namespace paddle {
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namespace framework {
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namespace ir {
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// Node should normally created by Graph::CreateXXXNode().
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class Node {
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public:
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virtual ~Node() {
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if (!wrapper_.empty()) {
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wrapper_deleter_();
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}
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}
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enum class Type { kOperation, kVariable };
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static constexpr char kControlDepVarName[] = "__control_var";
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Type NodeType() const { return type_; }
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std::string Name() const { return name_; }
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VarDesc* Var() {
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PADDLE_ENFORCE(IsVar());
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return var_desc_.get();
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}
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OpDesc* Op() const {
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PADDLE_ENFORCE(IsOp());
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return op_desc_.get();
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}
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template <typename T>
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void WrappedBy(T* wrapper) {
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if (!wrapper_.empty()) {
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wrapper_deleter_();
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}
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wrapper_ = wrapper;
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wrapper_deleter_ = [wrapper]() { delete wrapper; };
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wrapper_type_ = std::type_index(typeid(T));
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}
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template <typename T>
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T& Wrapper() {
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return *boost::any_cast<T*>(wrapper_);
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}
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template <typename T>
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bool IsWrappedBy() {
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return std::type_index(typeid(T)) == wrapper_type_;
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}
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// Please don't use this API!
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int id() const { return id_; }
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bool IsOp() const { return type_ == Type::kOperation; }
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bool IsVar() const { return type_ == Type::kVariable; }
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bool IsCtrlVar() const {
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return type_ == Type::kVariable &&
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Name().find(ir::Node::kControlDepVarName) != std::string::npos;
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}
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std::vector<Node*> inputs;
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std::vector<Node*> outputs;
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protected:
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const std::string name_;
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std::unique_ptr<VarDesc> var_desc_;
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std::unique_ptr<OpDesc> op_desc_;
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Type type_;
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int id_;
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private:
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friend class Graph;
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friend std::unique_ptr<Node> CreateNodeForTest(const std::string& name,
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Node::Type type);
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explicit Node(const std::string& name, Type type)
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: name_(name),
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var_desc_(nullptr),
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op_desc_(nullptr),
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type_(type),
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id_(count_++) {}
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explicit Node(VarDesc* var_desc)
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: name_(var_desc->Name()),
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var_desc_(new VarDesc(*var_desc)),
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op_desc_(nullptr),
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type_(Type::kVariable),
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id_(count_++) {}
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explicit Node(OpDesc* op_desc)
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: name_(op_desc->Type()),
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var_desc_(nullptr),
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op_desc_(new OpDesc(*op_desc, op_desc->Block())),
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type_(Type::kOperation),
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id_(count_++) {}
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Node() = delete;
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static int count_;
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// Please don't use this API or make this public.
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static void ResetId() { count_ = 0; }
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boost::any wrapper_;
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std::function<void(void)> wrapper_deleter_;
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std::type_index wrapper_type_ = std::type_index(typeid(void));
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DISABLE_COPY_AND_ASSIGN(Node);
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};
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std::unique_ptr<Node> CreateNodeForTest(const std::string& name,
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Node::Type type);
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} // namespace ir
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} // namespace framework
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} // namespace paddle
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