1 /** 2 * Copyright 2023 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef MINDSPORE_CORE_SYMBOLIC_SHAPE_SYMBOL_ENGINE_H_ 17 #define MINDSPORE_CORE_SYMBOLIC_SHAPE_SYMBOL_ENGINE_H_ 18 #include <memory> 19 #include <string> 20 #include <unordered_map> 21 #include "base/base.h" 22 #include "ir/anf.h" 23 #include "ir/func_graph.h" 24 #include "abstract/abstract_value.h" 25 26 namespace mindspore { 27 namespace symshape { 28 class MS_CORE_API SymbolEngine : public Base { 29 public: SymbolEngine(const FuncGraphPtr & fg)30 explicit SymbolEngine(const FuncGraphPtr &fg) : func_graph_(fg) {} 31 ~SymbolEngine() = default; 32 MS_DECLARE_PARENT(SymbolEngine, Base) 33 34 virtual bool Infer(const AbstractBasePtrList &inputs) = 0; 35 virtual bool IsDependValue(const AnfNodePtr &node) = 0; 36 virtual bool IsDependShape(const AnfNodePtr &node) = 0; 37 virtual bool SupportInfer() = 0; 38 virtual void QuerySymbolExpr(const AnfNodePtr &node, 39 std::unordered_map<std::string, std::string> *symbol_expr_map) = 0; func_graph()40 FuncGraphPtr func_graph() const { return func_graph_.lock(); } 41 42 protected: 43 FuncGraphWeakPtr func_graph_; 44 }; 45 } // namespace symshape 46 using SymbolEnginePtr = std::shared_ptr<symshape::SymbolEngine>; 47 } // namespace mindspore 48 #endif // MINDSPORE_CORE_SYMBOLIC_SHAPE_SYMBOL_ENGINE_H_ 49