1 /* Copyright 2017 The TensorFlow Authors. All Rights Reserved. 2 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 TENSORFLOW_CORE_FRAMEWORK_GRAPH_TO_FUNCTIONDEF_H_ 17 #define TENSORFLOW_CORE_FRAMEWORK_GRAPH_TO_FUNCTIONDEF_H_ 18 19 #include <string> 20 #include <vector> 21 22 #include "tensorflow/core/framework/function.pb.h" 23 #include "tensorflow/core/graph/graph.h" 24 #include "tensorflow/core/lib/core/status.h" 25 26 namespace tensorflow { 27 28 // Graph to FunctionDef conversion. This code is closely modeled on the Python 29 // function graph_to_function_def(), which is located in 30 // tensorflow/python/framework/graph_to_function_def.py. 31 Status GraphToFunctionDef(const Graph& fn_body, const string& fn_name, 32 bool append_hash_to_fn_name, 33 bool set_stateful_from_nodes, 34 bool copy_placeholder_attrs_from_nodes, 35 const std::vector<const Node*>& body_nodes, 36 const std::vector<OutputTensor>& inputs, 37 const std::vector<OutputTensor>& outputs, 38 const std::vector<string>& output_names, 39 const std::vector<const Node*>& control_outputs, 40 const std::vector<string>& control_output_names, 41 const char* description, FunctionDef* fdef); 42 43 // Converts 'graph' to a FunctionDef 'fdef', with name 'name': 44 // 45 // (1) 'node->IsArg()' nodes converted to function inputs. 46 // (2) 'node->IsRetval()' nodes converted to function output. 47 // (3) 'control_ret' returns an optional with a control output name, that will 48 // be added to the function `control_ret` map (see FunctionDef) and 49 // `control_output` in Op definition (see OpDef). Control output name must 50 // be unique for all control output nodes. 51 Status GraphToFunctionDef( 52 const Graph& graph, const string& name, 53 const std::function<absl::optional<string>(const Node*)>& control_ret, 54 FunctionDef* fdef); 55 56 Status GraphToFunctionDef(const Graph& graph, const string& name, 57 FunctionDef* fdef); 58 59 Status GraphToFunctionDef(const Graph& graph, const string& name, 60 const std::vector<std::string>& output_names, 61 FunctionDef* fdef); 62 63 Status GetGraphAndArgRets( 64 const string& function_name, AttrSlice attrs, const FunctionDef* fdef, 65 const FunctionLibraryDefinition* lib_def, std::unique_ptr<Graph>* graph, 66 std::vector<Node*>* arg_nodes, std::vector<Node*>* ret_nodes, 67 std::vector<string>* ret_node_names, DataTypeVector* ret_types, 68 std::vector<string>* control_ret_node_names); 69 70 } // namespace tensorflow 71 72 #endif // TENSORFLOW_CORE_FRAMEWORK_GRAPH_TO_FUNCTIONDEF_H_ 73