Added automatic code generation for final state Eager Dygraph (#39192)

* Removed debug info

* Added automatic code generation for final state Eager Dygraph

* Modified backward yaml

* Fixed CI Issues

paddle/fluid/eager/auto_code_generator/CMakeLists.txt

+#add_subdirectory(final_state_generator)
+
 set(EAGER_GENERETOR_DEPS ${GLOB_OP_LIB} ${GLOB_OPERATOR_DEPS} pybind proto_desc executor layer tracer engine imperative_profiler imperative_flag)
 
 add_executable(eager_generator eager_generator.cc)

paddle/fluid/eager/auto_code_generator/final_state_generator/CMakeLists.txt

+set(api_yaml_path "${PADDLE_SOURCE_DIR}/python/paddle/utils/code_gen/api.yaml")
+set(backward_yaml_path "${PADDLE_SOURCE_DIR}/python/paddle/utils/code_gen/backward.yaml")
+set(tmp_forwards_cc_path "${PADDLE_SOURCE_DIR}/paddle/fluid/eager/api/generated/eager_generated/forwards/tmp_dygraph_functions.cc")
+set(tmp_forwards_h_path "${PADDLE_SOURCE_DIR}/paddle/fluid/eager/api/generated/eager_generated/forwards/tmp_dygraph_functions.h")
+set(tmp_nodes_cc_path "${PADDLE_SOURCE_DIR}/paddle/fluid/eager/api/generated/eager_generated/backwards/tmp_node.cc")
+set(tmp_nodes_h_path "${PADDLE_SOURCE_DIR}/paddle/fluid/eager/api/generated/eager_generated/backwards/tmp_node.h")
+set(forwards_cc_path "${PADDLE_SOURCE_DIR}/paddle/fluid/eager/api/generated/eager_generated/forwards/dygraph_functions.cc")
+set(forwards_h_path "${PADDLE_SOURCE_DIR}/paddle/fluid/eager/api/generated/eager_generated/forwards/dygraph_functions.h")
+set(nodes_cc_path "${PADDLE_SOURCE_DIR}/paddle/fluid/eager/api/generated/eager_generated/backwards/node.cc")
+set(nodes_h_path "${PADDLE_SOURCE_DIR}/paddle/fluid/eager/api/generated/eager_generated/backwards/node.h")
+
+add_custom_target(eager_final_state_codegen
+    COMMAND "${PYTHON_EXECUTABLE}" "${PADDLE_SOURCE_DIR}/paddle/fluid/eager/auto_code_generator/final_state_generator/eager_gen.py" 
+            "--api_yaml_path=${api_yaml_path}"
+            "--backward_yaml_path=${backward_yaml_path}"
+            "--forwards_cc_path=${tmp_forwards_cc_path}" 
+            "--forwards_h_path=${tmp_forwards_h_path}"
+            "--nodes_cc_path=${tmp_nodes_cc_path}" 
+            "--nodes_h_path=${tmp_nodes_h_path}"
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different ${tmp_forwards_cc_path} ${forwards_cc_path}
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different ${tmp_forwards_h_path} ${forwards_h_path}
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different ${tmp_nodes_cc_path} ${nodes_cc_path}
+    COMMAND ${CMAKE_COMMAND} -E copy_if_different ${tmp_nodes_h_path} ${nodes_h_path}
+    VERBATIM
+)