Change macro

paddle/framework/grad_op_desc_maker.h

@@ -79,6 +79,7 @@ class GradOpDescMakerBase {
 
 class SingleGradOpDescMaker : public GradOpDescMakerBase {
  public:
+  using GradOpDescMakerBase::GradOpDescMakerBase;
   std::vector<OpDescBind> operator()() const { return {this->Apply()}; }
 
  protected:
@@ -86,6 +87,9 @@ class SingleGradOpDescMaker : public GradOpDescMakerBase {
 };
 
 class DefaultGradOpDescMaker : public SingleGradOpDescMaker {
+ public:
+  using SingleGradOpDescMaker::SingleGradOpDescMaker;
+
  protected:
   virtual OpDescBind Apply() const {
     OpDescBind grad;

paddle/framework/op_registry.h

@@ -24,14 +24,27 @@ limitations under the License. */
 #include "paddle/framework/details/op_registry.h"
 #include "paddle/framework/framework.pb.h"
 #include "paddle/framework/grad_op_builder.h"
+#include "paddle/framework/grad_op_desc_maker.h"
 #include "paddle/framework/operator.h"
 #include "paddle/framework/scope.h"
 
 namespace paddle {
 namespace framework {
+class Registrar {
+ public:
+  // In our design, various kinds of classes, e.g., operators and kernels,
+  // have their corresponding registry and registrar. The action of
+  // registration is in the constructor of a global registrar variable, which,
+  // however, are not used in the code that calls package framework, and would
+  // be removed from the generated binary file by the linker. To avoid such
+  // removal, we add Touch to all registrar classes and make USE_OP macros to
+  // call this method. So, as long as the callee code calls USE_OP, the global
+  // registrar variable won't be removed by the linker.
+  void Touch() {}
+};
 
 template <typename... ARGS>
-struct OperatorRegistrar {
+struct OperatorRegistrar : public Registrar {
   explicit OperatorRegistrar(const char* op_type) : op_type(op_type) {
     PADDLE_ENFORCE(!OpInfoMap::Instance().Has(op_type),
                    "'%s' is registered more than once.", op_type);
@@ -70,19 +83,6 @@ class OpRegistry {
   static std::unique_ptr<OperatorBase> CreateGradOp(const OperatorBase& op);
 };
 
-class Registrar {
- public:
-  // In our design, various kinds of classes, e.g., operators and kernels,
-  // have their corresponding registry and registrar. The action of
-  // registration is in the constructor of a global registrar variable, which,
-  // however, are not used in the code that calls package framework, and would
-  // be removed from the generated binary file by the linker. To avoid such
-  // removal, we add Touch to all registrar classes and make USE_OP macros to
-  // call this method. So, as long as the callee code calls USE_OP, the global
-  // registrar variable won't be removed by the linker.
-  void Touch() {}
-};
-
 template <typename OpType, typename ProtoMakerType, typename GradOpType>
 class OpRegistrar : public Registrar {
  public:
@@ -138,33 +138,43 @@ class OpKernelRegistrar : public Registrar {
                              __test_global_namespace_##uniq_name##__>::value, \
                 msg)
 
-/**
- * Macro to register Operator.
- */
-#define REGISTER_OP(op_type, op_class, op_maker_class, grad_op_type,          \
-                    grad_op_class)                                            \
+#define VA_ARGS(...) , ##__VA_ARGS__
+
+#define REGISTER_OPERATOR(op_type, op_class, ...)                              \
   STATIC_ASSERT_GLOBAL_NAMESPACE(                                              \
-      __reg_op__##op_type, "REGISTER_OP must be called in global namespace"); \
+      __reg_op__##op_type,                                                     \
+      "REGISTER_OPERATOR must be called in global namespace");                 \
   class _OpClass_##op_type##_ : public op_class {                              \
    public:                                                                     \
     DEFINE_OP_CLONE_METHOD(_OpClass_##op_type##_);                             \
     DEFINE_OP_CONSTRUCTOR(_OpClass_##op_type##_, op_class);                    \
   };                                                                           \
-  class _OpGradClass_##op_type##_ : public grad_op_class {                    \
-   public:                                                                    \
-    DEFINE_OP_CLONE_METHOD(_OpGradClass_##op_type##_);                        \
-    DEFINE_OP_CONSTRUCTOR(_OpGradClass_##op_type##_, grad_op_class);          \
-  };                                                                          \
-  static ::paddle::framework::OpRegistrar<                                    \
-      _OpClass_##op_type##_, op_maker_class, _OpGradClass_##op_type##_>       \
-      __op_registrar_##op_type##__(#op_type, #grad_op_type);                  \
+  static ::paddle::framework::OperatorRegistrar<_OpClass_##op_type##_ VA_ARGS( \
+      __VA_ARGS__)>                                                            \
+      __op_registrar_##op_type##__(#op_type);                                  \
   int TouchOpRegistrar_##op_type() {                                           \
     __op_registrar_##op_type##__.Touch();                                      \
     return 0;                                                                  \
   }
 
+/**
+ * Macro to register Operator.
+ */
+#define REGISTER_OP(op_type, op_class, op_maker_class, grad_op_type,           \
+                    grad_op_class)                                             \
+  REGISTER_OPERATOR(grad_op_type, grad_op_class);                              \
+  class _GradOpDescMaker_##grad_op_type##_                                     \
+      : public ::paddle::framework::DefaultGradOpDescMaker {                   \
+    using ::paddle::framework::DefaultGradOpDescMaker::DefaultGradOpDescMaker; \
+                                                                               \
+   protected:                                                                  \
+    virtual std::string GradOpType() const { return #grad_op_type; }           \
+  };                                                                           \
+  REGISTER_OPERATOR(op_type, op_class, _GradOpDescMaker_##grad_op_type##_,     \
+                    op_maker_class)
+
 #define REGISTER_OP_WITHOUT_GRADIENT(op_type, op_class, op_maker_class) \
-  REGISTER_OP(op_type, op_class, op_maker_class, , ::paddle::framework::NOP)
+  REGISTER_OPERATOR(op_type, op_class, op_maker_class)
 
 /**
  * Macro to register OperatorKernel.