1 files changed, 52 insertions, 0 deletions
diff --git a/runtime/neurun/core/include/ir/OperationVisitor.h b/runtime/neurun/core/include/ir/OperationVisitor.h
new file mode 100644
index 000000000..0eb6de2d3
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+++ b/runtime/neurun/core/include/ir/OperationVisitor.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __NEURUN_IR_OPERATION_VISITOR_H__
+#define __NEURUN_IR_OPERATION_VISITOR_H__
+
+#include "ir/Operations.Include.h"
+#include "ir/OpSequence.h"
+
+namespace neurun
+{
+namespace ir
+{
+
+struct OperationVisitor
+{
+  virtual ~OperationVisitor() = default;
+
+#define OP(InternalName) \
+  virtual void visit(const operation::InternalName &) {}
+#include "ir/Operations.lst"
+#undef OP
+
+  // This OpSequence node should be handled specially so that
+  // Op.lst doesn't have OpSequence
+  // TODO Remove by pushing it down to derived classes.
+  virtual void visit(const OpSequence &op_seq)
+  {
+    for (const auto &e : op_seq.operations())
+    {
+      e.node->accept(*this);
+    }
+  }
+};
+
+} // namespace ir
+} // namespace neurun
+
+#endif // __NEURUN_IR_OPERATION_VISITOR_H__