1 files changed, 43 insertions, 0 deletions
diff --git a/compiler/locop/include/locop/Interfaces.h b/compiler/locop/include/locop/Interfaces.h
new file mode 100644
index 000000000..0b4974d0f
--- /dev/null
+++ b/compiler/locop/include/locop/Interfaces.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2019 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 __LOCOP_INTERFACES_H__
+#define __LOCOP_INTERFACES_H__
+
+#include <ostream>
+
+namespace locop
+{
+
+enum class Interface
+{
+  Formatted,
+};
+
+template <Interface I> struct Spec;
+
+template <> struct Spec<Interface::Formatted>
+{
+  virtual ~Spec() = default;
+
+  virtual void dump(std::ostream &os) const = 0;
+};
+
+std::ostream &operator<<(std::ostream &, const Spec<Interface::Formatted> &);
+
+} // namespace locop
+
+#endif // __LOCOP_INTERFACES_H__