1 files changed, 51 insertions, 0 deletions
diff --git a/compiler/coco/core/include/coco/IR/Entity.h b/compiler/coco/core/include/coco/IR/Entity.h
new file mode 100644
index 000000000..4bf9df651
--- /dev/null
+++ b/compiler/coco/core/include/coco/IR/Entity.h
@@ -0,0 +1,51 @@
+/*
+ * 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 __COCO_IR_ENTITY_H__
+#define __COCO_IR_ENTITY_H__
+
+#include "coco/IR/Module.forward.h"
+
+namespace coco
+{
+
+/**
+ * @brief A base class for IR entities
+ *
+ * NOTE Each IR entity has a link to a module that it belongs to
+ */
+class Entity
+{
+public:
+  friend class EntityBuilder;
+
+public:
+  virtual ~Entity() = default;
+
+public:
+  Module *module(void) const { return _module; }
+
+private:
+  // WARN Only EntityBuilder is allowed to access this method
+  void module(Module *m) { _module = m; }
+
+private:
+  Module *_module = nullptr;
+};
+
+} // namespace coco
+
+#endif // __COCO_IR_ENTITY_H__