1 files changed, 59 insertions, 0 deletions
diff --git a/compiler/coco/core/include/coco/IR/Dep.h b/compiler/coco/core/include/coco/IR/Dep.h
new file mode 100644
index 000000000..645c3befe
--- /dev/null
+++ b/compiler/coco/core/include/coco/IR/Dep.h
@@ -0,0 +1,59 @@
+/*
+ * 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_DEP_H__
+#define __COCO_IR_DEP_H__
+
+#include "coco/IR/Bag.h"
+#include "coco/IR/Object.forward.h"
+
+namespace coco
+{
+
+/**
+ * @brief A Dep represents the edge between a Bag and its dependent Object
+ *
+ * WARNING A Dep will update dependent Object set (stored BagInfo) only when
+ * users properly initialize object and link values.
+ */
+class Dep final
+{
+public:
+  Dep() = default;
+
+public:
+  Dep(const Dep &) = delete;
+  Dep(Dep &&) = delete;
+
+public:
+  ~Dep();
+
+public:
+  Bag *bag(void) const { return _bag; }
+  void bag(Bag *);
+
+public:
+  Object *object(void) const { return _object; }
+  void object(Object *object) { _object = object; }
+
+private:
+  Bag *_bag = nullptr;
+  Object *_object = nullptr;
+};
+
+} // namespace coco
+
+#endif // __COCO_IR_DEP_H__