1 files changed, 67 insertions, 0 deletions
diff --git a/compiler/coco/core/include/coco/ADT/PtrManager.h b/compiler/coco/core/include/coco/ADT/PtrManager.h
new file mode 100644
index 000000000..2b254c70a
--- /dev/null
+++ b/compiler/coco/core/include/coco/ADT/PtrManager.h
@@ -0,0 +1,67 @@
+/*
+ * 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_ADT_PTR_MANAGER_H__
+#define __COCO_ADT_PTR_MANAGER_H__
+
+#include <vector>
+
+#include <memory>
+#include <stdexcept>
+
+namespace coco
+{
+
+template <typename T> class PtrManager
+{
+public:
+  /// @brief Return the number of managed objects
+  uint32_t size(void) const { return _ptrs.size(); }
+
+public:
+  T *at(uint32_t n) const { return _ptrs.at(n).get(); }
+
+protected:
+  template <typename U> U *take(std::unique_ptr<U> &&o)
+  {
+    auto res = o.get();
+    _ptrs.emplace_back(std::move(o));
+    return res;
+  }
+
+protected:
+  std::unique_ptr<T> release(T *ptr)
+  {
+    for (auto it = _ptrs.begin(); it != _ptrs.end(); ++it)
+    {
+      if (it->get() == ptr)
+      {
+        std::unique_ptr<T> res = std::move(*it);
+        _ptrs.erase(it);
+        return res;
+      }
+    }
+
+    throw std::invalid_argument{"ptr"};
+  }
+
+private:
+  std::vector<std::unique_ptr<T>> _ptrs;
+};
+
+} // namespace coco
+
+#endif // __COCO_ADT_PTR_MANAGER_H__