[record-minmax] Introduce DataSetIterator (#14258)

This introduces a base class for iterator.

ONE-DCO-1.0-Signed-off-by: Hyukjin Jeong <[email protected]>

compiler/record-minmax/include/DataBuffer.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2024 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 __RECORD_MINMAX_DATA_BUFFER_H__
+#define __RECORD_MINMAX_DATA_BUFFER_H__
+
+#include <loco/IR/DataType.h>
+#include <loco/IR/Dimension.h>
+
+#include <vector>
+
+namespace record_minmax
+{
+
+struct DataBuffer
+{
+  loco::DataType dtype = loco::DataType::Unknown;
+  std::vector<loco::Dimension> shape;
+  std::vector<char> data;
+};
+
+} // namespace record_minmax
+
+#endif // __RECORD_MINMAX_DATA_BUFFER_H__

compiler/record-minmax/include/DataSetIterator.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2024 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 __RECORD_MINMAX_DATASET_ITERATOR_H__
+#define __RECORD_MINMAX_DATASET_ITERATOR_H__
+
+#include "DataBuffer.h"
+
+#include <vector>
+
+namespace record_minmax
+{
+
+// Base class for dataset iterator
+class DataSetIterator
+{
+public:
+  virtual bool hasNext() const = 0;
+
+  virtual std::vector<DataBuffer> next() = 0;
+
+  // Revisit this interface later
+  virtual bool check_type_shape() const = 0;
+
+  virtual ~DataSetIterator() = default;
+};
+
+} // namespace record_minmax
+
+#endif // __RECORD_MINMAX_DATASET_ITERATOR_H__