1 files changed, 83 insertions, 0 deletions
diff --git a/runtime/neurun/core/src/ir/OpSequence.cc b/runtime/neurun/core/src/ir/OpSequence.cc
new file mode 100644
index 000000000..13a6cbe27
--- /dev/null
+++ b/runtime/neurun/core/src/ir/OpSequence.cc
@@ -0,0 +1,83 @@
+/*
+ * 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.
+ */
+
+#include "ir/OpSequence.h"
+#include "ir/OperationVisitor.h"
+#include <sstream>
+
+namespace neurun
+{
+namespace ir
+{
+
+OpSequence::OpSequence(Layout layout) : _layout{layout}
+{
+  // DO NOTHING
+}
+
+void OpSequence::accept(OperationVisitor &v) const { v.visit(*this); }
+
+// TODO: Impl Dumper instead of this method
+std::string OpSequence::getStr() const
+{
+  // "  OpSequence IN(xx,xx,xx) -> { op0, op1, op2 } -> OUT(yy,yy,yy)"
+  std::stringstream ss;
+  ss << "  OpSequence IN(";
+  for (const auto &index : getInputs())
+  {
+    ss << " " << index.value();
+  }
+  ss << " ) -> {";
+  for (const auto &elem : _operations)
+  {
+    ss << " " << elem.index.value() << "(" << elem.node->name() << ")";
+  }
+  ss << " } -> OUT(";
+  for (const auto &index : getOutputs())
+  {
+    ss << " " << index.value();
+  }
+  ss << " )";
+  return ss.str();
+}
+
+void OpSequence::remove(const OperationIndex &index)
+{
+  assert(exist(index));
+  for (auto it = _operations.cbegin(); it != _operations.cend(); ++it)
+  {
+    if (it->index == index)
+    {
+      _operations.erase(it);
+      break;
+    }
+  }
+}
+
+bool OpSequence::exist(const OperationIndex &index) const
+{
+  for (const auto &element : _operations)
+  {
+    if (element.index == index)
+    {
+      return true;
+    }
+  }
+  return false;
+}
+
+} // namespace ir
+} // namespace neurun