1 files changed, 83 insertions, 0 deletions
diff --git a/runtimes/neurun/core/src/dumper/dot/DotBuilder.cc b/runtimes/neurun/core/src/dumper/dot/DotBuilder.cc
new file mode 100644
index 000000000..8563b4cf0
--- /dev/null
+++ b/runtimes/neurun/core/src/dumper/dot/DotBuilder.cc
@@ -0,0 +1,83 @@
+/*
+ * 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.
+ */
+
+#include "DotBuilder.h"
+
+namespace neurun
+{
+namespace dumper
+{
+namespace dot
+{
+
+// DotDumper
+DotBuilder::DotBuilder() {}
+
+void DotBuilder::update(const Node &node_info)
+{
+  addNode(node_info);
+  for (auto edge : node_info.edges())
+  {
+    addEdge(node_info, *edge);
+  }
+}
+
+void DotBuilder::addSubgraph(const DotSubgraphInfo &subgraph_info)
+{
+  _dot << "subgraph cluster_" << subgraph_info.index().value() << " {\n";
+  _dot << "  label=\"" << subgraph_info.label() << "\";\n";
+  _dot << "  style=filled;\n";
+  _dot << "  color=lightgrey;\n";
+  _dot << "  ";
+  for (auto op : subgraph_info.operations())
+  {
+    _dot << "operation" << op.value() << "; ";
+  }
+  for (auto op : subgraph_info.operands())
+  {
+    _dot << "operand" << op.value() << "; ";
+  }
+  _dot << "\n";
+  _dot << "}\n";
+}
+
+void DotBuilder::writeDot(std::ostream &os)
+{
+  os << "digraph D {\n"
+     << _dot.str() << "\n"
+     << "}\n";
+}
+
+void DotBuilder::addNode(const Node &node)
+{
+  _dot << node.id();
+  std::stringstream ss;
+  _dot << "[";
+  for (auto attr : node.attributes())
+  {
+    _dot << attr.first << "=\"" << attr.second << "\" ";
+  }
+  _dot << "];\n";
+}
+
+void DotBuilder::addEdge(const Node &node1, const Node &node2)
+{
+  _dot << node1.id() << " -> " << node2.id() << ";\n";
+}
+
+} // namespace dot
+} // namespace dumper
+} // namespace neurun