1 files changed, 92 insertions, 0 deletions
diff --git a/compiler/oneco/src/GraphBuilderContext.cpp b/compiler/oneco/src/GraphBuilderContext.cpp
new file mode 100644
index 000000000..00d3f4b06
--- /dev/null
+++ b/compiler/oneco/src/GraphBuilderContext.cpp
@@ -0,0 +1,92 @@
+/*
+ * 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 "GraphBuilderContext.h"
+
+namespace moco
+{
+namespace onnx
+{
+
+void SymbolTable::enroll(const std::string &node_name, loco::Node *node)
+{
+  MapNameNode_t::iterator iter = _namenode.find(node_name);
+
+  if (iter != _namenode.end())
+  {
+    throw std::runtime_error{"Error: Duplicate node name in Graph: " + node_name};
+  }
+
+  _namenode[node_name] = node;
+}
+
+loco::Node *SymbolTable::node(const std::string &node_name)
+{
+  MapNameNode_t::iterator iter = _namenode.find(node_name);
+
+  if (iter == _namenode.end())
+  {
+    throw std::runtime_error{"Error: Cannot find node with name in Graph: " + node_name};
+  }
+
+  return iter->second;
+}
+
+void SymbolTable::list(loco::Node *node, const std::string &name)
+{
+  MapNodeNames_t::iterator iter = _nodenames.find(node);
+
+  if (iter == _nodenames.end())
+  {
+    // add a new vector for the first name
+    _nodenames[node] = {name};
+    return;
+  }
+
+  _nodenames[node].push_back(name);
+}
+
+unsigned SymbolTable::size(loco::Node *node)
+{
+  MapNodeNames_t::iterator iter = _nodenames.find(node);
+
+  if (iter == _nodenames.end())
+  {
+    return 0;
+  }
+
+  return iter->second.size();
+}
+
+const std::string &SymbolTable::name(loco::Node *node, unsigned index)
+{
+  MapNodeNames_t::iterator iter = _nodenames.find(node);
+
+  if (iter == _nodenames.end())
+  {
+    throw std::runtime_error{"Error: Cannot find names given node"};
+  }
+
+  if (index >= iter->second.size())
+  {
+    throw std::runtime_error{"Error: Invalid name index for given node"};
+  }
+
+  return iter->second.at(index);
+}
+
+} // namespace onnx
+} // namespace moco