1 files changed, 81 insertions, 0 deletions
diff --git a/compiler/mio-circle/src/Helper.cpp b/compiler/mio-circle/src/Helper.cpp
new file mode 100644
index 000000000..6f30c8c10
--- /dev/null
+++ b/compiler/mio-circle/src/Helper.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2021 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 "mio_circle/Helper.h"
+
+#include <sstream>
+
+namespace mio
+{
+namespace circle
+{
+
+bool is_valid(const ::circle::OperatorCode *opcode)
+{
+  ::circle::BuiltinOperator code = opcode->builtin_code();
+  return (::circle::BuiltinOperator_MIN <= code && code <= ::circle::BuiltinOperator_MAX);
+}
+
+bool is_custom(const ::circle::OperatorCode *opcode)
+{
+  ::circle::BuiltinOperator code = opcode->builtin_code();
+  return (code == ::circle::BuiltinOperator_CUSTOM);
+}
+
+std::string opcode_name(const ::circle::OperatorCode *opcode)
+{
+  assert(opcode);
+
+  if (!is_valid(opcode))
+  {
+    std::ostringstream oss;
+    oss << "(invalid)";
+    return oss.str();
+  }
+
+  if (is_custom(opcode))
+  {
+    if (!opcode->custom_code())
+      return "(invalid custom)";
+
+    std::string custom_op = "CUSTOM(";
+    custom_op += opcode->custom_code()->c_str();
+    custom_op += ")";
+    return custom_op;
+  }
+
+  ::circle::BuiltinOperator code = opcode->builtin_code();
+  return ::circle::EnumNameBuiltinOperator(code);
+}
+
+const char *tensor_type(const ::circle::Tensor *tensor)
+{
+  return ::circle::EnumNameTensorType(tensor->type());
+}
+
+const char *tensor_name(const ::circle::Tensor *tensor)
+{
+  static const char *kEmptyTensorName = "(noname)";
+
+  auto name = tensor->name();
+  if (name)
+    return name->c_str();
+
+  return kEmptyTensorName;
+}
+
+} // namespace circle
+} // namespace mio