1 files changed, 83 insertions, 0 deletions
diff --git a/compiler/onnx2tflite/src/Driver.cpp b/compiler/onnx2tflite/src/Driver.cpp
new file mode 100644
index 000000000..2028b5cb0
--- /dev/null
+++ b/compiler/onnx2tflite/src/Driver.cpp
@@ -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 <ONNXImporterImpl.h>
+#include <mir2loco.h>
+#include <exo/TFLExporter.h>
+
+#include <iostream>
+
+namespace
+{
+
+// String decorators?
+std::string quote(const std::string &s) { return "'" + s + "'"; }
+
+std::unique_ptr<mir::Graph> import(const std::string &onnx_path)
+{
+  return mir_onnx::loadModel(onnx_path);
+}
+
+std::unique_ptr<loco::Graph> transform(const std::unique_ptr<mir::Graph> &mir_graph)
+{
+  mir2loco::Transformer transformer;
+  return transformer.transform(mir_graph.get());
+}
+
+void printHelp()
+{
+  std::cout << "Usage: onnx2tflite <mode> <path/to/onnx> <path/to/output>\n"
+               "Modes: -t (text file); -b (binary file)"
+            << std::endl;
+}
+
+} // namespace
+
+// ONNX-to-MIR (mir-onnx-importer)
+// MIR-to-LOCO (mir2loco)
+// LOCO-to-TFLITE (exo-tflite)
+int main(int argc, char **argv)
+{
+  // onnx2tflite <mode> <path/to/onnx> <path/to/output>
+  // modes: -t (text file); -b (binary file)
+  if (argc != 4)
+  {
+    printHelp();
+    exit(1);
+  }
+  std::string mode{argv[1]};
+  std::string onnx_path{argv[2]};
+  std::string tflite_path{argv[3]};
+
+  std::cout << "Import " << quote(onnx_path) << std::endl;
+  std::unique_ptr<mir::Graph> mir_graph;
+  if (mode == "-t")
+    mir_graph = mir_onnx::importModelFromTextFile(onnx_path);
+  else if (mode == "-b")
+    mir_graph = mir_onnx::importModelFromBinaryFile(onnx_path);
+  else
+  {
+    printHelp();
+    exit(1);
+  }
+  std::cout << "Import " << quote(onnx_path) << " - Done" << std::endl;
+
+  auto loco_graph = transform(mir_graph);
+
+  exo::TFLExporter(loco_graph.get()).dumpToFile(tflite_path.c_str());
+
+  return 0;
+}