1 files changed, 76 insertions, 0 deletions
diff --git a/runtime/onert/core/include/backend/IKernelGenerator.h b/runtime/onert/core/include/backend/IKernelGenerator.h
new file mode 100644
index 000000000..afc34ec21
--- /dev/null
+++ b/runtime/onert/core/include/backend/IKernelGenerator.h
@@ -0,0 +1,76 @@
+/*
+ * 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.
+ */
+
+#ifndef __ONERT_BACKEND_IKERNEL_GENERATOR_H__
+#define __ONERT_BACKEND_IKERNEL_GENERATOR_H__
+
+#include <assert.h>
+#include <memory>
+#include <functional>
+
+#include "ITensorBuilder.h"
+#include "ir/OperationVisitor.h"
+#include "ir/OpSequence.h"
+#include <memory>
+#include "exec/FunctionSequence.h"
+
+namespace onert
+{
+namespace backend
+{
+
+class IKernelGenerator : public ir::OperationVisitor
+{
+public:
+  virtual ~IKernelGenerator() = default;
+
+  std::unique_ptr<exec::IFunction> releaseFunction()
+  {
+    assert(_return_fn);
+    return std::move(_return_fn);
+  }
+
+  std::unique_ptr<exec::FunctionSequence> generate(const ir::OpSequence &op_seq)
+  {
+    op_seq.accept(*this);
+    return std::move(_return_fn_seq);
+  }
+
+protected:
+  using OperationVisitor::visit;
+
+  void visit(const ir::OpSequence &) override
+  {
+    throw std::runtime_error("KernelGenerator: NYI for operation 'OpSequence'");
+  }
+
+#define OP(InternalName)                                                                \
+  void visit(const ir::operation::InternalName &) override                              \
+  {                                                                                     \
+    throw std::runtime_error("KernelGenerator: NYI for operation '" #InternalName "'"); \
+  }
+#include "ir/Operations.lst"
+#undef OP
+
+protected:
+  std::unique_ptr<exec::IFunction> _return_fn;
+  std::unique_ptr<exec::FunctionSequence> _return_fn_seq; // TODO Extract this out
+};
+
+} // namespace backend
+} // namespace onert
+
+#endif // __ONERT_BACKEND_IKERNEL_GENERATOR_H__