/*
 * 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 __NEURUN_BACKEND_IKERNEL_GENERATOR_H__
#define __NEURUN_BACKEND_IKERNEL_GENERATOR_H__

#include <memory>
#include <functional>

#include "ITensorBuilder.h"
#include "compiler/IExecutionBuilder.h"
#include "ir/OperationVisitor.h"
#include "ir/OpSequence.h"
#include "cpp14/memory.h"

namespace neurun
{
namespace backend
{

class IKernelGenerator : public ir::OperationVisitor
{
public:
  virtual ~IKernelGenerator() = default;

  void generate(const ir::OpSequence &subg, neurun::compiler::IExecutionBuilder *executionBuilder)
  {
    _execution_builder = executionBuilder;
    subg.accept(*this);
  }

protected:
  using OperationVisitor::visit;

#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:
  neurun::compiler::IExecutionBuilder *_execution_builder;
};

} // namespace backend
} // namespace neurun

#endif // __NEURUN_BACKEND_IKERNEL_GENERATOR_H__