/*
 * 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.
 */

#ifndef __NEURUN_BACKEND_CPU_BACKEND_H__
#define __NEURUN_BACKEND_CPU_BACKEND_H__

#include <memory>
#include <backend/Backend.h>
#include <ir/Operands.h>

#include "Config.h"
#include "ConstantInitializer.h"
#include "KernelGenerator.h"
#include "ShapeFixer.h"
#include "TensorRegister.h"

namespace neurun
{
namespace backend
{
namespace cpu
{

class Backend : public ::neurun::backend::Backend
{
public:
  Backend() : _config{std::make_shared<Config>()} {}

  std::shared_ptr<IConfig> config() const override { return _config; }

  std::unique_ptr<BackendContext>
  newContext(const ir::Operands &operands,
             const std::shared_ptr<custom::IKernelBuilder> &kb) const override
  {
    auto tensor_builder = std::make_shared<TensorBuilder>();
    return std::unique_ptr<BackendContext>{new BackendContext{
        this, tensor_builder, std::make_shared<ConstantInitializer>(operands, tensor_builder),
        std::make_shared<KernelGenerator>(operands, tensor_builder, kb),
        std::make_shared<ShapeFixer>(operands, tensor_builder),
        std::make_shared<TensorRegister>(operands, tensor_builder)}};
  }

private:
  std::shared_ptr<IConfig> _config;
};

} // namespace cpu
} // namespace backend
} // namespace neurun

#endif // __NEURUN_BACKEND_CPU_BACKEND_H__