KernelGeneratorBase.h

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/*
 * 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_BASIC_KERNEL_GENERATOR_BASE_H__
#define __ONERT_BACKEND_BASIC_KERNEL_GENERATOR_BASE_H__
 
#include <assert.h>
#include <memory>
#include <functional>
 
#include "ir/Graph.h"
#include "ir/OperationVisitor.h"
#include "exec/FunctionSequence.h"
#include "backend/ITensorRegistry.h"
 
namespace onert
{
namespace backend
{
namespace basic
{
 
class KernelGeneratorBase : public ir::OperationVisitor
{
public:
  virtual ~KernelGeneratorBase() = default;
  KernelGeneratorBase(const ir::Graph &graph) : _graph{graph} {}
 
  virtual std::unique_ptr<exec::FunctionSequence> generate(ir::OperationIndex ind) = 0;
 
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:
  std::unique_ptr<exec::IFunction> releaseFunction()
  {
    assert(_return_fn);
    return std::move(_return_fn);
  }
 
protected:
  const ir::Graph &_graph;
  std::unique_ptr<exec::IFunction> _return_fn;
};
 
} // namespace basic
} // namespace backend
} // namespace onert
 
#endif // __ONERT_BACKEND_BASIC_KERNEL_GENERATOR_BASE_H__