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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 __NEURUN_BACKEND_ISTAGE_GENERATOR_H__
#define __NEURUN_BACKEND_ISTAGE_GENERATOR_H__
#include <memory>
#include <functional>
#include "exec/interface/IFunction.h"
#include "backend/interface/ITensorBuilder.h"
#include "model/operation/NodeVisitor.h"
struct IExecutionBuilder
{
virtual ~IExecutionBuilder() = default;
virtual void append(std::unique_ptr<::neurun::exec::IFunction> &&f) = 0;
};
using Stage = std::function<void(IExecutionBuilder &)>;
namespace neurun
{
namespace backend
{
class IStageGenerator : model::operation::NodeVisitor
{
public:
virtual ~IStageGenerator() = default;
virtual std::shared_ptr<ITensorBuilder> tensor_builder() = 0;
protected:
#define OP(InternalName, IsNnApi, NnApiName) \
virtual void visit(const model::operation::InternalName &) override {}
#include "model/operation/Op.lst"
#undef OP
protected:
void returnStage(const Stage &stage) { _return = stage; }
public:
Stage generate(const model::operation::Node &node)
{
node.accept(std::move(*this));
return _return;
}
private:
Stage _return = nullptr;
};
} // namespace backend
} // namespace neurun
#endif // __NEURUN_BACKEND_ISTAGE_GENERATOR_H__
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