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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 __ENCO_CPP_GEN_SUBNET_H__
#define __ENCO_CPP_GEN_SUBNET_H__
#include "ANN/Binder.h"
#include "CppGen/MemoryContext.h"
#include <pp/MultiLineText.h>
#include <map>
#include <set>
namespace enco
{
/**
* @brief A C++ struct that provides Android NN model & compilation
*/
struct SubnetStruct
{
virtual ~SubnetStruct() = default;
/// @brief Return the field name of ANeuralNetworksModel value
virtual std::string model(void) const = 0;
/// @brief Return the field name of ANeuralNetworksCompilatoin value
virtual std::string compilation(void) const = 0;
virtual const pp::MultiLineText &def(void) const = 0;
virtual const pp::MultiLineText &ctor(void) const = 0;
virtual const pp::MultiLineText &dtor(void) const = 0;
};
class SubnetStructBuilder
{
public:
std::unique_ptr<SubnetStruct> build(const ANNBinder *binder) const;
public:
void expr(const ann::Operand *oper, const std::string &base, const std::string &size)
{
_weighted.insert(oper);
_base_exprs[oper] = base;
_size_exprs[oper] = size;
}
private:
std::set<const ann::Operand *> _weighted;
std::map<const ann::Operand *, std::string> _base_exprs;
std::map<const ann::Operand *, std::string> _size_exprs;
};
/**
* @brief Generate C++ code that invokes Android NN subnet
*/
class SubnetBlockCompiler
{
public:
SubnetBlockCompiler(const enco::MemoryContext &mem) : _mem(mem)
{
// DO NOTHING
}
public:
/// @brief Specify how to access ANeuralNetworksCompilation value (C expression)
void bind(const ANNBinder *binder, const std::string &exp) { _compilation_ctx[binder] = exp; }
public:
std::unique_ptr<pp::MultiLineText> compile(const ANNBinder *binder) const;
private:
const enco::MemoryContext &_mem;
std::map<const ANNBinder *, std::string> _compilation_ctx;
};
} // namespace enco
#endif // __ENCO_CPP_GEN_SUBNET_H__
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