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Utility functions to recover network names after optimization (lsils#497
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/* mockturtle: C++ logic network library | ||
* Copyright (C) 2018-2021 EPFL | ||
* | ||
* Permission is hereby granted, free of charge, to any person | ||
* obtaining a copy of this software and associated documentation | ||
* files (the "Software"), to deal in the Software without | ||
* restriction, including without limitation the rights to use, | ||
* copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
* copies of the Software, and to permit persons to whom the | ||
* Software is furnished to do so, subject to the following | ||
* conditions: | ||
* | ||
* The above copyright notice and this permission notice shall be | ||
* included in all copies or substantial portions of the Software. | ||
* | ||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | ||
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | ||
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | ||
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | ||
* OTHER DEALINGS IN THE SOFTWARE. | ||
*/ | ||
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/*! | ||
\file name_utils.hpp | ||
\brief Utility functions to restore network names after optimization. | ||
\author Marcel Walter | ||
*/ | ||
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#pragma once | ||
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#include "../traits.hpp" | ||
#include "node_map.hpp" | ||
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namespace mockturtle | ||
{ | ||
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/*! \brief Restores the network name that might have been given to network's former incarnation. | ||
* | ||
* \param ntk_src The source logic network, which potentially has a name | ||
* \param ntk_dest The destination logic network, whose name is to be restored | ||
*/ | ||
template<typename NtkSrc, typename NtkDest> | ||
void restore_network_name( const NtkSrc& ntk_src, NtkDest& ntk_dest ) noexcept | ||
{ | ||
static_assert( is_network_type_v<NtkSrc>, "NtkSrc is not a network type" ); | ||
static_assert( is_network_type_v<NtkDest>, "NtkDest is not a network type" ); | ||
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if constexpr ( has_get_network_name_v<NtkSrc> && has_set_network_name_v<NtkDest> ) | ||
{ | ||
ntk_dest.set_network_name( ntk_src.get_network_name() ); | ||
} | ||
} | ||
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/*! \brief Restores all names that might have been given to a network's former incarnation. | ||
* | ||
* **Required network functions for the NtkSrc:** | ||
* - `foreach_node` | ||
* - `foreach_fanin` | ||
* - `foreach_po` | ||
* - `get_node` | ||
* | ||
* \param ntk_src The source logic network, which potentially has named signals | ||
* \param ntk_dest The destination logic network, whose names are to be restored | ||
* \param old2new Mapping of nodes from ntk_src to signals of ntk_dest | ||
*/ | ||
template<typename NtkSrc, typename NtkDest> | ||
void restore_names( const NtkSrc& ntk_src, NtkDest& ntk_dest, node_map<signal<NtkDest>, NtkSrc>& old2new ) noexcept | ||
{ | ||
restore_network_name( ntk_src, ntk_dest ); | ||
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if constexpr ( has_has_name_v<NtkSrc> && has_get_name_v<NtkSrc> && has_set_name_v<NtkDest> ) | ||
{ | ||
static_assert( has_foreach_node_v<NtkSrc>, "NtkSrc does not implement the foreach_node function" ); | ||
static_assert( has_foreach_fanin_v<NtkSrc>, "NtkSrc does not implement the foreach_fanin function" ); | ||
static_assert( has_foreach_po_v<NtkSrc>, "NtkSrc does not implement the foreach_po function" ); | ||
static_assert( has_get_node_v<NtkSrc>, "NtkSrc does not implement the get_node function" ); | ||
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const auto restore_signal_name = [&ntk_src, &ntk_dest, &old2new]( const auto& f ) | ||
{ | ||
if ( ntk_src.has_name( f ) ) | ||
{ | ||
const auto name = ntk_src.get_name( f ); | ||
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ntk_dest.set_name( old2new[ntk_src.get_node( f )], name ); | ||
} | ||
}; | ||
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const auto restore_output_name = [&ntk_src, &ntk_dest]( [[maybe_unused]] const auto& po, const auto i ) | ||
{ | ||
if ( ntk_src.has_output_name( i ) ) | ||
{ | ||
const auto name = ntk_src.get_output_name( i ); | ||
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ntk_dest.set_output_name( i, name ); | ||
} | ||
}; | ||
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ntk_src.foreach_node( [&ntk_src, &restore_signal_name]( const auto& n ) | ||
{ ntk_src.foreach_fanin( n, restore_signal_name ); } ); | ||
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ntk_src.foreach_po( restore_output_name ); | ||
} | ||
} | ||
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} // namespace mockturtle |