kicad/eeschema/sim/spice_library_parser.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2022 Mikolaj Wielgus
* Copyright (C) 2022-2023 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* https://www.gnu.org/licenses/gpl-3.0.html
* or you may search the http://www.gnu.org website for the version 3 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <confirm.h>
#include <sim/spice_library_parser.h>
#include <sim/sim_library_spice.h>
2022-09-21 13:49:38 +00:00
#include <sim/spice_grammar.h>
#include <sim/sim_model_spice.h>
#include <sim/sim_model_spice_fallback.h>
#include <ki_exception.h>
#include <pegtl.hpp>
#include <pegtl/contrib/parse_tree.hpp>
namespace SIM_LIBRARY_SPICE_PARSER
{
using namespace SPICE_GRAMMAR;
// TODO: unknownLine is already handled in spiceUnit.
struct libraryGrammar : spiceSourceGrammar {};
template <typename Rule> struct librarySelector : std::false_type {};
template <> struct librarySelector<modelUnit> : std::true_type {};
template <> struct librarySelector<modelName> : std::true_type {};
template <> struct librarySelector<dotInclude> : std::true_type {};
template <> struct librarySelector<dotIncludePathWithoutQuotes> : std::true_type {};
template <> struct librarySelector<dotIncludePathWithoutApostrophes> : std::true_type {};
template <> struct librarySelector<dotIncludePath> : std::true_type {};
// For debugging.
template <> struct librarySelector<unknownLine> : std::true_type {};
};
static SIM_MODEL::TYPE getFallbackType( const wxString& aToken, const wxString& aLine )
{
for( SIM_MODEL::TYPE candidate : SIM_MODEL::TYPE_ITERATOR() )
{
wxString candidate_type = SIM_MODEL::SpiceInfo( candidate ).modelType;
if( candidate_type.IsEmpty() )
continue;
if( SIM_MODEL::SpiceInfo( candidate ).level != ""
&& !SIM_MODEL::SpiceInfo( candidate ).isDefaultLevel )
{
continue;
}
if( candidate_type.StartsWith( wxS( "VDMOS" ) ) && aToken == wxS( "VDMOS" ) )
{
if( candidate_type.EndsWith( wxS( "PCHAN" ) ) )
{
if( aLine.Upper().Contains( wxS( "PCHAN" ) ) )
return candidate;
}
else
{
if( !aLine.Upper().Contains( wxS( "PCHAN" ) ) )
return candidate;
}
}
else if( aToken.StartsWith( candidate_type ) )
{
return candidate;
}
}
return SIM_MODEL::TYPE::NONE;
}
void SPICE_LIBRARY_PARSER::readFallbacks( const wxString& aFilePath, REPORTER& aReporter )
{
try
{
wxArrayString lines = wxSplit( SafeReadFile( aFilePath, wxS( "r" ) ), '\n' );
for( const wxString& line : lines )
{
wxStringTokenizer tokenizer( line, wxS( " ()\t\r\n" ), wxTOKEN_STRTOK );
wxString token = tokenizer.GetNextToken().Lower();
if( token == wxS( ".model" ) )
{
wxString name = tokenizer.GetNextToken();
wxString typeToken = tokenizer.GetNextToken().Upper();
SIM_MODEL::TYPE type = getFallbackType( typeToken, line );
m_library.m_models.push_back( std::make_unique<SIM_MODEL_SPICE_FALLBACK>( type ) );
m_library.m_modelNames.emplace_back( name );
}
else if( token == wxS( ".inc" ) )
{
wxString lib = tokenizer.GetNextToken();
if( m_library.m_pathResolver )
lib = ( *m_library.m_pathResolver )( lib, aFilePath );
parseFile( lib, aReporter );
}
}
}
catch( IO_ERROR& e )
{
aReporter.Report( e.What(), RPT_SEVERITY_ERROR );
}
}
void SPICE_LIBRARY_PARSER::parseFile( const wxString &aFilePath, REPORTER& aReporter )
{
try
{
tao::pegtl::string_input<> in( SafeReadFile( aFilePath, wxS( "r" ) ).ToStdString(),
aFilePath.ToStdString() );
auto root = tao::pegtl::parse_tree::parse<SIM_LIBRARY_SPICE_PARSER::libraryGrammar,
SIM_LIBRARY_SPICE_PARSER::librarySelector,
tao::pegtl::nothing,
SIM_LIBRARY_SPICE_PARSER::control> ( in );
for( const auto& node : root->children )
{
if( node->is_type<SIM_LIBRARY_SPICE_PARSER::modelUnit>() )
{
std::string model = node->string();
std::string modelName = node->children.at( 0 )->string();
try
{
m_library.m_models.push_back( SIM_MODEL_SPICE::Create( m_library, model ) );
m_library.m_modelNames.emplace_back( modelName );
}
catch( const IO_ERROR& e )
{
aReporter.Report( e.What(), RPT_SEVERITY_ERROR );
}
catch( ... )
{
aReporter.Report( wxString::Format( _( "Cannot create sim model from %s" ),
model ),
RPT_SEVERITY_ERROR );
}
}
else if( node->is_type<SIM_LIBRARY_SPICE_PARSER::dotInclude>() )
{
wxString lib = node->children.at( 0 )->string();
try
{
if( m_library.m_pathResolver )
lib = ( *m_library.m_pathResolver )( lib, aFilePath );
parseFile( lib, aReporter );
}
catch( const IO_ERROR& e )
{
aReporter.Report( e.What(), RPT_SEVERITY_ERROR );
}
}
else if( node->is_type<SIM_LIBRARY_SPICE_PARSER::unknownLine>() )
{
// Do nothing.
}
else
{
wxFAIL_MSG( "Unhandled parse tree node" );
}
}
}
catch( const IO_ERROR& e )
{
aReporter.Report( e.What(), RPT_SEVERITY_ERROR );
}
catch( const tao::pegtl::parse_error& e )
{
aReporter.Report( e.what(), RPT_SEVERITY_ERROR );
}
}
void SPICE_LIBRARY_PARSER::ReadFile( const wxString& aFilePath, REPORTER* aReporter )
{
m_library.m_models.clear();
m_library.m_modelNames.clear();
// Aside from the simulation model editor dialog, about the only data we use from the
// complete models are the pin definitions for SUBCKTs. The standard LTSpice "cmp" libraries
// (cmp/standard.bjt, cmp/standard.mos, etc.) have copious error which trip up our parser,
// and our parser is *really* slow on such large files (nearly 5 seconds on my dev machine).
if( !m_forceFullParse && aFilePath.Contains( wxS( "/LTspiceXVII/lib/cmp/standard" ) ) )
readFallbacks( aFilePath, *aReporter );
else
parseFile( aFilePath, *aReporter );
}