330 lines
12 KiB
C++
330 lines
12 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2022 Mikolaj Wielgus
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* Copyright (C) 2022-2024 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* https://www.gnu.org/licenses/gpl-3.0.html
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* or you may search the http://www.gnu.org website for the version 3 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <wx/log.h>
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#include <sim/spice_model_parser.h>
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#include <sim/spice_grammar.h>
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#include <sim/sim_model_spice.h>
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#include <sim/sim_library_spice.h>
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#include <boost/algorithm/string/case_conv.hpp>
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#include <boost/algorithm/string/predicate.hpp>
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#include <pegtl.hpp>
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#include <pegtl/contrib/parse_tree.hpp>
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/**
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* Flag to enable SPICE model parser debugging output.
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*
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* @ingroup trace_env_vars
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*/
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static const wxChar traceSpiceModelParser[] = wxT( "KICAD_SPICE_MODEL_PARSER" );
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namespace SIM_MODEL_SPICE_PARSER
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{
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using namespace SPICE_GRAMMAR;
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template <typename Rule> struct spiceUnitSelector : std::false_type {};
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template <> struct spiceUnitSelector<dotModelAko> : std::true_type {};
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template <> struct spiceUnitSelector<dotModel> : std::true_type {};
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template <> struct spiceUnitSelector<modelName> : std::true_type {};
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template <> struct spiceUnitSelector<dotModelType> : std::true_type {};
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template <> struct spiceUnitSelector<param> : std::true_type {};
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template <> struct spiceUnitSelector<paramValue> : std::true_type {};
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template <> struct spiceUnitSelector<dotSubckt> : std::true_type {};
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}
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SIM_MODEL::TYPE SPICE_MODEL_PARSER::ReadType( const SIM_LIBRARY_SPICE& aLibrary,
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const std::string& aSpiceCode )
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{
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tao::pegtl::string_input<> in( aSpiceCode, "Spice_Code" );
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std::unique_ptr<tao::pegtl::parse_tree::node> root;
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try
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{
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root = tao::pegtl::parse_tree::parse<SIM_MODEL_SPICE_PARSER::spiceUnitGrammar,
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SIM_MODEL_SPICE_PARSER::spiceUnitSelector,
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tao::pegtl::nothing,
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SIM_MODEL_SPICE_PARSER::control>
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( in );
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}
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catch( const tao::pegtl::parse_error& e )
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{
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wxLogTrace( traceSpiceModelParser, wxS( "%s" ), e.what() );
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return SIM_MODEL::TYPE::NONE;
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}
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for( const auto& node : root->children )
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{
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if( node->is_type<SIM_MODEL_SPICE_PARSER::dotModelAko>() )
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{
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std::string modelName = node->children.at( 0 )->string();
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std::string akoName = node->children.at( 1 )->string();
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const SIM_MODEL* sourceModel = aLibrary.FindModel( akoName );
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if( !sourceModel )
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{
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THROW_IO_ERROR( wxString::Format(
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_( "Could not find model '%s' to copy for \"A Kind Of\" model '%s'" ),
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akoName,
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modelName ) );
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}
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return sourceModel->GetType();
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}
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else if( node->is_type<SIM_MODEL_SPICE_PARSER::dotModel>() )
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{
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std::string paramName;
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std::string typeString;
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std::string level;
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std::string version;
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for( const auto& subnode : node->children )
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{
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if( subnode->is_type<SIM_MODEL_SPICE_PARSER::modelName>() )
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{
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// Do nothing.
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}
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else if( subnode->is_type<SIM_MODEL_SPICE_PARSER::dotModelType>() )
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{
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typeString = subnode->string();
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SIM_MODEL::TYPE type = ReadTypeFromSpiceStrings( typeString );
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if( type != SIM_MODEL::TYPE::RAWSPICE )
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return type;
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}
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else if( subnode->is_type<SIM_MODEL_SPICE_PARSER::param>() )
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{
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paramName = subnode->string();
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}
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else if( subnode->is_type<SIM_MODEL_SPICE_PARSER::paramValue>() )
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{
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wxASSERT( paramName != "" );
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if( paramName == "level" )
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level = subnode->string();
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else if( paramName == "version" )
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version = subnode->string();
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}
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else
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{
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wxFAIL_MSG( "Unhandled parse tree subnode" );
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return SIM_MODEL::TYPE::NONE;
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}
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}
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// Type was not determined from Spice type string alone, so now we take `level` and
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// `version` variables into account too. This is suboptimal since we read the model
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// twice this way, and moreover the code is now somewhat duplicated.
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return ReadTypeFromSpiceStrings( typeString, level, version, false );
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}
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else if( node->is_type<SIM_MODEL_SPICE_PARSER::dotSubckt>() )
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{
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return SIM_MODEL::TYPE::SUBCKT;
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}
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else
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{
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wxFAIL_MSG( "Unhandled parse tree node" );
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return SIM_MODEL::TYPE::NONE;
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}
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}
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wxFAIL_MSG( "Could not derive type from SPICE code" );
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return SIM_MODEL::TYPE::NONE;
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}
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void SPICE_MODEL_PARSER::ReadModel( const SIM_LIBRARY_SPICE& aLibrary,
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const std::string& aSpiceCode )
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{
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// The default behavior is to treat the Spice param=value pairs as the model parameters and
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// values (for many models the correspondence is not exact, so this function is overridden).
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tao::pegtl::string_input<> in( aSpiceCode, "Spice_Code" );
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std::unique_ptr<tao::pegtl::parse_tree::node> root;
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try
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{
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root = tao::pegtl::parse_tree::parse<SIM_MODEL_SPICE_PARSER::spiceUnitGrammar,
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SIM_MODEL_SPICE_PARSER::spiceUnitSelector,
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tao::pegtl::nothing,
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SIM_MODEL_SPICE_PARSER::control>
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( in );
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}
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catch( tao::pegtl::parse_error& e )
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{
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THROW_IO_ERROR( e.what() );
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}
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for( const auto& node : root->children )
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{
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if( node->is_type<SIM_MODEL_SPICE_PARSER::dotModelAko>() )
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{
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std::string modelName = node->children.at( 0 )->string();
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std::string akoName = node->children.at( 1 )->string();
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const SIM_MODEL* sourceModel = aLibrary.FindModel( akoName );
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if( !sourceModel )
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{
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THROW_IO_ERROR( wxString::Format(
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_( "Could not find model '%s' to copy for \"A Kind Of\" model '%s'" ),
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akoName,
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modelName ) );
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}
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for( int i = 0; i < static_cast<int>( sourceModel->GetParamCount() ); ++i )
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m_model.SetParamValue( i, sourceModel->GetParam( i ).value );
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std::string paramName;
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for( const auto& subnode : node->children )
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{
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if( subnode->is_type<SIM_MODEL_SPICE_PARSER::modelName>() )
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{
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// Do nothing.
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}
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else if( subnode->is_type<SIM_MODEL_SPICE_PARSER::dotModelType>() )
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{
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// Do nothing.
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}
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else if( subnode->is_type<SIM_MODEL_SPICE_PARSER::param>() )
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{
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paramName = subnode->string();
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}
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else if( subnode->is_type<SIM_MODEL_SPICE_PARSER::paramValue>() )
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{
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wxASSERT( paramName != "" );
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m_model.SetParamFromSpiceCode( paramName, subnode->string() );
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}
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else
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{
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wxFAIL_MSG( "Unhandled parse tree subnode" );
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}
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}
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}
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else if( node->is_type<SIM_MODEL_SPICE_PARSER::dotModel>() )
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{
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std::string modelName;
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std::string paramName;
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for( const auto& subnode : node->children )
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{
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if( subnode->is_type<SIM_MODEL_SPICE_PARSER::modelName>() )
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{
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modelName = subnode->string();
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}
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else if( subnode->is_type<SIM_MODEL_SPICE_PARSER::dotModelType>() )
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{
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// Do nothing.
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}
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else if( subnode->is_type<SIM_MODEL_SPICE_PARSER::param>() )
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{
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paramName = subnode->string();
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}
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else if( subnode->is_type<SIM_MODEL_SPICE_PARSER::paramValue>() )
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{
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wxASSERT( paramName != "" );
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m_model.SetParamFromSpiceCode( paramName, subnode->string() );
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}
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else
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{
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wxFAIL_MSG( "Unhandled parse tree subnode" );
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}
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}
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}
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else
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{
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wxFAIL_MSG( "Unhandled parse tree node" );
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}
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}
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m_model.m_spiceCode = aSpiceCode;
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}
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SIM_MODEL::TYPE SPICE_MODEL_PARSER::ReadTypeFromSpiceStrings( const std::string& aTypeString,
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const std::string& aLevel,
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const std::string& aVersion,
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bool aSkipDefaultLevel )
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{
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wxString input_level = wxString( aLevel ).BeforeFirst( '.' );
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wxString input_type( aTypeString );
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bool vdmos = false;
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bool pchan = false;
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input_type.UpperCase();
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if( input_type.StartsWith( wxS( "VDMOS" ) ) )
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{
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vdmos = true;
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pchan = input_type.Contains( wxS( "PCHAN" ) );
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}
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for( SIM_MODEL::TYPE candidate : SIM_MODEL::TYPE_ITERATOR() )
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{
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wxString candidate_type = SIM_MODEL::SpiceInfo( candidate ).modelType;
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wxString candidate_level = SIM_MODEL::SpiceInfo( candidate ).level;
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wxString candidate_version = SIM_MODEL::SpiceInfo( candidate ).version;
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bool candidate_isDefaultLevel = SIM_MODEL::SpiceInfo( candidate ).isDefaultLevel;
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if( candidate_type.IsEmpty() )
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continue;
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if( candidate_type.StartsWith( wxS( "VDMOS" ) ) && vdmos )
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{
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if( vdmos && pchan && candidate_type.EndsWith( wxS( "PCHAN" ) ) )
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return candidate;
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else if( vdmos && !pchan && candidate_type.EndsWith( wxS( "NCHAN" ) ) )
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return candidate;
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}
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else if( input_type.StartsWith( candidate_type ) )
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{
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if( candidate_version != aVersion )
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continue;
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if( candidate_level == input_level )
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return candidate;
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if( aSkipDefaultLevel )
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continue;
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if( candidate_isDefaultLevel && aLevel == "" )
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return candidate;
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}
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}
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// If the type string is not recognized, demote to a raw Spice element. This way the user won't
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// have an error if there is a type KiCad does not recognize.
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return SIM_MODEL::TYPE::RAWSPICE;
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}
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