sim_lib_mgr.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) 2022-2024 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 <pgm_base.h>
#include <string>
#include <string_utils.h>
#include <common.h>
#include <functional>
#include <sch_symbol.h>
 
// Include simulator headers after wxWidgets headers to avoid conflicts with Windows headers
// (especially on msys2 + wxWidgets 3.0.x)
#include <sim/sim_lib_mgr.h>
#include <sim/sim_library.h>
#include <sim/sim_model.h>
#include <sim/sim_model_ideal.h>
 
using namespace std::placeholders;
 
 
SIM_LIB_MGR::SIM_LIB_MGR( const PROJECT* aPrj ) :
 m_project( aPrj ),
 m_forceFullParse( false )
{
}
 
 
void SIM_LIB_MGR::Clear()
{
 m_libraries.clear();
 m_models.clear();
}
 
 
wxString SIM_LIB_MGR::ResolveLibraryPath( const wxString& aLibraryPath, const PROJECT* aProject )
{
 wxString expandedPath = ExpandEnvVarSubstitutions( aLibraryPath, aProject );
 
 // Convert it to UNIX format
 expandedPath.Replace( '\\', '/' );
 
 wxFileName fn( expandedPath );
 
 if( fn.IsAbsolute() )
 return fn.GetFullPath();
 
 wxFileName projectFn( aProject ? aProject->AbsolutePath( expandedPath ) : expandedPath );
 
 if( projectFn.Exists() )
 return projectFn.GetFullPath();
 
 wxFileName spiceLibFn( expandedPath );
 wxString spiceLibDir;
 
 wxGetEnv( wxT( "SPICE_LIB_DIR" ), &spiceLibDir );
 
 if( !spiceLibDir.IsEmpty() && spiceLibFn.MakeAbsolute( spiceLibDir ) && spiceLibFn.Exists() )
 return spiceLibFn.GetFullPath();
 
 if( spiceLibDir.IsEmpty() || spiceLibFn.GetFullPath() == projectFn.GetFullPath() )
 {
 THROW_IO_ERROR( wxString::Format( _( "Simulation model library not found at '%s'" ),
 projectFn.GetFullPath() ) );
 }
 else
 {
 THROW_IO_ERROR( wxString::Format( _( "Simulation model library not found at '%s' or '%s'" ),
 projectFn.GetFullPath(),
 spiceLibFn.GetFullPath() ) );
 }
}
 
 
wxString SIM_LIB_MGR::ResolveEmbeddedLibraryPath( const wxString& aLibPath,
 const wxString& aRelativeLib )
{
 wxFileName testPath( aLibPath );
 wxString fullPath( aLibPath );
 
 if( !testPath.IsAbsolute() && !aRelativeLib.empty() )
 {
 wxString relLib( aRelativeLib );
 
 try
 {
 relLib = ResolveLibraryPath( relLib, m_project );
 }
 catch( ... )
 {}
 
 wxFileName fn( relLib );
 
 testPath.MakeAbsolute( fn.GetPath( true ) );
 fullPath = testPath.GetFullPath();
 }
 
 try
 {
 wxFileName fn( fullPath );
 
 if( !fn.Exists() )
 fullPath = aLibPath;
 
 fullPath = ResolveLibraryPath( fullPath, m_project );
 }
 catch( ... )
 {}
 
 return fullPath;
}
 
 
void SIM_LIB_MGR::SetLibrary( const wxString& aLibraryPath, REPORTER& aReporter )
{
 try
 {
 wxString path = ResolveLibraryPath( aLibraryPath, m_project );
 
 std::function<wxString(const wxString&, const wxString&)> f2 =
 std::bind( &SIM_LIB_MGR::ResolveEmbeddedLibraryPath, this, _1, _2 );
 
 std::unique_ptr<SIM_LIBRARY> library = SIM_LIBRARY::Create( path, m_forceFullParse,
 aReporter, &f2 );
 
 Clear();
 m_libraries[path] = std::move( library );
 }
 catch( const IO_ERROR& e )
 {
 aReporter.Report( e.What() );
 }
}
 
 
SIM_MODEL& SIM_LIB_MGR::CreateModel( SIM_MODEL::TYPE aType, const std::vector<SCH_PIN*>& aPins,
 REPORTER& aReporter )
{
 m_models.push_back( SIM_MODEL::Create( aType, aPins, aReporter ) );
 return *m_models.back();
}
 
 
SIM_MODEL& SIM_LIB_MGR::CreateModel( const SIM_MODEL* aBaseModel,
 const std::vector<SCH_PIN*>& aPins, REPORTER& aReporter )
{
 m_models.push_back( SIM_MODEL::Create( aBaseModel, aPins, aReporter ) );
 return *m_models.back();
}
 
 
SIM_MODEL& SIM_LIB_MGR::CreateModel( const SIM_MODEL* aBaseModel,
 const std::vector<SCH_PIN*>& aPins,
 const std::vector<SCH_FIELD>& aFields, REPORTER& aReporter )
{
 m_models.push_back( SIM_MODEL::Create( aBaseModel, aPins, aFields, aReporter ) );
 return *m_models.back();
}
 
SIM_LIBRARY::MODEL SIM_LIB_MGR::CreateModel( const SCH_SHEET_PATH* aSheetPath, SCH_SYMBOL& aSymbol,
 REPORTER& aReporter )
{
 // Note: currently this creates a resolved model (all Kicad variables references are resolved
 // before building the model).
 //
 // That's not what we want if this is ever called from the Simulation Model Editor (or other
 // editors, but it is what we want if called to generate a netlist or other exported items.
 
 
 std::vector<SCH_FIELD> fields;
 
 for( const SCH_FIELD& field : aSymbol.GetFields() )
 {
 if( field.GetId() == REFERENCE_FIELD )
 {
 fields.emplace_back( VECTOR2I(), -1, &aSymbol, field.GetName() );
 fields.back().SetText( aSymbol.GetRef( aSheetPath ) );
 }
 else if( field.GetId() == VALUE_FIELD
 || field.GetName().StartsWith( wxS( "Sim." ) ) )
 {
 fields.emplace_back( VECTOR2I(), -1, &aSymbol, field.GetName() );
 fields.back().SetText( field.GetShownText( aSheetPath, false ) );
 }
 }
 
 auto getOrCreateField =
 [&aSymbol, &fields]( const wxString& name ) -> SCH_FIELD*
 {
 for( SCH_FIELD& field : fields )
 {
 if( field.GetName().IsSameAs( name ) )
 return &field;
 }
 
 fields.emplace_back( &aSymbol, -1, name );
 return &fields.back();
 };
 
 wxString deviceType;
 wxString modelType;
 wxString modelParams;
 wxString pinMap;
 bool storeInValue = false;
 
 // Infer RLC and VI models if they aren't specified
 if( SIM_MODEL::InferSimModel( aSymbol, &fields, true, SIM_VALUE_GRAMMAR::NOTATION::SI,
 &deviceType, &modelType, &modelParams, &pinMap ) )
 {
 getOrCreateField( SIM_DEVICE_FIELD )->SetText( deviceType );
 
 if( !modelType.IsEmpty() )
 getOrCreateField( SIM_DEVICE_SUBTYPE_FIELD )->SetText( modelType );
 
 getOrCreateField( SIM_PARAMS_FIELD )->SetText( modelParams );
 getOrCreateField( SIM_PINS_FIELD )->SetText( pinMap );
 
 storeInValue = true;
 }
 
 std::vector<SCH_PIN*> sourcePins = aSymbol.GetAllLibPins();
 
 std::sort( sourcePins.begin(), sourcePins.end(),
 []( const SCH_PIN* lhs, const SCH_PIN* rhs )
 {
 return StrNumCmp( lhs->GetNumber(), rhs->GetNumber(), true ) < 0;
 } );
 
 SIM_LIBRARY::MODEL model = CreateModel( fields, sourcePins, true, aReporter );
 
 model.model.SetIsStoredInValue( storeInValue );
 
 return model;
}
 
 
SIM_LIBRARY::MODEL SIM_LIB_MGR::CreateModel( const std::vector<SCH_FIELD>& aFields,
 const std::vector<SCH_PIN*>& aPins, bool aResolved,
 REPORTER& aReporter )
{
 std::string libraryPath = SIM_MODEL::GetFieldValue( &aFields, SIM_LIBRARY::LIBRARY_FIELD );
 std::string baseModelName = SIM_MODEL::GetFieldValue( &aFields, SIM_LIBRARY::NAME_FIELD );
 
 if( libraryPath != "" )
 {
 return CreateModel( libraryPath, baseModelName, aFields, aPins, aReporter );
 }
 else
 {
 m_models.push_back( SIM_MODEL::Create( aFields, aPins, aResolved, aReporter ) );
 return { baseModelName, *m_models.back() };
 }
}
 
 
SIM_LIBRARY::MODEL SIM_LIB_MGR::CreateModel( const wxString& aLibraryPath,
 const std::string& aBaseModelName,
 const std::vector<SCH_FIELD>& aFields,
 const std::vector<SCH_PIN*>& aPins,
 REPORTER& aReporter )
{
 wxString path;
 wxString msg;
 SIM_LIBRARY* library = nullptr;
 SIM_MODEL* baseModel = nullptr;
 std::string modelName;
 
 try
 {
 path = ResolveLibraryPath( aLibraryPath, m_project );
 
 auto it = m_libraries.find( path );
 
 if( it == m_libraries.end() )
 {
 std::function<wxString( const wxString&, const wxString& )> f2 =
 std::bind( &SIM_LIB_MGR::ResolveEmbeddedLibraryPath, this, _1, _2 );
 
 it = m_libraries.emplace( path, SIM_LIBRARY::Create( path, m_forceFullParse,
 aReporter, &f2 ) ).first;
 }
 
 library = &*it->second;
 }
 catch( const IO_ERROR& e )
 {
 msg.Printf( _( "Error loading simulation model library '%s': %s" ),
 path,
 e.What() );
 
 aReporter.Report( msg, RPT_SEVERITY_ERROR );
 }
 
 if( aBaseModelName == "" )
 {
 msg.Printf( _( "Error loading simulation model: no '%s' field" ),
 SIM_LIBRARY::NAME_FIELD );
 
 aReporter.Report( msg, RPT_SEVERITY_ERROR );
 
 modelName = _( "unknown" ).ToStdString();
 }
 else if( library )
 {
 baseModel = library->FindModel( aBaseModelName );
 modelName = aBaseModelName;
 
 if( !baseModel )
 {
 msg.Printf( _( "Error loading simulation model: could not find base model '%s' "
 "in library '%s'" ),
 aBaseModelName,
 path );
 
 aReporter.Report( msg, RPT_SEVERITY_ERROR );
 }
 }
 
 m_models.push_back( SIM_MODEL::Create( baseModel, aPins, aFields, aReporter ) );
 
 return { modelName, *m_models.back() };
}
 
 
void SIM_LIB_MGR::SetModel( int aIndex, std::unique_ptr<SIM_MODEL> aModel )
{
 m_models.at( aIndex ) = std::move( aModel );
}
 
 
std::map<wxString, std::reference_wrapper<const SIM_LIBRARY>> SIM_LIB_MGR::GetLibraries() const
{
 std::map<wxString, std::reference_wrapper<const SIM_LIBRARY>> libraries;
 
 for( auto& [path, library] : m_libraries )
 libraries.try_emplace( path, *library );
 
 return libraries;
}
 
 
std::vector<std::reference_wrapper<SIM_MODEL>> SIM_LIB_MGR::GetModels() const
{
 std::vector<std::reference_wrapper<SIM_MODEL>> models;
 
 for( const std::unique_ptr<SIM_MODEL>& model : m_models )
 models.emplace_back( *model );
 
 return models;
}