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kicad/eeschema/schematic.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020-2023 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, see <http://www.gnu.org/licenses/>.
*/
#include <bus_alias.h>
#include <commit.h>
#include <connection_graph.h>
#include <core/ignore.h>
#include <core/kicad_algo.h>
#include <ee_collectors.h>
#include <erc/erc_settings.h>
#include <sch_marker.h>
#include <project.h>
#include <project/project_file.h>
#include <project/net_settings.h>
#include <schematic.h>
#include <sch_junction.h>
#include <sch_line.h>
#include <sch_screen.h>
#include <sim/spice_settings.h>
#include <sch_label.h>
#include <sim/spice_value.h>
#include <netlist_exporter_spice.h>
SCHEMATIC::SCHEMATIC( PROJECT* aPrj ) :
EDA_ITEM( nullptr, SCHEMATIC_T ),
m_project( nullptr ),
m_rootSheet( nullptr )
{
m_currentSheet = new SCH_SHEET_PATH();
m_connectionGraph = new CONNECTION_GRAPH( this );
SetProject( aPrj );
PROPERTY_MANAGER::Instance().RegisterListener( TYPE_HASH( SCH_FIELD ),
[&]( INSPECTABLE* aItem, PROPERTY_BASE* aProperty, COMMIT* aCommit )
{
// Special case: propagate value, footprint, and datasheet fields to other units
// of a given symbol if they aren't in the selection
SCH_FIELD* field = dynamic_cast<SCH_FIELD*>( aItem );
if( !field || !IsValid() )
return;
SCH_SYMBOL* symbol = dynamic_cast<SCH_SYMBOL*>( field->GetParent() );
if( !symbol || aProperty->Name() != _HKI( "Text" ) )
return;
// TODO(JE) This will need to get smarter to enable API access
SCH_SHEET_PATH sheetPath = CurrentSheet();
wxString newValue = aItem->Get<wxString>( aProperty );
wxString ref = symbol->GetRef( &sheetPath );
int unit = symbol->GetUnit();
LIB_ID libId = symbol->GetLibId();
for( SCH_SHEET_PATH& sheet : GetSheets() )
{
std::vector<SCH_SYMBOL*> otherUnits;
CollectOtherUnits( ref, unit, libId, sheet, &otherUnits );
for( SCH_SYMBOL* otherUnit : otherUnits )
{
switch( field->GetId() )
{
case VALUE_FIELD:
{
if( aCommit )
aCommit->Modify( otherUnit, sheet.LastScreen() );
otherUnit->SetValueFieldText( newValue );
break;
}
case FOOTPRINT_FIELD:
{
if( aCommit )
aCommit->Modify( otherUnit, sheet.LastScreen() );
otherUnit->SetFootprintFieldText( newValue );
break;
}
case DATASHEET_FIELD:
{
if( aCommit )
aCommit->Modify( otherUnit, sheet.LastScreen() );
otherUnit->GetField( DATASHEET_FIELD )->SetText( newValue );
break;
}
default:
break;
}
}
}
} );
}
SCHEMATIC::~SCHEMATIC()
{
PROPERTY_MANAGER::Instance().UnregisterListeners( TYPE_HASH( SCH_FIELD ) );
delete m_currentSheet;
delete m_connectionGraph;
}
void SCHEMATIC::Reset()
{
if( m_project )
{
PROJECT_FILE& project = m_project->GetProjectFile();
// d'tor will save settings to file
delete project.m_ErcSettings;
project.m_ErcSettings = nullptr;
// d'tor will save settings to file
delete project.m_SchematicSettings;
project.m_SchematicSettings = nullptr;
m_project = nullptr; // clear the project, so we don't do this again when setting a new one
}
delete m_rootSheet;
m_rootSheet = nullptr;
m_connectionGraph->Reset();
m_currentSheet->clear();
}
void SCHEMATIC::SetProject( PROJECT* aPrj )
{
if( m_project )
{
PROJECT_FILE& project = m_project->GetProjectFile();
// d'tor will save settings to file
delete project.m_ErcSettings;
project.m_ErcSettings = nullptr;
// d'tor will save settings to file
delete project.m_SchematicSettings;
project.m_SchematicSettings = nullptr;
}
m_project = aPrj;
if( m_project )
{
PROJECT_FILE& project = m_project->GetProjectFile();
project.m_ErcSettings = new ERC_SETTINGS( &project, "erc" );
project.m_SchematicSettings = new SCHEMATIC_SETTINGS( &project, "schematic" );
project.m_SchematicSettings->LoadFromFile();
project.m_SchematicSettings->m_NgspiceSettings->LoadFromFile();
project.m_ErcSettings->LoadFromFile();
}
}
void SCHEMATIC::SetRoot( SCH_SHEET* aRootSheet )
{
wxCHECK_RET( aRootSheet, wxS( "Call to SetRoot with null SCH_SHEET!" ) );
m_rootSheet = aRootSheet;
m_currentSheet->clear();
m_currentSheet->push_back( m_rootSheet );
m_connectionGraph->Reset();
}
SCH_SCREEN* SCHEMATIC::RootScreen() const
{
return IsValid() ? m_rootSheet->GetScreen() : nullptr;
}
void SCHEMATIC::GetContextualTextVars( wxArrayString* aVars ) const
{
auto add =
[&]( const wxString& aVar )
{
if( !alg::contains( *aVars, aVar ) )
aVars->push_back( aVar );
};
add( wxT( "#" ) );
add( wxT( "##" ) );
add( wxT( "SHEETPATH" ) );
add( wxT( "SHEETNAME" ) );
add( wxT( "FILENAME" ) );
add( wxT( "FILEPATH" ) );
add( wxT( "PROJECTNAME" ) );
if( !CurrentSheet().empty() )
CurrentSheet().LastScreen()->GetTitleBlock().GetContextualTextVars( aVars );
for( std::pair<wxString, wxString> entry : Prj().GetTextVars() )
add( entry.first );
}
bool SCHEMATIC::ResolveTextVar( const SCH_SHEET_PATH* aSheetPath, wxString* token,
int aDepth ) const
{
wxCHECK( aSheetPath, false );
if( token->IsSameAs( wxT( "#" ) ) )
{
*token = aSheetPath->GetPageNumber();
return true;
}
else if( token->IsSameAs( wxT( "##" ) ) )
{
*token = wxString::Format( "%i", Root().CountSheets() );
return true;
}
else if( token->IsSameAs( wxT( "SHEETPATH" ) ) )
{
*token = aSheetPath->PathHumanReadable();
return true;
}
else if( token->IsSameAs( wxT( "SHEETNAME" ) ) )
{
*token = aSheetPath->Last()->GetName();
return true;
}
else if( token->IsSameAs( wxT( "FILENAME" ) ) )
{
wxFileName fn( GetFileName() );
*token = fn.GetFullName();
return true;
}
else if( token->IsSameAs( wxT( "FILEPATH" ) ) )
{
wxFileName fn( GetFileName() );
*token = fn.GetFullPath();
return true;
}
else if( token->IsSameAs( wxT( "PROJECTNAME" ) ) )
{
*token = Prj().GetProjectName();
return true;
}
if( aSheetPath->LastScreen()->GetTitleBlock().TextVarResolver( token, m_project ) )
return true;
if( Prj().TextVarResolver( token ) )
return true;
return false;
}
wxString SCHEMATIC::GetFileName() const
{
return IsValid() ? m_rootSheet->GetScreen()->GetFileName() : wxString( wxEmptyString );
}
SCHEMATIC_SETTINGS& SCHEMATIC::Settings() const
{
wxASSERT( m_project );
return *m_project->GetProjectFile().m_SchematicSettings;
}
ERC_SETTINGS& SCHEMATIC::ErcSettings() const
{
wxASSERT( m_project );
return *m_project->GetProjectFile().m_ErcSettings;
}
std::vector<SCH_MARKER*> SCHEMATIC::ResolveERCExclusions()
{
SCH_SHEET_LIST sheetList = GetSheets();
ERC_SETTINGS& settings = ErcSettings();
// Migrate legacy marker exclusions to new format to ensure exclusion matching functions across
// file versions. Silently drops any legacy exclusions which can not be mapped to the new format
// without risking an incorrect exclusion - this is preferable to silently dropping
// new ERC errors / warnings due to an incorrect match between a legacy and new
// marker serialization format
std::set<wxString> migratedExclusions;
for( auto it = settings.m_ErcExclusions.begin(); it != settings.m_ErcExclusions.end(); )
{
SCH_MARKER* testMarker = SCH_MARKER::DeserializeFromString( this, *it );
if( testMarker->IsLegacyMarker() )
{
const wxString settingsKey = testMarker->GetRCItem()->GetSettingsKey();
if( settingsKey != wxT( "pin_to_pin" )
&& settingsKey != wxT( "hier_label_mismatch" )
&& settingsKey != wxT( "different_unit_net" ) )
{
migratedExclusions.insert( testMarker->SerializeToString() );
}
it = settings.m_ErcExclusions.erase( it );
}
else
{
++it;
}
delete testMarker;
}
settings.m_ErcExclusions.insert( migratedExclusions.begin(), migratedExclusions.end() );
// End of legacy exclusion removal / migrations
for( const SCH_SHEET_PATH& sheet : sheetList )
{
for( SCH_ITEM* item : sheet.LastScreen()->Items().OfType( SCH_MARKER_T ) )
{
SCH_MARKER* marker = static_cast<SCH_MARKER*>( item );
wxString serialized = marker->SerializeToString();
std::set<wxString>::iterator it = settings.m_ErcExclusions.find( serialized );
if( it != settings.m_ErcExclusions.end() )
{
marker->SetExcluded( true, settings.m_ErcExclusionComments[serialized] );
settings.m_ErcExclusions.erase( it );
}
}
}
std::vector<SCH_MARKER*> newMarkers;
for( const wxString& serialized : settings.m_ErcExclusions )
{
SCH_MARKER* marker = SCH_MARKER::DeserializeFromString( this, serialized );
if( marker )
{
marker->SetExcluded( true, settings.m_ErcExclusionComments[serialized] );
newMarkers.push_back( marker );
}
}
settings.m_ErcExclusions.clear();
return newMarkers;
}
std::shared_ptr<BUS_ALIAS> SCHEMATIC::GetBusAlias( const wxString& aLabel ) const
{
for( const SCH_SHEET_PATH& sheet : GetSheets() )
{
for( const std::shared_ptr<BUS_ALIAS>& alias : sheet.LastScreen()->GetBusAliases() )
{
if( alias->GetName() == aLabel )
return alias;
}
}
return nullptr;
}
std::set<wxString> SCHEMATIC::GetNetClassAssignmentCandidates()
{
std::set<wxString> names;
for( const auto& [ key, subgraphList ] : m_connectionGraph->GetNetMap() )
{
CONNECTION_SUBGRAPH* firstSubgraph = subgraphList[0];
if( !firstSubgraph->GetDriverConnection()->IsBus()
&& firstSubgraph->GetDriverPriority() >= CONNECTION_SUBGRAPH::PRIORITY::PIN )
{
names.insert( key.Name );
}
}
return names;
}
bool SCHEMATIC::ResolveCrossReference( wxString* token, int aDepth ) const
{
SCH_SHEET_LIST sheetList = GetSheets();
wxString remainder;
wxString ref = token->BeforeFirst( ':', &remainder );
SCH_SHEET_PATH sheetPath;
SCH_ITEM* refItem = sheetList.GetItem( KIID( ref ), &sheetPath );
if( refItem && refItem->Type() == SCH_SYMBOL_T )
{
SCH_SYMBOL* refSymbol = static_cast<SCH_SYMBOL*>( refItem );
if( refSymbol->ResolveTextVar( &sheetPath, &remainder, aDepth + 1 ) )
*token = remainder;
else
*token = refSymbol->GetRef( &sheetPath, true ) + wxS( ":" ) + remainder;
return true; // Cross-reference is resolved whether or not the actual textvar was
}
else if( refItem && refItem->Type() == SCH_SHEET_T )
{
SCH_SHEET* refSheet = static_cast<SCH_SHEET*>( refItem );
sheetPath.push_back( refSheet );
if( refSheet->ResolveTextVar( &sheetPath, &remainder, aDepth + 1 ) )
*token = remainder;
return true; // Cross-reference is resolved whether or not the actual textvar was
}
return false;
}
std::map<int, wxString> SCHEMATIC::GetVirtualPageToSheetNamesMap() const
{
std::map<int, wxString> namesMap;
for( const SCH_SHEET_PATH& sheet : GetSheets() )
{
if( sheet.size() == 1 )
namesMap[sheet.GetVirtualPageNumber()] = _( "<root sheet>" );
else
namesMap[sheet.GetVirtualPageNumber()] = sheet.Last()->GetName();
}
return namesMap;
}
std::map<int, wxString> SCHEMATIC::GetVirtualPageToSheetPagesMap() const
{
std::map<int, wxString> pagesMap;
for( const SCH_SHEET_PATH& sheet : GetSheets() )
pagesMap[sheet.GetVirtualPageNumber()] = sheet.GetPageNumber();
return pagesMap;
}
wxString SCHEMATIC::ConvertRefsToKIIDs( const wxString& aSource ) const
{
wxString newbuf;
size_t sourceLen = aSource.length();
for( size_t i = 0; i < sourceLen; ++i )
{
if( aSource[i] == '$' && i + 1 < sourceLen && aSource[i+1] == '{' )
{
wxString token;
bool isCrossRef = false;
int nesting = 0;
for( i = i + 2; i < sourceLen; ++i )
{
if( aSource[i] == '{'
&& ( aSource[i-1] == '_' || aSource[i-1] == '^' || aSource[i-1] == '~' ) )
{
nesting++;
}
if( aSource[i] == '}' )
{
nesting--;
if( nesting < 0 )
break;
}
if( aSource[i] == ':' )
isCrossRef = true;
token.append( aSource[i] );
}
if( isCrossRef )
{
SCH_SHEET_LIST sheetList = GetSheets();
wxString remainder;
wxString ref = token.BeforeFirst( ':', &remainder );
SCH_REFERENCE_LIST references;
sheetList.GetSymbols( references );
for( size_t jj = 0; jj < references.GetCount(); jj++ )
{
SCH_SYMBOL* refSymbol = references[ jj ].GetSymbol();
if( ref == refSymbol->GetRef( &references[ jj ].GetSheetPath(), true ) )
{
token = refSymbol->m_Uuid.AsString() + wxS( ":" ) + remainder;
break;
}
}
}
newbuf.append( wxS( "${" ) + token + wxS( "}" ) );
}
else
{
newbuf.append( aSource[i] );
}
}
return newbuf;
}
wxString SCHEMATIC::ConvertKIIDsToRefs( const wxString& aSource ) const
{
wxString newbuf;
size_t sourceLen = aSource.length();
for( size_t i = 0; i < sourceLen; ++i )
{
if( aSource[i] == '$' && i + 1 < sourceLen && aSource[i+1] == '{' )
{
wxString token;
bool isCrossRef = false;
for( i = i + 2; i < sourceLen; ++i )
{
if( aSource[i] == '}' )
break;
if( aSource[i] == ':' )
isCrossRef = true;
token.append( aSource[i] );
}
if( isCrossRef )
{
SCH_SHEET_LIST sheetList = GetSheets();
wxString remainder;
wxString ref = token.BeforeFirst( ':', &remainder );
SCH_SHEET_PATH refSheetPath;
SCH_ITEM* refItem = sheetList.GetItem( KIID( ref ), &refSheetPath );
if( refItem && refItem->Type() == SCH_SYMBOL_T )
{
SCH_SYMBOL* refSymbol = static_cast<SCH_SYMBOL*>( refItem );
token = refSymbol->GetRef( &refSheetPath, true ) + wxS( ":" ) + remainder;
}
}
newbuf.append( wxS( "${" ) + token + wxS( "}" ) );
}
else
{
newbuf.append( aSource[i] );
}
}
return newbuf;
}
SCH_SHEET_LIST& SCHEMATIC::GetFullHierarchy() const
{
static SCH_SHEET_LIST hierarchy;
hierarchy.clear();
hierarchy.BuildSheetList( m_rootSheet, false );
return hierarchy;
}
void SCHEMATIC::SetLegacySymbolInstanceData()
{
SCH_SCREENS screens( m_rootSheet );
screens.SetLegacySymbolInstanceData();
}
wxString SCHEMATIC::GetUniqueFilenameForCurrentSheet()
{
// Filename is rootSheetName-sheetName-...-sheetName
// Note that we need to fetch the rootSheetName out of its filename, as the root SCH_SHEET's
// name is just a timestamp.
wxFileName rootFn( CurrentSheet().at( 0 )->GetFileName() );
wxString filename = rootFn.GetName();
for( unsigned i = 1; i < CurrentSheet().size(); i++ )
filename += wxT( "-" ) + CurrentSheet().at( i )->GetName();
return filename;
}
void SCHEMATIC::SetSheetNumberAndCount()
{
SCH_SCREEN* screen;
SCH_SCREENS s_list( Root() );
// Set the sheet count, and the sheet number (1 for root sheet)
int sheet_count = Root().CountSheets();
int sheet_number = 1;
const KIID_PATH& current_sheetpath = CurrentSheet().Path();
// @todo Remove all pseudo page number system is left over from prior to real page number
// implementation.
for( const SCH_SHEET_PATH& sheet : GetSheets() )
{
if( sheet.Path() == current_sheetpath ) // Current sheet path found
break;
sheet_number++; // Not found, increment before this current path
}
for( screen = s_list.GetFirst(); screen != nullptr; screen = s_list.GetNext() )
screen->SetPageCount( sheet_count );
CurrentSheet().SetVirtualPageNumber( sheet_number );
CurrentSheet().LastScreen()->SetVirtualPageNumber( sheet_number );
CurrentSheet().LastScreen()->SetPageNumber( CurrentSheet().GetPageNumber() );
}
void SCHEMATIC::RecomputeIntersheetRefs( const std::function<void( SCH_GLOBALLABEL* )>& aItemCallback )
{
std::map<wxString, std::set<int>>& pageRefsMap = GetPageRefsMap();
pageRefsMap.clear();
for( const SCH_SHEET_PATH& sheet : GetSheets() )
{
for( SCH_ITEM* item : sheet.LastScreen()->Items().OfType( SCH_GLOBAL_LABEL_T ) )
{
SCH_GLOBALLABEL* global = static_cast<SCH_GLOBALLABEL*>( item );
wxString resolvedLabel = global->GetShownText( &sheet, false );
pageRefsMap[ resolvedLabel ].insert( sheet.GetVirtualPageNumber() );
}
}
bool show = Settings().m_IntersheetRefsShow;
// Refresh all visible global labels. Note that we have to collect them first as the
// SCH_SCREEN::Update() call is going to invalidate the RTree iterator.
std::vector<SCH_GLOBALLABEL*> currentSheetGlobalLabels;
for( EDA_ITEM* item : CurrentSheet().LastScreen()->Items().OfType( SCH_GLOBAL_LABEL_T ) )
currentSheetGlobalLabels.push_back( static_cast<SCH_GLOBALLABEL*>( item ) );
for( SCH_GLOBALLABEL* globalLabel : currentSheetGlobalLabels )
{
std::vector<SCH_FIELD>& fields = globalLabel->GetFields();
fields[0].SetVisible( show );
if( show )
{
if( fields.size() == 1 && fields[0].GetTextPos() == globalLabel->GetPosition() )
globalLabel->AutoplaceFields( CurrentSheet().LastScreen(), false );
CurrentSheet().LastScreen()->Update( globalLabel );
aItemCallback( globalLabel );
}
}
}
wxString SCHEMATIC::GetOperatingPoint( const wxString& aNetName, int aPrecision,
const wxString& aRange )
{
std::string spiceNetName( aNetName.Lower().ToStdString() );
NETLIST_EXPORTER_SPICE::ConvertToSpiceMarkup( spiceNetName );
if( spiceNetName == "gnd" || spiceNetName == "0" )
return wxEmptyString;
auto it = m_operatingPoints.find( spiceNetName );
if( it != m_operatingPoints.end() )
return SPICE_VALUE( it->second ).ToString( { aPrecision, aRange } );
else if( m_operatingPoints.empty() )
return wxS( "--" );
else
return wxS( "?" );
}
void SCHEMATIC::FixupJunctions()
{
for( const SCH_SHEET_PATH& sheet : GetSheets() )
{
SCH_SCREEN* screen = sheet.LastScreen();
std::deque<EDA_ITEM*> allItems;
for( auto item : screen->Items() )
allItems.push_back( item );
// Add missing junctions and breakup wires as needed
for( const VECTOR2I& point : screen->GetNeededJunctions( allItems ) )
{
SCH_JUNCTION* junction = new SCH_JUNCTION( point );
screen->Append( junction );
// Breakup wires
for( SCH_LINE* wire : screen->GetBusesAndWires( point, true ) )
{
SCH_LINE* newSegment = wire->BreakAt( point );
screen->Append( newSegment );
}
}
}
}
void SCHEMATIC::OnItemsAdded( std::vector<SCH_ITEM*>& aNewItems )
{
InvokeListeners( &SCHEMATIC_LISTENER::OnSchItemsAdded, *this, aNewItems );
}
void SCHEMATIC::OnItemsRemoved( std::vector<SCH_ITEM*>& aRemovedItems )
{
InvokeListeners( &SCHEMATIC_LISTENER::OnSchItemsRemoved, *this, aRemovedItems );
}
void SCHEMATIC::OnItemsChanged( std::vector<SCH_ITEM*>& aItems )
{
InvokeListeners( &SCHEMATIC_LISTENER::OnSchItemsChanged, *this, aItems );
}
void SCHEMATIC::OnSchSheetChanged()
{
InvokeListeners( &SCHEMATIC_LISTENER::OnSchSheetChanged, *this );
}
void SCHEMATIC::AddListener( SCHEMATIC_LISTENER* aListener )
{
if( !alg::contains( m_listeners, aListener ) )
m_listeners.push_back( aListener );
}
void SCHEMATIC::RemoveListener( SCHEMATIC_LISTENER* aListener )
{
auto i = std::find( m_listeners.begin(), m_listeners.end(), aListener );
if( i != m_listeners.end() )
{
std::iter_swap( i, m_listeners.end() - 1 );
m_listeners.pop_back();
}
}
void SCHEMATIC::RemoveAllListeners()
{
m_listeners.clear();
}
void SCHEMATIC::RecordERCExclusions()
{
SCH_SHEET_LIST sheetList = GetSheets();
ERC_SETTINGS& ercSettings = ErcSettings();
ercSettings.m_ErcExclusions.clear();
ercSettings.m_ErcExclusionComments.clear();
for( unsigned i = 0; i < sheetList.size(); i++ )
{
for( SCH_ITEM* item : sheetList[i].LastScreen()->Items().OfType( SCH_MARKER_T ) )
{
SCH_MARKER* marker = static_cast<SCH_MARKER*>( item );
if( marker->IsExcluded() )
{
wxString serialized = marker->SerializeToString();
ercSettings.m_ErcExclusions.insert( serialized );
ercSettings.m_ErcExclusionComments[ serialized ] = marker->GetComment();
}
}
}
}
void SCHEMATIC::ResolveERCExclusionsPostUpdate()
{
SCH_SHEET_LIST sheetList = GetSheets();
for( SCH_MARKER* marker : ResolveERCExclusions() )
{
SCH_SHEET_PATH errorPath;
ignore_unused( sheetList.GetItem( marker->GetRCItem()->GetMainItemID(), &errorPath ) );
if( errorPath.LastScreen() )
errorPath.LastScreen()->Append( marker );
else
RootScreen()->Append( marker );
}
}
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