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Do not de-reference null library pin object pointers in SCH_PIN object.

This commit is contained in:
Wayne Stambaugh 2024-02-09 11:07:04 -05:00
parent 3d690da305
commit 1ac5666164
2 changed files with 50 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
eeschema/sch_pin.cpp
View File

@ -82,18 +82,26 @@ SCH_PIN& SCH_PIN::operator=( const SCH_PIN& aPin )
}
bool SCH_PIN::IsVisible() const
{
wxCHECK( m_libPin, false );
return m_libPin->IsVisible();
}
wxString SCH_PIN::GetName() const
{
if( !m_alt.IsEmpty() )
return m_alt;
return m_libPin->GetName();
return m_libPin ? m_libPin->GetName() : wxS( "??" );
}
wxString SCH_PIN::GetShownName() const
{
wxString name = m_libPin->GetName();
wxString name = m_libPin ? m_libPin->GetName() : wxS( "??" );
if( !m_alt.IsEmpty() )
name = m_alt;
@ -116,6 +124,8 @@ wxString SCH_PIN::GetShownNumber() const
ELECTRICAL_PINTYPE SCH_PIN::GetType() const
{
wxCHECK( m_libPin, ELECTRICAL_PINTYPE::PT_NC );
if( !m_alt.IsEmpty() )
return m_libPin->GetAlt( m_alt ).m_Type;
@ -125,6 +135,8 @@ ELECTRICAL_PINTYPE SCH_PIN::GetType() const
GRAPHIC_PINSHAPE SCH_PIN::GetShape() const
{
wxCHECK( m_libPin, GRAPHIC_PINSHAPE::LINE );
if( !m_alt.IsEmpty() )
return m_libPin->GetAlt( m_alt ).m_Shape;
@ -134,12 +146,16 @@ GRAPHIC_PINSHAPE SCH_PIN::GetShape() const
PIN_ORIENTATION SCH_PIN::GetOrientation() const
{
wxCHECK( m_libPin, PIN_ORIENTATION::PIN_RIGHT );
return m_libPin->GetOrientation();
}
int SCH_PIN::GetLength() const
{
wxCHECK( m_libPin, 0 );
return m_libPin->GetLength();
}
@ -197,15 +213,17 @@ wxString SCH_PIN::GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const
LIB_PIN::ALT localStorage;
LIB_PIN::ALT* alt = nullptr;
if( !m_alt.IsEmpty() )
if( !m_alt.IsEmpty() && m_libPin )
{
localStorage = m_libPin->GetAlt( m_alt );
alt = &localStorage;
}
wxString itemDesc = m_libPin ? m_libPin->GetItemDescription( aUnitsProvider, alt ) :
wxS ( "Undefined library pin." );
return wxString::Format( "Symbol %s %s",
UnescapeString( GetParentSymbol()->GetField( REFERENCE_FIELD )->GetText() ),
m_libPin->GetItemDescription( aUnitsProvider, alt ) );
itemDesc );
}
@ -220,14 +238,16 @@ void SCH_PIN::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITE
{
if( libSymbol->GetUnitCount() )
{
aList.emplace_back( _( "Unit" ),
LIB_ITEM::GetUnitDescription( m_libPin->GetUnit() ) );
msg = m_libPin ? LIB_ITEM::GetUnitDescription( m_libPin->GetUnit() ) :
wxS( "Undefined library pin." );
aList.emplace_back( _( "Unit" ), msg );
}
if( libSymbol->HasAlternateBodyStyle() )
{
aList.emplace_back( _( "Body Style" ),
LIB_ITEM::GetBodyStyleDescription( m_libPin->GetBodyStyle() ) );
msg = m_libPin ? LIB_ITEM::GetBodyStyleDescription( m_libPin->GetBodyStyle() ) :
wxS( "Undefined library pin." );
aList.emplace_back( _( "Body Style" ), msg );
}
}
@ -303,7 +323,9 @@ wxString SCH_PIN::GetDefaultNetName( const SCH_SHEET_PATH& aPath, bool aForceNoC
}
else
{
return EscapeString( m_libPin->GetName(), CTX_NETNAME );
wxString tmp = m_libPin ? m_libPin->GetName() : wxS( "??" );
return EscapeString( tmp, CTX_NETNAME );
}
}
@ -342,23 +364,27 @@ wxString SCH_PIN::GetDefaultNetName( const SCH_SHEET_PATH& aPath, bool aForceNoC
}
}
wxString libPinShownName = m_libPin ? m_libPin->GetShownName() : wxS( "??" );
wxString libPinShownNumber = m_libPin ? m_libPin->GetShownNumber() : wxS( "??" );
// Use timestamp for unannotated symbols
if( GetParentSymbol()->GetRef( &aPath, false ).Last() == '?' )
{
name << GetParentSymbol()->m_Uuid.AsString();
name << "-Pad" << m_libPin->GetNumber() << ")";
wxString libPinNumber = m_libPin ? m_libPin->GetNumber() : wxS( "??" );
name << "-Pad" << libPinNumber << ")";
annotated = false;
}
else if( !m_libPin->GetShownName().IsEmpty()
&& m_libPin->GetShownName() != m_libPin->GetShownNumber() )
else if( !libPinShownName.IsEmpty() && ( libPinShownName != libPinShownNumber ) )
{
// Pin names might not be unique between different units so we must have the
// unit token in the reference designator
name << GetParentSymbol()->GetRef( &aPath, true );
name << "-" << EscapeString( m_libPin->GetShownName(), CTX_NETNAME );
name << "-" << EscapeString( libPinShownName, CTX_NETNAME );
if( unconnected || has_multiple )
name << "-Pad" << EscapeString( m_libPin->GetShownNumber(), CTX_NETNAME );
name << "-Pad" << EscapeString( libPinShownNumber, CTX_NETNAME );
name << ")";
}
@ -366,7 +392,7 @@ wxString SCH_PIN::GetDefaultNetName( const SCH_SHEET_PATH& aPath, bool aForceNoC
{
// Pin numbers are unique, so we skip the unit token
name << GetParentSymbol()->GetRef( &aPath, false );
name << "-Pad" << EscapeString( m_libPin->GetShownNumber(), CTX_NETNAME ) << ")";
name << "-Pad" << EscapeString( libPinShownNumber, CTX_NETNAME ) << ")";
}
if( annotated )
@ -387,7 +413,10 @@ const BOX2I SCH_PIN::GetBoundingBox( bool aIncludeInvisiblePins, bool aIncludeNa
bool aIncludeElectricalType ) const
{
TRANSFORM t = GetParentSymbol()->GetTransform();
BOX2I r = m_libPin->GetBoundingBox( aIncludeInvisiblePins, aIncludeNameAndNumber,
BOX2I r;
if( m_libPin )
m_libPin->GetBoundingBox( aIncludeInvisiblePins, aIncludeNameAndNumber,
aIncludeElectricalType );
r.RevertYAxis();
@ -433,6 +462,8 @@ EDA_ITEM* SCH_PIN::Clone() const
bool SCH_PIN::ConnectionPropagatesTo( const EDA_ITEM* aItem ) const
{
wxCHECK( m_libPin, false );
// Reciprocal checking is done in CONNECTION_GRAPH anyway
return !( m_libPin->GetType() == ELECTRICAL_PINTYPE::PT_NC );
}
@ -471,7 +502,7 @@ double SCH_PIN::Similarity( const SCH_ITEM& aOther ) const
if( m_position != other.m_position )
return 0.0;
return m_libPin->Similarity( *other.m_libPin );
return m_libPin ? m_libPin->Similarity( *other.m_libPin ) : 0.0;
}

2
eeschema/sch_pin.h
View File

@ -134,7 +134,7 @@ public:
* While many of these are currently simply covers for the equivalent LIB_PIN methods,
* the new Eeschema file format will soon allow us to override them at the schematic level.
*/
bool IsVisible() const { return m_libPin->IsVisible(); }
bool IsVisible() const;
wxString GetName() const;
wxString GetShownName() const;