drc_test_provider_misc.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2004-2023 KiCad Developers.
 *
 * 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 2
 * 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:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include <board_design_settings.h>
#include <drc/drc_engine.h>
#include <drc/drc_item.h>
#include <drc/drc_rule.h>
#include <drc/drc_rule_condition.h>
#include <drc/drc_test_provider.h>
#include <pad.h>
#include <pcb_track.h>
 
#include <drawing_sheet/ds_draw_item.h>
#include <drawing_sheet/ds_proxy_view_item.h>
 
/*
 Miscellaneous tests:
 
 - DRCE_DISABLED_LAYER_ITEM, ///< item on a disabled layer
 - DRCE_INVALID_OUTLINE, ///< invalid board outline
 - DRCE_UNRESOLVED_VARIABLE,
 - DRCE_ASSERTION_FAILURE ///< user-defined assertions
*/
 
class DRC_TEST_PROVIDER_MISC : public DRC_TEST_PROVIDER
{
public:
 DRC_TEST_PROVIDER_MISC() :
 m_board( nullptr )
 {
 m_isRuleDriven = false;
 }
 
 virtual ~DRC_TEST_PROVIDER_MISC()
 {
 }
 
 virtual bool Run() override;
 
 virtual const wxString GetName() const override
 {
 return wxT( "miscellaneous" );
 };
 
 virtual const wxString GetDescription() const override
 {
 return wxT( "Misc checks (board outline, missing textvars)" );
 }
 
private:
 void testOutline();
 void testDisabledLayers();
 void testTextVars();
 void testAssertions();
 
 BOARD* m_board;
};
 
 
void DRC_TEST_PROVIDER_MISC::testOutline()
{
 SHAPE_POLY_SET dummyOutline;
 bool errorHandled = false;
 
 OUTLINE_ERROR_HANDLER errorHandler =
 [&]( const wxString& msg, BOARD_ITEM* itemA, BOARD_ITEM* itemB, const VECTOR2I& pt )
 {
 errorHandled = true;
 
 if( m_drcEngine->IsErrorLimitExceeded( DRCE_INVALID_OUTLINE ) )
 return;
 
 if( !itemA ) // If we only have a single item, make sure it's A
 std::swap( itemA, itemB );
 
 std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_INVALID_OUTLINE );
 
 drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + msg );
 drcItem->SetItems( itemA, itemB );
 
 reportViolation( drcItem, pt, Edge_Cuts );
 };
 
 // Test for very small graphic items (a few nm size) that can create issues
 // when trying to build the board outlines, and they are not easy to locate onn screen.
 const int minSizeForValideGraphics = pcbIUScale.mmToIU( 0.001 );
 
 if( !TestBoardOutlinesGraphicItems(m_board, minSizeForValideGraphics, &errorHandler ) )
 {
 if( errorHandled )
 {
 // if there are invalid items on Edge.Cuts, they are already reported
 }
 else
 {
 std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_INVALID_OUTLINE );
 wxString msg;
 
 msg.Printf( _( "(Suspicious items found on Edge.Cuts layer)" ) );
 
 drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + msg );
 drcItem->SetItems( m_board );
 
 reportViolation( drcItem, m_board->GetBoundingBox().Centre(), Edge_Cuts );
 }
 }
 
 
 // Use the standard chaining epsilon here so that we report errors that might affect
 // other tools (such as 3D viewer).
 int chainingEpsilon = m_board->GetOutlinesChainingEpsilon();
 
 if( !BuildBoardPolygonOutlines( m_board, dummyOutline, m_board->GetDesignSettings().m_MaxError,
 chainingEpsilon, &errorHandler ) )
 {
 if( errorHandled )
 {
 // if there is an invalid outline, then there must be an outline
 }
 else
 {
 std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_INVALID_OUTLINE );
 wxString msg;
 
 msg.Printf( _( "(no edges found on Edge.Cuts layer)" ) );
 
 drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + msg );
 drcItem->SetItems( m_board );
 
 reportViolation( drcItem, m_board->GetBoundingBox().Centre(), Edge_Cuts );
 }
 }
}
 
 
void DRC_TEST_PROVIDER_MISC::testDisabledLayers()
{
 const int progressDelta = 2000;
 int ii = 0;
 int items = 0;
 
 auto countItems =
 [&]( BOARD_ITEM* item ) -> bool
 {
 ++items;
 return true;
 };
 
 LSET disabledLayers = m_board->GetEnabledLayers().flip();
 
 // Perform the test only for copper layers
 disabledLayers &= LSET::AllCuMask();
 
 auto checkDisabledLayers =
 [&]( BOARD_ITEM* item ) -> bool
 {
 if( m_drcEngine->IsErrorLimitExceeded( DRCE_DISABLED_LAYER_ITEM ) )
 return false;
 
 if( !reportProgress( ii++, items, progressDelta ) )
 return false;
 
 PCB_LAYER_ID badLayer = UNDEFINED_LAYER;
 
 if( item->Type() == PCB_PAD_T )
 {
 PAD* pad = static_cast<PAD*>( item );
 
 if( pad->GetAttribute() == PAD_ATTRIB::SMD
 || pad->GetAttribute() == PAD_ATTRIB::CONN )
 {
 if( disabledLayers.test( pad->GetPrincipalLayer() ) )
 badLayer = item->GetLayer();
 }
 else
 {
 // Through hole pad pierces all physical layers.
 }
 }
 else if( item->Type() == PCB_VIA_T )
 {
 PCB_VIA* via = static_cast<PCB_VIA*>( item );
 PCB_LAYER_ID top;
 PCB_LAYER_ID bottom;
 
 via->LayerPair( &top, &bottom );
 
 if( disabledLayers.test( top ) )
 badLayer = top;
 else if( disabledLayers.test( bottom ) )
 badLayer = bottom;
 }
 else if( item->Type() == PCB_ZONE_T )
 {
 // Footprint zones just get a top/bottom/inner setting, so they're on
 // whatever inner layers there are.
 }
 else
 {
 LSET badLayers = disabledLayers & item->GetLayerSet();
 
 if( badLayers.any() )
 badLayer = badLayers.Seq().front();
 }
 
 if( badLayer != UNDEFINED_LAYER )
 {
 auto drcItem = DRC_ITEM::Create( DRCE_DISABLED_LAYER_ITEM );
 wxString msg;
 
 msg.Printf( _( "(layer %s)" ), LayerName( badLayer ) );
 
 drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " " ) + msg );
 drcItem->SetItems( item );
 
 reportViolation( drcItem, item->GetPosition(), UNDEFINED_LAYER );
 }
 
 return true;
 };
 
 forEachGeometryItem( s_allBasicItems, LSET::AllLayersMask(), countItems );
 forEachGeometryItem( s_allBasicItems, LSET::AllLayersMask(), checkDisabledLayers );
}
 
 
void DRC_TEST_PROVIDER_MISC::testAssertions()
{
 const int progressDelta = 2000;
 int ii = 0;
 int items = 0;
 
 auto countItems =
 [&]( BOARD_ITEM* item ) -> bool
 {
 ++items;
 return true;
 };
 
 auto checkAssertions =
 [&]( BOARD_ITEM* item ) -> bool
 {
 if( m_drcEngine->IsErrorLimitExceeded( DRCE_ASSERTION_FAILURE ) )
 return false;
 
 if( !reportProgress( ii++, items, progressDelta ) )
 return false;
 
 m_drcEngine->ProcessAssertions( item,
 [&]( const DRC_CONSTRAINT* c )
 {
 auto drcItem = DRC_ITEM::Create( DRCE_ASSERTION_FAILURE );
 drcItem->SetErrorMessage( drcItem->GetErrorText() + wxS( " (" )
 + c->GetName() + wxS( ")" ) );
 drcItem->SetItems( item );
 drcItem->SetViolatingRule( c->GetParentRule() );
 
 reportViolation( drcItem, item->GetPosition(), item->GetLayer() );
 } );
 
 return true;
 };
 
 forEachGeometryItem( {}, LSET::AllLayersMask(), countItems );
 forEachGeometryItem( {}, LSET::AllLayersMask(), checkAssertions );
}
 
 
void DRC_TEST_PROVIDER_MISC::testTextVars()
{
 const int progressDelta = 2000;
 int ii = 0;
 int items = 0;
 
 static const std::vector<KICAD_T> itemTypes = {
 PCB_FIELD_T,
 PCB_TEXT_T,
 PCB_TEXTBOX_T,
 PCB_DIMENSION_T
 };
 
 forEachGeometryItem( itemTypes, LSET::AllLayersMask(),
 [&]( BOARD_ITEM* item ) -> bool
 {
 ++items;
 return true;
 } );
 
 forEachGeometryItem( itemTypes, LSET::AllLayersMask(),
 [&]( BOARD_ITEM* item ) -> bool
 {
 if( m_drcEngine->IsErrorLimitExceeded( DRCE_UNRESOLVED_VARIABLE ) )
 return false;
 
 if( !reportProgress( ii++, items, progressDelta ) )
 return false;
 
 BOARD_ITEM* boardItem = dynamic_cast<BOARD_ITEM*>( item );
 EDA_TEXT* textItem = dynamic_cast<EDA_TEXT*>( boardItem );
 
 if( !textItem )
 return true;
 
 wxString resolved = ExpandEnvVarSubstitutions( textItem->GetShownText( true ),
 nullptr /*project already done*/ );
 
 if( resolved.Matches( wxT( "*${*}*" ) ) )
 {
 std::shared_ptr<DRC_ITEM>drcItem = DRC_ITEM::Create( DRCE_UNRESOLVED_VARIABLE );
 drcItem->SetItems( item );
 
 reportViolation( drcItem, boardItem->GetPosition(), boardItem->GetLayer() );
 }
 
 return true;
 } );
 
 DS_PROXY_VIEW_ITEM* drawingSheet = m_drcEngine->GetDrawingSheet();
 DS_DRAW_ITEM_LIST drawItems( pcbIUScale );
 
 if( !drawingSheet || m_drcEngine->IsErrorLimitExceeded( DRCE_UNRESOLVED_VARIABLE ) )
 return;
 
 drawItems.SetPageNumber( wxT( "1" ) );
 drawItems.SetSheetCount( 1 );
 drawItems.SetFileName( wxT( "dummyFilename" ) );
 drawItems.SetSheetName( wxT( "dummySheet" ) );
 drawItems.SetSheetLayer( wxT( "dummyLayer" ) );
 drawItems.SetProject( m_board->GetProject() );
 drawItems.BuildDrawItemsList( drawingSheet->GetPageInfo(), drawingSheet->GetTitleBlock() );
 
 for( DS_DRAW_ITEM_BASE* item = drawItems.GetFirst(); item; item = drawItems.GetNext() )
 {
 if( m_drcEngine->IsErrorLimitExceeded( DRCE_UNRESOLVED_VARIABLE ) )
 break;
 
 if( m_drcEngine->IsCancelled() )
 return;
 
 DS_DRAW_ITEM_TEXT* text = dynamic_cast<DS_DRAW_ITEM_TEXT*>( item );
 
 if( text && text->GetShownText( true ).Matches( wxT( "*${*}*" ) ) )
 {
 std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_UNRESOLVED_VARIABLE );
 drcItem->SetItems( drawingSheet );
 
 reportViolation( drcItem, text->GetPosition(), LAYER_DRAWINGSHEET );
 }
 }
}
 
 
bool DRC_TEST_PROVIDER_MISC::Run()
{
 m_board = m_drcEngine->GetBoard();
 
 if( !m_drcEngine->IsErrorLimitExceeded( DRCE_INVALID_OUTLINE ) )
 {
 if( !reportPhase( _( "Checking board outline..." ) ) )
 return false; // DRC cancelled
 
 testOutline();
 }
 
 if( !m_drcEngine->IsErrorLimitExceeded( DRCE_DISABLED_LAYER_ITEM ) )
 {
 if( !reportPhase( _( "Checking disabled layers..." ) ) )
 return false; // DRC cancelled
 
 testDisabledLayers();
 }
 
 if( !m_drcEngine->IsErrorLimitExceeded( DRCE_UNRESOLVED_VARIABLE ) )
 {
 if( !reportPhase( _( "Checking text variables..." ) ) )
 return false; // DRC cancelled
 
 testTextVars();
 }
 
 if( !m_drcEngine->IsErrorLimitExceeded( DRCE_ASSERTION_FAILURE ) )
 {
 if( !reportPhase( _( "Checking assertions..." ) ) )
 return false; // DRC cancelled
 
 testAssertions();
 }
 
 return !m_drcEngine->IsCancelled();
}
 
 
namespace detail
{
static DRC_REGISTER_TEST_PROVIDER<DRC_TEST_PROVIDER_MISC> dummy;
}