kicad/pcbnew/drc/drc_test_provider_connectiv...

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004-2020 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.h>
#include <common.h>
#include <connectivity/connectivity_data.h>
#include <connectivity/connectivity_algo.h>
#include <drc/drc_item.h>
#include <drc/drc_rule.h>
#include <drc/drc_test_provider.h>
/*
Connectivity test provider. Not rule-driven.
Errors generated:
- DRCE_DANGLING_TRACK
- DRCE_DANGLING_VIA
- DRCE_ZONE_HAS_EMPTY_NET
*/
class DRC_TEST_PROVIDER_CONNECTIVITY : public DRC_TEST_PROVIDER
{
public:
DRC_TEST_PROVIDER_CONNECTIVITY()
{
}
virtual ~DRC_TEST_PROVIDER_CONNECTIVITY()
{
}
virtual bool Run() override;
virtual const wxString GetName() const override
{
return "connectivity";
};
virtual const wxString GetDescription() const override
{
return "Tests board connectivity";
}
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virtual std::set<DRC_CONSTRAINT_T> GetConstraintTypes() const override;
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int GetNumPhases() const override;
};
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bool DRC_TEST_PROVIDER_CONNECTIVITY::Run()
{
if( !reportPhase( _( "Checking pad, via and zone connections..." ) ) )
return false; // DRC cancelled
BOARD* board = m_drcEngine->GetBoard();
std::shared_ptr<CONNECTIVITY_DATA> connectivity = board->GetConnectivity();
// Rebuild just in case. This really needs to be reliable.
connectivity->Clear();
connectivity->Build( board, m_drcEngine->GetProgressReporter() );
int delta = 100; // This is the number of tests between 2 calls to the progress bar
int ii = 0;
int count = board->Tracks().size() + board->Zones().size();
ii += count; // We gave half of this phase to CONNECTIVITY_DATA::Build()
count += count;
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for( TRACK* track : board->Tracks() )
{
bool exceedT = m_drcEngine->IsErrorLimitExceeded( DRCE_DANGLING_TRACK );
bool exceedV = m_drcEngine->IsErrorLimitExceeded( DRCE_DANGLING_VIA );
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if( exceedV && exceedT )
break;
else if( track->Type() == PCB_VIA_T && exceedV )
continue;
else if( track->Type() == PCB_TRACE_T && exceedT )
continue;
if( !reportProgress( ii++, count, delta ) )
break;
// Test for dangling items
int code = track->Type() == PCB_VIA_T ? DRCE_DANGLING_VIA : DRCE_DANGLING_TRACK;
wxPoint pos;
if( connectivity->TestTrackEndpointDangling( track, &pos ) )
{
std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( code );
drcItem->SetItems( track );
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reportViolation( drcItem, pos );
}
}
/* test starved zones */
for( ZONE* zone : board->Zones() )
{
if( m_drcEngine->IsErrorLimitExceeded( DRCE_ZONE_HAS_EMPTY_NET ) )
break;
if( !zone->IsOnCopperLayer() )
continue;
if( !reportProgress( ii++, count, delta ) )
return false; // DRC cancelled
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int netcode = zone->GetNetCode();
// a netcode < 0 or > 0 and no pad in net is a error or strange
// perhaps a "dead" net, which happens when all pads in this net were removed
// Remark: a netcode < 0 should not happen (this is more a bug somewhere)
int pads_in_net = ( netcode > 0 ) ? connectivity->GetPadCount( netcode ) : 1;
if( ( netcode < 0 ) || pads_in_net == 0 )
{
std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_ZONE_HAS_EMPTY_NET );
drcItem->SetItems( zone );
reportViolation( drcItem, zone->GetPosition() );
}
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}
if( m_drcEngine->IsErrorLimitExceeded( DRCE_UNCONNECTED_ITEMS ) )
return true; // continue with other tests
if( !reportPhase( _( "Checking net connections..." ) ) )
return false; // DRC cancelled
connectivity->RecalculateRatsnest();
std::vector<CN_EDGE> edges;
connectivity->GetUnconnectedEdges( edges );
delta = 250;
ii = 0;
count = edges.size();
for( const CN_EDGE& edge : edges )
{
if( m_drcEngine->IsErrorLimitExceeded( DRCE_UNCONNECTED_ITEMS ) )
break;
if( !reportProgress( ii++, count, delta ) )
return false; // DRC cancelled
std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_UNCONNECTED_ITEMS );
drcItem->SetItems( edge.GetSourceNode()->Parent(), edge.GetTargetNode()->Parent() );
reportViolation( drcItem, (wxPoint) edge.GetSourceNode()->Pos() );
}
reportRuleStatistics();
return true;
}
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int DRC_TEST_PROVIDER_CONNECTIVITY::GetNumPhases() const
{
return 3;
}
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std::set<DRC_CONSTRAINT_T> DRC_TEST_PROVIDER_CONNECTIVITY::GetConstraintTypes() const
{
return {};
}
namespace detail
{
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static DRC_REGISTER_TEST_PROVIDER<DRC_TEST_PROVIDER_CONNECTIVITY> dummy;
}