drc_test_provider_disallow.cpp

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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.,
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 */

#include <common.h>
#include <drc/drc_engine.h>
#include <drc/drc_item.h>
#include <drc/drc_rule.h>
#include <drc/drc_test_provider.h>
#include <pad.h>
#include <zone.h>

/*
 "Disallow" test. Goes through all items, matching types/conditions drop errors.
 Errors generated:
 - DRCE_ALLOWED_ITEMS
 - DRCE_TEXT_ON_EDGECUTS
*/

class DRC_TEST_PROVIDER_DISALLOW : public DRC_TEST_PROVIDER
{
public:
 DRC_TEST_PROVIDER_DISALLOW()
 {
 }

 virtual ~DRC_TEST_PROVIDER_DISALLOW()
 {
 }

 virtual bool Run() override;

 virtual const wxString GetName() const override
 {
 return "disallow";
 };

 virtual const wxString GetDescription() const override
 {
 return "Tests for disallowed items (e.g. keepouts)";
 }

 virtual std::set<DRC_CONSTRAINT_T> GetConstraintTypes() const override;

 int GetNumPhases() const override;
};


bool DRC_TEST_PROVIDER_DISALLOW::Run()
{
 if( !reportPhase( _( "Checking keepouts & disallow constraints..." ) ) )
 return false; // DRC cancelled

 // Zones can be expensive (particularly when multi-layer), so we run the progress bar on them
 BOARD* board = m_drcEngine->GetBoard();
 int boardZoneCount = board->Zones().size();
 int delta = std::max( 1, boardZoneCount / board->GetCopperLayerCount() );
 int ii = 0;

 auto doCheckItem =
 [&]( BOARD_ITEM* item )
 {
 auto constraint = m_drcEngine->EvalRules( DISALLOW_CONSTRAINT, item, nullptr,
 UNDEFINED_LAYER );

 if( constraint.m_DisallowFlags )
 {
 std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_ALLOWED_ITEMS );

 m_msg.Printf( drcItem->GetErrorText() + wxS( " (%s)" ),
 constraint.GetName() );

 drcItem->SetErrorMessage( m_msg );
 drcItem->SetItems( item );
 drcItem->SetViolatingRule( constraint.GetParentRule() );

 reportViolation( drcItem, item->GetPosition() );
 }
 };

 auto checkItem =
 [&]( BOARD_ITEM* item ) -> bool
 {
 if( !m_drcEngine->IsErrorLimitExceeded( DRCE_TEXT_ON_EDGECUTS )
 && item->GetLayer() == Edge_Cuts )
 {
 switch( item->Type() )
 {
 case PCB_TEXT_T:
 case PCB_DIM_ALIGNED_T:
 case PCB_DIM_CENTER_T:
 case PCB_DIM_ORTHOGONAL_T:
 case PCB_DIM_LEADER_T:
 {
 std::shared_ptr<DRC_ITEM> drc = DRC_ITEM::Create( DRCE_TEXT_ON_EDGECUTS );
 drc->SetItems( item );
 reportViolation( drc, item->GetPosition() );
 }
 break;

 default:
 break;
 }
 }

 if( m_drcEngine->IsErrorLimitExceeded( DRCE_ALLOWED_ITEMS ) )
 return false;

 if( item->Type() == PCB_ZONE_T || item->Type() == PCB_FP_ZONE_T )
 {
 ZONE* zone = static_cast<ZONE*>( item );

 if( zone->GetIsRuleArea() )
 return true;

 if( item->Type() == PCB_ZONE_T )
 {
 if( !reportProgress( ii++, boardZoneCount, delta ) )
 return false; // DRC cancelled
 }
 }

 item->ClearFlags( HOLE_PROXY );
 doCheckItem( item );

 bool hasHole;

 switch( item->Type() )
 {
 case PCB_VIA_T: hasHole = true; break;
 case PCB_PAD_T: hasHole = static_cast<PAD*>( item )->GetDrillSizeX() > 0; break;
 default: hasHole = false; break;
 }

 if( hasHole )
 {
 item->SetFlags( HOLE_PROXY );
 doCheckItem( item );
 item->ClearFlags( HOLE_PROXY );
 }

 return true;
 };

 forEachGeometryItem( {}, LSET::AllLayersMask(), checkItem );

 reportRuleStatistics();

 return true;
}


int DRC_TEST_PROVIDER_DISALLOW::GetNumPhases() const
{
 return 1;
}


std::set<DRC_CONSTRAINT_T> DRC_TEST_PROVIDER_DISALLOW::GetConstraintTypes() const
{
 return { DISALLOW_CONSTRAINT };
}


namespace detail
{
static DRC_REGISTER_TEST_PROVIDER<DRC_TEST_PROVIDER_DISALLOW> dummy;
}