kicad/pcbnew/drc/drc_engine.cpp

1215 lines
42 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004-2019 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2014 Dick Hollenbeck, dick@softplc.com
* Copyright (C) 2017-2020 KiCad Developers, see change_log.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 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 <reporter.h>
#include <widgets/progress_reporter.h>
#include <kicad_string.h>
#include <drc/drc_engine.h>
#include <drc/drc_rule_parser.h>
#include <drc/drc_rule.h>
#include <drc/drc_rule_condition.h>
#include <drc/drc_test_provider.h>
#include <track.h>
void drcPrintDebugMessage( int level, const wxString& msg, const char *function, int line )
{
wxString valueStr;
if( wxGetEnv( "DRC_DEBUG", &valueStr ) )
{
int setLevel = wxAtoi( valueStr );
if( level <= setLevel )
{
printf("%-30s:%d | %s\n", function, line, (const char *) msg.c_str() );
}
}
}
DRC_ENGINE::DRC_ENGINE( BOARD* aBoard, BOARD_DESIGN_SETTINGS *aSettings ) :
m_designSettings ( aSettings ),
m_board( aBoard ),
m_worksheet( nullptr ),
m_schematicNetlist( nullptr ),
m_rulesValid( false ),
m_userUnits( EDA_UNITS::MILLIMETRES ),
m_reportAllTrackErrors( false ),
m_testFootprints( false ),
m_reporter( nullptr ),
m_progressReporter( nullptr )
{
m_errorLimits.resize( DRCE_LAST + 1 );
for( int ii = DRCE_FIRST; ii <= DRCE_LAST; ++ii )
m_errorLimits[ ii ] = INT_MAX;
}
DRC_ENGINE::~DRC_ENGINE()
{
for( DRC_RULE* rule : m_rules )
delete rule;
for( std::pair<DRC_CONSTRAINT_T, std::vector<DRC_ENGINE_CONSTRAINT*>*> pair : m_constraintMap )
{
for( DRC_ENGINE_CONSTRAINT* constraint : *pair.second )
delete constraint;
delete pair.second;
}
}
static bool isKeepoutZone( const BOARD_ITEM* aItem, bool aCheckFlags )
{
if( !aItem )
return false;
if( aItem->Type() != PCB_ZONE_T && aItem->Type() != PCB_FP_ZONE_T )
return false;
const ZONE* zone = static_cast<const ZONE*>( aItem );
if( !zone->GetIsRuleArea() )
return false;
if( aCheckFlags )
{
if( !zone->GetDoNotAllowTracks()
&& !zone->GetDoNotAllowVias()
&& !zone->GetDoNotAllowPads()
&& !zone->GetDoNotAllowCopperPour()
&& !zone->GetDoNotAllowFootprints() )
{
return false;
}
}
return true;
}
DRC_RULE* DRC_ENGINE::createImplicitRule( const wxString& name )
{
DRC_RULE *rule = new DRC_RULE;
rule->m_Name = name;
rule->m_Implicit = true;
addRule( rule );
return rule;
}
void DRC_ENGINE::loadImplicitRules()
{
ReportAux( wxString::Format( "Building implicit rules (per-item/class overrides, etc...)" ) );
BOARD_DESIGN_SETTINGS& bds = m_board->GetDesignSettings();
// 1) global defaults
DRC_RULE* rule = createImplicitRule( _( "board setup constraints" ) );
DRC_CONSTRAINT clearanceConstraint( CLEARANCE_CONSTRAINT );
clearanceConstraint.Value().SetMin( bds.m_MinClearance );
rule->AddConstraint( clearanceConstraint );
DRC_CONSTRAINT widthConstraint( TRACK_WIDTH_CONSTRAINT );
widthConstraint.Value().SetMin( bds.m_TrackMinWidth );
rule->AddConstraint( widthConstraint );
DRC_CONSTRAINT drillConstraint( HOLE_SIZE_CONSTRAINT );
drillConstraint.Value().SetMin( bds.m_MinThroughDrill );
rule->AddConstraint( drillConstraint );
DRC_CONSTRAINT annulusConstraint( ANNULAR_WIDTH_CONSTRAINT );
annulusConstraint.Value().SetMin( bds.m_ViasMinAnnulus );
rule->AddConstraint( annulusConstraint );
DRC_CONSTRAINT diameterConstraint( VIA_DIAMETER_CONSTRAINT );
diameterConstraint.Value().SetMin( bds.m_ViasMinSize );
rule->AddConstraint( diameterConstraint );
DRC_CONSTRAINT edgeClearanceConstraint( EDGE_CLEARANCE_CONSTRAINT );
edgeClearanceConstraint.Value().SetMin( bds.m_CopperEdgeClearance );
rule->AddConstraint( edgeClearanceConstraint );
DRC_CONSTRAINT holeClearanceConstraint( HOLE_CLEARANCE_CONSTRAINT );
holeClearanceConstraint.Value().SetMin( bds.m_HoleClearance );
rule->AddConstraint( holeClearanceConstraint );
DRC_CONSTRAINT holeToHoleConstraint( HOLE_TO_HOLE_CONSTRAINT );
holeToHoleConstraint.Value().SetMin( bds.m_HoleToHoleMin );
rule->AddConstraint( holeToHoleConstraint );
DRC_CONSTRAINT courtyardClearanceConstraint( COURTYARD_CLEARANCE_CONSTRAINT );
holeToHoleConstraint.Value().SetMin( 0 );
rule->AddConstraint( courtyardClearanceConstraint );
DRC_CONSTRAINT diffPairGapConstraint( DIFF_PAIR_GAP_CONSTRAINT );
diffPairGapConstraint.Value().SetMin( bds.GetDefault()->GetClearance() );
rule->AddConstraint( diffPairGapConstraint );
rule = createImplicitRule( _( "board setup constraints" ) );
rule->m_LayerCondition = LSET( 2, F_SilkS, B_SilkS );
DRC_CONSTRAINT silkClearanceConstraint( SILK_CLEARANCE_CONSTRAINT );
silkClearanceConstraint.Value().SetMin( bds.m_SilkClearance );
rule->AddConstraint( silkClearanceConstraint );
// 2) micro-via specific defaults (new DRC doesn't treat microvias in any special way)
DRC_RULE* uViaRule = createImplicitRule( _( "board setup micro-via constraints" ) );
uViaRule->m_Condition = new DRC_RULE_CONDITION( "A.Via_Type == 'Micro'" );
DRC_CONSTRAINT uViaDrillConstraint( HOLE_SIZE_CONSTRAINT );
uViaDrillConstraint.Value().SetMin( bds.m_MicroViasMinDrill );
uViaRule->AddConstraint( uViaDrillConstraint );
DRC_CONSTRAINT uViaDiameterConstraint( VIA_DIAMETER_CONSTRAINT );
uViaDiameterConstraint.Value().SetMin( bds.m_MicroViasMinSize );
uViaRule->AddConstraint( uViaDiameterConstraint );
if( !bds.m_MicroViasAllowed )
{
DRC_CONSTRAINT disallowConstraint( DISALLOW_CONSTRAINT );
disallowConstraint.m_DisallowFlags = DRC_DISALLOW_MICRO_VIAS;
uViaRule->AddConstraint( disallowConstraint );
}
if( !bds.m_BlindBuriedViaAllowed )
{
DRC_RULE* bbViaRule = createImplicitRule( _( "board setup constraints" ) );
bbViaRule->m_Condition = new DRC_RULE_CONDITION( "A.Via_Type == 'Blind/buried'" );
DRC_CONSTRAINT disallowConstraint( DISALLOW_CONSTRAINT );
disallowConstraint.m_DisallowFlags = DRC_DISALLOW_BB_VIAS;
bbViaRule->AddConstraint( disallowConstraint );
}
// 3) per-netclass rules
std::vector<DRC_RULE*> netclassClearanceRules;
std::vector<DRC_RULE*> netclassItemSpecificRules;
auto makeNetclassRules =
[&]( const NETCLASSPTR& nc, bool isDefault )
{
wxString ncName = nc->GetName();
DRC_RULE* netclassRule;
wxString expr;
if( nc->GetClearance() || nc->GetTrackWidth() )
{
netclassRule = new DRC_RULE;
netclassRule->m_Name = wxString::Format( _( "netclass '%s'" ), ncName );
netclassRule->m_Implicit = true;
expr = wxString::Format( "A.NetClass == '%s'",
ncName );
netclassRule->m_Condition = new DRC_RULE_CONDITION( expr );
netclassClearanceRules.push_back( netclassRule );
if( nc->GetClearance() )
{
DRC_CONSTRAINT constraint( CLEARANCE_CONSTRAINT );
constraint.Value().SetMin( std::max( bds.m_MinClearance, nc->GetClearance() ) );
netclassRule->AddConstraint( constraint );
}
if( nc->GetTrackWidth() )
{
DRC_CONSTRAINT constraint( TRACK_WIDTH_CONSTRAINT );
constraint.Value().SetMin( bds.m_TrackMinWidth );
constraint.Value().SetOpt( nc->GetTrackWidth() );
netclassRule->AddConstraint( constraint );
}
}
if( nc->GetDiffPairWidth() || nc->GetDiffPairGap() )
{
netclassRule = new DRC_RULE;
netclassRule->m_Name = wxString::Format( _( "netclass '%s'" ), ncName );
netclassRule->m_Implicit = true;
expr = wxString::Format( "A.NetClass == '%s' && A.isDiffPair()",
ncName );
netclassRule->m_Condition = new DRC_RULE_CONDITION( expr );
netclassItemSpecificRules.push_back( netclassRule );
if( nc->GetDiffPairWidth() )
{
DRC_CONSTRAINT constraint( TRACK_WIDTH_CONSTRAINT );
constraint.Value().SetMin( bds.m_TrackMinWidth );
constraint.Value().SetOpt( nc->GetDiffPairWidth() );
netclassRule->AddConstraint( constraint );
}
if( nc->GetDiffPairGap() )
{
DRC_CONSTRAINT constraint( DIFF_PAIR_GAP_CONSTRAINT );
constraint.Value().SetMin( std::max( bds.m_MinClearance, nc->GetClearance() ) );
constraint.Value().SetOpt( nc->GetDiffPairGap() );
netclassRule->AddConstraint( constraint );
}
}
if( nc->GetViaDiameter() || nc->GetViaDrill() )
{
netclassRule = new DRC_RULE;
netclassRule->m_Name = wxString::Format( _( "netclass '%s'" ), ncName );
netclassRule->m_Implicit = true;
expr = wxString::Format( "A.NetClass == '%s' && A.Via_Type != 'Micro'",
ncName );
netclassRule->m_Condition = new DRC_RULE_CONDITION( expr );
netclassItemSpecificRules.push_back( netclassRule );
if( nc->GetViaDiameter() )
{
DRC_CONSTRAINT constraint( VIA_DIAMETER_CONSTRAINT );
constraint.Value().SetMin( bds.m_ViasMinSize );
constraint.Value().SetOpt( nc->GetViaDiameter() );
netclassRule->AddConstraint( constraint );
}
if( nc->GetViaDrill() )
{
DRC_CONSTRAINT constraint( HOLE_SIZE_CONSTRAINT );
constraint.Value().SetMin( bds.m_MinThroughDrill );
constraint.Value().SetOpt( nc->GetViaDrill() );
netclassRule->AddConstraint( constraint );
}
}
if( nc->GetuViaDiameter() || nc->GetuViaDrill() )
{
netclassRule = new DRC_RULE;
netclassRule->m_Name = wxString::Format( _( "netclass '%s'" ), ncName );
netclassRule->m_Implicit = true;
expr = wxString::Format( "A.NetClass == '%s' && A.Via_Type == 'Micro'",
ncName );
netclassRule->m_Condition = new DRC_RULE_CONDITION( expr );
netclassItemSpecificRules.push_back( netclassRule );
if( nc->GetuViaDiameter() )
{
DRC_CONSTRAINT constraint( VIA_DIAMETER_CONSTRAINT );
constraint.Value().SetMin( bds.m_MicroViasMinSize );
constraint.Value().SetMin( nc->GetuViaDiameter() );
netclassRule->AddConstraint( constraint );
}
if( nc->GetuViaDrill() )
{
DRC_CONSTRAINT constraint( HOLE_SIZE_CONSTRAINT );
constraint.Value().SetMin( bds.m_MicroViasMinDrill );
constraint.Value().SetOpt( nc->GetuViaDrill() );
netclassRule->AddConstraint( constraint );
}
}
};
m_board->SynchronizeNetsAndNetClasses();
makeNetclassRules( bds.GetNetClasses().GetDefault(), true );
for( const std::pair<const wxString, NETCLASSPTR>& netclass : bds.GetNetClasses() )
makeNetclassRules( netclass.second, false );
// The netclass clearance rules have to be sorted by min clearance so the right one fires
// if 'A' and 'B' belong to two different netclasses.
//
// The item-specific netclass rules are all unary, so there's no 'A' vs 'B' issue.
std::sort( netclassClearanceRules.begin(), netclassClearanceRules.end(),
[]( DRC_RULE* lhs, DRC_RULE* rhs )
{
return lhs->m_Constraints[0].m_Value.Min()
< rhs->m_Constraints[0].m_Value.Min();
} );
for( DRC_RULE* ncRule : netclassClearanceRules )
addRule( ncRule );
for( DRC_RULE* ncRule : netclassItemSpecificRules )
addRule( ncRule );
// 3) keepout area rules
std::vector<ZONE*> keepoutZones;
for( ZONE* zone : m_board->Zones() )
{
if( isKeepoutZone( zone, true ) )
keepoutZones.push_back( zone );
}
for( FOOTPRINT* footprint : m_board->Footprints() )
{
for( ZONE* zone : footprint->Zones() )
{
if( isKeepoutZone( zone, true ) )
keepoutZones.push_back( zone );
}
}
for( ZONE* zone : keepoutZones )
{
wxString name = zone->GetZoneName();
if( name.IsEmpty() )
{
rule = createImplicitRule( _( "keepout area" ) );
name = zone->m_Uuid.AsString();
}
else
{
rule = createImplicitRule( wxString::Format( _( "keepout area '%s'" ), name ) );
}
rule->m_Condition = new DRC_RULE_CONDITION( wxString::Format( "A.insideArea('%s')",
name ) );
rule->m_LayerCondition = zone->GetLayerSet();
int disallowFlags = 0;
if( zone->GetDoNotAllowTracks() )
disallowFlags |= DRC_DISALLOW_TRACKS;
if( zone->GetDoNotAllowVias() )
disallowFlags |= DRC_DISALLOW_VIAS;
if( zone->GetDoNotAllowPads() )
disallowFlags |= DRC_DISALLOW_PADS;
if( zone->GetDoNotAllowCopperPour() )
disallowFlags |= DRC_DISALLOW_ZONES;
if( zone->GetDoNotAllowFootprints() )
disallowFlags |= DRC_DISALLOW_FOOTPRINTS;
DRC_CONSTRAINT disallowConstraint( DISALLOW_CONSTRAINT );
disallowConstraint.m_DisallowFlags = disallowFlags;
rule->AddConstraint( disallowConstraint );
}
ReportAux( wxString::Format( "Building %d implicit netclass rules",
(int) netclassClearanceRules.size() ) );
}
static wxString formatConstraint( const DRC_CONSTRAINT& constraint )
{
struct FORMATTER
{
DRC_CONSTRAINT_T type;
wxString name;
std::function<wxString(const DRC_CONSTRAINT&)> formatter;
};
auto formatMinMax =
[]( const DRC_CONSTRAINT& c ) -> wxString
{
wxString str;
const auto value = c.GetValue();
if ( value.HasMin() )
str += wxString::Format( " min: %d", value.Min() );
if ( value.HasOpt() )
str += wxString::Format( " opt: %d", value.Opt() );
if ( value.HasMax() )
str += wxString::Format( " max: %d", value.Max() );
return str;
};
std::vector<FORMATTER> formats =
{
{ CLEARANCE_CONSTRAINT, "clearance", formatMinMax },
{ HOLE_CLEARANCE_CONSTRAINT, "hole_clearance", formatMinMax },
{ HOLE_TO_HOLE_CONSTRAINT, "hole_to_hole", formatMinMax },
{ EDGE_CLEARANCE_CONSTRAINT, "edge_clearance", formatMinMax },
{ HOLE_SIZE_CONSTRAINT, "hole_size", formatMinMax },
{ COURTYARD_CLEARANCE_CONSTRAINT, "courtyard_clearance", formatMinMax },
{ SILK_CLEARANCE_CONSTRAINT, "silk_clearance", formatMinMax },
{ TRACK_WIDTH_CONSTRAINT, "track_width", formatMinMax },
{ ANNULAR_WIDTH_CONSTRAINT, "annular_width", formatMinMax },
{ DISALLOW_CONSTRAINT, "disallow", nullptr },
{ VIA_DIAMETER_CONSTRAINT, "via_diameter", formatMinMax },
{ LENGTH_CONSTRAINT, "length", formatMinMax },
{ SKEW_CONSTRAINT, "skew", formatMinMax },
{ VIA_COUNT_CONSTRAINT, "via_count", formatMinMax }
};
for( FORMATTER& fmt : formats )
{
if( fmt.type == constraint.m_Type )
{
wxString rv = fmt.name + " ";
if( fmt.formatter )
rv += fmt.formatter( constraint );
return rv;
}
}
return "?";
}
/**
* @throws PARSE_ERROR
*/
void DRC_ENGINE::loadRules( const wxFileName& aPath )
{
if( aPath.FileExists() )
{
std::vector<DRC_RULE*> rules;
FILE* fp = wxFopen( aPath.GetFullPath(), wxT( "rt" ) );
if( fp )
{
DRC_RULES_PARSER parser( fp, aPath.GetFullPath() );
parser.Parse( rules, m_reporter );
}
// Copy the rules into the member variable afterwards so that if Parse() throws then
// the possibly malformed rules won't contaminate the current ruleset.
for( DRC_RULE* rule : rules )
m_rules.push_back( rule );
}
}
void DRC_ENGINE::compileRules()
{
ReportAux( wxString::Format( "Compiling Rules (%d rules): ",
(int) m_rules.size() ) );
for( DRC_TEST_PROVIDER* provider : m_testProviders )
{
ReportAux( wxString::Format( "- Provider: '%s': ", provider->GetName() ) );
drc_dbg( 7, "do prov %s", provider->GetName() );
for( DRC_CONSTRAINT_T id : provider->GetConstraintTypes() )
{
drc_dbg( 7, "do id %d", id );
if( m_constraintMap.find( id ) == m_constraintMap.end() )
m_constraintMap[ id ] = new std::vector<DRC_ENGINE_CONSTRAINT*>();
for( DRC_RULE* rule : m_rules )
{
DRC_RULE_CONDITION* condition = nullptr;
bool compileOk = false;
std::vector<DRC_CONSTRAINT> matchingConstraints;
drc_dbg( 7, "Scan provider %s, rule %s", provider->GetName(), rule->m_Name );
if( rule->m_Condition && !rule->m_Condition->GetExpression().IsEmpty() )
{
condition = rule->m_Condition;
compileOk = condition->Compile( nullptr, 0, 0 ); // fixme
}
for( const DRC_CONSTRAINT& constraint : rule->m_Constraints )
{
drc_dbg(7, "scan constraint id %d\n", constraint.m_Type );
if( constraint.m_Type != id )
continue;
DRC_ENGINE_CONSTRAINT* rcons = new DRC_ENGINE_CONSTRAINT;
rcons->layerTest = rule->m_LayerCondition;
rcons->condition = condition;
matchingConstraints.push_back( constraint );
rcons->constraint = constraint;
rcons->parentRule = rule;
m_constraintMap[ id ]->push_back( rcons );
}
if( !matchingConstraints.empty() )
{
ReportAux( wxString::Format( " |- Rule: '%s' ",
rule->m_Name ) );
if( condition )
{
ReportAux( wxString::Format( " |- condition: '%s' compile: %s",
condition->GetExpression(),
compileOk ? "OK" : "ERROR" ) );
}
for (const DRC_CONSTRAINT& constraint : matchingConstraints )
{
ReportAux( wxString::Format( " |- constraint: %s",
formatConstraint( constraint ) ) );
}
}
}
}
}
}
/**
* @throws PARSE_ERROR
*/
void DRC_ENGINE::InitEngine( const wxFileName& aRulePath )
{
m_testProviders = DRC_TEST_PROVIDER_REGISTRY::Instance().GetTestProviders();
for( DRC_TEST_PROVIDER* provider : m_testProviders )
{
ReportAux( wxString::Format( "Create DRC provider: '%s'", provider->GetName() ) );
provider->SetDRCEngine( this );
}
for( DRC_RULE* rule : m_rules )
delete rule;
m_rules.clear();
m_rulesValid = false;
for( std::pair<DRC_CONSTRAINT_T, std::vector<DRC_ENGINE_CONSTRAINT*>*> pair : m_constraintMap )
{
for( DRC_ENGINE_CONSTRAINT* constraint : *pair.second )
delete constraint;
delete pair.second;
}
m_constraintMap.clear();
try // attempt to load full set of rules (implicit + user rules)
{
loadImplicitRules();
loadRules( aRulePath );
compileRules();
}
catch( PARSE_ERROR& original_parse_error )
{
try // try again with just our implicit rules
{
loadImplicitRules();
compileRules();
}
catch( PARSE_ERROR& ignore )
{
wxFAIL_MSG( "Compiling implict rules failed." );
}
throw original_parse_error;
}
for( int ii = DRCE_FIRST; ii < DRCE_LAST; ++ii )
m_errorLimits[ ii ] = INT_MAX;
m_rulesValid = true;
}
void DRC_ENGINE::RunTests( EDA_UNITS aUnits, bool aReportAllTrackErrors, bool aTestFootprints )
{
m_userUnits = aUnits;
// Note: set these first. The phase counts may be dependent on some of them.
m_reportAllTrackErrors = aReportAllTrackErrors;
m_testFootprints = aTestFootprints;
if( m_progressReporter )
{
int phases = 0;
for( DRC_TEST_PROVIDER* provider : m_testProviders )
{
if( provider->IsEnabled() )
phases += provider->GetNumPhases();
}
m_progressReporter->AddPhases( phases );
}
for( int ii = DRCE_FIRST; ii < DRCE_LAST; ++ii )
{
if( m_designSettings->Ignore( ii ) )
m_errorLimits[ ii ] = 0;
else
m_errorLimits[ ii ] = INT_MAX;
}
for( ZONE* zone : m_board->Zones() )
{
zone->CacheBoundingBox();
zone->CacheTriangulation();
}
for( FOOTPRINT* footprint : m_board->Footprints() )
{
for( ZONE* zone : footprint->Zones() )
{
zone->CacheBoundingBox();
zone->CacheTriangulation();
}
footprint->BuildPolyCourtyards();
}
for( DRC_TEST_PROVIDER* provider : m_testProviders )
{
if( !provider->IsEnabled() )
continue;
drc_dbg( 0, "Running test provider: '%s'\n", provider->GetName() );
ReportAux( wxString::Format( "Run DRC provider: '%s'", provider->GetName() ) );
if( !provider->Run() )
break;
}
}
DRC_CONSTRAINT DRC_ENGINE::EvalRulesForItems( DRC_CONSTRAINT_T aConstraintId,
const BOARD_ITEM* a, const BOARD_ITEM* b,
PCB_LAYER_ID aLayer, REPORTER* aReporter )
{
#define REPORT( s ) { if( aReporter ) { aReporter->Report( s ); } }
#define UNITS aReporter ? aReporter->GetUnits() : EDA_UNITS::MILLIMETRES
/*
* NOTE: all string manipulation MUST BE KEPT INSIDE the REPORT macro. It absolutely
* kills performance when running bulk DRC tests (where aReporter is nullptr).
*/
const BOARD_CONNECTED_ITEM* ac = a && a->IsConnected() ?
static_cast<const BOARD_CONNECTED_ITEM*>( a ) : nullptr;
const BOARD_CONNECTED_ITEM* bc = b && b->IsConnected() ?
static_cast<const BOARD_CONNECTED_ITEM*>( b ) : nullptr;
bool a_is_non_copper = a && ( !a->IsOnCopperLayer() || isKeepoutZone( a, false ) );
bool b_is_non_copper = b && ( !b->IsOnCopperLayer() || isKeepoutZone( b, false ) );
const DRC_CONSTRAINT* constraintRef = nullptr;
bool implicit = false;
// Local overrides take precedence
if( aConstraintId == CLEARANCE_CONSTRAINT )
{
int overrideA = 0;
int overrideB = 0;
if( ac && !b_is_non_copper && ac->GetLocalClearanceOverrides( nullptr ) > 0 )
{
overrideA = ac->GetLocalClearanceOverrides( &m_msg );
REPORT( "" )
REPORT( wxString::Format( _( "Local override on %s; clearance: %s." ),
EscapeHTML( a->GetSelectMenuText( UNITS ) ),
EscapeHTML( MessageTextFromValue( UNITS, overrideA ) ) ) )
}
if( bc && !a_is_non_copper && bc->GetLocalClearanceOverrides( nullptr ) > 0 )
{
overrideB = bc->GetLocalClearanceOverrides( &m_msg );
REPORT( "" )
REPORT( wxString::Format( _( "Local override on %s; clearance: %s." ),
EscapeHTML( b->GetSelectMenuText( UNITS ) ),
EscapeHTML( MessageTextFromValue( UNITS, overrideB ) ) ) )
}
if( overrideA || overrideB )
{
DRC_CONSTRAINT constraint( CLEARANCE_CONSTRAINT, m_msg );
constraint.m_Value.SetMin( std::max( overrideA, overrideB ) );
return constraint;
}
}
auto processConstraint =
[&]( const DRC_ENGINE_CONSTRAINT* c ) -> bool
{
implicit = c->parentRule && c->parentRule->m_Implicit;
REPORT( "" )
if( aConstraintId == CLEARANCE_CONSTRAINT )
{
int val = c->constraint.m_Value.Min();
REPORT( wxString::Format( _( "Checking %s; clearance: %s." ),
EscapeHTML( c->constraint.GetName() ),
EscapeHTML( MessageTextFromValue( UNITS, val ) ) ) )
}
else if( aConstraintId == COURTYARD_CLEARANCE_CONSTRAINT )
{
int val = c->constraint.m_Value.Min();
REPORT( wxString::Format( _( "Checking %s; courtyard clearance: %s." ),
EscapeHTML( c->constraint.GetName() ),
EscapeHTML( MessageTextFromValue( UNITS, val ) ) ) )
}
else if( aConstraintId == SILK_CLEARANCE_CONSTRAINT )
{
int val = c->constraint.m_Value.Min();
REPORT( wxString::Format( _( "Checking %s; silk clearance: %s." ),
EscapeHTML( c->constraint.GetName() ),
EscapeHTML( MessageTextFromValue( UNITS, val ) ) ) )
}
else if( aConstraintId == HOLE_CLEARANCE_CONSTRAINT )
{
int val = c->constraint.m_Value.Min();
REPORT( wxString::Format( _( "Checking %s; hole clearance: %s." ),
EscapeHTML( c->constraint.GetName() ),
EscapeHTML( MessageTextFromValue( UNITS, val ) ) ) )
}
else if( aConstraintId == EDGE_CLEARANCE_CONSTRAINT )
{
int val = c->constraint.m_Value.Min();
REPORT( wxString::Format( _( "Checking %s; edge clearance: %s." ),
EscapeHTML( c->constraint.GetName() ),
EscapeHTML( MessageTextFromValue( UNITS, val ) ) ) )
}
else
{
REPORT( wxString::Format( _( "Checking %s." ), c->constraint.GetName() ) )
}
if( aConstraintId == CLEARANCE_CONSTRAINT )
{
if( implicit && ( a_is_non_copper || b_is_non_copper ) )
{
REPORT( _( "Board and netclass clearances apply only between copper "
"items." ) );
return true;
}
}
else if( aConstraintId == DISALLOW_CONSTRAINT )
{
int mask;
if( a->GetFlags() & HOLE_PROXY )
{
mask = DRC_DISALLOW_HOLES;
}
else if( a->Type() == PCB_VIA_T )
{
if( static_cast<const VIA*>( a )->GetViaType() == VIATYPE::BLIND_BURIED )
mask = DRC_DISALLOW_VIAS | DRC_DISALLOW_BB_VIAS;
else if( static_cast<const VIA*>( a )->GetViaType() == VIATYPE::MICROVIA )
mask = DRC_DISALLOW_VIAS | DRC_DISALLOW_MICRO_VIAS;
else
mask = DRC_DISALLOW_VIAS;
}
else
{
switch( a->Type() )
{
case PCB_TRACE_T: mask = DRC_DISALLOW_TRACKS; break;
case PCB_ARC_T: mask = DRC_DISALLOW_TRACKS; break;
case PCB_PAD_T: mask = DRC_DISALLOW_PADS; break;
case PCB_FOOTPRINT_T: mask = DRC_DISALLOW_FOOTPRINTS; break;
case PCB_SHAPE_T: mask = DRC_DISALLOW_GRAPHICS; break;
case PCB_FP_SHAPE_T: mask = DRC_DISALLOW_GRAPHICS; break;
case PCB_TEXT_T: mask = DRC_DISALLOW_TEXTS; break;
case PCB_FP_TEXT_T: mask = DRC_DISALLOW_TEXTS; break;
case PCB_ZONE_T: mask = DRC_DISALLOW_ZONES; break;
case PCB_FP_ZONE_T: mask = DRC_DISALLOW_ZONES; break;
case PCB_LOCATE_HOLE_T: mask = DRC_DISALLOW_HOLES; break;
default: mask = 0; break;
}
}
if( ( c->constraint.m_DisallowFlags & mask ) == 0 )
{
if( implicit )
REPORT( _( "Keepout constraint not met." ) )
else
REPORT( _( "Disallow constraint not met." ) )
return false;
}
if( !( c->layerTest & a->GetLayerSet() ).any() )
{
if( implicit )
{
REPORT( _( "Keepout layer(s) not matched." ) )
}
else if( c->parentRule )
{
REPORT( wxString::Format( _( "Rule layer '%s' not matched; rule "
"ignored." ),
EscapeHTML( c->parentRule->m_LayerSource ) ) )
}
else
{
REPORT( _( "Rule layer not matched; rule ignored." ) )
}
return false;
}
}
if( aLayer != UNDEFINED_LAYER && !c->layerTest.test( aLayer ) )
{
if( implicit )
{
REPORT( "Constraint layer not matched." )
}
else if( c->parentRule )
{
REPORT( wxString::Format( _( "Rule layer '%s' not matched; rule ignored." ),
EscapeHTML( c->parentRule->m_LayerSource ) ) )
}
else
{
REPORT( _( "Rule layer not matched; rule ignored." ) )
}
return false;
}
if( !c->condition || c->condition->GetExpression().IsEmpty() )
{
REPORT( implicit ? _( "Unconditional constraint applied." )
: _( "Unconditional rule applied." ) );
constraintRef = &c->constraint;
return true;
}
else
{
if( implicit )
{
// Don't report on implicit rule conditions; they're synthetic.
}
else
{
REPORT( wxString::Format( _( "Checking rule condition \"%s\"." ),
EscapeHTML( c->condition->GetExpression() ) ) )
}
if( c->condition->EvaluateFor( a, b, aLayer, aReporter ) )
{
REPORT( implicit ? _( "Constraint applied." )
: _( "Rule applied; overrides previous constraints." ) )
constraintRef = &c->constraint;
return true;
}
else
{
REPORT( implicit ? _( "Membership not satisfied; constraint ignored." )
: _( "Condition not satisfied; rule ignored." ) )
return false;
}
}
};
if( m_constraintMap.count( aConstraintId ) )
{
std::vector<DRC_ENGINE_CONSTRAINT*>* ruleset = m_constraintMap[ aConstraintId ];
if( aReporter )
{
// We want to see all results so process in "natural" order
for( int ii = 0; ii < (int) ruleset->size(); ++ii )
{
processConstraint( ruleset->at( ii ) );
}
}
else
{
// Last matching rule wins, so process in reverse order and quit when match found
for( int ii = (int) ruleset->size() - 1; ii >= 0; --ii )
{
if( processConstraint( ruleset->at( ii ) ) )
break;
}
}
}
bool explicitConstraintFound = constraintRef && !implicit;
// Unfortunately implicit rules don't work for local clearances (such as zones) because
// they have to be max'ed with netclass values (which are already implicit rules), and our
// rule selection paradigm is "winner takes all".
if( aConstraintId == CLEARANCE_CONSTRAINT && !explicitConstraintFound )
{
int global = constraintRef ? constraintRef->m_Value.Min() : 0;
int localA = ac ? ac->GetLocalClearance( nullptr ) : 0;
int localB = bc ? bc->GetLocalClearance( nullptr ) : 0;
int clearance = global;
if( localA > 0 )
{
REPORT( "" )
REPORT( wxString::Format( _( "Local clearance on %s; clearance: %s." ),
EscapeHTML( a->GetSelectMenuText( UNITS ) ),
EscapeHTML( MessageTextFromValue( UNITS, localA ) ) ) )
if( localA > clearance )
clearance = ac->GetLocalClearance( &m_msg );
}
if( localB > 0 )
{
REPORT( "" )
REPORT( wxString::Format( _( "Local clearance on %s; clearance: %s." ),
EscapeHTML( b->GetSelectMenuText( UNITS ) ),
EscapeHTML( MessageTextFromValue( UNITS, localB ) ) ) )
if( localB > clearance )
clearance = bc->GetLocalClearance( &m_msg );
}
if( localA > global || localB > global )
{
DRC_CONSTRAINT constraint( CLEARANCE_CONSTRAINT, m_msg );
constraint.m_Value.SetMin( clearance );
return constraint;
}
}
static DRC_CONSTRAINT nullConstraint( NULL_CONSTRAINT );
nullConstraint.m_DisallowFlags = 0;
return constraintRef ? *constraintRef : nullConstraint;
#undef REPORT
#undef UNITS
}
bool DRC_ENGINE::IsErrorLimitExceeded( int error_code )
{
assert( error_code >= 0 && error_code <= DRCE_LAST );
return m_errorLimits[ error_code ] <= 0;
}
void DRC_ENGINE::ReportViolation( const std::shared_ptr<DRC_ITEM>& aItem, wxPoint aPos )
{
m_errorLimits[ aItem->GetErrorCode() ] -= 1;
if( m_violationHandler )
m_violationHandler( aItem, aPos );
if( m_reporter )
{
wxString msg = wxString::Format( "Test '%s': %s (code %d)",
aItem->GetViolatingTest()->GetName(),
aItem->GetErrorMessage(),
aItem->GetErrorCode() );
DRC_RULE* rule = aItem->GetViolatingRule();
if( rule )
msg += wxString::Format( ", violating rule: '%s'", rule->m_Name );
m_reporter->Report( msg );
wxString violatingItemsStr = "Violating items: ";
m_reporter->Report( wxString::Format( " |- violating position (%d, %d)",
aPos.x,
aPos.y ) );
}
}
void DRC_ENGINE::ReportAux ( const wxString& aStr )
{
if( !m_reporter )
return;
m_reporter->Report( aStr, RPT_SEVERITY_INFO );
}
bool DRC_ENGINE::ReportProgress( double aProgress )
{
if( !m_progressReporter )
return true;
m_progressReporter->SetCurrentProgress( aProgress );
return m_progressReporter->KeepRefreshing( false );
}
bool DRC_ENGINE::ReportPhase( const wxString& aMessage )
{
if( !m_progressReporter )
return true;
m_progressReporter->AdvancePhase( aMessage );
return m_progressReporter->KeepRefreshing( false );
}
bool DRC_ENGINE::HasRulesForConstraintType( DRC_CONSTRAINT_T constraintID )
{
//drc_dbg(10,"hascorrect id %d size %d\n", ruleID, m_ruleMap[ruleID]->sortedRules.size( ) );
if( m_constraintMap.count( constraintID ) )
return m_constraintMap[ constraintID ]->size() > 0;
return false;
}
bool DRC_ENGINE::QueryWorstConstraint( DRC_CONSTRAINT_T aConstraintId, DRC_CONSTRAINT& aConstraint )
{
int worst = 0;
if( m_constraintMap.count( aConstraintId ) )
{
for( DRC_ENGINE_CONSTRAINT* c : *m_constraintMap[aConstraintId] )
{
int current = c->constraint.GetValue().Min();
if( current > worst )
{
worst = current;
aConstraint = c->constraint;
}
}
}
return worst > 0;
}
// fixme: move two functions below to pcbcommon?
static int matchDpSuffix( const wxString& aNetName, wxString& aComplementNet,
wxString& aBaseDpName )
{
int rv = 0;
if( aNetName.EndsWith( "+" ) )
{
aComplementNet = "-";
rv = 1;
}
else if( aNetName.EndsWith( "P" ) )
{
aComplementNet = "N";
rv = 1;
}
else if( aNetName.EndsWith( "-" ) )
{
aComplementNet = "+";
rv = -1;
}
else if( aNetName.EndsWith( "N" ) )
{
aComplementNet = "P";
rv = -1;
}
// Match P followed by 2 digits
else if( aNetName.Right( 2 ).IsNumber() && aNetName.Right( 3 ).Left( 1 ) == "P" )
{
aComplementNet = "N" + aNetName.Right( 2 );
rv = 1;
}
// Match P followed by 1 digit
else if( aNetName.Right( 1 ).IsNumber() && aNetName.Right( 2 ).Left( 1 ) == "P" )
{
aComplementNet = "N" + aNetName.Right( 1 );
rv = 1;
}
// Match N followed by 2 digits
else if( aNetName.Right( 2 ).IsNumber() && aNetName.Right( 3 ).Left( 1 ) == "N" )
{
aComplementNet = "P" + aNetName.Right( 2 );
rv = -1;
}
// Match N followed by 1 digit
else if( aNetName.Right( 1 ).IsNumber() && aNetName.Right( 2 ).Left( 1 ) == "N" )
{
aComplementNet = "P" + aNetName.Right( 1 );
rv = -1;
}
if( rv != 0 )
{
aBaseDpName = aNetName.Left( aNetName.Length() - aComplementNet.Length() );
aComplementNet = aBaseDpName + aComplementNet;
}
return rv;
}
int DRC_ENGINE::IsNetADiffPair( BOARD* aBoard, NETINFO_ITEM* aNet, int& aNetP, int& aNetN )
{
wxString refName = aNet->GetNetname();
wxString dummy, coupledNetName;
if( int polarity = matchDpSuffix( refName, coupledNetName, dummy ) )
{
NETINFO_ITEM* net = aBoard->FindNet( coupledNetName );
if( !net )
return false;
if( polarity > 0 )
{
aNetP = aNet->GetNetCode();
aNetN = net->GetNetCode();
}
else
{
aNetP = net->GetNetCode();
aNetN = aNet->GetNetCode();
}
return true;
}
return false;
}
DRC_TEST_PROVIDER* DRC_ENGINE::GetTestProvider( const wxString& name ) const
{
for( auto prov : m_testProviders )
if( name == prov->GetName() )
return prov;
return nullptr;
}