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kicad/pcbnew/drc/drc_rule_parser.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 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 <fctsys.h>
#include <drc/drc_rule_parser.h>
#include <drc_rules_lexer.h>
#include <class_board.h>
#include <class_board_item.h>
using namespace DRCRULE_T;
DRC_RULES_PARSER::DRC_RULES_PARSER( BOARD* aBoard, FILE* aFile, const wxString& aFilename ) :
DRC_RULES_LEXER( aFile, aFilename ),
m_board( aBoard ),
m_requiredVersion( 0 ),
m_tooRecent( false )
{
for( LAYER_NUM layer = 0; layer < PCB_LAYER_ID_COUNT; ++layer )
{
std::string untranslated = TO_UTF8( wxString( LSET::Name( PCB_LAYER_ID( layer ) ) ) );
m_layerMap[ untranslated ] = PCB_LAYER_ID( layer );
}
}
void DRC_RULES_PARSER::Parse( std::vector<DRC_SELECTOR*>& aSelectors,
std::vector<DRC_RULE*>& aRules )
{
std::vector< std::pair<DRC_SELECTOR*, wxString> > selectorRules;
bool haveVersion = false;
for( T token = NextTok(); token != T_EOF; token = NextTok() )
{
if( token != T_LEFT )
Expecting( T_LEFT );
token = NextTok();
if( !haveVersion && token != T_version )
Expecting( "version" );
switch( token )
{
case T_version:
NeedNUMBER( "version" );
m_requiredVersion = (int)strtol( CurText(), NULL, 10 );
m_tooRecent = ( m_requiredVersion > DRC_RULE_FILE_VERSION );
haveVersion = true;
NeedRIGHT();
break;
case T_selector:
{
wxString ruleName;
aSelectors.push_back( parseDRC_SELECTOR( &ruleName ) );
selectorRules.emplace_back( aSelectors.back(), ruleName );
}
break;
case T_rule:
aRules.push_back( parseDRC_RULE() );
break;
default:
Expecting( "selector or rule" );
}
}
// Hook up the selectors to their rules
std::map<wxString, DRC_RULE*> ruleMap;
for( DRC_RULE* rule : aRules )
ruleMap[ rule->m_Name ] = rule;
for( const std::pair<DRC_SELECTOR*, wxString>& entry : selectorRules )
{
if( ruleMap.count( entry.second ) )
{
entry.first->m_Rule = ruleMap[ entry.second ];
}
else
{
wxString errText = wxString::Format( _( "Rule \"%s\" not found." ), entry.second );
THROW_PARSE_ERROR( errText, CurSource(), "", 0, 0 );
}
}
}
DRC_SELECTOR* DRC_RULES_PARSER::parseDRC_SELECTOR( wxString* aRuleName )
{
NETCLASSES& netclasses = m_board->GetDesignSettings().m_NetClasses;
DRC_SELECTOR* selector = new DRC_SELECTOR();
T token;
for( token = NextTok(); token != T_RIGHT; token = NextTok() )
{
if( token != T_LEFT )
Expecting( T_LEFT );
token = NextTok();
switch( token )
{
case T_match_netclass:
{
NeedSYMBOL();
NETCLASSPTR netclass = netclasses.Find( FromUTF8() );
if( netclass )
{
selector->m_MatchNetclasses.push_back( std::move( netclass ) );
}
else
{
// Interesting situation here: if we don't inform the user they may have a typo
// and can't figure out why their rules don't work.
// If we do tell them then it gets really noisy if they're using a single rule
// file for a class of board.
}
NeedRIGHT();
}
break;
case T_match_type:
switch( NextTok() )
{
case T_track: selector->m_MatchTypes.push_back( PCB_TRACE_T ); break;
case T_via: selector->m_MatchTypes.push_back( PCB_LOCATE_STDVIA_T ); break;
case T_micro_via: selector->m_MatchTypes.push_back( PCB_LOCATE_UVIA_T ); break;
case T_buried_via: selector->m_MatchTypes.push_back( PCB_LOCATE_BBVIA_T ); break;
case T_pad: selector->m_MatchTypes.push_back( PCB_PAD_T ); break;
case T_zone: selector->m_MatchTypes.push_back( PCB_ZONE_AREA_T ); break;
case T_text: selector->m_MatchTypes.push_back( PCB_LOCATE_TEXT_T ); break;
case T_graphic: selector->m_MatchTypes.push_back( PCB_LOCATE_GRAPHIC_T ); break;
case T_hole: selector->m_MatchTypes.push_back( PCB_LOCATE_HOLE_T ); break;
case T_npth: selector->m_MatchTypes.push_back( PCB_LOCATE_NPTH_T ); break;
case T_pth: selector->m_MatchTypes.push_back( PCB_LOCATE_PTH_T ); break;
case T_board_edge: selector->m_MatchTypes.push_back( PCB_LOCATE_BOARD_EDGE_T ); break;
default: Expecting( "track, via, micro_via, buried_via, pad, zone, text, "
"graphic, hole, npth, pth, or board_edge" );
}
NeedRIGHT();
break;
case T_match_layer:
NeedSYMBOL();
selector->m_MatchLayers.push_back( m_layerMap[ curText ] );
NeedRIGHT();
break;
case T_match_area:
// TODO
break;
case T_rule:
NeedSYMBOL();
*aRuleName = FromUTF8();
NeedRIGHT();
break;
default:
Expecting( "match_netclass, match_type, match_layer, match_area, or rule" );
}
}
return selector;
}
DRC_RULE* DRC_RULES_PARSER::parseDRC_RULE()
{
DRC_RULE* rule = new DRC_RULE();
T token = NextTok();
if( !IsSymbol( token ) )
Expecting( "rule name" );
rule->m_Name = FromUTF8();
for( token = NextTok(); token != T_RIGHT; token = NextTok() )
{
if( token != T_LEFT )
Expecting( T_LEFT );
token = NextTok();
switch( token )
{
case T_disallow:
switch( NextTok() )
{
case T_track: rule->m_DisallowFlags |= DISALLOW_TRACKS; break;
case T_via: rule->m_DisallowFlags |= DISALLOW_VIAS; break;
case T_micro_via: rule->m_DisallowFlags |= DISALLOW_MICRO_VIAS; break;
case T_buried_via: rule->m_DisallowFlags |= DISALLOW_BB_VIAS; break;
case T_pad: rule->m_DisallowFlags |= DISALLOW_PADS; break;
case T_zone: rule->m_DisallowFlags |= DISALLOW_ZONES; break;
case T_text: rule->m_DisallowFlags |= DISALLOW_TEXTS; break;
case T_graphic: rule->m_DisallowFlags |= DISALLOW_GRAPHICS; break;
case T_hole: rule->m_DisallowFlags |= DISALLOW_HOLES; break;
case T_footprint: rule->m_DisallowFlags |= DISALLOW_FOOTPRINTS; break;
default: Expecting( "track, via, micro_via, blind_via, pad, zone, text, "
"graphic, or hole" );
}
rule->m_ConstraintFlags = DISALLOW_CONSTRAINT;
NeedRIGHT();
break;
case T_constraint:
parseConstraint( rule );
break;
case T_condition:
NeedSYMBOL();
rule->m_Condition = FromUTF8();
NeedRIGHT();
break;
default:
Expecting( "disallow, constraint or condition" );
}
}
return rule;
}
void DRC_RULES_PARSER::parseConstraint( DRC_RULE* aRule )
{
T token;
int constraintType;
int value;
switch( NextTok() )
{
case T_clearance: constraintType = CLEARANCE_CONSTRAINT; break;
case T_track_width: constraintType = TRACK_CONSTRAINT; break;
case T_annulus_width: constraintType = ANNULUS_CONSTRAINT; break;
case T_hole: constraintType = HOLE_CONSTRAINT; break;
default: Expecting( "clearance, track_width, annulus_width, or hole" ); return;
}
aRule->m_ConstraintFlags |= constraintType;
for( token = NextTok(); token != T_RIGHT; token = NextTok() )
{
if( token != T_LEFT )
Expecting( T_LEFT );
token = NextTok();
switch( token )
{
case T_min:
NextTok();
value = parseValue( token );
switch( constraintType )
{
case CLEARANCE_CONSTRAINT: aRule->m_Clearance.Min = value; break;
case TRACK_CONSTRAINT: aRule->m_TrackConstraint.Min = value; break;
case ANNULUS_CONSTRAINT: aRule->m_MinAnnulusWidth = value; break;
case HOLE_CONSTRAINT: aRule->m_MinHole = value; break;
}
NeedRIGHT();
break;
case T_max:
NextTok();
value = parseValue( token );
switch( constraintType )
{
case CLEARANCE_CONSTRAINT: aRule->m_Clearance.Max = value; break;
case TRACK_CONSTRAINT: aRule->m_TrackConstraint.Max = value; break;
default: Expecting( "min" );
}
NeedRIGHT();
break;
case T_opt:
NextTok();
value = parseValue( token );
switch( constraintType )
{
case CLEARANCE_CONSTRAINT: aRule->m_Clearance.Opt = value; break;
case TRACK_CONSTRAINT: aRule->m_TrackConstraint.Opt = value; break;
default: Expecting( "min" );
}
NeedRIGHT();
break;
default:
Expecting( "allow or constraint" );
}
}
}
int DRC_RULES_PARSER::parseValue( DRCRULE_T::T aToken )
{
char* tmp;
errno = 0;
double fval = strtod( CurText(), &tmp );
if( errno )
{
THROW_PARSE_ERROR( _( "Invalid floating point number" ), CurSource(), CurLine(),
CurLineNumber(), CurOffset() );
}
if( CurText() == tmp )
{
THROW_PARSE_ERROR( _( "Missing floating point number" ), CurSource(), CurLine(),
CurLineNumber(), CurOffset() );
}
return KiROUND( fval * IU_PER_MM );
}
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