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 <class_board.h>
#include <class_board_item.h>
#include <drc/drc_rule_parser.h>
#include <drc_rules_lexer.h>
#include <pcb_expr_evaluator.h>
#include <reporter.h>
using namespace DRCRULE_T;
DRC_RULES_PARSER::DRC_RULES_PARSER( BOARD* aBoard, const wxString& aSource,
const wxString& aSourceDescr ) :
DRC_RULES_LEXER( aSource.ToStdString(), aSourceDescr ),
m_requiredVersion( 0 ),
m_tooRecent( false ),
m_reporter( nullptr )
{
}
DRC_RULES_PARSER::DRC_RULES_PARSER( BOARD* aBoard, FILE* aFile, const wxString& aFilename ) :
DRC_RULES_LEXER( aFile, aFilename ),
m_requiredVersion( 0 ),
m_tooRecent( false ),
m_reporter( nullptr )
{
}
void DRC_RULES_PARSER::reportError( const wxString& aMessage )
{
wxString rest;
wxString first = aMessage.BeforeFirst( '|', &rest );
wxString msg = wxString::Format( _( "ERROR: <a href='%d:%d'>%s</a>%s" ),
CurLineNumber(),
CurOffset(),
first,
rest );
m_reporter->Report( msg, RPT_SEVERITY_ERROR );
}
void DRC_RULES_PARSER::parseUnknown()
{
int depth = 1;
for( T token = NextTok(); token != T_EOF; token = NextTok() )
{
if( token == T_LEFT )
depth++;
if( token == T_RIGHT )
{
if( --depth == 0 )
break;
}
}
}
void DRC_RULES_PARSER::Parse( std::vector<DRC_RULE*>& aRules, REPORTER* aReporter )
{
bool haveVersion = false;
wxString msg;
m_reporter = aReporter;
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for( T token = NextTok(); token != T_EOF; token = NextTok() )
{
if( token != T_LEFT )
reportError( _( "Missing '('." ) );
token = NextTok();
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if( !haveVersion && token != T_version )
{
reportError( _( "Missing version statement." ) );
haveVersion = true; // don't keep on reporting it
}
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switch( token )
{
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case T_version:
haveVersion = true;
token = NextTok();
if( (int) token == DSN_RIGHT )
{
reportError( _( "Missing version number." ) );
break;
}
if( (int) token == DSN_NUMBER )
{
m_requiredVersion = (int)strtol( CurText(), NULL, 10 );
m_tooRecent = ( m_requiredVersion > DRC_RULE_FILE_VERSION );
token = NextTok();
}
else
{
msg.Printf( _( "Unrecognized item '%s'.| Expected version number" ), FromUTF8() );
reportError( msg );
}
if( (int) token != DSN_RIGHT )
{
msg.Printf( _( "Unrecognized item '%s'." ), FromUTF8() );
reportError( msg );
parseUnknown();
}
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break;
case T_rule:
aRules.push_back( parseDRC_RULE() );
break;
case T_EOF:
reportError( _( "Incomplete statement." ) );
break;
default:
msg.Printf( _( "Unrecognized item '%s'.| Expected %s." ),
FromUTF8(), "'rule', 'version'" );
reportError( msg );
parseUnknown();
}
}
if( !m_reporter->HasMessage() )
m_reporter->Report( _( "No errors found." ), RPT_SEVERITY_INFO );
m_reporter = nullptr;
}
DRC_RULE* DRC_RULES_PARSER::parseDRC_RULE()
{
DRC_RULE* rule = new DRC_RULE();
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T token = NextTok();
wxString msg;
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if( !IsSymbol( token ) )
reportError( _( "Missing rule name." ) );
rule->m_Name = FromUTF8();
for( token = NextTok(); token != T_RIGHT && token != T_EOF; token = NextTok() )
{
if( token != T_LEFT )
reportError( _( "Missing '('." ) );
token = NextTok();
switch( token )
{
case T_constraint:
parseConstraint( rule );
break;
case T_condition:
token = NextTok();
if( (int) token == DSN_RIGHT )
{
reportError( _( "Missing condition expression." ) );
break;
}
if( IsSymbol( token ) )
{
rule->m_Condition.m_Expression = FromUTF8();
rule->m_Condition.Compile( m_reporter, CurLineNumber(), CurOffset() );
}
else
{
msg.Printf( _( "Unrecognized item '%s'.| Expected quoted expression." ),
FromUTF8() );
reportError( msg );
}
if( (int) NextTok() != DSN_RIGHT )
{
reportError( wxString::Format( _( "Unrecognized item '%s'." ), FromUTF8() ) );
parseUnknown();
}
break;
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case T_layer:
rule->m_LayerCondition = parseLayer();
break;
case T_EOF:
reportError( _( "Incomplete statement." ) );
return rule;
default:
msg.Printf( _( "Unrecognized item '%s'.| Expected %s." ),
FromUTF8(),
"'constraint', 'condition', 'disallow'" );
reportError( msg );
parseUnknown();
}
}
if( (int) CurTok() != DSN_RIGHT )
reportError( _( "Missing ')'." ) );
return rule;
}
void DRC_RULES_PARSER::parseConstraint( DRC_RULE* aRule )
{
aRule->m_Constraints.emplace_back( DRC_CONSTRAINT() );
DRC_CONSTRAINT& constraint = aRule->m_Constraints.back();
int value;
wxString msg;
T token = NextTok();
if( (int) token == DSN_RIGHT || token == T_EOF )
{
msg.Printf( _( "Missing constraint type.| Expected %s." ),
"'clearance', 'track_width', 'annulus_width', 'hole', 'disallow'" );
reportError( msg );
return;
}
switch( token )
{
case T_clearance: constraint.m_Type = DRC_RULE_ID_CLEARANCE; break;
case T_track_width: constraint.m_Type = DRC_RULE_ID_TRACK; break;
case T_annulus_width: constraint.m_Type = DRC_RULE_ID_ANNULUS; break;
case T_hole: constraint.m_Type = DRC_RULE_ID_HOLE_SIZE; break;
case T_disallow: constraint.m_Type = DRC_RULE_ID_DISALLOW; break;
default:
msg.Printf( _( "Unrecognized item '%s'.| Expected %s." ),
FromUTF8(),
"'clearance', 'track_width', 'annulus_width', 'hole', 'disallow'."
);
reportError( msg );
}
if( constraint.m_Type == DRC_RULE_ID_DISALLOW )
{
for( token = NextTok(); token != T_RIGHT; token = NextTok() )
{
if( (int) token == DSN_STRING )
token = GetCurStrAsToken();
switch( token )
{
case T_track: constraint.m_DisallowFlags |= DISALLOW_TRACKS; break;
case T_via: constraint.m_DisallowFlags |= DISALLOW_VIAS; break;
case T_micro_via: constraint.m_DisallowFlags |= DISALLOW_MICRO_VIAS; break;
case T_buried_via: constraint.m_DisallowFlags |= DISALLOW_BB_VIAS; break;
case T_pad: constraint.m_DisallowFlags |= DISALLOW_PADS; break;
case T_zone: constraint.m_DisallowFlags |= DISALLOW_ZONES; break;
case T_text: constraint.m_DisallowFlags |= DISALLOW_TEXTS; break;
case T_graphic: constraint.m_DisallowFlags |= DISALLOW_GRAPHICS; break;
case T_hole: constraint.m_DisallowFlags |= DISALLOW_HOLES; break;
case T_footprint: constraint.m_DisallowFlags |= DISALLOW_FOOTPRINTS; break;
case T_EOF:
reportError( _( "Missing ')'." ) );
return;
default:
msg.Printf( _( "Unrecognized item '%s'.| Expected %s." ),
FromUTF8(),
"'track', 'via', 'micro_via', "
"'blind_via', 'pad', 'zone', 'text', 'graphic', 'hole'."
);
reportError( msg );
break;
}
}
if( (int) CurTok() != DSN_RIGHT )
reportError( _( "Missing ')'." ) );
return;
}
for( token = NextTok(); token != T_RIGHT && token != T_EOF; token = NextTok() )
{
if( token != T_LEFT )
reportError( _( "Missing '('." ) );
token = NextTok();
switch( token )
{
case T_min:
token = NextTok();
if( (int) token == DSN_RIGHT )
{
reportError( _( "Missing min value." ) );
break;
}
parseValueWithUnits( FromUTF8(), value );
constraint.m_Value.SetMin( value );
if( (int) NextTok() != DSN_RIGHT )
{
reportError( wxString::Format( _( "Unrecognized item '%s'." ), FromUTF8() ) );
parseUnknown();
}
break;
case T_max:
token = NextTok();
if( (int) token == DSN_RIGHT )
{
reportError( _( "Missing max value." ) );
break;
}
parseValueWithUnits( FromUTF8(), value );
constraint.m_Value.SetMax( value );
if( (int) NextTok() != DSN_RIGHT )
{
reportError( wxString::Format( _( "Unrecognized item '%s'." ), FromUTF8() ) );
parseUnknown();
}
break;
case T_opt:
token = NextTok();
if( (int) token == DSN_RIGHT )
{
reportError( _( "Missing opt value." ) );
break;
}
parseValueWithUnits( FromUTF8(), value );
constraint.m_Value.SetOpt( value );
if( (int) NextTok() != DSN_RIGHT )
{
reportError( wxString::Format( _( "Unrecognized item '%s'." ), FromUTF8() ) );
parseUnknown();
}
break;
case T_EOF:
reportError( _( "Incomplete statement." ) );
return;
default:
msg.Printf( _( "Unrecognized item '%s'.| Expected %s." ),
FromUTF8(), "'min', 'max', 'opt'" );
reportError( msg );
parseUnknown();
}
}
if( (int) CurTok() != DSN_RIGHT )
reportError( _( "Missing ')'." ) );
}
void DRC_RULES_PARSER::parseValueWithUnits( const wxString& aExpr, int& aResult )
{
auto errorHandler = [&]( const wxString& aMessage, int aOffset )
{
wxString rest;
wxString first = aMessage.BeforeFirst( '|', &rest );
wxString msg = wxString::Format( _( "ERROR: <a href='%d:%d'>%s</a>%s" ),
CurLineNumber(),
CurOffset() + aOffset,
first,
rest );
m_reporter->Report( msg, RPT_SEVERITY_ERROR );
};
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PCB_EXPR_EVALUATOR evaluator;
evaluator.SetErrorCallback( errorHandler );
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evaluator.Evaluate( aExpr );
aResult = evaluator.Result();
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}
LSET DRC_RULES_PARSER::parseLayer()
{
LSET retVal;
int token = NextTok();
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if( (int) token == DSN_RIGHT )
{
reportError( _( "Missing layer name or type." ) );
return LSET::AllCuMask();
}
else if( token == T_outer )
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{
retVal = LSET::ExternalCuMask();
}
else if( token == T_inner )
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{
retVal = LSET::InternalCuMask();
}
else
{
wxString layerName = FromUTF8();
PCB_LAYER_ID layer = ENUM_MAP<PCB_LAYER_ID>::Instance().ToEnum( layerName );
if( layer == UNDEFINED_LAYER )
reportError( wxString::Format( _( "Unrecognized layer '%s' " ), layerName ) );
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retVal.set( layer );
}
if( (int) NextTok() != DSN_RIGHT )
{
reportError( wxString::Format( _( "Unrecognized item '%s'." ), FromUTF8() ) );
parseUnknown();
}
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return retVal;
}