kicad/qa/drc_proto/drc_rule.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_proto/drc_rule.h>
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#include <pcb_expr_evaluator.h>
test::DRC_RULE::DRC_RULE() :
m_Unary( false ),
m_Enabled( true ),
m_Priority( 0 ),
m_Severity( DRC_RULE_SEVERITY_T::DRC_SEVERITY_ERROR ),
m_condition( nullptr )
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{
}
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test::DRC_RULE::~DRC_RULE()
{
}
void test::DRC_RULE::AddConstraint( DRC_CONSTRAINT& aConstraint )
{
aConstraint.SetParentRule( this );
m_constraints.push_back( aConstraint );
}
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test::DRC_RULE_CONDITION::DRC_RULE_CONDITION()
{
m_ucode = nullptr;
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}
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test::DRC_RULE_CONDITION::~DRC_RULE_CONDITION()
{
}
bool test::DRC_RULE_CONDITION::EvaluateFor( const BOARD_ITEM* aItemA, const BOARD_ITEM* aItemB,
PCB_LAYER_ID aLayer )
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{
// An unconditional rule is always true
if( m_expression.IsEmpty() )
return true;
// A rule which failed to compile is always false
if( !m_ucode )
return false;
BOARD_ITEM* a = const_cast<BOARD_ITEM*>( aItemA );
BOARD_ITEM* b = aItemB ? const_cast<BOARD_ITEM*>( aItemB ) : DELETED_BOARD_ITEM::GetInstance();
PCB_EXPR_CONTEXT ctx( aLayer );
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ctx.SetItems( a, b );
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return m_ucode->Run( &ctx )->AsDouble() != 0.0;
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}
bool test::DRC_RULE_CONDITION::Compile( REPORTER* aReporter, int aSourceLine, int aSourceOffset )
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{
PCB_EXPR_COMPILER compiler;
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if (!m_ucode)
m_ucode.reset( new PCB_EXPR_UCODE );
PCB_EXPR_CONTEXT preflightContext( F_Cu );
bool ok = compiler.Compile( m_expression, m_ucode.get(), &preflightContext );
return ok;
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}