134 lines
3.5 KiB
C++
134 lines
3.5 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2020 KiCad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <fctsys.h>
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#include <class_board.h>
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#include <class_board_item.h>
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#include <drc/drc_rule.h>
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#include <pcb_expr_evaluator.h>
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const DRC_CONSTRAINT* GetConstraint( const BOARD_ITEM* aItem, const BOARD_ITEM* bItem,
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int aConstraint, PCB_LAYER_ID aLayer, wxString* aRuleName )
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{
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BOARD* board = aItem->GetBoard();
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if( !board )
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return nullptr;
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for( DRC_RULE* rule : board->GetDesignSettings().m_DRCRules )
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{
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if( !rule->m_LayerCondition.test( aLayer ) )
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continue;
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for( const DRC_CONSTRAINT& constraint : rule->m_Constraints )
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{
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if( constraint.m_Type != aConstraint )
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continue;
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if( !rule->m_LayerCondition.test( aLayer ) )
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continue;
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if( rule->m_Condition.EvaluateFor( aItem, bItem, aLayer ) )
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{
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if( aRuleName )
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*aRuleName = rule->m_Name;
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return &constraint;
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}
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if( bItem && rule->m_Condition.EvaluateFor( bItem, aItem, aLayer ) )
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{
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if( aRuleName )
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*aRuleName = rule->m_Name;
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return &constraint;
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}
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}
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}
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return nullptr;
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}
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DRC_RULE::DRC_RULE() :
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m_LayerCondition( LSET::AllLayersMask() )
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{
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}
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DRC_RULE::~DRC_RULE()
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{
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}
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DRC_RULE_CONDITION::DRC_RULE_CONDITION()
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{
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m_ucode = nullptr;
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}
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DRC_RULE_CONDITION::~DRC_RULE_CONDITION()
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{
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delete m_ucode;
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}
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bool DRC_RULE_CONDITION::EvaluateFor( const BOARD_ITEM* aItemA, const BOARD_ITEM* aItemB,
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PCB_LAYER_ID aLayer )
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{
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// An unconditional rule is always true
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if( m_Expression.IsEmpty() )
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return true;
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// A rule which failed to compile is always false
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if( !m_ucode )
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return false;
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BOARD_ITEM* a = const_cast<BOARD_ITEM*>( aItemA );
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BOARD_ITEM* b = aItemB ? const_cast<BOARD_ITEM*>( aItemB ) : DELETED_BOARD_ITEM::GetInstance();
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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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}
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bool DRC_RULE_CONDITION::Compile( REPORTER* aReporter, int aSourceLine, int aSourceOffset )
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{
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PCB_EXPR_COMPILER compiler( aReporter, aSourceLine, aSourceOffset );
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if (!m_ucode)
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m_ucode = new PCB_EXPR_UCODE;
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PCB_EXPR_CONTEXT preflightContext( F_Cu );
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bool ok = compiler.Compile( m_Expression.ToUTF8().data(), m_ucode, &preflightContext );
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return ok;
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}
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