384 lines
11 KiB
C++
384 lines
11 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) 2019-2022 KiCad Developers, see AUTHORS.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 <cstdio>
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#include <memory>
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#include <board.h>
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#include <board_connected_item.h>
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#include <pcb_expr_evaluator.h>
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#include <drc/drc_engine.h>
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/* --------------------------------------------------------------------------------------------
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* Specialized Expression References
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*/
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BOARD_ITEM* PCB_EXPR_VAR_REF::GetObject( const LIBEVAL::CONTEXT* aCtx ) const
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{
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wxASSERT( dynamic_cast<const PCB_EXPR_CONTEXT*>( aCtx ) );
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const PCB_EXPR_CONTEXT* ctx = static_cast<const PCB_EXPR_CONTEXT*>( aCtx );
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BOARD_ITEM* item = ctx->GetItem( m_itemIndex );
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return item;
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}
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class PCB_LAYER_VALUE : public LIBEVAL::VALUE
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{
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public:
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PCB_LAYER_VALUE( PCB_LAYER_ID aLayer ) :
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LIBEVAL::VALUE( LayerName( aLayer ) ),
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m_layer( aLayer )
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{};
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virtual bool EqualTo( LIBEVAL::CONTEXT* aCtx, const VALUE* b ) const override
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{
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// For boards with user-defined layer names there will be 2 entries for each layer
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// in the ENUM_MAP: one for the canonical layer name and one for the user layer name.
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// We need to check against both.
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wxPGChoices& layerMap = ENUM_MAP<PCB_LAYER_ID>::Instance().Choices();
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const wxString& layerName = b->AsString();
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BOARD* board = static_cast<PCB_EXPR_CONTEXT*>( aCtx )->GetBoard();
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std::unique_lock<std::mutex> cacheLock( board->m_CachesMutex );
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auto i = board->m_LayerExpressionCache.find( layerName );
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LSET mask;
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if( i == board->m_LayerExpressionCache.end() )
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{
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for( unsigned ii = 0; ii < layerMap.GetCount(); ++ii )
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{
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wxPGChoiceEntry& entry = layerMap[ii];
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if( entry.GetText().Matches( layerName ) )
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mask.set( ToLAYER_ID( entry.GetValue() ) );
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}
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board->m_LayerExpressionCache[ layerName ] = mask;
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}
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else
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{
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mask = i->second;
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}
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return mask.Contains( m_layer );
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}
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protected:
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PCB_LAYER_ID m_layer;
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};
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LIBEVAL::VALUE* PCB_EXPR_VAR_REF::GetValue( LIBEVAL::CONTEXT* aCtx )
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{
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PCB_EXPR_CONTEXT* context = static_cast<PCB_EXPR_CONTEXT*>( aCtx );
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if( m_itemIndex == 2 )
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return new PCB_LAYER_VALUE( context->GetLayer() );
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BOARD_ITEM* item = GetObject( aCtx );
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if( !item )
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return new LIBEVAL::VALUE();
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auto it = m_matchingTypes.find( TYPE_HASH( *item ) );
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if( it == m_matchingTypes.end() )
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{
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// Don't force user to type "A.Type == 'via' && A.Via_Type == 'buried'" when the
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// simpler "A.Via_Type == 'buried'" is perfectly clear. Instead, return an undefined
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// value when the property doesn't appear on a particular object.
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return new LIBEVAL::VALUE();
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}
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else
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{
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if( m_type == LIBEVAL::VT_NUMERIC )
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return new LIBEVAL::VALUE( (double) item->Get<int>( it->second ) );
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else
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{
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wxString str;
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if( !m_isEnum )
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{
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str = item->Get<wxString>( it->second );
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return new LIBEVAL::VALUE( str );
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}
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else
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{
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const wxAny& any = item->Get( it->second );
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PCB_LAYER_ID layer;
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if( it->second->Name() == wxT( "Layer" ) )
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{
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if( any.GetAs<PCB_LAYER_ID>( &layer ) )
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return new PCB_LAYER_VALUE( layer );
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else if( any.GetAs<wxString>( &str ) )
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return new PCB_LAYER_VALUE( context->GetBoard()->GetLayerID( str ) );
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}
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else
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{
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if( any.GetAs<wxString>( &str ) )
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return new LIBEVAL::VALUE( str );
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}
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}
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return new LIBEVAL::VALUE();
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}
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}
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}
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LIBEVAL::VALUE* PCB_EXPR_NETCLASS_REF::GetValue( LIBEVAL::CONTEXT* aCtx )
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{
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BOARD_CONNECTED_ITEM* item = dynamic_cast<BOARD_CONNECTED_ITEM*>( GetObject( aCtx ) );
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if( !item )
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return new LIBEVAL::VALUE();
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return new LIBEVAL::VALUE( item->GetEffectiveNetClass()->GetName() );
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}
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LIBEVAL::VALUE* PCB_EXPR_NETNAME_REF::GetValue( LIBEVAL::CONTEXT* aCtx )
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{
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BOARD_CONNECTED_ITEM* item = dynamic_cast<BOARD_CONNECTED_ITEM*>( GetObject( aCtx ) );
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if( !item )
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return new LIBEVAL::VALUE();
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return new LIBEVAL::VALUE( item->GetNetname() );
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}
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LIBEVAL::VALUE* PCB_EXPR_TYPE_REF::GetValue( LIBEVAL::CONTEXT* aCtx )
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{
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BOARD_ITEM* item = GetObject( aCtx );
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if( !item )
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return new LIBEVAL::VALUE();
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return new LIBEVAL::VALUE( ENUM_MAP<KICAD_T>::Instance().ToString( item->Type() ) );
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}
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LIBEVAL::FUNC_CALL_REF PCB_EXPR_UCODE::CreateFuncCall( const wxString& aName )
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{
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PCB_EXPR_BUILTIN_FUNCTIONS& registry = PCB_EXPR_BUILTIN_FUNCTIONS::Instance();
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return registry.Get( aName.Lower() );
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}
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std::unique_ptr<LIBEVAL::VAR_REF> PCB_EXPR_UCODE::CreateVarRef( const wxString& aVar,
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const wxString& aField )
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{
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PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
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std::unique_ptr<PCB_EXPR_VAR_REF> vref;
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// Check for a couple of very common cases and compile them straight to "object code".
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if( aField.CmpNoCase( wxT( "NetClass" ) ) == 0 )
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{
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if( aVar == wxT( "A" ) )
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return std::make_unique<PCB_EXPR_NETCLASS_REF>( 0 );
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else if( aVar == wxT( "B" ) )
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return std::make_unique<PCB_EXPR_NETCLASS_REF>( 1 );
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else
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return nullptr;
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}
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else if( aField.CmpNoCase( wxT( "NetName" ) ) == 0 )
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{
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if( aVar == wxT( "A" ) )
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return std::make_unique<PCB_EXPR_NETNAME_REF>( 0 );
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else if( aVar == wxT( "B" ) )
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return std::make_unique<PCB_EXPR_NETNAME_REF>( 1 );
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else
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return nullptr;
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}
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else if( aField.CmpNoCase( wxT( "Type" ) ) == 0 )
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{
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if( aVar == wxT( "A" ) )
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return std::make_unique<PCB_EXPR_TYPE_REF>( 0 );
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else if( aVar == wxT( "B" ) )
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return std::make_unique<PCB_EXPR_TYPE_REF>( 1 );
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else
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return nullptr;
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}
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if( aVar == wxT( "A" ) || aVar == wxT( "AB" ) )
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vref = std::make_unique<PCB_EXPR_VAR_REF>( 0 );
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else if( aVar == wxT( "B" ) )
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vref = std::make_unique<PCB_EXPR_VAR_REF>( 1 );
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else if( aVar == wxT( "L" ) )
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vref = std::make_unique<PCB_EXPR_VAR_REF>( 2 );
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else
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return nullptr;
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if( aField.length() == 0 ) // return reference to base object
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{
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return std::move( vref );
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}
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wxString field( aField );
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field.Replace( wxT( "_" ), wxT( " " ) );
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for( const PROPERTY_MANAGER::CLASS_INFO& cls : propMgr.GetAllClasses() )
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{
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if( propMgr.IsOfType( cls.type, TYPE_HASH( BOARD_ITEM ) ) )
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{
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PROPERTY_BASE* prop = propMgr.GetProperty( cls.type, field );
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if( prop )
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{
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vref->AddAllowedClass( cls.type, prop );
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if( prop->TypeHash() == TYPE_HASH( int ) )
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{
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vref->SetType( LIBEVAL::VT_NUMERIC );
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}
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else if( prop->TypeHash() == TYPE_HASH( bool ) )
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{
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vref->SetType( LIBEVAL::VT_NUMERIC );
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}
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else if( prop->TypeHash() == TYPE_HASH( wxString ) )
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{
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vref->SetType( LIBEVAL::VT_STRING );
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}
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else if ( prop->HasChoices() )
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{ // it's an enum, we treat it as string
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vref->SetType( LIBEVAL::VT_STRING );
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vref->SetIsEnum ( true );
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}
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else
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{
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wxFAIL_MSG( wxT( "PCB_EXPR_UCODE::createVarRef: Unknown property type." ) );
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}
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}
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}
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}
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if( vref->GetType() == LIBEVAL::VT_UNDEFINED )
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vref->SetType( LIBEVAL::VT_PARSE_ERROR );
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return std::move( vref );
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}
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BOARD* PCB_EXPR_CONTEXT::GetBoard() const
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{
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if( m_items[0] )
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return m_items[0]->GetBoard();
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return nullptr;
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}
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/* --------------------------------------------------------------------------------------------
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* Unit Resolvers
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*/
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const std::vector<wxString>& PCB_UNIT_RESOLVER::GetSupportedUnits() const
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{
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static const std::vector<wxString> pcbUnits = { wxT( "mil" ), wxT( "mm" ), wxT( "in" ) };
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return pcbUnits;
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}
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wxString PCB_UNIT_RESOLVER::GetSupportedUnitsMessage() const
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{
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return _( "must be mm, in, or mil" );
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}
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double PCB_UNIT_RESOLVER::Convert( const wxString& aString, int unitId ) const
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{
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double v = wxAtof( aString );
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switch( unitId )
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{
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case 0: return EDA_UNIT_UTILS::UI::DoubleValueFromString( pcbIUScale, EDA_UNITS::MILS, aString );
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case 1: return EDA_UNIT_UTILS::UI::DoubleValueFromString( pcbIUScale, EDA_UNITS::MILLIMETRES, aString );
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case 2: return EDA_UNIT_UTILS::UI::DoubleValueFromString( pcbIUScale, EDA_UNITS::INCHES, aString );
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default: return v;
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}
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};
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const std::vector<wxString>& PCB_UNITLESS_RESOLVER::GetSupportedUnits() const
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{
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static const std::vector<wxString> emptyUnits;
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return emptyUnits;
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}
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double PCB_UNITLESS_RESOLVER::Convert( const wxString& aString, int unitId ) const
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{
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return wxAtof( aString );
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};
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PCB_EXPR_COMPILER::PCB_EXPR_COMPILER( LIBEVAL::UNIT_RESOLVER* aUnitResolver )
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{
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m_unitResolver.reset( aUnitResolver );
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}
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/* --------------------------------------------------------------------------------------------
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* PCB Expression Evaluator
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*/
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PCB_EXPR_EVALUATOR::PCB_EXPR_EVALUATOR( LIBEVAL::UNIT_RESOLVER* aUnitResolver ) :
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m_result( 0 ),
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m_compiler( aUnitResolver ),
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m_ucode(),
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m_errorStatus()
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{
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}
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PCB_EXPR_EVALUATOR::~PCB_EXPR_EVALUATOR()
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{
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}
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bool PCB_EXPR_EVALUATOR::Evaluate( const wxString& aExpr )
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{
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PCB_EXPR_UCODE ucode;
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PCB_EXPR_CONTEXT preflightContext( NULL_CONSTRAINT, F_Cu );
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if( !m_compiler.Compile( aExpr.ToUTF8().data(), &ucode, &preflightContext ) )
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return false;
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PCB_EXPR_CONTEXT evaluationContext( NULL_CONSTRAINT, F_Cu );
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LIBEVAL::VALUE* result = ucode.Run( &evaluationContext );
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if( result->GetType() == LIBEVAL::VT_NUMERIC )
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m_result = KiROUND( result->AsDouble() );
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return true;
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}
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