402 lines
11 KiB
C++
402 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) 2019-2020 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 <reporter.h>
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#include <class_board.h>
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#include <pcb_expr_evaluator.h>
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static void onLayer( LIBEVAL::CONTEXT* aCtx, void *self )
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{
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LIBEVAL::VALUE* arg = aCtx->Pop();
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LIBEVAL::VALUE* result = aCtx->AllocValue();
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result->Set( 0.0 );
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aCtx->Push( result );
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if( !arg )
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{
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aCtx->ReportError( wxString::Format( _( "Missing argument to '%s'" ),
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wxT( "onLayer()" ) ) );
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return;
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}
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wxString layerName = arg->AsString();
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PCB_LAYER_ID layer = ENUM_MAP<PCB_LAYER_ID>::Instance().ToEnum( layerName );
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if( layer == UNDEFINED_LAYER )
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{
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aCtx->ReportError( wxString::Format( _( "Unrecognized layer '%s' " ), layerName ) );
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return;
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}
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PCB_EXPR_VAR_REF* vref = static_cast<PCB_EXPR_VAR_REF*>( self );
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BOARD_ITEM* item = vref ? vref->GetObject( aCtx ) : nullptr;
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if( item && item->IsOnLayer( layer ) )
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result->Set( 1.0 );
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}
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static void isPlated( LIBEVAL::CONTEXT* aCtx, void* self )
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{
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LIBEVAL::VALUE* result = aCtx->AllocValue();
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result->Set( 0.0 );
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aCtx->Push( result );
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PCB_EXPR_VAR_REF* vref = static_cast<PCB_EXPR_VAR_REF*>( self );
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BOARD_ITEM* item = vref ? vref->GetObject( aCtx ) : nullptr;
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D_PAD* pad = dynamic_cast<D_PAD*>( item );
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if( pad && pad->GetAttribute() == PAD_ATTRIB_STANDARD )
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result->Set( 1.0 );
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}
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static void insideCourtyard( LIBEVAL::CONTEXT* aCtx, void* self )
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{
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PCB_EXPR_CONTEXT* context = static_cast<PCB_EXPR_CONTEXT*>( aCtx );
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LIBEVAL::VALUE* arg = aCtx->Pop();
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LIBEVAL::VALUE* result = aCtx->AllocValue();
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result->Set( 0.0 );
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aCtx->Push( result );
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if( !arg )
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{
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aCtx->ReportError( wxString::Format( _( "Missing argument to '%s'" ),
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wxT( "insideCourtyard()" ) ) );
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return;
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}
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PCB_EXPR_VAR_REF* vref = static_cast<PCB_EXPR_VAR_REF*>( self );
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BOARD_ITEM* item = vref ? vref->GetObject( aCtx ) : nullptr;
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MODULE* footprint = nullptr;
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if( !item )
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return;
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if( arg->AsString() == "A" )
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{
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footprint = dynamic_cast<MODULE*>( context->GetItem( 0 ) );
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}
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else if( arg->AsString() == "B" )
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{
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footprint = dynamic_cast<MODULE*>( context->GetItem( 1 ) );
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}
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else
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{
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for( MODULE* candidate : item->GetBoard()->Modules() )
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{
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if( candidate->GetReference().Matches( arg->AsString() ) )
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{
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footprint = candidate;
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break;
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}
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}
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}
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if( footprint )
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{
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SHAPE_POLY_SET footprintCourtyard;
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if( footprint->IsFlipped() )
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footprintCourtyard = footprint->GetPolyCourtyardBack();
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else
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footprintCourtyard = footprint->GetPolyCourtyardFront();
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SHAPE_POLY_SET testPoly;
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item->TransformShapeWithClearanceToPolygon( testPoly, context->GetLayer(), 0 );
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testPoly.BooleanIntersection( footprintCourtyard, SHAPE_POLY_SET::PM_FAST );
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if( testPoly.OutlineCount() )
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result->Set( 1.0 );
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}
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}
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static void insideArea( LIBEVAL::CONTEXT* aCtx, void* self )
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{
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PCB_EXPR_CONTEXT* context = static_cast<PCB_EXPR_CONTEXT*>( aCtx );
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LIBEVAL::VALUE* arg = aCtx->Pop();
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LIBEVAL::VALUE* result = aCtx->AllocValue();
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result->Set( 0.0 );
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aCtx->Push( result );
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if( !arg )
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{
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aCtx->ReportError( wxString::Format( _( "Missing argument to '%s'" ),
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wxT( "insideArea()" ) ) );
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return;
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}
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PCB_EXPR_VAR_REF* vref = static_cast<PCB_EXPR_VAR_REF*>( self );
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BOARD_ITEM* item = vref ? vref->GetObject( aCtx ) : nullptr;
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ZONE_CONTAINER* zone = nullptr;
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if( !item )
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return;
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if( arg->AsString() == "A" )
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{
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zone = dynamic_cast<ZONE_CONTAINER*>( context->GetItem( 0 ) );
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}
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else if( arg->AsString() == "B" )
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{
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zone = dynamic_cast<ZONE_CONTAINER*>( context->GetItem( 1 ) );
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}
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else
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{
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for( ZONE_CONTAINER* candidate : item->GetBoard()->Zones() )
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{
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if( candidate->GetZoneName().Matches( arg->AsString() ) )
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{
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zone = candidate;
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break;
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}
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}
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}
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if( zone )
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{
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const SHAPE_POLY_SET* zonePoly;
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SHAPE_POLY_SET testPoly;
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// Do a layer-specific test if we can; otherwise a general outline test
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if( zone->GetLayerSet().test( context->GetLayer() ) )
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zonePoly = &zone->GetFilledPolysList( context->GetLayer() );
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else
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zonePoly = zone->Outline();
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item->TransformShapeWithClearanceToPolygon( testPoly, context->GetLayer(), 0 );
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testPoly.BooleanIntersection( *zonePoly, SHAPE_POLY_SET::PM_FAST );
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if( testPoly.OutlineCount() )
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result->Set( 1.0 );
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}
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}
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PCB_EXPR_BUILTIN_FUNCTIONS::PCB_EXPR_BUILTIN_FUNCTIONS()
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{
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auto registerFunc = [&]( const wxString& funcSignature, LIBEVAL::FUNC_CALL_REF funcPtr )
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{
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wxString funcName = funcSignature.BeforeFirst( '(' );
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m_funcs[ std::string( funcName.Lower() ) ] = std::move( funcPtr );
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m_funcSigs.Add( funcSignature );
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};
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registerFunc( "onLayer('x')", onLayer );
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registerFunc( "isPlated()", isPlated );
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registerFunc( "insideCourtyard('x')", insideCourtyard );
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registerFunc( "insideArea('x')", insideArea );
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}
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BOARD_ITEM* PCB_EXPR_VAR_REF::GetObject( LIBEVAL::CONTEXT* aCtx ) const
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{
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wxASSERT( dynamic_cast<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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LIBEVAL::VALUE PCB_EXPR_VAR_REF::GetValue( LIBEVAL::CONTEXT* aCtx )
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{
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BOARD_ITEM* item = const_cast<BOARD_ITEM*>( GetObject( aCtx ) );
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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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// simplier "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 LIBEVAL::VALUE( "UNDEFINED" );
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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 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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}
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else
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{
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const wxAny& any = item->Get( it->second );
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any.GetAs<wxString>( &str );
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}
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return LIBEVAL::VALUE( str );
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}
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}
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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, 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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if( aVar == "A" )
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{
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vref.reset( new PCB_EXPR_VAR_REF( 0 ) );
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}
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else if( aVar == "B" )
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{
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vref.reset( new PCB_EXPR_VAR_REF( 1 ) );
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}
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else
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{
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return nullptr;
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}
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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( "_", " " );
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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( 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( "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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class PCB_UNIT_RESOLVER : public LIBEVAL::UNIT_RESOLVER
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{
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public:
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virtual ~PCB_UNIT_RESOLVER()
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{
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}
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virtual const std::vector<wxString>& GetSupportedUnits() const override
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{
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static const std::vector<wxString> pcbUnits = { "mil", "mm", "in" };
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return pcbUnits;
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}
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virtual double Convert( const wxString& aString, int unitId ) const override
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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 DoubleValueFromString( EDA_UNITS::INCHES, aString, true );
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case 1: return DoubleValueFromString( EDA_UNITS::MILLIMETRES, aString );
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case 2: return DoubleValueFromString( EDA_UNITS::INCHES, aString, false );
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default: return v;
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}
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};
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};
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PCB_EXPR_COMPILER::PCB_EXPR_COMPILER()
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{
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m_unitResolver = std::make_unique<PCB_UNIT_RESOLVER>();
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}
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PCB_EXPR_EVALUATOR::PCB_EXPR_EVALUATOR()
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{
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m_result = 0;
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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( F_Cu );
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m_compiler.Compile( aExpr.ToUTF8().data(), &ucode, &preflightContext );
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PCB_EXPR_CONTEXT evaluationContext( 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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