285 lines
8.1 KiB
C++
285 lines
8.1 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 <boost/algorithm/string/case_conv.hpp>
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#include "class_board.h"
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#include "pcb_expr_evaluator.h"
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class PCB_EXPR_BUILTIN_FUNCTIONS
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{
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public:
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using FPTR = LIBEVAL::UCODE::FUNC_PTR;
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PCB_EXPR_BUILTIN_FUNCTIONS();
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static PCB_EXPR_BUILTIN_FUNCTIONS& Instance()
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{
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static PCB_EXPR_BUILTIN_FUNCTIONS self;
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return self;
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}
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std::string tolower( const std::string& str ) const
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{
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std::string rv;
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std::transform( str.begin(), str.end(), rv.begin(), ::tolower );
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return rv;
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}
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FPTR Get( const std::string &name ) const
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{
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auto it = m_funcs.find( name );
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if( it == m_funcs.end() )
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return nullptr;
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return it->second;
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}
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private:
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std::map<std::string, FPTR> m_funcs;
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static void onLayer( LIBEVAL::UCODE* aUcode, LIBEVAL::UCODE::CONTEXT* aCtx, void *self )
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{
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LIBEVAL::VALUE* arg = aCtx->Pop();
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PCB_EXPR_VAR_REF* vref = static_cast<PCB_EXPR_VAR_REF*>( self );
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PCB_LAYER_ID layer = ENUM_MAP<PCB_LAYER_ID>::Instance().ToEnum( arg->AsString() );
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BOARD_ITEM* item = vref->GetObject( aUcode );
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LIBEVAL::VALUE* rv = aCtx->AllocValue();
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rv->Set( item->IsOnLayer( layer ) ? 1.0 : 0.0 );
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aCtx->Push( rv );
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}
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static void isPlated( LIBEVAL::UCODE* aUcode, LIBEVAL::UCODE::CONTEXT* aCtx, void *self )
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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->GetObject( aUcode );
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bool result = false;
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if( item->Type() == PCB_PAD_T )
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{
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D_PAD* pad = static_cast<D_PAD*>( item );
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result = pad->GetAttribute() == PAD_ATTRIB_STANDARD;
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}
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LIBEVAL::VALUE* rv = aCtx->AllocValue();
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rv->Set( result ? 1.0 : 0.0 );
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aCtx->Push( rv );
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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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m_funcs[ "onlayer" ] = onLayer;
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m_funcs[ "isplated" ] = isPlated;
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}
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BOARD_ITEM* PCB_EXPR_VAR_REF::GetObject( LIBEVAL::UCODE* aUcode ) const
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{
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const PCB_EXPR_UCODE* ucode = static_cast<const PCB_EXPR_UCODE*>( aUcode );
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BOARD_ITEM* item = ucode->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::UCODE* aUcode )
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{
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BOARD_ITEM* item = const_cast<BOARD_ITEM*>( GetObject( aUcode ) );
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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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wxString msg;
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msg.Printf("property not found for item of type: 0x%x!\n", TYPE_HASH( *item ) );
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aUcode->RuntimeError( (const char *) msg.c_str() );
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return LIBEVAL::VALUE( 0.0 );
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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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//printf("item %p Get string '%s'\n", item, (const char*) it->second->Name().c_str() );
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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 auto& any = item->Get( it->second );
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any.GetAs<wxString>( &str );
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//printf("item %p get enum: '%s'\n", item , (const char*) str.c_str() );
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}
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return LIBEVAL::VALUE( (const char*) str.c_str() );
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}
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}
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}
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LIBEVAL::UCODE::FUNC_PTR PCB_EXPR_UCODE::createFuncCall( LIBEVAL::COMPILER* aCompiler,
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const std::string& name )
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{
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PCB_EXPR_BUILTIN_FUNCTIONS& registry = PCB_EXPR_BUILTIN_FUNCTIONS::Instance();
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auto f = registry.Get( boost::to_lower_copy( name ) );
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return f;
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}
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LIBEVAL::VAR_REF* PCB_EXPR_UCODE::createVarRef( LIBEVAL::COMPILER *aCompiler,
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const std::string& var, const std::string& field )
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{
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PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
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PCB_EXPR_VAR_REF* vref = nullptr;
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if( var == "A" )
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{
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vref = new PCB_EXPR_VAR_REF( 0 );
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}
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else if( var == "B" )
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{
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vref = new PCB_EXPR_VAR_REF( 1 );
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}
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else
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{
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aCompiler->ReportError( "var" );
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return vref;
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}
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if( field.empty() ) // return reference to base object
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return vref;
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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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//printf("Field '%s' class %s ptr %p haschoices %d typeid %s\n", field.c_str(), (const char *) cls.name.c_str(), prop, !!prop->HasChoices(), typeid(*prop).name() );
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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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(void) 0; // should we do anything here?
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//msg.Printf("Unrecognized type for property '%s'", field.c_str() );
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//aCompiler->ReportError( (const char*) msg.c_str() );
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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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aCompiler->ReportError( "field" );
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return 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<std::string>& GetSupportedUnits() const override
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{
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static const std::vector<std::string> pcbUnits = { "mil", "mm", "in" };
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return pcbUnits;
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}
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virtual double Convert( const std::string& aString, int unitId ) const override
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{
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double v = atof( aString.c_str() );
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switch( unitId )
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{
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case 0: return Mils2iu( v );
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case 1: return Millimeter2iu( v );
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case 2: return Mils2iu( v * 1000.0 );
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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.reset( new 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_error = false;
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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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if( !m_compiler.Compile( (const char*) aExpr.c_str(), &ucode ) )
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return false;
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auto result = ucode.Run();
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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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wxString PCB_EXPR_EVALUATOR::GetErrorString()
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{
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wxString errMsg;
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return errMsg;
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}
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