/*
Copyright (C) 2005 Joseph L. Chuma, TRIUMF

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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
#ifndef OPR_UNION
#define OPR_UNION

#include "ArrayOperator.h"
 
class OPR_union : public ArrayOperator
{
public:
  static OPR_union *Instance()
  {
    if( !opr_union_ )opr_union_ = new OPR_union();
    return opr_union_;
  }
  
  void ProcessOperand( bool, int, ExprCodes *,
                       std::deque<ExprCodes*> &, int &, int & );
  void CalcOperand( bool, int, int *, Workspace * );
  void ArrayEval( Workspace * );
  
private:
  OPR_union() : ArrayOperator( wxT("/|"), 0, 9 )
  {}
  
  static OPR_union *opr_union_;
};

#endif
