/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/CommonTools/Utils/src/ExpressionUnaryOperatorSetter.h

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#ifndef CommonTools_Utils_ExpressionUnaryOperatorSetter_h
#define CommonTools_Utils_ExpressionUnaryOperatorSetter_h
/* \class reco::parser::ExpressionUnaryOperator
 *
 * Unary Operator expression setter
 *
 * \author original version: Chris Jones, Cornell, 
 *         adapted by Luca Lista, INFN
 *
 * \version $Revision: 1.3 $
 *
 */
#include "CommonTools/Utils/src/ExpressionUnaryOperator.h"
#include "CommonTools/Utils/src/ExpressionStack.h"
#ifdef BOOST_SPIRIT_DEBUG 
#include <string>
#include <iostream>
#endif
namespace reco {
  namespace parser {

#ifdef BOOST_SPIRIT_DEBUG 
    template <typename Op> struct op1_out { static const std::string value; };
#endif

    template<typename Op>
    struct ExpressionUnaryOperatorSetter {
      ExpressionUnaryOperatorSetter(ExpressionStack & stack) : stack_(stack) { }
      void operator()(const char*, const char*) const {
#ifdef BOOST_SPIRIT_DEBUG 
        BOOST_SPIRIT_DEBUG_OUT << "pushing unary operator" << op1_out<Op>::value << std::endl;
#endif  
        stack_.push_back(ExpressionPtr(new ExpressionUnaryOperator<Op>(stack_)));
      }
    private:
      ExpressionStack & stack_;
    };
  }
}

#endif