// -*- mode: C++; c-indent-level: 4; c-basic-offset: 4; indent-tabs-mode: nil; -*-
//
// Formula.h: Rcpp R/C++ interface class library -- formula
//
// Copyright (C) 2010 - 2012 Dirk Eddelbuettel and Romain Francois
//
// This file is part of Rcpp.
//
// Rcpp 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.
//
// Rcpp 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 Rcpp.  If not, see <http://www.gnu.org/licenses/>.

#ifndef Rcpp__Formula_h
#define Rcpp__Formula_h

#include <RcppCommon.h>
#include <Rcpp/Language.h>

namespace Rcpp{ 

    class Formula : public Language {
    public:

        Formula() ;
        
        Formula(SEXP lang);

        Formula(const Formula& other) ;
        explicit Formula( const std::string& code ); 

        Formula& operator=(const Formula& other) ;
        
    private:
        void set_sexp(SEXP x) ;
        
    } ; 

} // namespace Rcpp

#endif
