src/ct_common/file_parse/location.hh

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/* A Bison parser, made by GNU Bison 2.5.  */

/* Locations for Bison parsers in C++
   
      Copyright (C) 2002-2007, 2009-2011 Free Software Foundation, Inc.
   
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   it under the terms of the GNU General Public License as published by
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

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   part or all of the Bison parser skeleton and distribute that work
   under terms of your choice, so long as that work isn't itself a
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#ifndef BISON_LOCATION_HH
# define BISON_LOCATION_HH

# include <iostream>
# include <string>
# include "position.hh"


namespace yy {

/* Line 162 of location.cc  */
#line 50 "location.hh"

  class location
  {
  public:

    location ()
      : begin (), end ()
    {
    }


    inline void initialize (std::string* fn)
    {
      begin.initialize (fn);
      end = begin;
    }

  public:
    inline void step ()
    {
      begin = end;
    }

    inline void columns (unsigned int count = 1)
    {
      end += count;
    }

    inline void lines (unsigned int count = 1)
    {
      end.lines (count);
    }
  public:
    position begin;
    position end;
  };

  inline const location operator+ (const location& begin, const location& end)
  {
    location res = begin;
    res.end = end.end;
    return res;
  }

  inline const location operator+ (const location& begin, unsigned int width)
  {
    location res = begin;
    res.columns (width);
    return res;
  }

  inline location& operator+= (location& res, unsigned int width)
  {
    res.columns (width);
    return res;
  }

  inline bool
  operator== (const location& loc1, const location& loc2)
  {
    return loc1.begin == loc2.begin && loc1.end == loc2.end;
  }

  inline bool
  operator!= (const location& loc1, const location& loc2)
  {
    return !(loc1 == loc2);
  }

  inline std::ostream& operator<< (std::ostream& ostr, const location& loc)
  {
    position last = loc.end - 1;
    ostr << loc.begin;
    if (last.filename
        && (!loc.begin.filename
            || *loc.begin.filename != *last.filename))
      ostr << '-' << last;
    else if (loc.begin.line != last.line)
      ostr << '-' << last.line  << '.' << last.column;
    else if (loc.begin.column != last.column)
      ostr << '-' << last.column;
    return ostr;
  }


} // yy

/* Line 271 of location.cc  */
#line 163 "location.hh"

#endif // not BISON_LOCATION_HH