// A Bison parser, made by GNU Bison 3.0.2.
// Locations for Bison parsers in C++
// Copyright (C) 2002-2013 Free Software Foundation, Inc.
// 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
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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
// parser generator using the skeleton or a modified version thereof
// as a parser skeleton. Alternatively, if you modify or redistribute
// the parser skeleton itself, you may (at your option) remove this
// special exception, which will cause the skeleton and the resulting
// Bison output files to be licensed under the GNU General Public
// License without this special exception.
// This special exception was added by the Free Software Foundation in
// version 2.2 of Bison.
/**
** \file location.hh
** Define the yy::location class.
*/
#ifndef YY_YY_LOCATION_HH_INCLUDED
# define YY_YY_LOCATION_HH_INCLUDED
# include "position.hh"
namespace yy {
#line 46 "location.hh" // location.cc:291
/// Abstract a location.
class location
{
public:
/// Construct a location from \a b to \a e.
location (const position& b, const position& e)
: begin (b)
, end (e)
{
}
/// Construct a 0-width location in \a p.
explicit location (const position& p = position ())
: begin (p)
, end (p)
{
}
/// Construct a 0-width location in \a f, \a l, \a c.
explicit location (std::string* f,
unsigned int l = 1u,
unsigned int c = 1u)
: begin (f, l, c)
, end (f, l, c)
{
}
/// Initialization.
void initialize (std::string* f = YY_NULLPTR,
unsigned int l = 1u,
unsigned int c = 1u)
{
begin.initialize (f, l, c);
end = begin;
}
/** \name Line and Column related manipulators
** \{ */
public:
/// Reset initial location to final location.
void step ()
{
begin = end;
}
/// Extend the current location to the COUNT next columns.
void columns (int count = 1)
{
end += count;
}
/// Extend the current location to the COUNT next lines.
void lines (int count = 1)
{
end.lines (count);
}
/** \} */
public:
/// Beginning of the located region.
position begin;
/// End of the located region.
position end;
};
/// Join two location objects to create a location.
inline location operator+ (location res, const location& end)
{
res.end = end.end;
return res;
}
/// Change end position in place.
inline location& operator+= (location& res, int width)
{
res.columns (width);
return res;
}
/// Change end position.
inline location operator+ (location res, int width)
{
return res += width;
}
/// Change end position in place.
inline location& operator-= (location& res, int width)
{
return res += -width;
}
/// Change end position.
inline location operator- (const location& begin, int width)
{
return begin + -width;
}
/// Compare two location objects.
inline bool
operator== (const location& loc1, const location& loc2)
{
return loc1.begin == loc2.begin && loc1.end == loc2.end;
}
/// Compare two location objects.
inline bool
operator!= (const location& loc1, const location& loc2)
{
return !(loc1 == loc2);
}
/** \brief Intercept output stream redirection.
** \param ostr the destination output stream
** \param loc a reference to the location to redirect
**
** Avoid duplicate information.
*/
template <typename YYChar>
inline std::basic_ostream<YYChar>&
operator<< (std::basic_ostream<YYChar>& ostr, const location& loc)
{
unsigned int end_col = 0 < loc.end.column ? loc.end.column - 1 : 0;
ostr << loc.begin// << "(" << loc.end << ") "
;
if (loc.end.filename
&& (!loc.begin.filename
|| *loc.begin.filename != *loc.end.filename))
ostr << '-' << loc.end.filename << ':' << loc.end.line << '.' << end_col;
else if (loc.begin.line < loc.end.line)
ostr << '-' << loc.end.line << '.' << end_col;
else if (loc.begin.column < end_col)
ostr << '-' << end_col;
return ostr;
}
} // yy
#line 187 "location.hh" // location.cc:291
#endif // !YY_YY_LOCATION_HH_INCLUDED