# C++ skeleton for Bison
-# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010
-# Free Software Foundation, Inc.
+# Copyright (C) 2002-2007, 2009-2012 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
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-# We do want M4 expansion after # for CPP macros.
-m4_changecom()
-m4_divert_push(0)dnl
-@output(b4_dir_prefix[]position.hh@)@
+
+b4_output_begin([b4_dir_prefix[]position.hh])
b4_copyright([Positions for Bison parsers in C++],
- [2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010])[
+ [2002-2007, 2009-2012])[
/**
- ** \file position.hh
+ ** \file ]b4_dir_prefix[position.hh
** Define the ]b4_namespace_ref[::position class.
*/
-#ifndef BISON_POSITION_HH
-# define BISON_POSITION_HH
+]b4_cpp_guard_open([b4_dir_prefix[]position.hh])[
+# include <algorithm> // std::max
# include <iostream>
# include <string>
-# include <algorithm>
+
+]b4_null_define[
]b4_namespace_open[
/// Abstract a position.
class position
{
public:
-]m4_ifdef([b4_location_constructors], [
+]m4_ifdef([b4_location_constructors], [[
/// Construct a position.
- position ()
- : filename (0), line (]b4_location_initial_line[), column (]b4_location_initial_column[)
+ explicit position (]b4_percent_define_get([[filename_type]])[* f = YY_NULL,
+ unsigned int l = ]b4_location_initial_line[u,
+ unsigned int c = ]b4_location_initial_column[u)
+ : filename (f)
+ , line (l)
+ , column (c)
{
}
-])[
+]])[
/// Initialization.
- inline void initialize (]b4_percent_define_get([[filename_type]])[* fn)
+ void initialize (]b4_percent_define_get([[filename_type]])[* fn = YY_NULL,
+ unsigned int l = ]b4_location_initial_line[u,
+ unsigned int c = ]b4_location_initial_column[u)
{
filename = fn;
- line = ]b4_location_initial_line[;
- column = ]b4_location_initial_column[;
+ line = l;
+ column = c;
}
/** \name Line and Column related manipulators
** \{ */
- public:
/// (line related) Advance to the COUNT next lines.
- inline void lines (int count = 1)
+ void lines (int count = 1)
{
- column = ]b4_location_initial_column[;
+ column = ]b4_location_initial_column[u;
line += count;
}
/// (column related) Advance to the COUNT next columns.
- inline void columns (int count = 1)
+ void columns (int count = 1)
{
column = std::max (]b4_location_initial_column[u, column + count);
}
/** \} */
- public:
/// File name to which this position refers.
]b4_percent_define_get([[filename_type]])[* filename;
/// Current line number.
};
/// Add and assign a position.
- inline const position&
+ inline position&
operator+= (position& res, const int width)
{
res.columns (width);
}
/// Add and assign a position.
- inline const position&
+ inline position&
operator-= (position& res, const int width)
{
return res += -width;
** \param ostr the destination output stream
** \param pos a reference to the position to redirect
*/
- inline std::ostream&
- operator<< (std::ostream& ostr, const position& pos)
+ template <typename YYChar>
+ inline std::basic_ostream<YYChar>&
+ operator<< (std::basic_ostream<YYChar>& ostr, const position& pos)
{
if (pos.filename)
ostr << *pos.filename << ':';
}
]b4_namespace_close[
-#endif // not BISON_POSITION_HH]
-@output(b4_dir_prefix[]location.hh@)@
+]b4_cpp_guard_close([b4_dir_prefix[]position.hh])
+b4_output_end()
+
+
+b4_output_begin([b4_dir_prefix[]location.hh])
b4_copyright([Locations for Bison parsers in C++],
- [2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010])[
+ [2002-2007, 2009-2012])[
/**
- ** \file location.hh
+ ** \file ]b4_dir_prefix[location.hh
** Define the ]b4_namespace_ref[::location class.
*/
-#ifndef BISON_LOCATION_HH
-# define BISON_LOCATION_HH
+]b4_cpp_guard_open([b4_dir_prefix[]location.hh])[
-# include <iostream>
-# include <string>
# include "position.hh"
]b4_namespace_open[
{
public:
]m4_ifdef([b4_location_constructors], [
- /// Construct a location.
- location ()
- : begin (), end ()
+ /// 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 (]b4_percent_define_get([[filename_type]])[* f,
+ unsigned int l = ]b4_location_initial_line[u,
+ unsigned int c = ]b4_location_initial_column[u)
+ : begin (f, l, c)
+ , end (f, l, c)
{
}
])[
/// Initialization.
- inline void initialize (]b4_percent_define_get([[filename_type]])[* fn)
+ void initialize (]b4_percent_define_get([[filename_type]])[* f = YY_NULL,
+ unsigned int l = ]b4_location_initial_line[u,
+ unsigned int c = ]b4_location_initial_column[u)
{
- begin.initialize (fn);
+ begin.initialize (f, l, c);
end = begin;
}
** \{ */
public:
/// Reset initial location to final location.
- inline void step ()
+ void step ()
{
begin = end;
}
/// Extend the current location to the COUNT next columns.
- inline void columns (unsigned int count = 1)
+ void columns (unsigned int count = 1)
{
end += count;
}
/// Extend the current location to the COUNT next lines.
- inline void lines (unsigned int count = 1)
+ void lines (unsigned int count = 1)
{
end.lines (count);
}
**
** Avoid duplicate information.
*/
- inline std::ostream& operator<< (std::ostream& ostr, const location& loc)
+ template <typename YYChar>
+ inline std::basic_ostream<YYChar>&
+ operator<< (std::basic_ostream<YYChar>& ostr, const location& loc)
{
position last = loc.end - 1;
ostr << loc.begin;
]b4_namespace_close[
-#endif // not BISON_LOCATION_HH]
-m4_divert_pop(0)
-m4_changecom([#])
+]b4_cpp_guard_close([b4_dir_prefix[]location.hh])
+b4_output_end()
projects / bison.git / blobdiff