X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/193d7c7054ba7197b0789e14965b739162319b5e..429b4848d42f0a70b568e7927261a065d4134535:/data/location.cc
diff --git a/data/location.cc b/data/location.cc
index 6581b384..4b79069f 100644
--- a/data/location.cc
+++ b/data/location.cc
@@ -1,47 +1,31 @@
-m4_divert(-1)
-
# C++ skeleton for Bison
-# Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation,
+# Inc.
-# This program is free software; you can redistribute it and/or modify
+# 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
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
-
+#
# This program 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 this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301 USA
+# along with this program. If not, see .
# We do want M4 expansion after # for CPP macros.
m4_changecom()
-m4_divert(0)dnl
-@output b4_dir_prefix[]position.hh
+m4_divert_push(0)dnl
+@output(b4_dir_prefix[]position.hh@)
b4_copyright([Positions for Bison parsers in C++],
- [2002, 2003, 2004, 2005, 2006])
-[
-/* As a special exception, you may create a larger work that contains
- 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. */
+ [2002, 2003, 2004, 2005, 2006])[
/**
** \file position.hh
- ** Define the ]b4_namespace[::position class.
+ ** Define the ]b4_namespace_ref[::position class.
*/
#ifndef BISON_POSITION_HH
@@ -49,9 +33,9 @@ b4_copyright([Positions for Bison parsers in C++],
# include
# include
+# include
-namespace ]b4_namespace[
-{
+]b4_namespace_open[
/// Abstract a position.
class position
{
@@ -59,17 +43,17 @@ namespace ]b4_namespace[
]m4_ifdef([b4_location_constructors], [
/// Construct a position.
position ()
- : filename (0), line (1), column (0)
+ : filename (0), line (]b4_location_initial_line[), column (]b4_location_initial_column[)
{
}
])[
/// Initialization.
- inline void initialize (]b4_filename_type[* fn)
+ inline void initialize (]b4_percent_define_get([[filename_type]])[* fn)
{
filename = fn;
- line = 1;
- column = 0;
+ line = ]b4_location_initial_line[;
+ column = ]b4_location_initial_column[;
}
/** \name Line and Column related manipulators
@@ -78,25 +62,20 @@ namespace ]b4_namespace[
/// (line related) Advance to the COUNT next lines.
inline void lines (int count = 1)
{
- column = 0;
+ column = ]b4_location_initial_column[;
line += count;
}
/// (column related) Advance to the COUNT next columns.
inline void columns (int count = 1)
{
- int leftmost = 0;
- int current = column;
- if (leftmost <= current + count)
- column += count;
- else
- column = 0;
+ column = std::max (]b4_location_initial_column[u, column + count);
}
/** \} */
public:
/// File name to which this position refers.
- ]b4_filename_type[* filename;
+ ]b4_percent_define_get([[filename_type]])[* filename;
/// Current line number.
unsigned int line;
/// Current column number.
@@ -132,7 +111,24 @@ namespace ]b4_namespace[
{
return begin + -width;
}
+]b4_percent_define_flag_if([[define_location_comparison]], [[
+ /// Compare two position objects.
+ inline bool
+ operator== (const position& pos1, const position& pos2)
+ {
+ return
+ (pos1.filename == pos2.filename
+ || pos1.filename && pos2.filename && *pos1.filename == *pos2.filename)
+ && pos1.line == pos2.line && pos1.column == pos2.column;
+ }
+ /// Compare two position objects.
+ inline bool
+ operator!= (const position& pos1, const position& pos2)
+ {
+ return !(pos1 == pos2);
+ }
+]])[
/** \brief Intercept output stream redirection.
** \param ostr the destination output stream
** \param pos a reference to the position to redirect
@@ -145,28 +141,15 @@ namespace ]b4_namespace[
return ostr << pos.line << '.' << pos.column;
}
-}
+]b4_namespace_close[
#endif // not BISON_POSITION_HH]
-@output b4_dir_prefix[]location.hh
+@output(b4_dir_prefix[]location.hh@)
b4_copyright([Locations for Bison parsers in C++],
- [2002, 2003, 2004, 2005, 2006])
-[
-/* As a special exception, you may create a larger work that contains
- 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. */
+ [2002, 2003, 2004, 2005, 2006])[
/**
** \file location.hh
- ** Define the ]b4_namespace[::location class.
+ ** Define the ]b4_namespace_ref[::location class.
*/
#ifndef BISON_LOCATION_HH
@@ -176,8 +159,7 @@ b4_copyright([Locations for Bison parsers in C++],
# include
# include "position.hh"
-namespace ]b4_namespace[
-{
+]b4_namespace_open[
/// Abstract a location.
class location
@@ -192,7 +174,7 @@ namespace ]b4_namespace[
])[
/// Initialization.
- inline void initialize (]b4_filename_type[* fn)
+ inline void initialize (]b4_percent_define_get([[filename_type]])[* fn)
{
begin.initialize (fn);
end = begin;
@@ -250,7 +232,21 @@ namespace ]b4_namespace[
res.columns (width);
return res;
}
+]b4_percent_define_flag_if([[define_location_comparison]], [[
+ /// 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
@@ -272,8 +268,8 @@ namespace ]b4_namespace[
return ostr;
}
-}
+]b4_namespace_close[
#endif // not BISON_LOCATION_HH]
-m4_divert(-1)
+m4_divert_pop(0)
m4_changecom([#])