X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/31b2b07ef765e9e8734ca273308094804fcc9763..f3a4495d67a3c6692c963c7a7dcd46fd6bdafb7b:/data/location.cc

diff --git a/data/location.cc b/data/location.cc
index 156115ca..4b79069f 100644
--- a/data/location.cc
+++ b/data/location.cc
@@ -1,34 +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 <http://www.gnu.org/licenses/>.
 
 # 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])[
 
 /**
  ** \file position.hh
- ** Define the ]b4_namespace[::position class.
+ ** Define the ]b4_namespace_ref[::position class.
  */
 
 #ifndef BISON_POSITION_HH
@@ -36,9 +33,9 @@ b4_copyright([Positions for Bison parsers in C++],
 
 # include <iostream>
 # include <string>
+# include <algorithm>
 
-namespace ]b4_namespace[
-{
+]b4_namespace_open[
   /// Abstract a position.
   class position
   {
@@ -46,17 +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
@@ -65,25 +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.
@@ -119,7 +111,7 @@ namespace ]b4_namespace[
   {
     return begin + -width;
   }
-]m4_if(b4_define_location_comparison, [1], [[
+]b4_percent_define_flag_if([[define_location_comparison]], [[
   /// Compare two position objects.
   inline bool
   operator== (const position& pos1, const position& pos2)
@@ -149,15 +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])[
 
 /**
  ** \file location.hh
- ** Define the ]b4_namespace[::location class.
+ ** Define the ]b4_namespace_ref[::location class.
  */
 
 #ifndef BISON_LOCATION_HH
@@ -167,8 +159,7 @@ b4_copyright([Locations for Bison parsers in C++],
 # include <string>
 # include "position.hh"
 
-namespace ]b4_namespace[
-{
+]b4_namespace_open[
 
   /// Abstract a location.
   class location
@@ -183,7 +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;
@@ -241,7 +232,7 @@ namespace ]b4_namespace[
     res.columns (width);
     return res;
   }
-]m4_if(b4_define_location_comparison, [1], [[
+]b4_percent_define_flag_if([[define_location_comparison]], [[
   /// Compare two location objects.
   inline bool
   operator== (const location& loc1, const location& loc2)
@@ -277,8 +268,8 @@ namespace ]b4_namespace[
     return ostr;
   }
 
-}
+]b4_namespace_close[
 
 #endif // not BISON_LOCATION_HH]
-m4_divert(-1)
+m4_divert_pop(0)
 m4_changecom([#])