yacc.c, glr.c: check and fix the display of locations

[bison.git] / data / location.cc

diff --git a/data/location.cc b/data/location.cc
index 0ee02c28bc938ee6a70bfa2758bf81b3712b0cac..49f5f349534d67d3d64c178e4e94728b7a50d5df 100644 (file)
--- a/data/location.cc
+++ b/data/location.cc
@@ -27,12 +27,11 @@ b4_copyright([Positions for Bison parsers in C++],
  ** 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[
 
@@ -88,7 +87,7 @@ b4_copyright([Positions for Bison parsers in C++],
   };
 
   /// Add and assign a position.
-  inline const position&
+  inline position&
   operator+= (position& res, const int width)
   {
     res.columns (width);
@@ -104,7 +103,7 @@ b4_copyright([Positions for Bison parsers in C++],
   }
 
   /// Add and assign a position.
-  inline const position&
+  inline position&
   operator-= (position& res, const int width)
   {
     return res += -width;
@@ -148,7 +147,7 @@ b4_copyright([Positions for Bison parsers in C++],
   }
 
 ]b4_namespace_close[
-#endif // not BISON_POSITION_HH]
+]b4_cpp_guard_close([b4_dir_prefix[]position.hh])
 @output(b4_dir_prefix[]location.hh@)@
 b4_copyright([Locations for Bison parsers in C++],
              [2002-2007, 2009-2012])[
@@ -158,11 +157,8 @@ b4_copyright([Locations for Bison parsers in C++],
  ** 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[
@@ -295,6 +291,6 @@ b4_copyright([Locations for Bison parsers in C++],
 
 ]b4_namespace_close[
 
-#endif // not BISON_LOCATION_HH]
+]b4_cpp_guard_close([b4_dir_prefix[]location.hh])
 m4_divert_pop(0)
 m4_changecom([#])