c++: remove now-useless operators

[bison.git] / data / location.cc

diff --git a/data/location.cc b/data/location.cc
index cfbfd76b196977d094be3eb3df0ae3f1bf60dd2d..987843b26cd55e9a7a51850dbedc6d1a185d8597 100644 (file)
--- a/data/location.cc
+++ b/data/location.cc
@@ -1,6 +1,6 @@
 # C++ skeleton for Bison
 
 # C++ skeleton for Bison
 

-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# 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
 
 # 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


@@ -16,29 +16,13 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 m4_pushdef([b4_copyright_years],
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 m4_pushdef([b4_copyright_years],

-           [2002-2012])
+           [2002-2013])

 
 

-# We do want M4 expansion after # for CPP macros.
-m4_changecom()
-m4_divert_push(0)dnl
-@output(b4_dir_prefix[]position.hh@)@
-b4_copyright([Positions for Bison parsers in C++])[
-
-/**
- ** \file ]b4_dir_prefix[position.hh
- ** Define the ]b4_namespace_ref[::position class.
- */
-
-]b4_cpp_guard_open([b4_dir_prefix[]position.hh])[
-
-# include <algorithm> // std::max
-# include <iosfwd>
-# include <string>
-
-]b4_null_define[
-
-]b4_namespace_open[
-  /// Abstract a position.
+# b4_position_define
+# ------------------
+# Define class position.
+m4_define([b4_position_define],
+[[  /// Abstract a position.

   class position
   {
   public:
   class position
   {
   public:


@@ -89,7 +73,7 @@ b4_copyright([Positions for Bison parsers in C++])[
   };
 
   /// Add and assign a position.
   };
 
   /// Add and assign a position.

-  inline const position&
+  inline position&

   operator+= (position& res, const int width)
   {
     res.columns (width);
   operator+= (position& res, const int width)
   {
     res.columns (width);


@@ -105,7 +89,7 @@ b4_copyright([Positions for Bison parsers in C++])[
   }
 
   /// Add and assign a position.
   }
 
   /// Add and assign a position.

-  inline const position&
+  inline position&

   operator-= (position& res, const int width)
   {
     return res += -width;
   operator-= (position& res, const int width)
   {
     return res += -width;


@@ -140,33 +124,21 @@ b4_copyright([Positions for Bison parsers in C++])[
    ** \param ostr the destination output stream
    ** \param pos a reference to the position to redirect
    */
    ** \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 << ':';
     return ostr << pos.line << '.' << pos.column;
   }
   {
     if (pos.filename)
       ostr << *pos.filename << ':';
     return ostr << pos.line << '.' << pos.column;
   }

+]])

 
 

-]b4_namespace_close[
-]b4_cpp_guard_close([b4_dir_prefix[]position.hh])
-@output(b4_dir_prefix[]location.hh@)@
-b4_copyright([Locations for Bison parsers in C++])[
-
-/**
- ** \file ]b4_dir_prefix[location.hh
- ** Define the ]b4_namespace_ref[::location class.
- */
-
-]b4_cpp_guard_open([b4_dir_prefix[]location.hh])[

 
 

-# include <iostream>
-# include <string>
-# include "position.hh"
-
-]b4_namespace_open[
-
-  /// Abstract a location.
+# b4_location_define
+# ------------------
+m4_define([b4_location_define],
+[[  /// Abstract a location.

   class location
   {
   public:
   class location
   {
   public:


@@ -277,24 +249,68 @@ b4_copyright([Locations for Bison parsers in C++])[
    **
    ** Avoid duplicate information.
    */
    **
    ** 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;
-    if (last.filename
+    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.begin.filename != *last.filename))
-      ostr << '-' << last;
-    else if (loc.begin.line != last.line)
-      ostr << '-' << last.line  << '.' << last.column;
-    else if (loc.begin.column != last.column)
-      ostr << '-' << last.column;
+            || *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;
   }
     return ostr;
   }

+]])

 
 

+
+b4_defines_if([
+b4_output_begin([b4_dir_prefix[]position.hh])
+b4_copyright([Positions for Bison parsers in C++])[
+
+/**
+ ** \file ]b4_dir_prefix[position.hh
+ ** Define the ]b4_namespace_ref[::position class.
+ */
+
+]b4_cpp_guard_open([b4_dir_prefix[]position.hh])[
+
+# include <algorithm> // std::max
+# include <iostream>
+# include <string>
+
+]b4_null_define[
+
+]b4_namespace_open[
+]b4_position_define[

 ]b4_namespace_close[
 ]b4_namespace_close[

+]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++])[
+
+/**
+ ** \file ]b4_dir_prefix[location.hh
+ ** Define the ]b4_namespace_ref[::location class.
+ */
+
+]b4_cpp_guard_open([b4_dir_prefix[]location.hh])[
+
+# include "position.hh"
+
+]b4_namespace_open[
+]b4_location_define[
+]b4_namespace_close[

 ]b4_cpp_guard_close([b4_dir_prefix[]location.hh])
 ]b4_cpp_guard_close([b4_dir_prefix[]location.hh])

-m4_divert_pop(0)
-m4_popdef([b4_copyright_years])dnl
-m4_changecom([#])
+b4_output_end()
+])
+
+
+m4_popdef([b4_copyright_years])