java: fix location handling bug.

Reported at
<http://lists.gnu.org/archive/html/bison-patches/2011-02/msg00005.html>.
* data/lalr1.java (YYParser::yylloc): For non-empty RHS, fix
reversed access to location stack.
* THANKS (Bernd Kiefer): Add.

ChangeLog

@@ -1,3 +1,12 @@
+2011-02-19  Bernd Kiefer  <[email protected]>  (tiny change)
+
+	java: fix location handling bug.
+	Reported at
+	<http://lists.gnu.org/archive/html/bison-patches/2011-02/msg00005.html>.
+	* data/lalr1.java (YYParser::yylloc): For non-empty RHS, fix
+	reversed access to location stack.
+	* THANKS (Bernd Kiefer): Add.
+
 2010-05-11  Akim Demaille  <[email protected]>
 
 	doc: please Emacs.

THANKS

@@ -13,6 +13,7 @@ Arnold Robbins            [email protected]
 Art Haas                  [email protected]
 Baron Schwartz            [email protected]
 Benoit Perrot             [email protected]
+Bernd Kiefer              [email protected]
 Bert Deknuydt             [email protected]
 Bill Allombert            [email protected]
 Bob Rossi                 [email protected]

data/lalr1.java

@@ -102,7 +102,7 @@ b4_token_enums(b4_tokens)
   private ]b4_location_type[ yylloc (YYStack rhs, int n)
   {
     if (n > 0)
-      return new ]b4_location_type[ (rhs.locationAt (1).begin, rhs.locationAt (n).end);
+      return new ]b4_location_type[ (rhs.locationAt (n-1).begin, rhs.locationAt (0).end);
     else
       return new ]b4_location_type[ (rhs.locationAt (0).end);
   }]])[