/* Named symbol references for Bison
- Copyright (C) 2009-2011 Free Software Foundation, Inc.
+ Copyright (C) 2009-2012 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
#ifndef NAMED_REF_H_
# define NAMED_REF_H_
-#include "location.h"
-#include "uniqstr.h"
+# include "location.h"
+# include "uniqstr.h"
/* Named reference object. Keeps information about
a symbolic name of a symbol in a rule. */
/* Allocate a named reference object. */
named_ref *named_ref_new (uniqstr id, location loc);
+/* Allocate and return a copy. */
+named_ref *named_ref_copy (const named_ref *r);
+
/* Free a named reference object. */
void named_ref_free (named_ref *r);