package: bump to 2014

[bison.git] / data / stack.hh

diff --git a/data/stack.hh b/data/stack.hh
index 7ed55606bb0c4219de50180193187bdce7f552c2..5bc7f65642bca0ef47ef5a39023cde19615a3a48 100644 (file)
--- a/data/stack.hh
+++ b/data/stack.hh
@@ -1,6 +1,6 @@
 # C++ skeleton for Bison
 
-# Copyright (C) 2002-2013 Free Software Foundation, Inc.
+# Copyright (C) 2002-2014 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
@@ -16,7 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 m4_pushdef([b4_copyright_years],
-           [2002-2013])
+           [2002-2014])
 
 # b4_stack_define
 # ---------------
@@ -53,11 +53,15 @@ m4_define([b4_stack_define],
       return seq_[seq_.size () - 1 - i];
     }
 
+    /// Steal the contents of \a t.
+    ///
+    /// Close to move-semantics.
     inline
     void
-    push (const T& t)
+    push (T& t)
     {
-      seq_.push_back (t);
+      seq_.push_back (T());
+      operator[](0).move (t);
     }
 
     inline
@@ -68,6 +72,12 @@ m4_define([b4_stack_define],
         seq_.pop_back ();
     }
 
+    void
+    clear ()
+    {
+      seq_.clear ();
+    }
+
     inline
     typename S::size_type
     size () const
@@ -90,6 +100,8 @@ m4_define([b4_stack_define],
     }
 
   private:
+    stack (const stack&);
+    stack& operator= (const stack&);
     /// The wrapped container.
     S seq_;
   };