X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fperformer.cc;h=871367af158673b72d5ad22f0ab99c77128ee8e2;hb=7a2766a80beb907df0b291584c1a84b6b4fe4c4f;hp=7add5ba193149b478ba252f285cfe89032f66f30;hpb=474c8729dc274a30558102a015a01fa5882673db;p=lilypond.git

diff --git a/lily/performer.cc b/lily/performer.cc
index 7add5ba193..871367af15 100644
--- a/lily/performer.cc
+++ b/lily/performer.cc
@@ -1,13 +1,25 @@
 /*
-  performer.cc -- implement Performer
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
-
-  (c) 1996--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1996--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
   Jan Nieuwenhuizen <janneke@gnu.org>
+
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "context.hh"
+#include "performer.hh"
 #include "performer-group.hh"
 #include "warn.hh"
 
@@ -37,3 +49,9 @@ Performer::announce_element (Audio_element_info i)
 
   get_daddy_performer ()->announce_element (i);
 }
+
+Performer *
+unsmob_performer (SCM perf)
+{
+  return dynamic_cast<Performer *> (unsmob_translator (perf));
+}