X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fscheme-listener.cc;h=9df6960bdf0e2af166ba7e764b28874caf20045b;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=80c43dfbc023250543eb978af0811d8fb154ced0;hpb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;p=lilypond.git

diff --git a/lily/scheme-listener.cc b/lily/scheme-listener.cc
index 80c43dfbc0..9df6960bdf 100644
--- a/lily/scheme-listener.cc
+++ b/lily/scheme-listener.cc
@@ -1,9 +1,20 @@
 /*
-  scheme-listener.cc -- Implement Scheme_listener
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2006--2015 Erik Sandberg  <mandolaerik@gmail.com>
 
-  (c) 2006--2008 Erik Sandberg  <mandolaerik@gmail.com>
+  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 "scheme-listener.hh"
@@ -15,30 +26,25 @@ Scheme_listener::call (SCM ev)
   scm_call_1 (callback_, ev);
 }
 
-IMPLEMENT_SMOBS (Scheme_listener);
-IMPLEMENT_DEFAULT_EQUAL_P (Scheme_listener);
 
 Scheme_listener::Scheme_listener (SCM c)
 {
   callback_ = SCM_EOL;
-  self_scm_ = SCM_EOL;
   smobify_self ();
-  callback_ = c; 
+  callback_ = c;
 }
 
 SCM
-Scheme_listener::mark_smob (SCM obj)
+Scheme_listener::mark_smob ()
 {
-  Scheme_listener *me = (Scheme_listener *) SCM_CELL_WORD_1 (obj);
-  return me->callback_;
+  return callback_;
 }
 
 int
-Scheme_listener::print_smob (SCM obj, SCM p, scm_print_state*)
+Scheme_listener::print_smob (SCM p, scm_print_state *)
 {
-  Scheme_listener *me = (Scheme_listener *) SCM_CELL_WORD_1 (obj);
   scm_puts ("#<Scheme_listener ", p);
-  scm_write (me->callback_, p);
+  scm_write (callback_, p);
   scm_puts (">", p);
   return 1;
 }