X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flistener.cc;h=4194c836184d388afb609b010f5b97ee086f4a96;hb=90d3233da87b372e02690978f89b2add3863fba6;hp=cb966adc9a9c20e5b4117b7412c7340ec0b2073a;hpb=f4abbfff5f0d985a457e15586dbcc3ae473b0dee;p=lilypond.git

diff --git a/lily/listener.cc b/lily/listener.cc
index cb966adc9a..4194c83618 100644
--- a/lily/listener.cc
+++ b/lily/listener.cc
@@ -18,9 +18,10 @@
 */
 
 #include "listener.hh"
-#include "ly-smobs.icc"
 #include "warn.hh"
 
+ADD_SMOB_INIT (Listener);
+
 Listener::Listener ()
 {
   target_ = 0;
@@ -45,21 +46,13 @@ void Listener::listen (SCM ev) const
 }
 
 SCM
-Listener::mark_smob (SCM sm)
+Listener::mark_smob ()
 {
-  Listener *me = (Listener *) SCM_CELL_WORD_1 (sm);
-  if (me->type_)
-    (me->type_->mark_callback) (me->target_);
+  if (type_)
+    (type_->mark_callback) (target_);
   return SCM_EOL;
 }
 
-int
-Listener::print_smob (SCM, SCM p, scm_print_state *)
-{
-  scm_puts ("#<Listener>", p);
-  return 1;
-}
-
 SCM
 Listener::equal_p (SCM a, SCM b)
 {
@@ -69,5 +62,4 @@ Listener::equal_p (SCM a, SCM b)
   return (*l1 == *l2) ? SCM_BOOL_T : SCM_BOOL_F;
 }
 
-IMPLEMENT_SIMPLE_SMOBS (Listener);
-IMPLEMENT_TYPE_P (Listener, "ly:listener?");
+const char Listener::type_p_name_[] = "ly:listener?";