Add regtest for Fix for #435.

[lilypond.git] / lily / music-output.cc

diff --git a/lily/music-output.cc b/lily/music-output.cc
index 67b95303e4ca76a6664c9da5be95a12512a374e2..ee8cbc1522f5a9b882f3323b3d3a961023467981 100644 (file)
--- a/lily/music-output.cc
+++ b/lily/music-output.cc
@@ -1,25 +1,54 @@
-/* 
+/*
   music-output.cc --  implement Music_output
-  
+
   source file of the GNU LilyPond music typesetter
-  
-  (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
-  
+
+  (c) 2005--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
-#include "music-output.hh" 
+#include "music-output.hh"
 
-/*
-  Just stubs.
- */
-SCM
+#include "ly-smobs.icc"
+
+Music_output::Music_output ()
+{
+  smobify_self ();
+}
+
+void
 Music_output::process ()
 {
-  return SCM_EOL;
 }
 
 Music_output::~Music_output ()
 {
-  
 }
-  
+
+void
+Music_output::derived_mark () const
+{
+}
+
+IMPLEMENT_SMOBS (Music_output);
+IMPLEMENT_DEFAULT_EQUAL_P (Music_output);
+IMPLEMENT_TYPE_P (Music_output, "ly:music-output?");
+
+SCM
+Music_output::mark_smob (SCM s)
+{
+  Music_output *sc = (Music_output *) SCM_CELL_WORD_1 (s);
+
+  sc->derived_mark ();
+  return SCM_EOL;
+}
+
+int
+Music_output::print_smob (SCM s, SCM p, scm_print_state*)
+{
+  Music_output *sc = (Music_output *) SCM_CELL_WORD_1 (s);
+  scm_puts ("#<", p);
+  scm_puts (sc->class_name (), p);
+  scm_puts (">", p);
+
+  return 1;
+}