X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Frelative-octave-music.cc;h=bf6116ab17036e8b69ab2c263053320662bf121a;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=5eadf5d3f22a11ae77a37f5a157b3097f2e8bedf;hpb=955f829883aa125b2b633b1e71f6256da5b773fa;p=lilypond.git

diff --git a/lily/relative-octave-music.cc b/lily/relative-octave-music.cc
index 5eadf5d3f2..bf6116ab17 100644
--- a/lily/relative-octave-music.cc
+++ b/lily/relative-octave-music.cc
@@ -1,42 +1,49 @@
-/*   
-  relative-music.cc --  implement Relative_octave_music
-  
+/*
+  relative-music.cc -- implement Relative_octave_music
+
   source file of the GNU LilyPond music typesetter
-  
-  (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
-#include "relative-music.hh"
+
+  (c) 1998--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
+
+#include "music.hh"
 #include "warn.hh"
-#include "scm-option.hh"
+#include "program-option.hh"
 
+class Relative_octave_music
+{
+public:
+  DECLARE_SCHEME_CALLBACK (relative_callback, (SCM, SCM));
+  DECLARE_SCHEME_CALLBACK (no_relative_callback, (SCM, SCM));
+};
+
+MAKE_SCHEME_CALLBACK (Relative_octave_music, no_relative_callback, 2)
+  SCM
+Relative_octave_music::no_relative_callback (SCM music, SCM pitch)
+{
+  (void)music;
+  return pitch;
+}
 
-Pitch
-Relative_octave_music::to_relative_octave (Pitch p)
+MAKE_SCHEME_CALLBACK (Relative_octave_music, relative_callback, 2)
+  SCM
+Relative_octave_music::relative_callback (SCM music, SCM pitch)
 {
+  Music *me = unsmob_music (music);
   if (lily_1_8_relative)
     {
       lily_1_8_compatibility_used = true;
-      /*
-	ugh: last-pitch should  be junked.
-
-	Change this for lilypond 2.0. When you do,
-	then B should start where A left off.
+      /*  last-pitch should be junked some time, when
+	  we ditch 1.8 compat too.
 
-	\relative { A \relative { ...} B }
+	  When you do, B should start where A left off.
 
-      */
-      return * unsmob_pitch (get_mus_property ("last-pitch"));
+	  \relative { A \relative { ...} B }  */
+      SCM last_pitch = me->get_property ("last-pitch");
+      Pitch *ptr = unsmob_pitch (last_pitch);
+      return (ptr) ? last_pitch : pitch;
     }
   else
-    return p;
+    return pitch;
 }
 
-
-Relative_octave_music::Relative_octave_music ()
-{
-}
-
-ADD_MUSIC (Relative_octave_music);
-
-