X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Frelative-octave-music.cc;h=94f566357c5cf5eeb9831ade241834b77e76514d;hb=6e99d79145c093c931838c1a8c2f447cb6d5660a;hp=15c9c54566945626afad332e67501100e3069d49;hpb=237583408aaf3b2192c388c3183d9c57fb051bd0;p=lilypond.git

diff --git a/lily/relative-octave-music.cc b/lily/relative-octave-music.cc
index 15c9c54566..94f566357c 100644
--- a/lily/relative-octave-music.cc
+++ b/lily/relative-octave-music.cc
@@ -1,41 +1,60 @@
-/*   
-  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"
-#include "warn.hh"
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 1998--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+  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 "music.hh"
+#include "warn.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)
+{
+  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)
     {
-      
-  /*
-    ugh: last-pitch should  be junked.
+      lily_1_8_compatibility_used = true;
+      /*  last-pitch should be junked some time, when
+          we ditch 1.8 compat too.
 
-    Change this for lilypond 2.0. When you do,
-    then B should start where A left off.
+          When you do, B should start where A left off.
 
-    \relative { A \relative { ...} B }
-
-  */
-      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;
-}
-
-
-Relative_octave_music::Relative_octave_music ()
-{
+    return pitch;
 }
 
-ADD_MUSIC (Relative_octave_music);