2003 -> 2004

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

diff --git a/lily/music-sequence.cc b/lily/music-sequence.cc
index b7e0e5695498090f7a27da241857dea3fa6cfa14..3848a3708bea82c53b7b56d34496995a9d8dc112 100644 (file)
--- a/lily/music-sequence.cc
+++ b/lily/music-sequence.cc
@@ -3,13 +3,13 @@
   
   source file of the GNU LilyPond music typesetter
   
-  (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 #include "music-list.hh"
-#include "debug.hh"
+#include "warn.hh"
 #include "pitch.hh"
-
+#include "input.hh"
 
 SCM
 Music_sequence::music_list ()const
@@ -28,19 +28,13 @@ Music_sequence::append_music (Music *m)
   scm_gc_unprotect_object (m->self_scm ());
 }
 
-Music_sequence::Music_sequence (SCM l)
-  : Music (l)
-{
-}
-
-void
-Music_sequence::transpose (Pitch rq)
+Music_sequence::Music_sequence ( )
+  : Music ()
 {
-  transpose_list (music_list (), rq);
 }
 
 void
-Music_sequence::transpose_list (SCM l,  Pitch rq)
+transpose_music_list (SCM l,  Pitch rq)
 {
   for (SCM s = l; gh_pair_p (s);  s = ly_cdr (s))
     unsmob_music (ly_car (s))->transpose (rq);    
@@ -54,7 +48,7 @@ Music_sequence::cumulative_length (SCM l)
 
   for (SCM s = l; gh_pair_p (s);  s = ly_cdr (s))
     {
-      Moment l = unsmob_music (ly_car (s))->length_mom ();
+      Moment l = unsmob_music (ly_car (s))->get_length ();
       if (last_len.grace_part_ && l.main_part_)
        {
          last_len.grace_part_ = Rational (0);
@@ -69,13 +63,6 @@ Music_sequence::cumulative_length (SCM l)
   return  cumulative;
 }
 
-Pitch
-Music_sequence::to_relative_octave (Pitch p)
-{
-  return do_relative_octave (p, false);
-}
-
-
 Moment
 Music_sequence::maximum_length (SCM l)
 {
@@ -83,42 +70,36 @@ Music_sequence::maximum_length (SCM l)
   for (SCM s = l; gh_pair_p (s);  s = ly_cdr (s))
     {
       Music * m = unsmob_music (ly_car (s));
-      Moment l = m->length_mom ();
+      Moment l = m->get_length ();
       dur = dur >? l;
     }
 
   return dur;
 }
 
-
 Pitch
-Music_sequence::do_relative_octave (Pitch p, bool ret_first)
+music_list_to_relative (SCM l,Pitch p, bool ret_first)
 {
-  Pitch retval;
+  Pitch first = p;
   int count=0;
 
   Pitch last = p;
-  for (SCM s = music_list (); gh_pair_p (s);  s = ly_cdr (s))
+  for (SCM s = l; gh_pair_p (s);  s = ly_cdr (s))
     {
-      last = unsmob_music (ly_car (s))->to_relative_octave (last);
-      if (!count ++)
-       retval = last;
+      if (Music *m = unsmob_music (ly_car (s)))
+       {
+         last = m->to_relative_octave (last);
+         if (!count ++)
+           first = last;
+       }
     }
 
-  if (!ret_first)
-    retval = last;
-  
-  return retval;
+  return  (ret_first)?  first : last;
 }
 
-void
-Music_sequence::compress (Moment m)
-{
-  compress_list (music_list (), m);
-}
 
 void
-Music_sequence::compress_list (SCM l, Moment m)
+compress_music_list (SCM l, Moment m)
 {
   for (SCM s = l; gh_pair_p (s);  s = ly_cdr (s))
     unsmob_music (ly_car (s))->compress (m);
@@ -126,12 +107,6 @@ Music_sequence::compress_list (SCM l, Moment m)
 
 ADD_MUSIC (Music_sequence);
 
-Music_sequence::Music_sequence ()
-  : Music (SCM_EOL)
-{
-  
-}
-
 Moment
 Music_sequence::minimum_start (SCM l)
 {
@@ -152,7 +127,7 @@ Music_sequence::first_start (SCM l)
   for (SCM s = l; gh_pair_p (s);  s = ly_cdr (s))
     {
       Music * mus = unsmob_music (ly_car (s));
-      Moment l = mus->length_mom ();
+      Moment l = mus->get_length ();
       Moment s = mus->start_mom ();
       if (l.to_bool () || s.to_bool ())
        return s;