source file of the GNU LilyPond music typesetter
- (c) 1998--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1998--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "music-list.hh"
-#include "debug.hh"
+#include "warn.hh"
#include "pitch.hh"
-void
-Music_sequence::truncate (int k)
-{
- SCM l = get_mus_property ("elements");
- if (k == 0)
- {
- l = SCM_EOL;
- }
- else
- {
- SCM s = l;
- k--;
- for (; gh_pair_p (s) && k--; s = ly_cdr (s))
- ;
-
- if (gh_pair_p (s))
- {
- gh_set_cdr_x (s, SCM_EOL);
- }
- }
- set_mus_property ("elements", l);
-}
-
SCM
Music_sequence::music_list ()const
{
scm_gc_unprotect_object (m->self_scm ());
}
-Music_sequence::Music_sequence (SCM l)
- : Music (l)
+Music_sequence::Music_sequence ( )
+ : Music ()
{
}
void
Music_sequence::transpose (Pitch rq)
{
- for (SCM s = music_list (); gh_pair_p (s); s = ly_cdr (s))
- unsmob_music (ly_car (s))->transpose (rq);
+ transpose_list (music_list (), rq);
}
-
-
+void
+Music_sequence::transpose_list (SCM l, Pitch rq)
+{
+ for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ unsmob_music (ly_car (s))->transpose (rq);
+}
Moment
-Music_sequence::cumulative_length () const
+Music_sequence::cumulative_length (SCM l)
{
Moment cumulative;
-
- Moment last_len ;
- for (SCM s = music_list (); gh_pair_p (s); s = ly_cdr (s))
+ Moment last_len;
+
+ 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);
Moment
-Music_sequence::maximum_length () const
+Music_sequence::maximum_length (SCM l)
{
Moment dur = 0;
- 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))
{
Music * m = unsmob_music (ly_car (s));
- Moment l = m->length_mom ();
+ Moment l = m->get_length ();
dur = dur >? l;
}
return dur;
}
-int
-Music_sequence::length_i () const
-{
- return scm_ilength (music_list ());
-}
+
Pitch
Music_sequence::do_relative_octave (Pitch p, bool ret_first)
Pitch last = p;
for (SCM s = music_list (); gh_pair_p (s); s = ly_cdr (s))
{
- last = unsmob_music (ly_car (s))->to_relative_octave (last);
- if (!count ++)
- retval = last;
+ Music *m = unsmob_music (ly_car (s));
+ if (!m)
+ {
+ programming_error ("Music_sequence should only contain music!");
+ }
+ else
+ {
+ last = m->to_relative_octave (last);
+ if (!count ++)
+ retval = last;
+ }
}
if (!ret_first)
void
Music_sequence::compress (Moment m)
{
- for (SCM s = music_list (); gh_pair_p (s); s = ly_cdr (s))
- unsmob_music (ly_car (s))->compress (m);
+ compress_list (music_list (), m);
}
-ADD_MUSIC (Music_sequence);
-
-Music_sequence::Music_sequence ()
- : Music (SCM_EOL)
+void
+Music_sequence::compress_list (SCM l, Moment m)
{
-
+ for (SCM s = l; gh_pair_p (s); s = ly_cdr (s))
+ unsmob_music (ly_car (s))->compress (m);
}
+ADD_MUSIC (Music_sequence);
+
Moment
-Music_sequence::minimum_start () const
+Music_sequence::minimum_start (SCM l)
{
Moment m;
- 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))
{
m = m <? unsmob_music (ly_car (s))->start_mom ();
}
}
Moment
-Music_sequence::first_start () const
+Music_sequence::first_start (SCM l)
{
Moment m;
- 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))
{
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;