source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
+#include "grace-iterator.hh"
#include "translator-group.hh"
#include "debug.hh"
#include "sequential-music-iterator.hh"
#include "music-list.hh"
+#include "request-chord-iterator.hh"
+
void
Sequential_music_iterator::do_print() const
void
Sequential_music_iterator::construct_children()
{
- cursor_ = dynamic_cast<Music_sequence const*> (music_l_)->music_p_list_p_->head_;
+ cursor_ = dynamic_cast<Music_sequence const*> (music_l_)->music_list ();
- while (cursor_)
+ while (gh_pair_p (cursor_ ))
{
start_next_element();
if (!iter_p_->ok())
{
delete iter_p_;
iter_p_ =0;
- Moment elt_time = cursor_->car_->length_mom ();
+ Moment elt_time = unsmob_music (gh_car (cursor_))->length_mom ();
here_mom_ += elt_time;
- cursor_ =cursor_->next_;
+ cursor_ =gh_cdr (cursor_);
}
void
Sequential_music_iterator::start_next_element()
{
assert (!iter_p_);
- iter_p_ = get_iterator_p (cursor_->car_);
+ iter_p_ = get_iterator_p (unsmob_music (gh_car (cursor_)));
}
void
Sequential_music_iterator::set_sequential_music_translator()
{
- if (iter_p_->report_to_l()->depth_i () > report_to_l ()->depth_i ())
- set_translator (iter_p_->report_to_l());
+ Translator_group * child_report = child_report = iter_p_->report_to_l ();
+ if (dynamic_cast<Grace_iterator*> (iter_p_))
+ child_report = child_report->daddy_trans_l_;
+
+ if (report_to_l()->depth_i () < child_report->depth_i ())
+ set_translator (child_report);
}
Sequential_music_iterator::~Sequential_music_iterator()
{
- assert (! iter_p_);
+ if (iter_p_)
+ {
+ if (iter_p_->ok ())
+ music_l_->origin ()->warning (_ ("Must stop before this music ends"));
+ delete iter_p_;
+ iter_p_ = 0;
+ }
}
-
-
-
void
Sequential_music_iterator::do_process_and_next (Moment until)
{
+ if (!iter_p_)
+ return;
+
while (1)
{
Moment local_until = until - here_mom_;
iter_p_->process_and_next (local_until);
}
-
+
if (!iter_p_->ok())
{
+ set_sequential_music_translator();
leave_element();
- if (cursor_)
- {
- start_next_element();
- set_sequential_music_translator();
- }
+ if (gh_pair_p (cursor_))
+ start_next_element();
else
- {
- goto loopexit;
- }
+ goto loopexit;
}
}
return iter_p_->next_moment() + here_mom_;
}
+
bool
Sequential_music_iterator::ok() const
{
return iter_p_;
}
+Music_iterator*
+Sequential_music_iterator::try_music_in_children (Music *m) const
+{
+ return iter_p_ ? iter_p_->try_music (m) : 0;
+}