source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+#include <stdio.h>
-#include "global-translator.hh"
+#include "warn.hh"
+#include "music.hh"
+#include "event.hh"
+#include "music-list.hh"
#include "music-iterator.hh"
-#include "debug.hh"
+#include "global-translator.hh"
-Global_translator::Global_translator()
+Global_translator::Global_translator ()
{
- last_mom_ = 0;
}
void
Global_translator::add_moment_to_process (Moment m)
{
- if (m > last_mom_)
+ if (m > final_mom_)
return;
+
+ if (m < now_mom_)
+ programming_error ("Trying to freeze in time.");
- for (int i=0; i < extra_mom_pq_.size(); i++)
+ for (int i=0; i < extra_mom_pq_.size (); i++)
if (extra_mom_pq_[i] == m)
return;
extra_mom_pq_.insert (m);
}
-void
-Global_translator::modify_next (Moment &w)
+Moment
+Global_translator::sneaky_insert_extra_moment (Moment w)
{
- while (extra_mom_pq_.size() &&
- extra_mom_pq_.front() <= w)
-
- w =extra_mom_pq_.get();
+ while (extra_mom_pq_.size () && extra_mom_pq_.front () <= w)
+ w = extra_mom_pq_.get ();
+ return w;
}
int
-Global_translator::moments_left_i() const
+Global_translator::get_moments_left () const
{
- return extra_mom_pq_.size();
+ return extra_mom_pq_.size ();
}
void
Global_translator::prepare (Moment m)
{
+ prev_mom_ = now_mom_;
now_mom_ = m;
}
Music_output*
-Global_translator::get_output_p()
+Global_translator::get_output ()
{
return 0;
}
void
-Global_translator::process ()
+Global_translator::one_time_step ()
{
}
+
void
Global_translator::start ()
{
void
Global_translator::run_iterator_on_me (Music_iterator * iter)
{
- while (iter->ok() || moments_left_i ())
+ if (iter-> ok ())
+ prev_mom_ = now_mom_ = iter->pending_moment ();
+
+ bool first = true;
+ while (iter->ok () || get_moments_left ())
{
Moment w;
w.set_infinite (1);
- if (iter->ok())
+ if (iter->ok ())
{
- w = iter->next_moment();
- DOUT << "proccing: " << w << '\n';
- if (!lily_monitor->silent_b ("walking"))
- iter->print();
+ w = iter->pending_moment ();
}
+
+ w = sneaky_insert_extra_moment (w);
+ if (w.main_part_.is_infinity ())
+ break ;
- modify_next (w);
+
+ // printf ("proccing %s\n ", w.to_string ().to_str0 ());
+ if (first)
+ {
+ first = false;
+ set_property ("measurePosition", w.smobbed_copy ());
+ }
+
prepare (w);
+ if (iter->ok ())
+ iter->process (w);
- if (!lily_monitor->silent_b ("walking"))
- print();
+ one_time_step ();
+ }
+}
- iter->process_and_next (w);
- process();
+void
+Global_translator::apply_finalizations ()
+{
+ SCM lst = get_property ("finalizations");
+ set_property ("finalizations" , SCM_EOL);
+ for (SCM s = lst ; gh_pair_p (s); s = gh_cdr (s))
+ {
+ scm_primitive_eval (gh_car (s));
}
}
+
+/*
+ Add a function to execute before stepping to the next time step.
+ */
+void
+Global_translator::add_finalization (SCM x)
+{
+ SCM lst = get_property ("finalizations");
+ lst = scm_cons (x, lst);
+ set_property ("finalizations" ,lst);
+}
+
+
+Global_translator *
+Translator::top_translator()const
+{
+ if (dynamic_cast<Global_translator*>((Translator*)this))
+ return dynamic_cast<Global_translator*> ((Translator*)this);
+
+ if (daddy_trans_)
+ return daddy_trans_->top_translator ();
+
+ programming_error ("No top translator!");
+ return 0;
+}