* lily/*.cc, lily/include/*.hh: eliminate dummy arguments from

[lilypond.git] / lily / tie-engraver.cc

diff --git a/lily/tie-engraver.cc b/lily/tie-engraver.cc
index f08e5e5d6c6faa952f668d446f7b154316cf468e..ed46d59a77ccbdb437139e6bee7355d250e7ef6b 100644 (file)
--- a/lily/tie-engraver.cc
+++ b/lily/tie-engraver.cc
@@ -38,7 +38,7 @@ struct Head_event_tuple
   Moment end_moment_;
   SCM tie_definition_;
   Stream_event *tie_stream_event_;
-  Music *tie_event_;
+  Stream_event *tie_event_;
   
   Head_event_tuple ()
   {
@@ -88,19 +88,19 @@ IMPLEMENT_TRANSLATOR_LISTENER (Tie_engraver, tie);
 void
 Tie_engraver::listen_tie (Stream_event *ev)
 {
-  event_ = ev;
+  ASSIGN_EVENT_ONCE (event_, ev);
 }
 
 void
 Tie_engraver::process_music ()
 {
-  for (vsize i = 0; i < heads_to_tie_.size (); i++)
-    if (heads_to_tie_[i].tie_event_
-       || heads_to_tie_[i].tie_stream_event_)
-      {
-       context ()->set_property ("tieMelismaBusy", SCM_BOOL_T);
-       break;
-      }
+  bool busy = event_;
+  for (vsize i = 0; !busy && i < heads_to_tie_.size (); i++)
+    busy |=  (heads_to_tie_[i].tie_event_
+             || heads_to_tie_[i].tie_stream_event_);
+
+  if (busy)
+    context ()->set_property ("tieMelismaBusy", SCM_BOOL_T);
 }
 
 void
@@ -198,18 +198,18 @@ Tie_engraver::stop_translation_timestep ()
       
       SCM left_articulations = left_ev->get_property ("articulations");
 
-      Music *tie_event = 0;
+      Stream_event *tie_event = 0;
       Stream_event *tie_stream_event = event_;
       for (SCM s = left_articulations;
           !tie_event && !tie_stream_event && scm_is_pair (s);
           s = scm_cdr (s))
        {
-         Music *m = unsmob_music (scm_car (s));
-         if (!m)
+         Stream_event *ev = unsmob_stream_event (scm_car (s));
+         if (!ev)
            continue;
          
-         if (m->is_mus_type ("tie-event"))
-           tie_event = m;
+         if (ev->in_event_class ("tie-event"))
+           tie_event = ev;
        }
          
       if (left_ev && (tie_event || tie_stream_event))
@@ -278,7 +278,5 @@ ADD_TRANSLATOR (Tie_engraver,
                /* create */
                "Tie "
                "TieColumn ",
-
-               /* accept */ "tie-event",
                /* read */ "tieWaitForNote",
                /* write */ "tieMelismaBusy");