*** empty log message ***

[lilypond.git] / lily / percent-repeat-iterator.cc

diff --git a/lily/percent-repeat-iterator.cc b/lily/percent-repeat-iterator.cc
index b9248bb7a862869cccce52e5c04ca4c4a0a169a3..cc9c112ad8cbd150cf4e6d781e42617241d1fbe8 100644 (file)
--- a/lily/percent-repeat-iterator.cc
+++ b/lily/percent-repeat-iterator.cc
@@ -3,7 +3,7 @@
   
   source file of the GNU LilyPond music typesetter
   
-  (c) 2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 2001--2002  Han-Wen Nienhuys <hanwen@cs.uu.nl>
   
  */
 
@@ -16,58 +16,68 @@ IMPLEMENT_CTOR_CALLBACK (Percent_repeat_iterator);
 
 Percent_repeat_iterator::Percent_repeat_iterator ()
 {
+  child_iter_ = 0;
   
 }
 
+void
+Percent_repeat_iterator::do_quit()
+{
+  if (child_iter_)
+    child_iter_->quit();
+}
 Percent_repeat_iterator::Percent_repeat_iterator (Percent_repeat_iterator const & p)
   : Music_iterator (p)
 {
-  child_iter_p_ = p.child_iter_p_ ? p.child_iter_p_->clone (): 0;
+  child_iter_ = p.child_iter_ ? p.child_iter_->clone (): 0;
   finish_mom_ = p.finish_mom_ ;
+
+  if(child_iter_)
+    scm_gc_unprotect_object (child_iter_->self_scm());
 }
 
 bool
 Percent_repeat_iterator::ok () const
 {
-  return child_iter_p_;
+  return child_iter_;
 }
 
 void
 Percent_repeat_iterator::construct_children ()
 {
-  Repeated_music * mus =dynamic_cast<Repeated_music *> (music_l_);
+  Repeated_music * mus =dynamic_cast<Repeated_music *> (get_music ());
   finish_mom_ = mus->length_mom ();
-  child_iter_p_ = get_iterator_p (mus->body ());
+  child_iter_ = unsmob_iterator (get_iterator (mus->body ()));
 }
 
 
 void
 Percent_repeat_iterator::process (Moment m)
 {
-  if (!m)
+  if (!m.to_bool ())
     {
-      Music_iterator *yeah = try_music (music_l_);
+      Music_iterator *yeah = try_music (get_music ());
       if (yeah)
-       set_translator (yeah->report_to_l ());
+       set_translator (yeah->report_to ());
       else
-       music_l_->origin ()->warning ( _ ("no one to print a percent"));
+       get_music ()->origin ()->warning ( _ ("no one to print a percent"));
     }
   
-  if (child_iter_p_->ok ())
-    child_iter_p_->process (m);
+  if (child_iter_->ok ())
+    child_iter_->process (m);
 
   if (finish_mom_ <= m )
     {
-      delete child_iter_p_;
-      child_iter_p_ = 0;
+      child_iter_->quit(); 
+      child_iter_ = 0;
     }
 }
 
 Moment
 Percent_repeat_iterator::pending_moment ()const
 {
-  if (child_iter_p_->ok ())
-    return child_iter_p_->pending_moment ();
+  if (child_iter_->ok ())
+    return child_iter_->pending_moment ();
   else
     return finish_mom_ ;
 }
@@ -75,11 +85,12 @@ Percent_repeat_iterator::pending_moment ()const
 Music_iterator*
 Percent_repeat_iterator::try_music_in_children (Music *m) const
 {
-  return child_iter_p_->try_music (m);
+  return child_iter_->try_music (m);
 }
 
-
-Percent_repeat_iterator::~Percent_repeat_iterator ()
+void
+Percent_repeat_iterator::derived_mark()const
 {
-  delete child_iter_p_;
+  if (child_iter_)
+    scm_gc_mark (child_iter_->self_scm());
 }