X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fscore-performer.cc;h=ed9e4077755fa465dcb2630ef648878f5f68782d;hb=ab547077f8c694c8edf882ce58fc6ed63407ccb6;hp=97afb37573231b12e3581a33fbdc25b213b578dc;hpb=14d74ac262744d16fc753ee41042d32860d58633;p=lilypond.git

diff --git a/lily/score-performer.cc b/lily/score-performer.cc
index 97afb37573..ed9e407775 100644
--- a/lily/score-performer.cc
+++ b/lily/score-performer.cc
@@ -3,8 +3,8 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996--2004 Jan Nieuwenhuizen <janneke@gnu.org>
- */
+  (c) 1996--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
 
 #include "score-performer.hh"
 
@@ -16,62 +16,61 @@
 #include "warn.hh"
 #include "context-def.hh"
 #include "output-def.hh"
+#include "context.hh"
 
-ADD_TRANSLATOR (Score_performer,
-/* descr */       "",
-/* creats*/       "",
-/* accepts */     "",
-/* acks  */      "",
-/* reads */       "",
-/* write */       "");
-
+ADD_TRANSLATOR_GROUP (Score_performer,
+		      /* doc */ "",
+		      /* create */ "",
+		      /* accept */ "",
+		      /* read */ "",
+		      /* write */ "");
 
 Score_performer::Score_performer ()
 {
   performance_ = 0;
 }
 
-
 Score_performer::~Score_performer ()
 {
 }
 
 void
-Score_performer::play_element (Audio_element * p)
+Score_performer::play_element (Audio_element *p)
 {
-  if (Audio_item * i = dynamic_cast<Audio_item *> (p)) 
-    {
-      audio_column_->add_audio_item (i);
-    }
+  if (Audio_item *i = dynamic_cast<Audio_item *> (p))
+    audio_column_->add_audio_item (i);
   performance_->add_element (p);
 }
 
 void
 Score_performer::announce_element (Audio_element_info info)
 {
-  announce_infos_.push (info);
+  announce_infos_.push_back (info);
 }
 
-void 
+void
 Score_performer::prepare (Moment m)
 {
   audio_column_ = new Audio_column (m);
   play_element (audio_column_);
-  recurse_over_translators (context (), &Translator::start_translation_timestep, UP);
+  precomputed_recurse_over_translators (context (), START_TRANSLATION_TIMESTEP, UP);
 }
 
 void
 Score_performer::finish ()
 {
-  recurse_over_translators (context (), &Translator::finalize, UP);
+  recurse_over_translators (context (),
+			    &Translator::finalize,
+			    &Translator_group::finalize,
+			    UP);
 }
-  
-void 
+
+void
 Score_performer::one_time_step ()
 {
-  recurse_over_translators (context (), &Performer::process_music, UP);
-  recurse_over_translators (context (), &Performer::do_announces, UP);
-  recurse_over_translators (context (), &Translator::stop_translation_timestep, UP);
+  precomputed_recurse_over_translators (context (), PROCESS_MUSIC, UP);
+  do_announces ();
+  precomputed_recurse_over_translators (context (), STOP_TRANSLATION_TIMESTEP, UP);
 }
 
 int
@@ -80,20 +79,30 @@ Score_performer::get_tempo () const
   return ::get_tempo (performance_->midi_, Moment (Rational (1, 4)));
 }
 
-
-Music_output *
+SCM
 Score_performer::get_output ()
 {
-  Music_output * o = performance_;
+  Music_output *o = performance_;
   performance_ = 0;
-  return o;
+  return o->self_scm ();
+}
+
+void
+Score_performer::derived_mark () const
+{
+  if (performance_)
+    scm_gc_mark (performance_->self_scm ());
+
+  Score_translator::derived_mark ();
+  Performer_group::derived_mark ();
 }
 
 void
 Score_performer::initialize ()
 {
   performance_ = new Performance;
-  performance_->midi_ = get_output_def ();
+  performance_->unprotect ();
+  performance_->midi_ = context ()->get_output_def ();
 
   Translator_group::initialize ();
 }