X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fgrob-info.cc;h=baa1da427b121a1b78b943f118d4c3137b802fe3;hb=0a0da41d935f7744e7ffd934034f25c40d4c59be;hp=a8f3f4c7b1c5320b1cfa34a2ddb9381fee193c5a;hpb=9f3572d98bb948c9689cd1f75401a029451fa001;p=lilypond.git

diff --git a/lily/grob-info.cc b/lily/grob-info.cc
index a8f3f4c7b1..baa1da427b 100644
--- a/lily/grob-info.cc
+++ b/lily/grob-info.cc
@@ -1,24 +1,40 @@
 /*
-  grob-info.cc -- implement Grob_info
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include "context.hh"
 #include "grob-info.hh"
-#include "grob.hh"
+#include "item.hh"
 #include "music.hh"
-#include "translator-group.hh"
-#include "context.hh"
 #include "spanner.hh"
-#include "item.hh"
+#include "stream-event.hh"
+#include "translator-group.hh"
 
 Grob_info::Grob_info (Translator *t, Grob *g)
 {
   origin_trans_ = t;
   grob_ = g;
   start_end_ = START;
+
+  /*
+    assert here, because this is easier to debug.
+  */
+  assert (g);
 }
 
 Grob_info::Grob_info ()
@@ -28,11 +44,11 @@ Grob_info::Grob_info ()
   origin_trans_ = 0;
 }
 
-Music *
-Grob_info::music_cause () const
+Stream_event *
+Grob_info::event_cause () const
 {
   SCM cause = grob_->get_property ("cause");
-  return unsmob_music (cause);
+  return unsmob_stream_event (cause);
 }
 
 vector<Context*>
@@ -68,15 +84,13 @@ Grob_info::item () const
   return dynamic_cast<Item *> (grob_);
 }
 
-Music *
-Grob_info::ultimate_music_cause () const
+Stream_event *
+Grob_info::ultimate_event_cause () const
 {
   SCM cause = grob_->self_scm ();
   while (unsmob_grob (cause))
     {
       cause = unsmob_grob (cause)->get_property ("cause");
     }
-
-  return unsmob_music (cause);
+  return unsmob_stream_event (cause);
 }
-