* scm/define-music-types.scm (music-descriptions): use

[lilypond.git] / lily / engraver.cc

diff --git a/lily/engraver.cc b/lily/engraver.cc
index 0d3f2a67f83c82f751dac14a1d11481851d899aa..cf2eebbe9b5c4a65515ba6a1fd3974ea656659a3 100644 (file)
--- a/lily/engraver.cc
+++ b/lily/engraver.cc
@@ -3,54 +3,95 @@
 
   Sourcefile of GNU LilyPond music type setter
 
-  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
-#include "music.hh"
 #include "engraver.hh"
-#include "engraver-group-engraver.hh"
-#include "grob.hh"
 
+#include "context.hh"
+#include "item.hh"
+#include "lilypond-key.hh"
+#include "music.hh"
+#include "score-engraver.hh"
+#include "spanner.hh"
+#include "stream-event.hh"
+#include "warn.hh"
+
+Engraver_group *
+Engraver::get_daddy_engraver () const
+{
+  return dynamic_cast<Engraver_group *> (get_daddy_translator ());
+}
 
 void
 Engraver::announce_grob (Grob_info inf)
 {
-  daddy_grav_l()->announce_grob (inf);
+  get_daddy_engraver ()->announce_grob (inf);
+}
+
+void
+Engraver::announce_end_grob (Grob_info inf)
+{
+  get_daddy_engraver ()->announce_grob (inf);
 }
 
+/*
+  CAUSE is the object (typically a Stream_event object)  that
+  was the reason for making E.
+*/
 void
-Engraver::announce_grob (Grob* e, Music *m)
+Engraver::announce_grob (Grob *e, SCM cause)
 {
-  if (m && m->origin ()->location_str ().length_i ())
+  /* TODO: Remove Music code when it's no longer needed */
+  if (Music *m = unsmob_music (cause))
     {
-      e->set_grob_property ("origin", m->get_mus_property ("origin"));
+      cause = m->to_event ()->unprotect ();
     }
-  
-  Grob_info i (e, m);
-  if (!i.origin_trans_l_)
-    i.origin_trans_l_ = this;
-  daddy_grav_l()->announce_grob (i);
+  if (unsmob_stream_event (cause) || unsmob_grob (cause))
+    e->set_property ("cause", cause);
+
+  Grob_info i (this, e);
+
+  Engraver_group *g = get_daddy_engraver ();
+  if (g)
+    g->announce_grob (i);
 }
 
 
- 
+/*
+  CAUSE is the object (typically a Music object)  that
+  was the reason for making E.
+*/
 void
-Engraver::typeset_grob (Grob*p)
+Engraver::announce_end_grob (Grob *e, SCM cause)
 {
-  daddy_grav_l()->typeset_grob (p);
-}
+  /* TODO: Remove Music code when it's no longer needed */
+  if (Music *m = unsmob_music (cause))
+    {
+      cause = m->to_event ()->unprotect ();
+    }
+  if (unsmob_stream_event (cause) || unsmob_grob (cause))
+    e->set_property ("cause", cause);
 
+  Grob_info i (this, e);
 
-Engraver_group_engraver*
-Engraver::daddy_grav_l () const
-{
-  return (daddy_trans_l_ )
-       ? dynamic_cast<Engraver_group_engraver *> (daddy_trans_l_)
-       : 0;
+  i.start_end_ = STOP;
+  Engraver_group *g = get_daddy_engraver ();
+  if (g)
+    g->announce_grob (i);
 }
 
-void
-Engraver::process_music ()
+
+Engraver::Engraver ()
 {
-  
 }
+
+#include "translator.icc"
+
+ADD_TRANSLATOR (Engraver,
+               "Base class for engravers. Does nothing, so it is not used.",
+               "",
+               "",
+               "",
+               "");
+