Fix some bugs in the dynamic engraver and PostScript backend

[lilypond.git] / lily / recording-group-engraver.cc

diff --git a/lily/recording-group-engraver.cc b/lily/recording-group-engraver.cc
index 5cf6c7130410bb5e6106e962960f9b93db4d5bbe..c0091cc834571ee68abf6d835ac679a674ee5861 100644 (file)
--- a/lily/recording-group-engraver.cc
+++ b/lily/recording-group-engraver.cc
@@ -3,41 +3,20 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2003--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 2003--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
+#include "recording-group-engraver.hh"
 #include "context.hh"
-#include "engraver-group-engraver.hh"
-#include "protected-scm.hh"
-
-class Recording_group_engraver : public Engraver_group_engraver
-{
-public:
-  TRANSLATOR_DECLARATIONS (Recording_group_engraver);
-  virtual bool try_music (Music *m);
-  void add_music (SCM, SCM);
-  virtual void stop_translation_timestep ();
-  virtual void finalize ();
-  virtual void initialize ();
-  virtual void derived_mark () const;
-  SCM now_events_;
-  SCM accumulator_;
-};
 
 void
 Recording_group_engraver::derived_mark () const
 {
-  Engraver_group_engraver::derived_mark ();
+  Engraver_group::derived_mark ();
   scm_gc_mark (now_events_);
   scm_gc_mark (accumulator_);
 }
 
-void
-Recording_group_engraver::initialize ()
-{
-  Engraver_group_engraver::initialize ();
-}
-
 Recording_group_engraver::Recording_group_engraver ()
 {
   accumulator_ = SCM_EOL;
@@ -53,10 +32,8 @@ Recording_group_engraver::add_music (SCM music, SCM success)
 void
 Recording_group_engraver::stop_translation_timestep ()
 {
-  Engraver_group_engraver::stop_translation_timestep ();
-
-  accumulator_ = scm_acons (scm_cons (now_mom ().smobbed_copy (),
-                                     get_property ("instrumentTransposition")),
+  accumulator_ = scm_acons (scm_cons (context ()->now_mom ().smobbed_copy (),
+                                     context ()->get_property ("instrumentTransposition")),
                            now_events_,
                            accumulator_);
   now_events_ = SCM_EOL;
@@ -65,8 +42,7 @@ Recording_group_engraver::stop_translation_timestep ()
 void
 Recording_group_engraver::finalize ()
 {
-  Engraver_group_engraver::finalize ();
-  SCM proc = get_property ("recordEventSequence");
+  SCM proc = context ()->get_property ("recordEventSequence");
 
   if (ly_is_procedure (proc))
     scm_call_2 (proc, context ()->self_scm (), scm_cdr (accumulator_));
@@ -81,12 +57,25 @@ Recording_group_engraver::try_music (Music *m)
   return retval;
 }
 
-ADD_TRANSLATOR (Recording_group_engraver,
-               "Engraver_group_engraver that records all music events "
-               "for this context. Calls the procedure "
-               "in @code{recordEventSequence} when finished.",
-               "",
-               "",
-               "",
-               "recordEventSequence",
-               "");
+void
+recording_engraver (Translator_group *tg)
+{
+  Recording_group_engraver *rg = dynamic_cast<Recording_group_engraver *> (tg);
+  rg->stop_translation_timestep ();
+}
+
+void
+Recording_group_engraver::fetch_precomputable_methods (Translator_group_void_method ptrs[])
+{
+  Translator_group::fetch_precomputable_methods (ptrs);
+  ptrs[STOP_TRANSLATION_TIMESTEP] = &recording_engraver;
+}
+
+ADD_TRANSLATOR_GROUP (Recording_group_engraver,
+                     "Engraver_group that records all music events "
+                     "for this context. Calls the procedure "
+                     "in @code{recordEventSequence} when finished.",
+                     "",
+                     "",
+                     "recordEventSequence",
+                     "");