/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1997--2015 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
void stop_translation_timestep ();
virtual ~Staff_symbol_engraver ();
- DECLARE_ACKNOWLEDGER (grob);
- DECLARE_TRANSLATOR_LISTENER (staff_span);
+ void acknowledge_grob (Grob_info);
+ void listen_staff_span (Stream_event *);
virtual void finalize ();
void process_music ();
+ virtual void derived_mark () const;
};
+void
+Staff_symbol_engraver::derived_mark () const
+{
+ for (LEFT_and_RIGHT (d))
+ {
+ if (span_events_[d])
+ scm_gc_mark (span_events_[d]->self_scm ());
+ }
+}
+
Staff_symbol_engraver::~Staff_symbol_engraver ()
{
if (span_)
}
}
-Staff_symbol_engraver::Staff_symbol_engraver ()
+Staff_symbol_engraver::Staff_symbol_engraver (Context *c)
+ : Engraver (c)
{
finished_span_ = 0;
first_start_ = true;
span_events_.set (0, 0);
}
-IMPLEMENT_TRANSLATOR_LISTENER (Staff_symbol_engraver, staff_span);
void
Staff_symbol_engraver::listen_staff_span (Stream_event *ev)
{
{
span_ = make_spanner ("StaffSymbol", SCM_EOL);
span_->set_bound (LEFT,
- unsmob_grob (get_property ("currentCommandColumn")));
+ unsmob<Grob> (get_property ("currentCommandColumn")));
}
}
return;
if (!finished_span_->get_bound (RIGHT))
- finished_span_->set_bound (RIGHT, unsmob_grob (get_property ("currentCommandColumn")));
+ finished_span_->set_bound (RIGHT, unsmob<Grob> (get_property ("currentCommandColumn")));
announce_end_grob (finished_span_,
span_events_[STOP]
}
}
-ADD_ACKNOWLEDGER (Staff_symbol_engraver, grob);
+
+void
+Staff_symbol_engraver::boot ()
+{
+ ADD_LISTENER (Staff_symbol_engraver, staff_span);
+ ADD_ACKNOWLEDGER (Staff_symbol_engraver, grob);
+}
ADD_TRANSLATOR (Staff_symbol_engraver,
/* doc */