2 thread-devnull-engraver.cc -- implement Thread_devnull_engraver
4 source file of the GNU LilyPond music typesetter
6 (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
11 #include "musical-request.hh"
12 #include "translator-group.hh"
14 class Thread_devnull_engraver : public Engraver
17 VIRTUAL_COPY_CONS (Translator);
20 virtual void acknowledge_grob (Grob_info);
23 ADD_THIS_TRANSLATOR (Thread_devnull_engraver);
26 Thread_devnull_engraver::acknowledge_grob (Grob_info i)
28 SCM s = get_property ("devNullThread");
31 if (gh_equal_p (s, ly_symbol2scm ("never")))
35 if (gh_equal_p (s, ly_symbol2scm ("allways"))
37 && daddy_trans_l_->id_str_.left_str (3) == "two"
38 && (to_boolean (get_property ("unison"))
39 || to_boolean (get_property ("unisilence")))
40 && to_boolean (get_property ("soloADue"))))
41 i.elem_l_->suicide ();