2 bar-check-iterator.cc -- implement Bar_check_iterator
4 source file of the GNU LilyPond music typesetter
6 (c) 2001--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
11 #include "international.hh"
13 #include "simple-music-iterator.hh"
16 Check bar checks. We do this outside the engravers so that you can
17 race through the score using skipTypesetting to correct durations.
19 class Bar_check_iterator : Simple_music_iterator
22 virtual void process (Moment);
23 Bar_check_iterator ();
24 DECLARE_SCHEME_CALLBACK (constructor, ());
27 IMPLEMENT_CTOR_CALLBACK (Bar_check_iterator);
29 Bar_check_iterator::Bar_check_iterator ()
34 Bar_check_iterator::process (Moment m)
36 Simple_music_iterator::process (m);
39 Context *tr = get_outlet ();
41 SCM check = tr->get_property ("ignoreBarChecks");
42 if (to_boolean (check))
45 SCM mp = tr->get_property ("measurePosition");
46 SCM sync = tr->get_property ("barCheckSynchronize");
48 Moment *where = unsmob_moment (mp);
52 if (where->main_part_)
55 if (to_boolean (sync))
58 tr = tr->where_defined (ly_symbol2scm ("measurePosition"), &mp);
60 tr->set_property ("measurePosition", zero.smobbed_copy ());
64 SCM lf = tr->get_property ("barCheckLastFail");
65 if (unsmob_moment (lf)
66 && *unsmob_moment (lf) == *where)
69 tr->set_property ("barCheckLastFail", mp);
73 get_music ()->origin ()->warning (_f ("barcheck failed at: %s",
74 where->to_string ()));