source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "time-signature.hh"
#include "warn.hh"
-#include "engraver-group-engraver.hh"
+#include "engraver-group.hh"
#include "misc.hh"
/**
- generate time_signatures.
- */
+ generate time_signatures.
+*/
class Time_signature_engraver : public Engraver
{
Item *time_signature_;
SCM last_time_fraction_;
protected:
- virtual void stop_translation_timestep ();
- virtual void process_music ();
+ virtual void derived_mark () const;
+ void stop_translation_timestep ();
+ void process_music ();
public:
TRANSLATOR_DECLARATIONS (Time_signature_engraver);
};
+void
+Time_signature_engraver::derived_mark () const
+{
+ scm_gc_mark (last_time_fraction_);
+}
Time_signature_engraver::Time_signature_engraver ()
-{
+{
time_signature_ = 0;
last_time_fraction_ = SCM_BOOL_F;
}
Todo: should make typecheck?
OTOH, Tristan Keuris writes 8/20 in his Intermezzi.
- */
- warning (_f ("Found strange time signature %d/%d.",
- den,
- scm_to_int (scm_car (fr))
- ));
+ */
+ warning (_f ("strange time signature found: %d/%d",
+ den,
+ scm_to_int (scm_car (fr))));
}
-
-
- last_time_fraction_ = fr;
- time_signature_ = make_item ("TimeSignature",SCM_EOL);
- time_signature_->set_property ("fraction",fr);
+
+ last_time_fraction_ = fr;
+ time_signature_ = make_item ("TimeSignature", SCM_EOL);
+ time_signature_->set_property ("fraction", fr);
}
}
{
time_signature_ = 0;
}
-
-ENTER_DESCRIPTION (Time_signature_engraver,
-/* descr */ "Create a TimeSignature whenever @code{timeSignatureFraction} changes",
-/* creats*/ "TimeSignature",
-/* accepts */ "",
-/* acks */ "",
-/* reads */ "",
-/* write */ "");
+#include "translator.icc"
+
+ADD_TRANSLATOR (Time_signature_engraver,
+ /* doc */ "Create a TimeSignature whenever @code{timeSignatureFraction} changes",
+ /* create */ "TimeSignature",
+ /* accept */ "",
+ /* read */ "",
+ /* write */ "");