source file of the GNU LilyPond music typesetter
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "music.hh"
-#include "music-sequence.hh"
+
+#include "context.hh"
+#include "dispatcher.hh"
#include "duration.hh"
#include "input-smob.hh"
+#include "international.hh"
#include "ly-smobs.icc"
#include "main.hh"
+#include "music-sequence.hh"
#include "pitch.hh"
#include "score.hh"
#include "warn.hh"
return scm_c_memq (k, ifs) != SCM_BOOL_F;
}
-String
-Music::name () const
-{
- SCM nm = get_property ("name");
- if (scm_is_symbol (nm))
- {
- return ly_symbol2string (nm);
- }
- else
- {
- return classname (this);
- }
-}
-
Music::Music (SCM init)
+ : Prob (ly_symbol2scm ("Music"), init)
{
- self_scm_ = SCM_EOL;
- immutable_property_alist_ = init;
- mutable_property_alist_ = SCM_EOL;
- smobify_self ();
-
+ length_callback_ = SCM_EOL;
+ start_callback_ = SCM_EOL;
+
length_callback_ = get_property ("length-callback");
if (!ly_is_procedure (length_callback_))
- {
- length_callback_ = duration_length_callback_proc;
- }
-
+ length_callback_ = duration_length_callback_proc;
+
start_callback_ = get_property ("start-callback");
}
-Music::Music (Music const &m)
+void
+Music::derived_mark () const
{
- immutable_property_alist_ = m.immutable_property_alist_;
- mutable_property_alist_ = SCM_EOL;
- self_scm_ = SCM_EOL;
-
- /* First we smobify_self, then we copy over the stuff. If we don't,
- stack vars that hold the copy might be optimized away, meaning
- that they won't be protected from GC. */
- smobify_self ();
- mutable_property_alist_ = ly_music_deep_copy (m.mutable_property_alist_);
- length_callback_ = m.length_callback_;
- start_callback_ = m.start_callback_;
- set_spot (*m.origin ());
+ scm_gc_mark (length_callback_);
+ scm_gc_mark (start_callback_);
}
-Music::~Music ()
+SCM
+Music::copy_mutable_properties () const
{
+ return ly_music_deep_copy (mutable_property_alist_);
}
-
-SCM
-Music::get_property_alist (bool m) const
+void
+Music::type_check_assignment (SCM s, SCM v) const
{
- return (m) ? mutable_property_alist_ : immutable_property_alist_;
+ if (!::type_check_assignment (s, v, ly_symbol2scm ("music-type?")))
+ abort ();
}
-SCM
-Music::mark_smob (SCM m)
+Music::Music (Music const &m)
+ : Prob (m)
{
- Music *mus = (Music *) SCM_CELL_WORD_1 (m);
- scm_gc_mark (mus->immutable_property_alist_);
- return mus->mutable_property_alist_;
+ length_callback_ = m.length_callback_;
+ start_callback_ = m.start_callback_;
+
+ /// why?
+ set_spot (*m.origin ());
}
Moment
}
}
-int
-Music::print_smob (SCM s, SCM p, scm_print_state*)
-{
- scm_puts ("#<Music ", p);
- Music *m = unsmob_music (s);
-
- SCM nm = m->get_property ("name");
- if (scm_is_symbol (nm) || scm_is_string (nm))
- scm_display (nm, p);
- else
- scm_puts (classname (m), p);
-
- /* Printing properties takes a lot of time, especially during backtraces.
- For inspecting, it is better to explicitly use an inspection
- function. */
-
- scm_puts (">", p);
- return 1;
-}
Pitch
Music::generic_to_relative_octave (Pitch last)
Pitch expected_pit (scm_to_int (check),
new_pit.get_notename (),
new_pit.get_alteration ());
- origin ()->warning (_f ("octave check failed; expected %s, found: %s",
+ origin ()->warning (_f ("octave check failed; expected \"%s\", found: %s",
expected_pit.to_string (),
new_pit.to_string ()));
new_pit = expected_pit;
*/
SCM pa = get_property ("pitch-alist");
if (scm_is_pair (pa))
- {
- set_property ("pitch-alist", ly_transpose_key_alist (pa, delta.smobbed_copy ()));
- }
-}
-
-IMPLEMENT_TYPE_P (Music, "ly:music?");
-IMPLEMENT_SMOBS (Music);
-IMPLEMENT_DEFAULT_EQUAL_P (Music);
-
-SCM
-Music::internal_get_property (SCM sym) const
-{
- SCM s = scm_sloppy_assq (sym, mutable_property_alist_);
- if (s != SCM_BOOL_F)
- return scm_cdr (s);
-
- s = scm_sloppy_assq (sym, immutable_property_alist_);
- return (s == SCM_BOOL_F) ? SCM_EOL : scm_cdr (s);
-}
-
-
-SCM
-Music::internal_get_object (SCM s) const
-{
- return internal_get_property (s);
-}
-
-void
-Music::internal_set_object (SCM s, SCM v)
-{
- return internal_set_property (s,v);
-}
-
-void
-Music::internal_set_property (SCM s, SCM v)
-{
- if (do_internal_type_checking_global)
- if (!type_check_assignment (s, v, ly_symbol2scm ("music-type?")))
- abort ();
-
- mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, s, v);
+ set_property ("pitch-alist", ly_transpose_key_alist (pa, delta.smobbed_copy ()));
}
void
return ip ? ip : &dummy_input_global;
}
+void
+Music::send_to_context (Context *c)
+{
+ send_stream_event (c, "MusicEvent",
+ ly_symbol2scm("music"), self_scm (), 0);
+}
+
Music *
make_music_by_name (SCM sym)
{
SCM rv = scm_call_1 (make_music_proc, sym);
/* UGH. */
- scm_gc_protect_object (rv);
- return unsmob_music (rv);
+ Music *m = unsmob_music (rv);
+ m->protect ();
+ return m;
}
-
MAKE_SCHEME_CALLBACK (Music, duration_length_callback, 1);
SCM
Music::duration_length_callback (SCM m)
Moment mom;
if (d)
- {
- mom = d->get_length ();
- }
+ mom = d->get_length ();
return mom.smobbed_copy ();
}
+
+Music *
+unsmob_music (SCM m)
+{
+ return dynamic_cast<Music*> (unsmob_prob (m));
+}
+
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