/*
- music.cc -- implement Music
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "music.hh"
-#include "music-sequence.hh"
+
+#include "context.hh"
+#include "dispatcher.hh"
#include "duration.hh"
-#include "input-smob.hh"
-#include "ly-smobs.icc"
+#include "input.hh"
+#include "international.hh"
#include "main.hh"
-#include "pitch.hh"
+#include "music-sequence.hh"
#include "score.hh"
#include "warn.hh"
+#include "lily-imports.hh"
/*
- Music is anything that has duration and supports both time compression
- and transposition.
+ Music is anything that has (possibly zero) duration and supports
+ both time compression and transposition.
In Lily, everything that can be thought to have a length and a pitch
- (which has a duration which can be transposed) is considered "music",
+ (which has a duration which can be transposed) is considered "music".
*/
bool
Music::internal_is_music_type (SCM k) const
{
SCM ifs = get_property ("types");
- 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);
- }
+ return scm_is_true (scm_c_memq (k, ifs));
}
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 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_;
+ ::type_check_assignment (s, v, ly_symbol2scm ("music-type?"));
}
-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
Music::get_length () const
{
SCM lst = get_property ("length");
- if (unsmob_moment (lst))
- return *unsmob_moment (lst);
+ if (unsmob<Moment> (lst))
+ return *unsmob<Moment> (lst);
if (ly_is_procedure (length_callback_))
{
SCM res = scm_call_1 (length_callback_, self_scm ());
- return *unsmob_moment (res);
+ return *unsmob<Moment> (res);
}
return Moment (0);
if (ly_is_procedure (lst))
{
SCM res = scm_call_1 (lst, self_scm ());
- return *unsmob_moment (res);
+ return *unsmob<Moment> (res);
}
Moment m;
}
}
-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)
{
SCM elt = get_property ("element");
- Pitch *old_pit = unsmob_pitch (get_property ("pitch"));
+ Pitch *old_pit = unsmob<Pitch> (get_property ("pitch"));
if (old_pit)
{
Pitch new_pit = *old_pit;
SCM check = get_property ("absolute-octave");
if (scm_is_number (check)
- && new_pit.get_octave () != scm_to_int (check))
- {
- 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",
- expected_pit.to_string (),
- new_pit.to_string ()));
- new_pit = expected_pit;
- }
+ && new_pit.get_octave () != scm_to_int (check))
+ {
+ 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\"",
+ expected_pit.to_string (),
+ new_pit.to_string ()));
+ new_pit = expected_pit;
+ }
set_property ("pitch", new_pit.smobbed_copy ());
last = new_pit;
}
- if (Music *m = unsmob_music (elt))
+ if (Music *m = unsmob<Music> (elt))
last = m->to_relative_octave (last);
+ (void) music_list_to_relative (get_property ("articulations"), last, true);
last = music_list_to_relative (get_property ("elements"), last, false);
return last;
}
SCM callback = get_property ("to-relative-callback");
if (ly_is_procedure (callback))
{
- Pitch *p = unsmob_pitch (scm_call_2 (callback, self_scm (), last.smobbed_copy ()));
+ Pitch *p = unsmob<Pitch> (scm_call_2 (callback, self_scm (),
+ last.smobbed_copy ()));
return *p;
}
{
SCM elt = get_property ("element");
- if (Music *m = unsmob_music (elt))
+ if (Music *m = unsmob<Music> (elt))
m->compress (factor);
compress_music_list (get_property ("elements"), factor);
- Duration *d = unsmob_duration (get_property ("duration"));
+ Duration *d = unsmob<Duration> (get_property ("duration"));
if (d)
- set_property ("duration", d->compressed (factor.main_part_).smobbed_copy ());
+ set_property ("duration",
+ d->compressed (factor.main_part_).smobbed_copy ());
}
+/*
+ This mutates alist. Hence, make sure that it is not shared
+*/
+
void
-Music::transpose (Pitch delta)
+Prob::transpose (Pitch delta)
{
if (to_boolean (get_property ("untransposable")))
return;
- for (SCM s = this->get_property_alist (true); scm_is_pair (s); s = scm_cdr (s))
+ for (SCM s = mutable_property_alist_; scm_is_pair (s); s = scm_cdr (s))
{
SCM entry = scm_car (s);
+ SCM prop = scm_car (entry);
SCM val = scm_cdr (entry);
-
- if (Pitch *p = unsmob_pitch (val))
- {
- Pitch transposed = p->transposed (delta);
- scm_set_cdr_x (entry, transposed.smobbed_copy ());
-
- if (abs (transposed.get_alteration ()) > DOUBLE_SHARP)
- {
- warning (_f ("transposition by %s makes alteration larger than double",
- delta.to_string ()));
- }
- }
- }
-
- SCM elt = get_property ("element");
-
- if (Music *m = unsmob_music (elt))
- m->transpose (delta);
-
- transpose_music_list (get_property ("elements"), delta);
-
- /*
- UGH - how do this more generically?
- */
- SCM pa = get_property ("pitch-alist");
- if (scm_is_pair (pa))
- {
- set_property ("pitch-alist", ly_transpose_key_alist (pa, delta.smobbed_copy ()));
+ SCM new_val = val;
+
+ if (Pitch *p = unsmob<Pitch> (val))
+ {
+ Pitch transposed = p->transposed (delta);
+
+ if (scm_is_eq (prop, ly_symbol2scm ("tonic")))
+ transposed = Pitch (-1, transposed.get_notename (),
+ transposed.get_alteration ());
+
+ new_val = transposed.smobbed_copy ();
+ }
+ else if (scm_is_eq (prop, ly_symbol2scm ("element")))
+ {
+ if (Prob *m = unsmob<Prob> (val))
+ m->transpose (delta);
+ }
+ else if (scm_is_eq (prop, ly_symbol2scm ("elements"))
+ || scm_is_eq (prop, ly_symbol2scm ("articulations")))
+ transpose_music_list (val, delta);
+ else if (scm_is_eq (prop, ly_symbol2scm ("pitch-alist"))
+ && scm_is_pair (val))
+ new_val = ly_transpose_key_alist (val, delta.smobbed_copy ());
+
+ if (val != new_val)
+ scm_set_cdr_x (entry, new_val);
}
}
-IMPLEMENT_TYPE_P (Music, "ly:music?");
-IMPLEMENT_SMOBS (Music);
-IMPLEMENT_DEFAULT_EQUAL_P (Music);
-
-SCM
-Music::internal_get_property (SCM sym) const
+void
+Music::set_spot (Input ip)
{
- 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);
+ set_property ("origin", ip.smobbed_copy ());
}
-
-SCM
-Music::internal_get_object (SCM s) const
+Input *
+Music::origin () const
{
- return internal_get_property (s);
+ Input *ip = unsmob<Input> (get_property ("origin"));
+ return ip ? ip : &dummy_input_global;
}
-void
-Music::internal_set_object (SCM s, SCM v)
+/*
+ ES TODO: This method should probably be reworked or junked.
+*/
+Stream_event *
+Music::to_event () const
{
- return internal_set_property (s,v);
-}
+ SCM class_name = ly_camel_case_2_lisp_identifier (get_property ("name"));
+
+ // catch programming mistakes.
+ if (!internal_is_music_type (class_name))
+ programming_error ("Not a music type");
+
+ Stream_event *e = new Stream_event
+ (Lily::ly_make_event_class (class_name),
+ mutable_property_alist_);
+ Moment length = get_length ();
+ if (length.to_bool ())
+ e->set_property ("length", length.smobbed_copy ());
+
+ // articulations as events.
+ SCM art_mus = e->get_property ("articulations");
+ if (scm_is_pair (art_mus))
+ {
+ SCM art_ev = SCM_EOL;
+ for (; scm_is_pair (art_mus); art_mus = scm_cdr (art_mus))
+ {
+ Music *m = unsmob<Music> (scm_car (art_mus));
+ art_ev = scm_cons (m->to_event ()->unprotect (), art_ev);
+ }
+ e->set_property ("articulations", scm_reverse_x (art_ev, SCM_EOL));
+ }
-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 ();
+ /*
+ ES TODO: This is a temporary fix. Stream_events should not be
+ aware of music.
+ */
+ e->set_property ("music-cause", self_scm ());
- mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, s, v);
+ return e;
}
void
-Music::set_spot (Input ip)
+Music::send_to_context (Context *c)
{
- set_property ("origin", make_input (ip));
-}
-
-Input *
-Music::origin () const
-{
- Input *ip = unsmob_input (get_property ("origin"));
- return ip ? ip : &dummy_input_global;
+ Stream_event *ev = to_event ();
+ c->event_source ()->broadcast (ev);
+ ev->unprotect ();
}
Music *
make_music_by_name (SCM sym)
{
- SCM make_music_proc = ly_lily_module_constant ("make-music");
- SCM rv = scm_call_1 (make_music_proc, sym);
+ SCM rv = Lily::make_music (sym);
/* UGH. */
- Music *m = 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)
{
- Music *me = unsmob_music (m);
- Duration *d = unsmob_duration (me->get_property ("duration"));
+ Music *me = unsmob<Music> (m);
+ Duration *d = unsmob<Duration> (me->get_property ("duration"));
Moment mom;
if (d)
+ mom = d->get_length ();
+ return mom.smobbed_copy ();
+}
+
+SCM
+music_deep_copy (SCM m)
+{
+ if (Music *mus = unsmob<Music> (m))
+ return mus->clone ()->unprotect ();
+ if (scm_is_pair (m))
{
- mom = d->get_length ();
+ SCM copy = SCM_EOL;
+ do
+ {
+ copy = scm_cons (music_deep_copy (scm_car (m)), copy);
+ m = scm_cdr (m);
+ }
+ while (scm_is_pair (m));
+ // Oh, come on, GUILE. Why do you require the second argument
+ // of scm_reverse_x to be a proper list? That makes no sense.
+ // return scm_reverse_x (copy, music_deep_copy (m));
+ SCM last_cons = copy;
+ copy = scm_reverse_x (copy, SCM_EOL);
+ scm_set_cdr_x (last_cons, music_deep_copy (m));
+ return copy;
}
- return mom.smobbed_copy ();
+ return m;
+}
+
+void
+set_origin (SCM m, SCM origin)
+{
+ while (scm_is_pair (m))
+ {
+ set_origin (scm_car (m), origin);
+ m = scm_cdr (m);
+ }
+ if (Music *mus = unsmob<Music> (m))
+ mus->set_property ("origin", origin);
}
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