source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "main.hh"
-#include "input-smob.hh"
#include "music.hh"
+
+#include "duration.hh"
+#include "input-smob.hh"
+#include "ly-smobs.icc"
+#include "main.hh"
#include "music-list.hh"
-#include "warn.hh"
#include "pitch.hh"
-#include "ly-smobs.icc"
-
-SCM
-ly_deep_mus_copy (SCM m)
-{
- if (unsmob_music (m))
- {
- SCM ss = unsmob_music (m)->clone ()->self_scm ();
- scm_gc_unprotect_object (ss);
- return ss;
- }
- else if (gh_pair_p (m))
- {
- return gh_cons (ly_deep_mus_copy (ly_car (m)), ly_deep_mus_copy (ly_cdr (m)));
- }
- else
- return m;
-}
+#include "score.hh"
+#include "warn.hh"
bool
-Music::internal_is_music_type (SCM k)const
+Music::internal_is_music_type (SCM k) const
{
- SCM ifs = get_mus_property ("types");
+ SCM ifs = get_property ("types");
- return scm_memq (k, ifs) != SCM_BOOL_F;
+ return scm_c_memq (k, ifs) != SCM_BOOL_F;
}
String
-Music::name ()const
+Music::name () const
{
- SCM nm = get_mus_property ("name");
- if (gh_string_p (nm))
+ SCM nm = get_property ("name");
+ if (scm_is_symbol (nm))
{
- return ly_scm2string (nm);
+ return ly_symbol2string (nm);
}
else
{
}
}
-void
-Music::transpose (Pitch)
+Music::Music (SCM init)
{
-}
+ self_scm_ = SCM_EOL;
+ immutable_property_alist_ = init;
+ mutable_property_alist_ = SCM_EOL;
+ smobify_self ();
-void
-Music::compress (Moment)
-{
+ length_callback_ = get_property ("length-callback");
+ start_callback_ = get_property ("start-callback");
}
-
Music::Music (Music const &m)
{
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.
- */
+ /* 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_deep_mus_copy (m.mutable_property_alist_);
+ 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 ());
}
-Music::Music ()
+Music::~Music ()
{
- self_scm_ = SCM_EOL;
- immutable_property_alist_ = SCM_EOL;
- mutable_property_alist_ = SCM_EOL;
- smobify_self ();
}
+ADD_MUSIC (Music);
+
SCM
Music::get_property_alist (bool m) const
{
SCM
Music::mark_smob (SCM m)
{
- Music * mus = (Music *)SCM_CELL_WORD_1 (m);
+ Music *mus = (Music*) SCM_CELL_WORD_1 (m);
scm_gc_mark (mus->immutable_property_alist_);
scm_gc_mark (mus->mutable_property_alist_);
return SCM_EOL;
Moment
Music::get_length () const
{
- SCM l = get_mus_property ("length");
- if (unsmob_moment (l))
- return *unsmob_moment (l);
- else if (gh_procedure_p (l))
+ SCM lst = get_property ("length");
+ if (unsmob_moment (lst))
+ return *unsmob_moment (lst);
+
+ if (ly_c_procedure_p (length_callback_))
{
- SCM res = gh_call1 (l, self_scm ());
+ SCM res = scm_call_1 (length_callback_, self_scm ());
return *unsmob_moment (res);
}
-
- return 0;
+
+ return Moment(0);
}
Moment
Music::start_mom () const
{
- SCM l = get_mus_property ("start-moment-function");
- if (gh_procedure_p (l))
+ SCM lst = get_property ("start-callback");
+ if (ly_c_procedure_p (lst))
{
- SCM res = gh_call1 (l, self_scm ());
+ SCM res = scm_call_1 (lst, self_scm ());
return *unsmob_moment (res);
}
- Moment m ;
+ Moment m;
return m;
}
void
print_alist (SCM a, SCM port)
{
- /*
- SCM_EOL -> catch malformed lists.
- */
- for (SCM s = a; gh_pair_p (s); s = ly_cdr (s))
+ /* SCM_EOL -> catch malformed lists. */
+ for (SCM s = a; scm_is_pair (s); s = scm_cdr (s))
{
- scm_display (ly_caar (s), port);
- scm_puts (" = ", port);
- scm_write (ly_cdar (s), port);
+ scm_display (scm_caar (s), port);
+ scm_puts (" = ", port);
+ scm_write (scm_cdar (s), port);
scm_puts ("\n", port);
}
}
{
scm_puts ("#<Music ", p);
Music* m = unsmob_music (s);
- scm_puts (classname (m),p);
- print_alist (m->mutable_property_alist_, p);
- print_alist (m->immutable_property_alist_, p);
-
+ 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::to_relative_octave (Pitch m)
+Music::to_relative_octave (Pitch p)
{
- return m;
+ SCM elt = get_property ("element");
+
+ if (Music *m = unsmob_music (elt))
+ p = m->to_relative_octave (p);
+
+ p = music_list_to_relative (get_property ("elements"), p, false);
+ return p;
+}
+
+void
+Music::compress (Moment factor)
+{
+ SCM elt = get_property ("element");
+
+ if (Music *m = unsmob_music (elt))
+ m->compress (factor);
+
+ compress_music_list (get_property ("elements"), factor);
+ Duration *d = unsmob_duration (get_property ("duration"));
+ if (d)
+ set_property ("duration", d ->compressed (factor.main_part_).smobbed_copy ());
}
+void
+Music::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))
+ {
+ SCM entry = scm_car (s);
+ 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);
-IMPLEMENT_TYPE_P (Music, "music?");
+ transpose_music_list (get_property ("elements"), delta);
+}
+IMPLEMENT_TYPE_P (Music, "ly:music?");
IMPLEMENT_SMOBS (Music);
IMPLEMENT_DEFAULT_EQUAL_P (Music);
-/****************************/
-
SCM
-Music::internal_get_mus_property (SCM sym) const
+Music::internal_get_property (SCM sym) const
{
SCM s = scm_sloppy_assq (sym, mutable_property_alist_);
if (s != SCM_BOOL_F)
- return ly_cdr (s);
+ return scm_cdr (s);
s = scm_sloppy_assq (sym, immutable_property_alist_);
- return (s == SCM_BOOL_F) ? SCM_EOL : ly_cdr (s);
+ return (s == SCM_BOOL_F) ? SCM_EOL : scm_cdr (s);
}
void
-Music::internal_set_mus_property (SCM s, SCM v)
+Music::internal_set_property (SCM s, SCM v)
{
- if (internal_type_checking_global_b)
+ 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);
+ mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, s, v);
}
-
-
-#include "main.hh"
-
void
Music::set_spot (Input ip)
{
- set_mus_property ("origin", make_input (ip));
+ set_property ("origin", make_input (ip));
}
Input*
Music::origin () const
{
- Input *ip = unsmob_input (get_mus_property ("origin"));
- return ip ? ip : & dummy_input_global;
+ Input *ip = unsmob_input (get_property ("origin"));
+ return ip ? ip : & dummy_input_global;
}
-
-Music::~Music ()
-{
-
-}
-
-LY_DEFINE(ly_get_mus_property,
- "ly-get-mus-property", 2, 0, 0, (SCM mus, SCM sym),
- "Get the property @var{sym} of music expression @var{mus}.")
-{
- Music * sc = unsmob_music (mus);
- SCM_ASSERT_TYPE(sc, mus, SCM_ARG1, __FUNCTION__, "music");
- SCM_ASSERT_TYPE(gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
-
- return sc->internal_get_mus_property (sym);
-}
-
-LY_DEFINE(ly_set_mus_property,
- "ly-set-mus-property!", 3, 0, 0,
- (SCM mus, SCM sym, SCM val),
- "Set property @var{sym} in music expression @var{mus} to @var{val}.")
-{
- Music * sc = unsmob_music (mus);
- SCM_ASSERT_TYPE(sc, mus, SCM_ARG1, __FUNCTION__, "music");
- SCM_ASSERT_TYPE(gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
-
- bool ok = type_check_assignment (sym, val, ly_symbol2scm ("music-type?"));
- if (ok)
- {
- sc->internal_set_mus_property (sym, val);
- }
-
- return SCM_UNSPECIFIED;
-}
-
-
-LY_DEFINE(ly_music_name, "ly-music-name", 1, 0, 0,
- (SCM mus),
- "Return the name of @var{music}.")
-{
- Music * m = unsmob_music (mus);
- SCM_ASSERT_TYPE(m, mus, SCM_ARG1, __FUNCTION__ ,"music");
-
- const char * nm = classname (m);
- return scm_makfrom0str (nm);
-}
-
-
-
-// to do property args
-LY_DEFINE(ly_extended_make_music,
- "ly-make-bare-music", 2, 0, 0, (SCM type, SCM props),
- "Make a music object/expression of type @var{type}, init with\n"
-"@var{props}. Warning: this interface will likely change in the near\n"
-"future.\n"
-"\n"
-"Music is the data type that music expressions are stored in. The data\n"
-"type does not yet offer many manipulations.\n"
-"\n"
-"WARNING: only for internal use. Please use make-music-by-name. \n"
-)
-{
- SCM_ASSERT_TYPE(gh_string_p (type), type, SCM_ARG1, __FUNCTION__, "string");
-
- SCM s = make_music (ly_scm2string (type))->self_scm ();
- unsmob_music (s)->immutable_property_alist_ = props;
- scm_gc_unprotect_object (s);
- return s;
-}
-
-// to do property args
-LY_DEFINE(ly_get_mutable_properties,
- "ly-get-mutable-properties", 1, 0, 0, (SCM mus),
-"Return an alist signifying the mutable properties of @var{mus}.\n"
-"The immutable properties are not available; they should be initialized\n"
-"by the functions make-music-by-name function.\n"
-)
-{
- Music *m = unsmob_music (mus);
- SCM_ASSERT_TYPE(m, mus, SCM_ARG1, __FUNCTION__, "music");
-
- return m->get_property_alist (true);
-}
-
-LY_DEFINE(ly_music_list_p,"music-list?", 1, 0, 0,
- (SCM l),"Type predicate: return true if @var{l} is a list of music objects.")
+int
+Music::duration_log () const
{
- if (scm_list_p (l) != SCM_BOOL_T)
- return SCM_BOOL_F;
-
- while (gh_pair_p (l))
- {
- if (!unsmob_music (gh_car (l)))
- return SCM_BOOL_F;
- l =gh_cdr (l);
- }
- return SCM_BOOL_T;
+ if (is_mus_type ("rhythmic-event"))
+ return unsmob_duration (get_property ("duration"))->duration_log ();
+ return 0;
}
-ADD_MUSIC(Music);
-
-
-SCM make_music_proc;
-
Music*
make_music_by_name (SCM sym)
{
- if (!make_music_proc)
- make_music_proc = scm_primitive_eval (ly_symbol2scm ("make-music-by-name"));
-
+ SCM make_music_proc = ly_lily_module_constant ("make-music");
SCM rv = scm_call_1 (make_music_proc, sym);
- /*
- UGH.
- */
+ /* UGH. */
scm_gc_protect_object (rv);
return unsmob_music (rv);
}