/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 2005--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.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
#include "music.hh"
#include "duration.hh"
+#include "input.hh"
+#include "lily-imports.hh"
+#include "program-option.hh"
#include "warn.hh"
LY_DEFINE (ly_music_length, "ly:music-length",
- 1, 0, 0, (SCM mus),
- "Get the length of music expression @var{mus} and return"
- " it as a @code{Moment} object.")
+ 1, 0, 0, (SCM mus),
+ "Get the length of music expression @var{mus} and return"
+ " it as a @code{Moment} object.")
{
- LY_ASSERT_TYPE (unsmob_music, mus, 1);
- Music *sc = unsmob_music (mus);
+ LY_ASSERT_SMOB (Music, mus, 1);
+ Music *sc = unsmob<Music> (mus);
return sc->get_length ().smobbed_copy ();
}
LY_DEFINE (ly_music_property, "ly:music-property",
- 2, 1, 0, (SCM mus, SCM sym, SCM val),
- "Return the value for property @var{sym} of music expression"
- " @var{mus}. If no value is found, return @var{val} or"
- " @code{'()} if @var{val} is not specified.")
+ 2, 1, 0, (SCM mus, SCM sym, SCM val),
+ "Return the value for property @var{sym} of music expression"
+ " @var{mus}. If no value is found, return @var{val} or"
+ " @code{'()} if @var{val} is not specified.")
{
- LY_ASSERT_TYPE (unsmob_music, mus, 1);
+ LY_ASSERT_SMOB (Music, mus, 1);
return ly_prob_property (mus, sym, val);
}
LY_DEFINE (ly_music_set_property_x, "ly:music-set-property!",
- 3, 0, 0, (SCM mus, SCM sym, SCM val),
- "Set property @var{sym} in music expression @var{mus} to"
- " @var{val}.")
+ 3, 0, 0, (SCM mus, SCM sym, SCM val),
+ "Set property @var{sym} in music expression @var{mus} to"
+ " @var{val}.")
{
- LY_ASSERT_TYPE (unsmob_music, mus, 1);
+ LY_ASSERT_SMOB (Music, mus, 1);
return ly_prob_set_property_x (mus, sym, val);
}
-
/* todo: property args */
LY_DEFINE (ly_make_music, "ly:make-music",
- 1, 0, 0, (SCM props),
- "Make a C++ @code{Music} object and initialize it with"
- " @var{props}.\n"
- "\n"
- "This function is for internal use and is only called by"
- " @code{make-music}, which is the preferred interface"
- " for creating music objects.")
+ 1, 0, 0, (SCM props),
+ "Make a C++ @code{Music} object and initialize it with"
+ " @var{props}.\n"
+ "\n"
+ "This function is for internal use and is only called by"
+ " @code{make-music}, which is the preferred interface"
+ " for creating music objects.")
{
Music *ms = new Music (props);
return ms->unprotect ();
}
LY_DEFINE (ly_music_p, "ly:music?",
- 1, 0, 0, (SCM obj),
- "Is @var{obj} a music object?")
+ 1, 0, 0, (SCM obj),
+ "Is @var{obj} a music object?")
+{
+ return ly_bool2scm (unsmob<Music> (obj));
+}
+
+LY_DEFINE (ly_event_p, "ly:event?",
+ 1, 0, 0, (SCM obj),
+ "Is @var{obj} a proper (non-rhythmic) event object?")
{
- return scm_from_bool (unsmob_music (obj));
+ if (Music *m = unsmob<Music> (obj))
+ {
+ return scm_from_bool (m->is_mus_type ("post-event"));
+ }
+ return SCM_BOOL_F;
}
/* todo: property args */
LY_DEFINE (ly_music_mutable_properties, "ly:music-mutable-properties",
- 1, 0, 0, (SCM mus),
- "Return an alist containing the mutable properties of @var{mus}."
- " The immutable properties are not available, since they are"
- " constant and initialized by the @code{make-music} function.")
+ 1, 0, 0, (SCM mus),
+ "Return an alist containing the mutable properties of @var{mus}."
+ " The immutable properties are not available, since they are"
+ " constant and initialized by the @code{make-music} function.")
{
- LY_ASSERT_TYPE (unsmob_music, mus, 1);
- Music *m = unsmob_music (mus);
+ LY_ASSERT_SMOB (Music, mus, 1);
+ Music *m = unsmob<Music> (mus);
return m->get_property_alist (true);
}
LY_DEFINE (ly_music_list_p, "ly:music-list?",
- 1, 0, 0, (SCM lst),
- "Is @var{lst} a list of music objects?")
+ 1, 0, 0, (SCM lst),
+ "Is @var{lst} a list of music objects?")
{
- if (scm_list_p (lst) == SCM_BOOL_T)
- while (scm_is_pair (lst))
- {
- if (!unsmob_music (scm_car (lst)))
- return SCM_BOOL_F;
- lst = scm_cdr (lst);
- }
+ if (!ly_is_list (lst))
+ return SCM_BOOL_F;
+
+ while (scm_is_pair (lst))
+ {
+ if (!unsmob<Music> (scm_car (lst)))
+ return SCM_BOOL_F;
+ lst = scm_cdr (lst);
+ }
return SCM_BOOL_T;
}
LY_DEFINE (ly_music_deep_copy, "ly:music-deep-copy",
- 1, 0, 0, (SCM m),
- "Copy @var{m} and all sub expressions of@tie{}@var{m}.")
+ 1, 1, 0, (SCM m, SCM origin),
+ "Copy @var{m} and all sub expressions of@tie{}@var{m}."
+ " @var{m} may be an arbitrary type; cons cells and music"
+ " are copied recursively. If @var{origin} is given,"
+ " it is used as the origin for one level of music by calling"
+ " @code{ly:set-origin!} on the copy.")
{
- SCM copy = m;
- if (unsmob_music (m))
- {
- Music *mcopy = unsmob_music (m)->clone ();
- copy = mcopy->unprotect ();
- }
- else if (scm_is_pair (m))
- copy = scm_cons (ly_music_deep_copy (scm_car (m)),
- ly_music_deep_copy (scm_cdr (m)));
- return copy;
+ m = music_deep_copy (m);
+
+ if (SCM_UNBNDP (origin))
+ return m;
+
+ if (Music *mus = unsmob<Music> (origin))
+ origin = mus->get_property ("origin");
+
+ if (scm_is_false (origin) || scm_is_null (origin))
+ return m;
+
+ LY_ASSERT_SMOB (Input, origin, 2);
+
+ set_origin (m, origin);
+ return m;
+}
+
+LY_DEFINE (ly_set_origin_x, "ly:set-origin!",
+ 1, 1, 0, (SCM m, SCM origin),
+ "This sets the origin given in @var{origin} to @var{m}. "
+ " @var{m} will typically be a music expression or a list"
+ " of music. List structures are searched recursively,"
+ " but recursion stops at the changed music expressions"
+ " themselves. "
+ " @var{origin} is generally of type @code{ly:input-location?},"
+ " defaulting to @code{(*location*)}. Other valid values for"
+ " @code{origin} are a music expression which is then used as"
+ " the source of location information, or @code{#f}"
+ " or @code{'()} in which case no action is performed. "
+ " The return value is @var{m} itself.")
+{
+ if (SCM_UNBNDP (origin))
+ origin = scm_fluid_ref (Lily::f_location);
+ else if (Music *mus = unsmob<Music> (origin))
+ origin = mus->get_property ("origin");
+
+ if (scm_is_false (origin) || scm_is_null (origin))
+ return m;
+
+ LY_ASSERT_SMOB (Input, origin, 2);
+
+ set_origin (m, origin);
+ return m;
}
LY_DEFINE (ly_music_transpose, "ly:music-transpose",
- 2, 0, 0, (SCM m, SCM p),
- "Transpose @var{m} such that central@tie{}C is mapped"
- " to@tie{}@var{p}. Return@tie{}@var{m}.")
+ 2, 0, 0, (SCM m, SCM p),
+ "Transpose @var{m} such that central@tie{}C is mapped"
+ " to@tie{}@var{p}. Return@tie{}@var{m}.")
{
- LY_ASSERT_TYPE (unsmob_music, m, 1);
+ LY_ASSERT_SMOB (Music, m, 1);
LY_ASSERT_SMOB (Pitch, p, 2);
- Music *sc = unsmob_music (m);
- Pitch *sp = unsmob_pitch (p);
+ Music *sc = unsmob<Music> (m);
+ Pitch *sp = unsmob<Pitch> (p);
sc->transpose (*sp);
// SCM_UNDEFINED ?
TODO: should take moment factor?
*/
LY_DEFINE (ly_music_compress, "ly:music-compress",
- 2, 0, 0, (SCM m, SCM factor),
- "Compress music object@tie{}@var{m} by moment @var{factor}.")
+ 2, 0, 0, (SCM m, SCM factor),
+ "Compress music object@tie{}@var{m} by moment @var{factor}.")
{
- LY_ASSERT_TYPE (unsmob_music, m, 1);
- LY_ASSERT_TYPE (unsmob_moment, factor, 2);
+ LY_ASSERT_SMOB (Music, m, 1);
+ LY_ASSERT_SMOB (Moment, factor, 2);
- Music *sc = unsmob_music (m);
- sc->compress (*unsmob_moment (factor));
+ Music *sc = unsmob<Music> (m);
+ sc->compress (*unsmob<Moment> (factor));
return sc->self_scm ();
}
+LY_DEFINE (ly_make_music_relative_x, "ly:make-music-relative!",
+ 2, 0, 0, (SCM music, SCM pitch),
+ "Make @var{music} relative to @var{pitch},"
+ " return final pitch.")
+{
+ LY_ASSERT_SMOB (Music, music, 1);
+ LY_ASSERT_SMOB (Pitch, pitch, 2);
+
+ Pitch start = *unsmob<Pitch> (pitch);
+ Music *m = unsmob<Music> (music);
+ Pitch last = m->to_relative_octave (start);
+
+ return last.smobbed_copy ();
+}
+
LY_DEFINE (ly_music_duration_length, "ly:music-duration-length", 1, 0, 0,
- (SCM mus),
- "Extract the duration field from @var{mus} and return the"
- " length.")
+ (SCM mus),
+ "Extract the duration field from @var{mus} and return the"
+ " length.")
{
- LY_ASSERT_TYPE (unsmob_music, mus, 1);
- Music *m = unsmob_music (mus);
+ LY_ASSERT_SMOB (Music, mus, 1);
+ Music *m = unsmob<Music> (mus);
- Duration *d = unsmob_duration (m->get_property ("duration"));
+ Duration *d = unsmob<Duration> (m->get_property ("duration"));
Moment len;
if (d)
}
LY_DEFINE (ly_music_duration_compress, "ly:music-duration-compress", 2, 0, 0,
- (SCM mus, SCM fact),
- "Compress @var{mus} by factor @var{fact}, which is a"
- " @code{Moment}.")
+ (SCM mus, SCM fact),
+ "Compress @var{mus} by factor @var{fact}, which is a"
+ " @code{Moment}.")
{
- LY_ASSERT_TYPE (unsmob_music, mus, 1);
+ LY_ASSERT_SMOB (Music, mus, 1);
LY_ASSERT_SMOB (Moment, fact, 2);
-
- Music *m = unsmob_music (mus);
- Moment *f = unsmob_moment (fact);
- Duration *d = unsmob_duration (m->get_property ("duration"));
+ Music *m = unsmob<Music> (mus);
+ Moment *f = unsmob<Moment> (fact);
+
+ Duration *d = unsmob<Duration> (m->get_property ("duration"));
if (d)
m->set_property ("duration", d->compressed (f->main_part_).smobbed_copy ());
return SCM_UNSPECIFIED;
TODO: this should use ly:pitch.
*/
LY_DEFINE (ly_transpose_key_alist, "ly:transpose-key-alist",
- 2, 0, 0, (SCM l, SCM pit),
- "Make a new key alist of@tie{}@var{l} transposed by"
- " pitch @var{pit}.")
+ 2, 0, 0, (SCM l, SCM pit),
+ "Make a new key alist of@tie{}@var{l} transposed by"
+ " pitch @var{pit}.")
{
SCM newlist = SCM_EOL;
- Pitch *p = unsmob_pitch (pit);
+ Pitch *p = unsmob<Pitch> (pit);
for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
{
SCM key = scm_caar (s);
SCM alter = scm_cdar (s);
if (scm_is_pair (key))
- {
- Pitch orig (scm_to_int (scm_car (key)),
- scm_to_int (scm_cdr (key)),
- ly_scm2rational (alter));
+ {
+ Pitch orig (scm_to_int (scm_car (key)),
+ scm_to_int (scm_cdr (key)),
+ ly_scm2rational (alter));
- orig = orig.transposed (*p);
+ orig = orig.transposed (*p);
- SCM key = scm_cons (scm_from_int (orig.get_octave ()),
- scm_from_int (orig.get_notename ()));
+ SCM key = scm_cons (scm_from_int (orig.get_octave ()),
+ scm_from_int (orig.get_notename ()));
- newlist = scm_cons (scm_cons (key, ly_rational2scm (orig.get_alteration ())),
- newlist);
- }
+ newlist = scm_cons (scm_cons (key, ly_rational2scm (orig.get_alteration ())),
+ newlist);
+ }
else if (scm_is_number (key))
- {
- Pitch orig (0, scm_to_int (key), ly_scm2rational (alter));
- orig = orig.transposed (*p);
-
- key = scm_from_int (orig.get_notename ());
- alter = ly_rational2scm (orig.get_alteration ());
- newlist = scm_cons (scm_cons (key, alter), newlist);
- }
+ {
+ Pitch orig (0, scm_to_int (key), ly_scm2rational (alter));
+ orig = orig.transposed (*p);
+
+ key = scm_from_int (orig.get_notename ());
+ alter = ly_rational2scm (orig.get_alteration ());
+ newlist = scm_cons (scm_cons (key, alter), newlist);
+ }
}
return scm_reverse_x (newlist, SCM_EOL);
}
-
projects / lilypond.git / blobdiff