source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
-#include "music.hh"
+#include "duration.hh"
+#include "input-smob.hh"
+#include "ly-smobs.icc"
+#include "main.hh"
#include "music-list.hh"
-#include "debug.hh"
-#include "musical-pitch.hh"
+#include "music.hh"
+#include "pitch.hh"
+#include "score.hh"
+#include "warn.hh"
+
+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);
+ }
+}
+
+Music::Music ()
+{
+ self_scm_ = SCM_EOL;
+ immutable_property_alist_ = SCM_EOL;
+ mutable_property_alist_ = SCM_EOL;
+ smobify_self ();
+}
+
+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. */
+ smobify_self ();
+ mutable_property_alist_ = ly_deep_mus_copy (m.mutable_property_alist_);
+ set_spot (*m.origin ());
+}
+
+Music::~Music ()
+{
+}
+
+ADD_MUSIC (Music);
+
+SCM
+Music::get_property_alist (bool m) const
+{
+ return (m) ? mutable_property_alist_ : immutable_property_alist_;
+}
+
+SCM
+Music::mark_smob (SCM 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::duration () const
+Music::get_length () const
{
+ SCM lst = get_property ("length");
+ if (unsmob_moment (lst))
+ return *unsmob_moment (lst);
+ else if (ly_c_procedure_p (lst))
+ {
+ SCM res = scm_call_1 (lst, self_scm ());
+ return *unsmob_moment (res);
+ }
+
return 0;
}
+Moment
+Music::start_mom () const
+{
+ SCM lst = get_property ("start-moment-function");
+ if (ly_c_procedure_p (lst))
+ {
+ SCM res = scm_call_1 (lst, self_scm ());
+ return *unsmob_moment (res);
+ }
+
+ Moment m;
+ return m;
+}
+
void
-Music::print() const
-{
-#ifndef NPRINT
- if (! check_debug)
- return ;
- DOUT << classname(this) << "{";
- if (translator_type_str_.length_i ())
- DOUT << translator_type_str_ << " = " << translator_id_str_;
- do_print();
- DOUT << "}\n";
-#endif
+print_alist (SCM a, SCM port)
+{
+ /* SCM_EOL -> catch malformed lists. */
+ for (SCM s = a; ly_c_pair_p (s); s = ly_cdr (s))
+ {
+ scm_display (ly_caar (s), port);
+ scm_puts (" = ", port);
+ scm_write (ly_cdar (s), port);
+ scm_puts ("\n", port);
+ }
+}
+
+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::to_relative_octave (Pitch p)
+{
+ 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::transpose (Musical_pitch )
+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);
+}
+
+void
+Music::transpose (Pitch delta)
+{
+ SCM elt = get_property ("element");
+
+ if (Music* m = unsmob_music (elt))
+ m->transpose (delta);
+
+ 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_property (SCM sym) const
+{
+ SCM s = scm_sloppy_assq (sym, mutable_property_alist_);
+ if (s != SCM_BOOL_F)
+ return ly_cdr (s);
+
+ s = scm_sloppy_assq (sym, immutable_property_alist_);
+ return (s == SCM_BOOL_F) ? SCM_EOL : ly_cdr (s);
+}
+
+void
+Music::internal_set_property (SCM s, SCM v)
+{
+ if (internal_type_checking_global_b)
+ if (!type_check_assignment (s, v, ly_symbol2scm ("music-type?")))
+ abort ();
+
+ mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, s, v);
}
void
-Music::do_print() const
+Music::set_spot (Input ip)
{
+ set_property ("origin", make_input (ip));
}
+Input*
+Music::origin () const
+{
+ Input *ip = unsmob_input (get_property ("origin"));
+ return ip ? ip : & dummy_input_global;
+}
+int
+Music::duration_log () const
+{
+ if (is_mus_type ("rhythmic-event"))
+ return unsmob_duration (get_property ("duration"))->duration_log ();
+ return 0;
+}
+Music*
+make_music_by_name (SCM sym)
+{
+ SCM make_music_proc = ly_scheme_function ("make-music");
+ SCM rv = scm_call_1 (make_music_proc, sym);
+ /* UGH. */
+ scm_gc_protect_object (rv);
+ return unsmob_music (rv);
+}
+LY_DEFINE (ly_music_length, "ly:music-length",
+ 1, 0, 0, (SCM mus),
+ "Get the length of music expression @var{mus}, and return as a @code{Moment} object.")
+{
+ Music *sc = unsmob_music (mus);
+ SCM_ASSERT_TYPE (sc, mus, SCM_ARG1, __FUNCTION__, "music");
+ return sc->get_length ().smobbed_copy ();
+}
-
-Music::Music()
+LY_DEFINE (ly_music_property,
+ "ly:music-property", 2, 0, 0, (SCM mus, SCM sym),
+ "Get the property @var{sym} of music expression @var{mus}.\n"
+ "If @var{sym} is undefined, return @code{' ()}.\n" )
{
+ Music * sc = unsmob_music (mus);
+ SCM_ASSERT_TYPE (sc, mus, SCM_ARG1, __FUNCTION__, "music");
+ SCM_ASSERT_TYPE (scm_is_symbol (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
+
+ return sc->internal_get_property (sym);
}
-Musical_pitch
-Music::to_relative_octave (Musical_pitch m)
+LY_DEFINE (ly_music_set_property, "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}.")
{
- return m;
+ Music * sc = unsmob_music (mus);
+ SCM_ASSERT_TYPE (sc, mus, SCM_ARG1, __FUNCTION__, "music");
+ SCM_ASSERT_TYPE (scm_is_symbol (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
+
+ bool ok = type_check_assignment (sym, val, ly_symbol2scm ("music-type?"));
+ if (ok)
+ {
+ sc->internal_set_property (sym, val);
+ }
+
+ return SCM_UNSPECIFIED;
}
-void
-Music::compress (Moment)
+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");
+
+ char const *nm = classname (m);
+ return scm_makfrom0str (nm);
+}
+
+/* todo: property args */
+LY_DEFINE (ly_extended_make_music, "ly:make-bare-music",
+ 2, 0, 0, (SCM type, SCM props),
+ "Make a C++ music object of type @var{type}, initialize with\n"
+ "@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. "
+ )
+{
+ SCM_ASSERT_TYPE (scm_is_string (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;
+}
+
+/* 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}.\n"
+ "The immutable properties are not available, since "
+ "they are constant and initialized by the "
+ "@code{make-music} 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,"ly:music-list?",
+ 1, 0, 0, (SCM lst),
+ "Type predicate: return true if @var{lst} is a list "
+ "of music objects.")
+{
+ if (scm_list_p (lst) == SCM_BOOL_T)
+ while (ly_c_pair_p (lst))
+ {
+ if (!unsmob_music (ly_car (lst)))
+ return SCM_BOOL_F;
+ lst = ly_cdr (lst);
+ }
+
+ return SCM_BOOL_T;
+}
+
+LY_DEFINE (ly_deep_mus_copy, "ly:music-deep-copy",
+ 1, 0, 0, (SCM m),
+ "Copy @var{m} and all sub expressions of @var{m}")
+{
+ SCM copy = m;
+ if (unsmob_music (m))
+ {
+ copy = unsmob_music (m)->clone ()->self_scm ();
+ scm_gc_unprotect_object (copy);
+ }
+ else if (ly_c_pair_p (m))
+ copy = scm_cons (ly_deep_mus_copy (ly_car (m)),
+ ly_deep_mus_copy (ly_cdr (m)));
+ return copy;
+}
+
+LY_DEFINE (ly_music_transpose, "ly:music-transpose",
+ 2, 0, 0, (SCM m, SCM p),
+ "Transpose @var{m} such that central C is mapped to @var{p}. "
+ "Return @var{m}.")
+{
+ Music * sc = unsmob_music (m);
+ Pitch * sp = unsmob_pitch (p);
+ SCM_ASSERT_TYPE (sc, m, SCM_ARG1, __FUNCTION__, "music");
+ SCM_ASSERT_TYPE (sp, p, SCM_ARG2, __FUNCTION__, "pitch");
+
+ sc->transpose (*sp);
+ // SCM_UNDEFINED ?
+ return sc->self_scm ();
+}
+
+/*
+ TODO: should take moment factor?
+ */
+LY_DEFINE (ly_music_compress, "ly:music-compress",
+ 2, 0, 0, (SCM m, SCM factor),
+ "Compress music object @var{m} by moment @var{factor}."
+ )
+{
+ Music * sc = unsmob_music (m);
+
+ SCM_ASSERT_TYPE (sc, m, SCM_ARG1, __FUNCTION__, "music");
+ SCM_ASSERT_TYPE (unsmob_moment (factor), factor, SCM_ARG2, __FUNCTION__, "moment");
+
+ sc->compress (*unsmob_moment (factor));
+ return sc->self_scm ();
+}
+
+LY_DEFINE (ly_music_scorify, "ly:music-scorify",
+ 2, 0, 0,
+ (SCM music, SCM parser),
+ "Return MUSIC encapsulated in SCORE.")
+{
+#if 0
+ SCM_ASSERT_TYPE (ly_c_music_p (music), music, SCM_ARG1, __FUNCTION__, "music");
+#endif
+ Score *score = new Score;
+
+ score->set_music (music, parser);
+
+ scm_gc_unprotect_object (score->self_scm ());
+ return score->self_scm ();
}
projects / lilypond.git / blobdiff