source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
+#include "input-smob.hh"
#include "music.hh"
#include "music-list.hh"
#include "debug.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_unprotect_object (ss);
+ return ss;
+ }
+ else if (gh_pair_p (m))
+ {
+ return gh_cons (ly_deep_mus_copy (gh_car (m)), ly_deep_mus_copy (gh_cdr (m)));
+ }
+ else
+ return m;
+}
+
+
+Music::Music (Music const &m)
+{
+ immutable_property_alist_ = m.immutable_property_alist_;
+ SCM c =ly_deep_mus_copy (m.mutable_property_alist_);
+ mutable_property_alist_ = c;
+
+ smobify_self ();
+
+ set_spot (*m.origin ());
+}
+
+
+Music::Music(SCM l)
+{
+ immutable_property_alist_ = l;
+ mutable_property_alist_ = SCM_EOL;
+ smobify_self ();
+}
+
+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;
+}
+
+void
+Music::compress (Moment)
+{
+}
+
+
-MInterval
-Music::time_int() const
+Moment
+Music::length_mom () const
{
- return MInterval(0,0);
+ SCM l = get_mus_property ("length");
+ if (unsmob_moment (l))
+ return *unsmob_moment(l);
+ else if (gh_procedure_p (l))
+ {
+ SCM res = gh_call1(l, self_scm( ));
+ return *unsmob_moment(res);
+ }
+
+ return 0;
}
void
-Music::print()const
+print_alist (SCM a, SCM port)
+{
+ for (SCM s = a; gh_pair_p (s); s = gh_cdr (s))
+ {
+ scm_display (gh_caar (s), port);
+ scm_puts (" = ", port);
+ scm_write (gh_cdar (s), port);
+ scm_puts ("\n", port);
+ }
+}
+
+int
+Music::print_smob(SCM s, SCM p, scm_print_state*)
{
-#ifndef NPRINT
- mtor << name() << "{";
- if (type_str_!="" || id_str_!="")
- mtor << "`" <<type_str_ << " = " << id_str_<<"\'";
- do_print();
- mtor << "}\n";
-#endif
+ 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_puts (">",p);
+ return 1;
}
+Pitch
+Music::to_relative_octave (Pitch m)
+{
+ return m;
+}
+
+
void
-Music::transpose(Melodic_req const*)
+Music::transpose (Pitch )
{
-
+}
+
+IMPLEMENT_TYPE_P(Music, "music?");
+IMPLEMENT_UNSMOB(Music,music);
+IMPLEMENT_SMOBS(Music);
+IMPLEMENT_DEFAULT_EQUAL_P(Music);
+
+/****************************/
+
+SCM
+Music::get_mus_property (const char *nm) const
+{
+ SCM sym = ly_symbol2scm (nm);
+ return get_mus_property (sym);
+}
+
+SCM
+Music::get_mus_property (SCM sym) const
+{
+ SCM s = scm_sloppy_assq(sym, mutable_property_alist_);
+ if (s != SCM_BOOL_F)
+ return gh_cdr (s);
+
+ s = scm_sloppy_assq (sym, immutable_property_alist_);
+ return (s == SCM_BOOL_F) ? SCM_EOL : gh_cdr (s);
+}
+
+/*
+ Remove the value associated with KEY, and return it. The result is
+ that a next call will yield SCM_EOL (and not the underlying
+ `basic' property.
+*/
+SCM
+Music::remove_mus_property (const char* key)
+{
+ SCM val = get_mus_property (key);
+ if (val != SCM_EOL)
+ set_mus_property (key, SCM_EOL);
+ return val;
}
void
-Music::translate(Moment )
+Music::set_mus_property (const char* k, SCM v)
{
+ SCM s = ly_symbol2scm (k);
+ set_mus_property (s, v);
}
void
-Music::do_print()const
+Music::set_immutable_mus_property (const char*k, SCM v)
{
+ SCM s = ly_symbol2scm (k);
+ set_immutable_mus_property (s, v);
}
+void
+Music::set_immutable_mus_property (SCM s, SCM v)
+{
+ immutable_property_alist_ = gh_cons (gh_cons (s,v), mutable_property_alist_);
+ mutable_property_alist_ = scm_assq_remove_x (mutable_property_alist_, s);
+}
+void
+Music::set_mus_property (SCM s, SCM v)
+{
+ mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, s, v);
+}
-IMPLEMENT_IS_TYPE_B(Music);
+void
+Music::set_spot (Input ip)
+{
+ set_mus_property ("origin", make_input (ip));
+}
-
-Music::Music()
+Input*
+Music::origin () const
{
- parent_music_l_ =0;
+ Input *ip = unsmob_input (get_mus_property ("origin"));
+ return ip ? ip : & dummy_input_global;
}
-IMPLEMENT_IS_TYPE_B1(Change_reg,Music)
+
+
+
+Music::~Music ()
+{
+
+}
+
+SCM
+ly_get_mus_property (SCM mus, SCM sym)
+{
+ Music * sc = unsmob_music (mus);
+
+ if (sc)
+ {
+ return sc->get_mus_property (sym);
+ }
+ else
+ {
+ warning (_("ly_get_mus_property (): Not a Music"));
+ scm_write (mus, scm_current_error_port ());
+ }
+ return SCM_EOL;
+}
+
+
+SCM
+ly_set_mus_property (SCM mus, SCM sym, SCM val)
+{
+ Music * sc = unsmob_music (mus);
+
+ if (!gh_symbol_p (sym))
+ {
+ warning (_("ly_set_mus_property (): Not a symbol"));
+ scm_write (mus, scm_current_error_port ());
+
+ return SCM_UNSPECIFIED;
+ }
+
+ if (sc)
+ {
+ sc->set_mus_property (sym, val);
+ }
+ else
+ {
+ warning (_("ly_set_mus_property (): not of type Music"));
+ scm_write (mus, scm_current_error_port ());
+ }
+
+ return SCM_UNSPECIFIED;
+}
+
+static void
+init_functions ()
+{
+ scm_make_gsubr ("ly-get-mus-property", 2, 0, 0, (Scheme_function_unknown)ly_get_mus_property);
+ scm_make_gsubr ("ly-set-mus-property", 3, 0, 0, (Scheme_function_unknown)ly_set_mus_property);
+}
+ADD_SCM_INIT_FUNC(musicscm,init_functions);
projects / lilypond.git / blobdiff