source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-
+#include "input-smob.hh"
#include "music.hh"
#include "music-list.hh"
#include "debug.hh"
-#include "musical-pitch.hh"
+#include "pitch.hh"
+#include "ly-smobs.icc"
-Music::Music()
+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;
}
-void
-Music::compress (Moment)
+
+Music::Music ()
{
+ immutable_property_alist_ = SCM_EOL;
+ mutable_property_alist_ = SCM_EOL;
+ smobify_self ();
}
-void
-Music::do_print() const
+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)
+{
+}
+
+
+
Moment
Music::length_mom () const
{
+ 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;
}
+Moment
+Music::start_mom () const
+{
+ Moment m ;
+ return m;
+}
+
void
-Music::print() const
+print_alist (SCM a, SCM port)
{
-#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
+ for (SCM s = a; gh_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);
+ }
}
-Musical_pitch
-Music::to_relative_octave (Musical_pitch m)
+int
+Music::print_smob (SCM s, SCM p, scm_print_state*)
+{
+ 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 (Pitch)
+{
+}
+
+IMPLEMENT_TYPE_P (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 ly_cdr (s);
+
+ s = scm_sloppy_assq (sym, immutable_property_alist_);
+ return (s == SCM_BOOL_F) ? SCM_EOL : ly_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::transpose (Musical_pitch )
+Music::set_mus_property (const char* k, SCM v)
+{
+ SCM s = ly_symbol2scm (k);
+ set_mus_property (s, v);
+}
+
+void
+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);
+}
+
+#include "main.hh"
+
+void
+Music::set_spot (Input ip)
+{
+ set_mus_property ("origin", make_input (ip));
+}
+
+
+
+Input*
+Music::origin () const
+{
+ Input *ip = unsmob_input (get_mus_property ("origin"));
+ return ip ? ip : & dummy_input_global;
+}
+
+
+
+
+
+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;
+}
+
+
+// to do property args
+SCM
+ly_make_music (SCM type)
+{
+ if (!gh_string_p (type))
+ {
+ warning (_ ("ly_make_music (): Not a string"));
+ scm_write (type, scm_current_error_port ());
+
+ return SCM_UNSPECIFIED;
+ }
+ else
+ {
+ SCM s = get_music (ly_scm2string (type))->self_scm ();
+ scm_gc_unprotect_object (s);
+ return s;
+ }
+}
+
+SCM
+ly_music_name (SCM mus)
+{
+ Music * m = unsmob_music (mus);
+ const char *nm ="";
+ if (!m)
+ {
+ warning (_ ("ly_music_name (): Not a music expression"));
+ scm_write (mus, scm_current_error_port ());
+ }
+ else
+ nm = classname (m);
+ return ly_str02scm (nm);
+}
+
+static void
+init_functions ()
+{
+ scm_c_define_gsubr ("ly-get-mus-property", 2, 0, 0, (Scheme_function_unknown)ly_get_mus_property);
+ scm_c_define_gsubr ("ly-set-mus-property", 3, 0, 0, (Scheme_function_unknown)ly_set_mus_property);
+ scm_c_define_gsubr ("ly-make-music", 1, 0, 0, (Scheme_function_unknown)ly_make_music);
+ scm_c_define_gsubr ("ly-music-name", 1, 0, 0, (Scheme_function_unknown)ly_music_name);
+}
+ADD_SCM_INIT_FUNC (musicscm,init_functions);
+ADD_MUSIC(Music);
projects / lilypond.git / blobdiff