+ /* SCM_EOL -> catch malformed lists. */
+ for (SCM s = a; scm_is_pair (s); s = scm_cdr (s))
+ {
+ scm_display (scm_caar (s), port);
+ scm_puts (" = ", port);
+ scm_write (scm_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::generic_to_relative_octave (Pitch last)
+{
+ SCM elt = get_property ("element");
+ Pitch *old_pit = unsmob_pitch (get_property ("pitch"));
+ if (old_pit)
+ {
+ Pitch new_pit = *old_pit;
+ new_pit = new_pit.to_relative_octave (last);
+
+ SCM check = get_property ("absolute-octave");
+ if (scm_is_number (check)
+ && new_pit.get_octave () != scm_to_int (check))
+ {
+ Pitch expected_pit (scm_to_int (check),
+ new_pit.get_notename (),
+ new_pit.get_alteration ());
+ origin ()->warning (_f ("octave check failed; expected %s, found: %s",
+ expected_pit.to_string (),
+ new_pit.to_string ()));
+ new_pit = expected_pit;
+ }
+
+ set_property ("pitch", new_pit.smobbed_copy ());
+
+ last = new_pit;
+ }
+
+ if (Music *m = unsmob_music (elt))
+ last = m->to_relative_octave (last);
+
+ last = music_list_to_relative (get_property ("elements"), last, false);
+ return last;
+}
+
+Pitch
+Music::to_relative_octave (Pitch last)
+{
+ SCM callback = get_property ("to-relative-callback");
+ if (ly_c_procedure_p (callback))
+ {
+ Pitch *p = unsmob_pitch (scm_call_2 (callback, self_scm (), last.smobbed_copy ()));
+ return *p;
+ }
+
+ return generic_to_relative_octave (last);