- &Translator::initialize,
- &Translator_group::initialize,
- DOWN);
-}
-
-IMPLEMENT_LISTENER (Translator_group, eat_event);
-void
-Translator_group::eat_event (SCM sev)
-{
- Stream_event *ev = unsmob_stream_event (sev);
- SCM sm = ev->get_property ("music");
- Music *m = unsmob_music (sm);
- try_music (m);
-}
-
-bool
-Translator_group::try_music (Music *m)
-{
- SCM name = scm_sloppy_assq (ly_symbol2scm ("name"),
- m->get_property_alist (false));
-
- if (!scm_is_pair (name))
- return false;
-
- name = scm_cdr (name);
- SCM accept_list = scm_hashq_ref (accept_hash_table_, name, SCM_UNDEFINED);
- if (accept_list == SCM_BOOL_F)
- {
- accept_list = find_accept_translators (get_simple_trans_list (),
- m->get_property ("types"));
- scm_hashq_set_x (accept_hash_table_, name, accept_list);
- }
-
- for (SCM p = accept_list; scm_is_pair (p); p = scm_cdr (p))
- {
- Translator *t = unsmob_translator (scm_car (p));
- if (t && t->try_music (m))
- return true;
- }
-
- // We couldn't swallow the event in this context. Try parent.
- Context *p = context ()->get_parent_context ();
- // Global context's translator group is a dummy, so don't try it.
- if (p->get_parent_context())
- // ES todo: Make Translators listeners directly instead.
- return p->implementation ()->try_music (m);
- // 'junking event' warning is temporarily disabled during translator cleanup
- /*
- else
- // We have tried all possible contexts. Give up.
- m->origin ()->warning (_f ("junking event: `%s'", m->name ()));
- */
- return false;