+
+ SCM trans_names = get_translator_names (ops);
+
+ Translator_group *g = get_translator_group (translator_group_type_);
+ SCM trans_list = SCM_EOL;
+
+ for (SCM s = trans_names; scm_is_pair (s); s = scm_cdr (s))
+ {
+ Translator *t = get_translator (scm_car (s));
+ if (!t)
+ warning (_f ("can't find: `%s'", ly_symbol2string (scm_car (s)).c_str ()));
+ else
+ {
+ Translator *tr = t->clone ();
+ SCM str = tr->self_scm ();
+
+ if (tr->must_be_last ())
+ {
+ SCM cons = scm_cons (str, SCM_EOL);
+ if (scm_is_pair (trans_list))
+ scm_set_cdr_x (scm_last_pair (trans_list), cons);
+ else
+ trans_list = cons;
+ }
+ else
+ trans_list = scm_cons (str, trans_list);
+
+ tr->daddy_context_ = context;
+ tr->unprotect ();
+ }
+ }
+
+ /*
+ Ugh, todo: should just make a private
+ copy of Context_def with the user mods.
+ */
+
+ g->simple_trans_list_ = trans_list;
+
+ context->implementation_ = g;
+ if (dynamic_cast<Engraver_group *> (g))
+ g->simple_trans_list_ = filter_performers (g->simple_trans_list_);
+ else if (dynamic_cast<Performer_group *> (g))
+ g->simple_trans_list_ = filter_engravers (g->simple_trans_list_);
+