- static_each (simple_trans_list_, method);
- static_each (trans_group_list_, method);
-}
-
-
-/*
- PROPERTIES
- */
-Translator_group*
-Translator_group::where_defined (SCM sym) const
-{
- if (properties_dict ()->elem_b (sym))
- {
- return (Translator_group*)this;
- }
-
- return (daddy_trans_) ? daddy_trans_->where_defined (sym) : 0;
-}
-
-/*
- return SCM_EOL when not found.
-*/
-SCM
-Translator_group::internal_get_property (SCM sym) const
-{
- SCM val =SCM_EOL;
- if (properties_dict ()->try_retrieve (sym, &val))
- return val;
-
- if (daddy_trans_)
- return daddy_trans_->internal_get_property (sym);
-
- return val;
-}
-
-void
-Translator_group::internal_set_property (SCM sym, SCM val)
-{
-#ifndef NDEBUG
- if (internal_type_checking_global_b)
- assert (type_check_assignment (sym, val, ly_symbol2scm ("translation-type?")));
-#endif
-
- properties_dict ()->set (sym, val);
-}
-
-/*
- TODO: look up to check whether we have inherited var?
- */
-void
-Translator_group::unset_property (SCM sym)
-{
- properties_dict ()->remove (sym);
-}
-
-
-/*
- Push or pop (depending on value of VAL) a single entry (ELTPROP . VAL)
- entry from a translator property list by name of PROP
-*/
-void
-Translator_group::execute_pushpop_property (SCM prop, SCM eltprop, SCM val)
-{
- if (gh_symbol_p (prop))
- {
- if (val != SCM_UNDEFINED)
- {
- SCM prev = internal_get_property (prop);
-
- if (gh_pair_p (prev) || prev == SCM_EOL)
- {
- bool ok = type_check_assignment (eltprop, val, ly_symbol2scm ("backend-type?"));
-
- if (ok)
- {
- prev = gh_cons (gh_cons (eltprop, val), prev);
- internal_set_property (prop, prev);
- }
- }
- else
- {
- // warning here.
- }
-
- }
- else
- {
- SCM prev = internal_get_property (prop);
-
- /*
- TODO: should have scm_equal_something () for reverting
- autobeam properties.
- */
- SCM newprops= SCM_EOL ;
- while (gh_pair_p (prev) && !SCM_EQ_P(ly_caar (prev), eltprop))
- {
- newprops = gh_cons (ly_car (prev), newprops);
- prev = ly_cdr (prev);
- }
-
- if (gh_pair_p (prev))
- {
- newprops = scm_reverse_x (newprops, ly_cdr (prev));
- internal_set_property (prop, newprops);
- }
- }
- }
-}
-
-
-
-/*
- STUBS
-*/
-void
-Translator_group::stop_translation_timestep ()
-{
- each (&Translator::stop_translation_timestep);
-}
-
-void
-Translator_group::start_translation_timestep ()
-{
- each (&Translator::start_translation_timestep);
-}
-
-void
-Translator_group::do_announces ()
-{
- each (&Translator::do_announces);