#include "context-def.hh"
-#include "engraver-group.hh"
-#include "engraver.hh"
#include "international.hh"
#include "output-def.hh"
-#include "performer-group.hh"
-#include "performer.hh"
#include "score-context.hh"
-#include "translator-group.hh"
+#include "translator.hh"
#include "warn.hh"
Context_def::Context_def ()
programming_error ("unknown context mod tag");
}
-SCM
-Context_def::get_context_name () const
-{
- return context_name_;
-}
-
SCM
Context_def::get_accepted (SCM user_mod) const
{
return l1;
}
-SCM
-filter_performers (SCM ell)
-{
- SCM *tail = ℓ
- for (SCM p = ell; scm_is_pair (p); p = scm_cdr (p))
- {
- if (dynamic_cast<Performer *> (unsmob_translator (scm_car (*tail))))
- *tail = scm_cdr (*tail);
- else
- tail = SCM_CDRLOC (*tail);
- }
- return ell;
-}
-
-SCM
-filter_engravers (SCM ell)
-{
- SCM *tail = ℓ
- for (SCM p = ell; scm_is_pair (p); p = scm_cdr (p))
- {
- if (dynamic_cast<Engraver *> (unsmob_translator (scm_car (*tail))))
- *tail = scm_cdr (*tail);
- else
- tail = SCM_CDRLOC (*tail);
- }
- return ell;
-}
-
Context *
Context_def::instantiate (SCM ops, Object_key const *key)
{
context->definition_ = self_scm ();
context->definition_mods_ = ops;
-
- 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_);
-
- g->context_ = context;
context->aliases_ = context_aliases_;
-
- g->unprotect ();
-
context->accepts_list_ = get_accepted (ops);
return context;