#include "context-def.hh"
-#include "context.hh"
+#include "engraver-group.hh"
+#include "engraver.hh"
#include "international.hh"
#include "output-def.hh"
-#include "translator.hh"
+#include "performer-group.hh"
+#include "performer.hh"
+#include "score-context.hh"
+#include "translator-group.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 *context = new Context (key);
+ Context *context = 0;
+
+ if (context_name_ == ly_symbol2scm ("Score"))
+ context = new Score_context (key);
+ else
+ context = new Context (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_);
+
context->aliases_ = context_aliases_;
+ g->connect_to_context (context);
+ g->unprotect ();
+
context->accepts_list_ = get_accepted (ops);
return context;
}
+SCM
+Context_def::clone_scm () const
+{
+ Context_def *t = new Context_def (*this);
+ return t->unprotect ();
+}
+
SCM
Context_def::make_scm ()
{