#include "translator.hh"
+#include "warn.hh"
+#include "translator-group.hh"
#include "context-def.hh"
-#include "dispatcher.hh"
#include "global-context.hh"
-#include "international.hh"
-#include "translator-group.hh"
-#include "warn.hh"
#include "translator.icc"
#include "ly-smobs.icc"
return daddy_context_->implementation ();
}
-void
-Translator::protect_event (SCM ev)
-{
- get_daddy_translator ()->protect_event (ev);
-}
-
SCM
Translator::internal_get_property (SCM sym) const
{
{
}
-void
-Translator::connect_to_context (Context *c)
-{
- for (translator_listener_record *r = get_listener_list (); r; r=r->next_)
- c->events_below ()->add_listener (r->get_listener_ (this), r->event_class_);
-}
-
-void
-Translator::disconnect_from_context (Context *c)
-{
- for (translator_listener_record *r = get_listener_list (); r; r=r->next_)
- c->events_below ()->remove_listener (r->get_listener_ (this), r->event_class_);
-}
-
-static SCM listened_event_classes = SCM_EOL;
-
-LY_DEFINE (ly_get_listened_event_classes, "ly:get-listened-event-classes",
- 0, 0, 0, (),
- "Returns a list of all event classes that some translator listens to.")
-{
- return listened_event_classes;
-}
-
-/*
- Internally called once, statically, for each translator
- listener. Connects the name of an event class with a procedure that
- fetches the corresponding listener.
-
- The method should only be called from the macro
- IMPLEMENT_TRANSLATOR_LISTENER.
- */
-void
-Translator::add_translator_listener (translator_listener_record **listener_list,
- translator_listener_record *r,
- Listener (*get_listener) (void *),
- const char *ev_class)
-{
- /* ev_class is the C++ identifier name. Convert to scm symbol */
- string name = string (ev_class);
- name = replace_all (name, '_', '-');
- name = name + "-event";
- /* It's OK to use scm_gc_protect_object for protection, because r is
- statically allocated. */
- SCM class_sym = scm_gc_protect_object (scm_str2symbol (name.c_str ()));
- listened_event_classes = scm_gc_protect_object (scm_cons (class_sym, listened_event_classes));
- r->event_class_ = class_sym;
- r->get_listener_ = get_listener;
- r->next_ = *listener_list;
- *listener_list = r;
-}
-
/*
SMOBS
*/
return daddy_context_->get_global_context ();
}
-Context *
+Score_context *
Translator::get_score_context () const
{
return daddy_context_->get_score_context ();
return 0;
}
-Moment
-get_event_length (Stream_event *e)
-{
- Moment *m = unsmob_moment (e->get_property ("length"));
- if (m)
- return *m;
- else
- return Moment (0);
-}
-
-/*
- Helper, used through ASSIGN_EVENT_ONCE to throw warnings for
- simultaneous events. The helper is only useful in listen_* methods
- of translators.
-*/
-bool
-internal_event_assignment (Stream_event **old_ev, Stream_event *new_ev, const char *function)
-{
- if (*old_ev)
- {
- /* extract event class from function name */
- const char *prefix = "listen_";
- assert (!strncmp (function, "listen_", strlen (prefix)));
- function += strlen (prefix);
- char ev_class[strlen (function) + 1];
- strcpy (ev_class, function);
- for (char *c = ev_class; *c; c++)
- if (*c == '_')
- *c = '-';
-
- new_ev->origin ()->warning (_f ("Two simultaneous %s events, junking this one", ev_class));
- (*old_ev)->origin ()->warning (_f ("Previous %s event here", ev_class));
- return false;
- }
- else
- {
- *old_ev = new_ev;
- return true;
- }
-}
-
ADD_TRANSLATOR (Translator,
"Base class. Unused",
"",