A macro to automate administration of translators.
*/
#define ADD_THIS_TRANSLATOR(T) \
- SCM T::static_description_ = SCM_EOL; \
static void _ ## T ## _adder () \
{ \
T::boot (); \
- T *t = new T; \
- T::static_description_ = \
- scm_permanent_object (t->static_translator_description ()); \
- add_translator (t); \
- } \
- SCM T::translator_description () const \
- { \
- return static_description_; \
+ add_translator_creator (Translator_creator::alloc<T>()->unprotect (), \
+ scm_from_ascii_symbol (#T), \
+ T::static_translator_description ()); \
} \
ADD_GLOBAL_CTOR (_ ## T ## _adder); \
/* end define */
-#define DEFINE_TRANSLATOR_LISTENER_LIST(T) \
- Protected_scm T::listener_list_ (SCM_EOL); \
+#define DEFINE_TRANSLATOR_LISTENER_LIST(T) \
+ Protected_scm T::listener_list_ (SCM_EOL); \
/* end define */
#define DEFINE_ACKNOWLEDGERS(classname) \
} \
/* end define */
-#define DEFINE_TRANSLATOR_DOC(classname, desc, grobs, read, write) \
+#define DEFINE_TRANSLATOR_DOC(classname, desc, grobs, read, write) \
SCM \
- classname::static_translator_description () const \
+ classname::static_translator_description () \
{ \
return Translator::static_translator_description (grobs, desc, listener_list_, read, write); \
}
IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS (classname); \
DEFINE_ACKNOWLEDGERS(classname); \
ADD_THIS_TRANSLATOR (classname); \
- DEFINE_TRANSLATOR_DOC(classname, desc, grobs, read, write) \
- DEFINE_TRANSLATOR_LISTENER_LIST(classname) \
+ DEFINE_TRANSLATOR_DOC(classname, desc, grobs, read, write); \
+ DEFINE_TRANSLATOR_LISTENER_LIST(classname);
#define IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS(T) \
void \
{ \
ptrs[START_TRANSLATION_TIMESTEP] = \
method_finder <&T::start_translation_timestep> (); \
- \
- ptrs[STOP_TRANSLATION_TIMESTEP] = \
+ \
+ ptrs[STOP_TRANSLATION_TIMESTEP] = \
method_finder <&T::stop_translation_timestep> (); \
\
- ptrs[PROCESS_MUSIC] = \
+ ptrs[PROCESS_MUSIC] = \
method_finder <&T::process_music> (); \
- \
- ptrs[PROCESS_ACKNOWLEDGED] = \
+ \
+ ptrs[PROCESS_ACKNOWLEDGED] = \
method_finder <&T::process_acknowledged> (); \
}
char const *func_name,
SCM &ack_hash);
-#define ADD_ACKNOWLEDGER(CLASS, NAME) \
- add_acknowledger (ack_finder<&CLASS::acknowledge_ ## NAME> (), \
- #NAME, acknowledge_static_array_drul_[START]);
+#define ADD_ACKNOWLEDGER_FOR(CLASS, NAME, GROB) \
+ add_acknowledger (method_finder<&CLASS::acknowledge_ ## NAME> (), \
+ #GROB, acknowledge_static_array_drul_[START])
-#define ADD_END_ACKNOWLEDGER(CLASS, NAME) \
- add_acknowledger (ack_finder<&CLASS::acknowledge_end_ ## NAME> (), \
- #NAME, acknowledge_static_array_drul_[STOP]);
+#define ADD_ACKNOWLEDGER(CLASS, NAME) ADD_ACKNOWLEDGER_FOR (CLASS, NAME, NAME)
+// ADD_END_ACKNOWLEDGER_FOR requires your NAME to actually be
+// end_whatever if you are utilizing acknowledge_end_whatever as a
+// different end acknowledger.
+#define ADD_END_ACKNOWLEDGER_FOR(CLASS, NAME, GROB) \
+ add_acknowledger (method_finder<&CLASS::acknowledge_ ## NAME> (), \
+ #GROB, acknowledge_static_array_drul_[STOP])
+
+#define ADD_END_ACKNOWLEDGER(CLASS, NAME) \
+ ADD_END_ACKNOWLEDGER_FOR (CLASS, end_ ## NAME, NAME)
/*
Implement the method cl::listen_##m, and make it listen to stream
events of class m.
+
+ At macro call time, neither creator instances (which are anonymous
+ and only accessible via the translator registry) nor translator
+ instances exist, so the only named place where we can store it is in
+ a static member of the translator class.
*/
-#define ADD_LISTENER(cl, m) \
+#define ADD_LISTENER_FOR(cl, m, ev) \
listener_list_ = scm_acons \
- (event_class_symbol (#m), \
- Callback_wrapper::make_smob \
- <trampoline <cl, &cl::listen_ ## m> > (), listener_list_);
+ (event_class_symbol (#ev), \
+ method_finder<&cl::listen_ ## m> (), \
+ listener_list_)
+
+#define ADD_LISTENER(cl, m) ADD_LISTENER_FOR (cl, m, m)
#endif /* TRANSLATOR_ICC */