source file of the GNU LilyPond music typesetter
- (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
-
+ (c) 2005--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#ifndef TRANSLATOR_ICC
#define TRANSLATOR_ICC
-#include "array.hh"
+#include "listener.hh"
+#include "std-vector.hh"
+#include "translator.hh"
+
+/*
+ TODO: derive "foo-bar-interface" from Foo_bar classname.
+ */
/**
A macro to automate administration of translators.
*/
#define ADD_THIS_TRANSLATOR(T) \
+ translator_listener_record *T::listener_list_; \
SCM T::static_description_ = SCM_EOL; \
static void _ ## T ## _adder () \
{ \
} \
ADD_GLOBAL_CTOR (_ ## T ## _adder);
-#define ADD_TRANSLATOR(classname, desc, grobs, accepted, acked, read, write) \
- Array<Acknowledge_information> classname::acknowledge_static_array_;\
- IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS(classname); \
+#define ADD_TRANSLATOR(classname, desc, grobs, read, write) \
+ Drul_array< vector<Acknowledge_information> > classname::acknowledge_static_array_drul_; \
+ IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS (classname); \
ADD_THIS_TRANSLATOR (classname); \
- Translator_void_method_ptr\
+ Engraver_void_function_engraver_grob_info \
classname::static_get_acknowledger (SCM sym) \
- {\
- return generic_get_acknowledger (sym, &acknowledge_static_array_);\
- }\
+ { \
+ return generic_get_acknowledger (sym, &acknowledge_static_array_drul_[START]); \
+ } \
+ Engraver_void_function_engraver_grob_info \
+ classname::static_get_end_acknowledger (SCM sym) \
+ { \
+ return generic_get_acknowledger (sym, &acknowledge_static_array_drul_[STOP]); \
+ } \
SCM \
classname::static_translator_description () const \
{ \
- SCM static_properties = SCM_EOL; \
- /* static_properties = acons (name , gh_str02scm (Translator::name (self_scm ())), \
- static_properties_); \
- */ \
- static_properties = scm_acons (ly_symbol2scm ("grobs-created"), \
- parse_symbol_list (grobs), static_properties); \
- \
- static_properties = scm_acons (ly_symbol2scm ("description"), \
- scm_makfrom0str (desc), static_properties); \
- \
- static_properties = scm_acons (ly_symbol2scm ("interfaces-acked"), \
- parse_symbol_list (acked), static_properties); \
- static_properties = scm_acons (ly_symbol2scm ("events-accepted"), \
- parse_symbol_list (accepted), static_properties); \
- \
- static_properties = scm_acons (ly_symbol2scm ("properties-read"), \
- parse_symbol_list (read), static_properties); \
- \
- static_properties = scm_acons (ly_symbol2scm ("properties-written"), \
- parse_symbol_list (write), static_properties); \
- \
- return static_properties; \
+ return Translator::static_translator_description (grobs, desc, listener_list_, read, write); \
}
-#define IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS(T) \
-void \
-T::fetch_precomputable_methods (Translator_void_method_ptr ptrs[])\
-{ \
- ptrs[START_TRANSLATION_TIMESTEP] = \
- ((Translator_void_method_ptr) &T::start_translation_timestep == \
- (Translator_void_method_ptr) &Translator::start_translation_timestep) \
- ? 0 \
- : (Translator_void_method_ptr) &T::start_translation_timestep; \
+#define IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS(T) \
+ void \
+ T::fetch_precomputable_methods (Translator_void_method_ptr ptrs[]) \
+ { \
+ ptrs[START_TRANSLATION_TIMESTEP] = \
+ ((Translator_void_method_ptr) & T::start_translation_timestep == \
+ (Translator_void_method_ptr) & Translator::start_translation_timestep) \
+ ? 0 \
+ : (Translator_void_method_ptr) & T::start_translation_timestep; \
\
- ptrs[STOP_TRANSLATION_TIMESTEP] = \
- ((Translator_void_method_ptr) &T::stop_translation_timestep == (Translator_void_method_ptr) &Translator::stop_translation_timestep) \
- ? 0 \
- : (Translator_void_method_ptr) &T::stop_translation_timestep; \
+ ptrs[STOP_TRANSLATION_TIMESTEP] = \
+ ((Translator_void_method_ptr) & T::stop_translation_timestep == (Translator_void_method_ptr) & Translator::stop_translation_timestep) \
+ ? 0 \
+ : (Translator_void_method_ptr) & T::stop_translation_timestep; \
\
- ptrs[PROCESS_MUSIC] = \
- ((Translator_void_method_ptr) &T::process_music == (Translator_void_method_ptr) &Translator::process_music) \
- ? 0 \
- : (Translator_void_method_ptr) &T::process_music; \
+ ptrs[PROCESS_MUSIC] = \
+ ((Translator_void_method_ptr) & T::process_music == (Translator_void_method_ptr) & Translator::process_music) \
+ ? 0 \
+ : (Translator_void_method_ptr) & T::process_music; \
\
- ptrs[PROCESS_ACKNOWLEDGED] = \
- ((Translator_void_method_ptr) &T::process_acknowledged == (Translator_void_method_ptr) &Translator::process_acknowledged) \
- ? 0 \
- : (Translator_void_method_ptr) &T::process_acknowledged; \
-}
+ ptrs[PROCESS_ACKNOWLEDGED] = \
+ ((Translator_void_method_ptr) & T::process_acknowledged == (Translator_void_method_ptr) & Translator::process_acknowledged) \
+ ? 0 \
+ : (Translator_void_method_ptr) & T::process_acknowledged; \
+ }
-void add_acknowledger (Translator_void_method_ptr ptr, const char *func_name, Array<Acknowledge_information> *ack_array);
-Translator_void_method_ptr
-generic_get_acknowledger (SCM sym, Array<Acknowledge_information> const *ack_array);
+void add_acknowledger (Engraver_void_function_engraver_grob_info ptr,
+ char const *func_name,
+ vector<Acknowledge_information> *ack_array);
-#define ADD_ACKNOWLEDGER(CLASS,NAME) \
-void CLASS ## NAME ## _ack_adder () \
-{\
- add_acknowledger ((Translator_void_method_ptr) &CLASS::NAME, #NAME, &CLASS::acknowledge_static_array_);\
-}\
-ADD_SCM_INIT_FUNC(CLASS ## NAME ## _ack_adder);\
+Engraver_void_function_engraver_grob_info
+generic_get_acknowledger (SCM sym,
+ vector<Acknowledge_information> const *ack_array);
+#define ADD_ACKNOWLEDGER(CLASS, NAME) \
+ void CLASS ## NAME ## _ack_adder () \
+ { \
+ add_acknowledger ((Engraver_void_function_engraver_grob_info) & CLASS::acknowledge_ ## NAME, #NAME, &CLASS::acknowledge_static_array_drul_[START]); \
+ } \
+ ADD_SCM_INIT_FUNC (CLASS ## NAME ## _ack_adder_initclass, CLASS ## NAME ## _ack_adder);
+#define ADD_END_ACKNOWLEDGER(CLASS, NAME) \
+ void CLASS ## NAME ## _end_ack_adder () \
+ { \
+ add_acknowledger ((Engraver_void_function_engraver_grob_info) & CLASS::acknowledge_end_ ## NAME, #NAME, &CLASS::acknowledge_static_array_drul_[STOP]); \
+ } \
+ ADD_SCM_INIT_FUNC (CLASS ## NAME ## _end_ack_adder_initclass, CLASS ## NAME ## _end_ack_adder);
-#endif /* TRANSLATOR_ICC */
+/*
+ Implement the method cl::listen_##m, and make it listen to stream
+ events of class m.
+ */
+#define IMPLEMENT_TRANSLATOR_LISTENER(cl, m) \
+void \
+cl :: _internal_declare_ ## m () \
+{ \
+ static translator_listener_record r; \
+ add_translator_listener (&listener_list_, &r, _get_ ## m ## _listener, #m); \
+} \
+ \
+ADD_SCM_INIT_FUNC (cl ## _declare_event_ ## m, cl::_internal_declare_ ## m); \
+ \
+Listener \
+cl :: _get_ ## m ## _listener (void *me) \
+{ \
+ cl *obj = (cl *) me; \
+ return obj->GET_LISTENER (_listen_scm_ ## m); \
+} \
+ \
+IMPLEMENT_LISTENER (cl, _listen_scm_ ## m) \
+void \
+cl::_listen_scm_ ## m (SCM sev) \
+{ \
+ Stream_event *ev = unsmob_stream_event (sev); \
+ protect_event (sev); \
+ listen_ ## m (ev); \
+}
+#endif /* TRANSLATOR_ICC */
projects / lilypond.git / blobdiff