/*
- translator.icc -- declare Translator glue wiring.
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TRANSLATOR_ICC
#define TRANSLATOR_ICC
+#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) \
- SCM T::static_description_ = SCM_EOL; \
- static void _ ## T ## _adder () \
- { \
- T *t = new T; \
- T::static_description_ = t->static_translator_description (); \
- scm_permanent_object (T::static_description_); \
- add_translator (t); \
- } \
- SCM T::translator_description () const \
- { \
- return static_description_; \
- } \
- ADD_GLOBAL_CTOR (_ ## T ## _adder);
-
-#define ADD_TRANSLATOR(classname, desc, grobs, accepted, acked, read, write) \
- DEFINE_STATIC_METHODS(classname);\
- IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS(classname); \
- ADD_THIS_TRANSLATOR (classname); \
- 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; \
+#define ADD_THIS_TRANSLATOR(T) \
+ SCM T::static_description_ = SCM_EOL; \
+ static void _ ## T ## _adder () \
+ { \
+ 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_GLOBAL_CTOR (_ ## T ## _adder); \
+ /* end define */
+
+#define DEFINE_TRANSLATOR_LISTENER_LIST(T) \
+ translator_listener_record *T::listener_list_; \
+ /* end define */
+
+#define DEFINE_ACKNOWLEDGERS(classname) \
+ Drul_array< vector<Acknowledge_information> > classname::acknowledge_static_array_drul_; \
+ Engraver_void_function_engraver_grob_info \
+ classname::static_get_acknowledger (SCM sym) \
+ { \
+ 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]); \
+ } \
+ /* end define */
+
+#define DEFINE_TRANSLATOR_DOC(classname, desc, grobs, read, write) \
+ SCM \
+ classname::static_translator_description () const \
+ { \
+ return Translator::static_translator_description (grobs, desc, listener_list_, read, write); \
}
+#define ADD_TRANSLATOR(classname, desc, grobs, read, write) \
+ IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS (classname); \
+ ADD_THIS_TRANSLATOR (classname); \
+ DEFINE_TRANSLATOR_DOC(classname, desc, grobs, read, write) \
+ DEFINE_ACKNOWLEDGERS(classname) \
+ DEFINE_TRANSLATOR_LISTENER_LIST(classname) \
+
+#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[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; \
+ }
+
+void add_acknowledger (Engraver_void_function_engraver_grob_info ptr,
+ char const *func_name,
+ vector<Acknowledge_information> *ack_array);
+
+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);
/*
- FIXME: should be able to cast statically to (T*) -iow.- remove
- Translator as a virtual base class.
+ Implement the method cl::listen_##m, and make it listen to stream
+ events of class m.
*/
-#define DEFINE_STATIC_METHOD(T, x) \
-void \
-T::x ## _static (Translator* tr) \
-{ \
- T * t_ptr = (T*) (tr); \
- t_ptr->x ();\
+#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, SCM unused) \
+{ \
+ cl *obj = (cl *) me; \
+ (void) unused; \
+ return obj->GET_LISTENER (_listen_scm_ ## m); \
+} \
+ \
+IMPLEMENT_LISTENER (cl, _listen_scm_ ## m) \
+void \
+cl::_listen_scm_ ## m (SCM sev) \
+{ \
+ Stream_event *ev = Stream_event::unsmob (sev); \
+ protect_event (sev); \
+ listen_ ## m (ev); \
}
-#define DEFINE_STATIC_METHODS(T) \
- DEFINE_STATIC_METHOD(T,start_translation_timestep)\
- DEFINE_STATIC_METHOD(T,stop_translation_timestep)\
- DEFINE_STATIC_METHOD(T,process_music)\
- DEFINE_STATIC_METHOD(T,process_acknowledged)
-
-#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 \
- : &T::start_translation_timestep_static; \
- \
- ptrs[STOP_TRANSLATION_TIMESTEP] = \
- ((Translator_void_method_ptr) &T::stop_translation_timestep == (Translator_void_method_ptr) &Translator::stop_translation_timestep) \
- ? 0 \
- : &T::stop_translation_timestep_static; \
- \
- ptrs[PROCESS_MUSIC] = \
- ((Translator_void_method_ptr) &T::process_music == (Translator_void_method_ptr) &Translator::process_music) \
- ? 0 \
- : &T::process_music_static; \
- \
- ptrs[PROCESS_ACKNOWLEDGED] = \
- ((Translator_void_method_ptr) &T::process_acknowledged == (Translator_void_method_ptr) &Translator::process_acknowledged) \
- ? 0 \
- : &T::process_acknowledged_static; \
-}
-
-
#endif /* TRANSLATOR_ICC */
-
projects / lilypond.git / blobdiff