-/*
- translator.icc -- declare Translator glue wiring.
+/* -*- c++ -*-
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2005--2015 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.
- source file of the GNU LilyPond music typesetter
+ 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.
- (c) 2005--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ 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 "callback.hh"
#include "std-vector.hh"
-#include "translator.hh"
+#include "engraver.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 () \
- { \
- 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, read, write) \
- Drul_array< vector<Acknowledge_information> > classname::acknowledge_static_array_drul_; \
- IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS (classname); \
- ADD_THIS_TRANSLATOR (classname); \
- 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]); \
- } \
- SCM \
- classname::static_translator_description () const \
- { \
+#define ADD_THIS_TRANSLATOR(T) \
+ SCM T::static_description_ = SCM_EOL; \
+ static void _ ## T ## _adder () \
+ { \
+ T::boot (); \
+ T *t = new T(0); \
+ 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) \
+ Protected_scm T::listener_list_ (SCM_EOL)
+
+#define DEFINE_ACKNOWLEDGERS(classname) \
+ Drul_array<Protected_scm> classname::acknowledge_static_array_drul_; \
+ SCM \
+ classname::static_get_acknowledger (SCM sym, Direction start_end) \
+ { \
+ return generic_get_acknowledger \
+ (sym, acknowledge_static_array_drul_[start_end]); \
+ } \
+ /* 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 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 ADD_TRANSLATOR(classname, desc, grobs, 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 IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS(T) \
+ void \
+ T::fetch_precomputable_methods (SCM ptrs[]) \
+ { \
+ ptrs[START_TRANSLATION_TIMESTEP] = \
+ method_finder <&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; \
- \
+ method_finder <&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; \
+ method_finder <&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; \
+ method_finder <&T::process_acknowledged> (); \
}
-void add_acknowledger (Engraver_void_function_engraver_grob_info ptr,
- char const *func_name,
- vector<Acknowledge_information> *ack_array);
+void add_acknowledger (SCM ptr,
+ char const *func_name,
+ SCM &ack_hash);
-Engraver_void_function_engraver_grob_info
-generic_get_acknowledger (SCM sym,
- vector<Acknowledge_information> const *ack_array);
+#define ADD_ACKNOWLEDGER_FOR(CLASS, NAME, GROB) \
+ add_acknowledger (method_finder<&CLASS::acknowledge_ ## NAME> (), \
+ #GROB, acknowledge_static_array_drul_[START])
-#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_ACKNOWLEDGER(CLASS, NAME) ADD_ACKNOWLEDGER_FOR (CLASS, NAME, NAME)
-#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);
+// 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
+ 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); \
-}
+#define ADD_LISTENER_FOR(cl, m, ev) \
+ listener_list_ = scm_acons \
+ (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 */
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