X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Ftranslator.icc;h=53697b38e63d4eb0040738c11f8137b27963449b;hb=0b544cfb7332615ef809b71b57ab656741311ae1;hp=2a7eeccc235e2884a96acbc37e29f39bf19e3369;hpb=474c8729dc274a30558102a015a01fa5882673db;p=lilypond.git diff --git a/lily/include/translator.icc b/lily/include/translator.icc index 2a7eeccc23..53697b38e6 100644 --- a/lily/include/translator.icc +++ b/lily/include/translator.icc @@ -1,9 +1,20 @@ /* - 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--2014 Han-Wen Nienhuys - (c) 2005--2007 Han-Wen Nienhuys + 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 . */ #ifndef TRANSLATOR_ICC @@ -20,118 +31,131 @@ /** 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 > 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 *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 > 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 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 == \ +#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] = \ + ? 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] = \ + ? 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] = \ + ? 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; \ + ? 0 \ + : (Translator_void_method_ptr) & T::process_acknowledged; \ } void add_acknowledger (Engraver_void_function_engraver_grob_info ptr, - char const *func_name, - vector *ack_array); + char const *func_name, + vector *ack_array); Engraver_void_function_engraver_grob_info generic_get_acknowledger (SCM sym, - vector const *ack_array); + vector const *ack_array); -#define ADD_ACKNOWLEDGER(CLASS, NAME) \ - void CLASS ## NAME ## _ack_adder () \ - { \ +#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 () \ - { \ +#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); /* - 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; \ +#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); \ +} \ + \ +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 = unsmob_stream_event (sev); \ + protect_event (sev); \ + listen_ ## m (ev); \ } #endif /* TRANSLATOR_ICC */