2 translator.icc -- declare Translator glue wiring.
4 source file of the GNU LilyPond music typesetter
6 (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #ifndef TRANSLATOR_ICC
11 #define TRANSLATOR_ICC
16 A macro to automate administration of translators.
18 #define ADD_THIS_TRANSLATOR(T) \
19 SCM T::static_description_ = SCM_EOL; \
20 static void _ ## T ## _adder () \
23 T::static_description_ = t->static_translator_description (); \
24 scm_permanent_object (T::static_description_); \
27 SCM T::translator_description () const \
29 return static_description_; \
31 ADD_GLOBAL_CTOR (_ ## T ## _adder);
33 #define ADD_TRANSLATOR(classname, desc, grobs, accepted, acked, read, write) \
34 Array<Acknowledge_information> classname::acknowledge_static_array_;\
35 IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS(classname); \
36 ADD_THIS_TRANSLATOR (classname); \
37 Translator_void_method_ptr\
38 classname::static_get_acknowledger (SCM sym) \
40 return generic_get_acknowledger (sym, &acknowledge_static_array_);\
43 classname::static_translator_description () const \
45 SCM static_properties = SCM_EOL; \
46 /* static_properties = acons (name , gh_str02scm (Translator::name (self_scm ())), \
47 static_properties_); \
49 static_properties = scm_acons (ly_symbol2scm ("grobs-created"), \
50 parse_symbol_list (grobs), static_properties); \
52 static_properties = scm_acons (ly_symbol2scm ("description"), \
53 scm_makfrom0str (desc), static_properties); \
55 static_properties = scm_acons (ly_symbol2scm ("interfaces-acked"), \
56 parse_symbol_list (acked), static_properties); \
57 static_properties = scm_acons (ly_symbol2scm ("events-accepted"), \
58 parse_symbol_list (accepted), static_properties); \
60 static_properties = scm_acons (ly_symbol2scm ("properties-read"), \
61 parse_symbol_list (read), static_properties); \
63 static_properties = scm_acons (ly_symbol2scm ("properties-written"), \
64 parse_symbol_list (write), static_properties); \
66 return static_properties; \
69 #define IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS(T) \
71 T::fetch_precomputable_methods (Translator_void_method_ptr ptrs[])\
73 ptrs[START_TRANSLATION_TIMESTEP] = \
74 ((Translator_void_method_ptr) &T::start_translation_timestep == \
75 (Translator_void_method_ptr) &Translator::start_translation_timestep) \
77 : (Translator_void_method_ptr) &T::start_translation_timestep; \
79 ptrs[STOP_TRANSLATION_TIMESTEP] = \
80 ((Translator_void_method_ptr) &T::stop_translation_timestep == (Translator_void_method_ptr) &Translator::stop_translation_timestep) \
82 : (Translator_void_method_ptr) &T::stop_translation_timestep; \
84 ptrs[PROCESS_MUSIC] = \
85 ((Translator_void_method_ptr) &T::process_music == (Translator_void_method_ptr) &Translator::process_music) \
87 : (Translator_void_method_ptr) &T::process_music; \
89 ptrs[PROCESS_ACKNOWLEDGED] = \
90 ((Translator_void_method_ptr) &T::process_acknowledged == (Translator_void_method_ptr) &Translator::process_acknowledged) \
92 : (Translator_void_method_ptr) &T::process_acknowledged; \
95 void add_acknowledger (Translator_void_method_ptr ptr, const char *func_name, Array<Acknowledge_information> *ack_array);
96 Translator_void_method_ptr
97 generic_get_acknowledger (SCM sym, Array<Acknowledge_information> const *ack_array);
99 #define ADD_ACKNOWLEDGER(CLASS,NAME) \
100 void CLASS ## NAME ## _ack_adder () \
102 add_acknowledger ((Translator_void_method_ptr) &CLASS::NAME, #NAME, &CLASS::acknowledge_static_array_);\
104 ADD_SCM_INIT_FUNC(CLASS ## NAME ## _ack_adder);\
108 #endif /* TRANSLATOR_ICC */