2 translator.icc -- declare Translator glue wiring.
4 source file of the GNU LilyPond music typesetter
6 (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
10 #define TRANSLATOR_ICC
12 #include "std-vector.hh"
13 #include "translator.hh"
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, read, write) \
34 vector<Acknowledge_information> classname::acknowledge_static_array_; \
35 IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS (classname); \
36 ADD_THIS_TRANSLATOR (classname); \
37 Engraver_void_function_engraver_grob_info \
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 ("events-accepted"), \
56 parse_symbol_list (accepted), static_properties); \
58 static_properties = scm_acons (ly_symbol2scm ("properties-read"), \
59 parse_symbol_list (read), static_properties); \
61 static_properties = scm_acons (ly_symbol2scm ("properties-written"), \
62 parse_symbol_list (write), static_properties); \
64 return static_properties; \
67 #define IMPLEMENT_FETCH_PRECOMPUTABLE_METHODS(T) \
69 T::fetch_precomputable_methods (Translator_void_method_ptr ptrs[]) \
71 ptrs[START_TRANSLATION_TIMESTEP] = \
72 ((Translator_void_method_ptr) & T::start_translation_timestep == \
73 (Translator_void_method_ptr) & Translator::start_translation_timestep) \
75 : (Translator_void_method_ptr) & T::start_translation_timestep; \
77 ptrs[STOP_TRANSLATION_TIMESTEP] = \
78 ((Translator_void_method_ptr) & T::stop_translation_timestep == (Translator_void_method_ptr) & Translator::stop_translation_timestep) \
80 : (Translator_void_method_ptr) & T::stop_translation_timestep; \
82 ptrs[PROCESS_MUSIC] = \
83 ((Translator_void_method_ptr) & T::process_music == (Translator_void_method_ptr) & Translator::process_music) \
85 : (Translator_void_method_ptr) & T::process_music; \
87 ptrs[PROCESS_ACKNOWLEDGED] = \
88 ((Translator_void_method_ptr) & T::process_acknowledged == (Translator_void_method_ptr) & Translator::process_acknowledged) \
90 : (Translator_void_method_ptr) & T::process_acknowledged; \
93 void add_acknowledger (Engraver_void_function_engraver_grob_info ptr,
94 char const *func_name,
95 vector<Acknowledge_information> *ack_array);
97 Engraver_void_function_engraver_grob_info
98 generic_get_acknowledger (SCM sym,
99 vector<Acknowledge_information> const *ack_array);
101 #define ADD_ACKNOWLEDGER(CLASS, NAME) \
102 void CLASS ## NAME ## _ack_adder () \
104 add_acknowledger ((Engraver_void_function_engraver_grob_info) & CLASS::acknowledge_ ## NAME, #NAME, &CLASS::acknowledge_static_array_); \
106 ADD_SCM_INIT_FUNC (CLASS ## NAME ## _ack_adder_initclass, CLASS ## NAME ## _ack_adder);
109 #endif /* TRANSLATOR_ICC */