X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftranslator.cc;h=6eab93b9a883e75cf004447f83f82722a09e054a;hb=e012a172277f78d4954d269fd4973ad3fd6e5d60;hp=d978032365697d1538c27448a8e42ffb044d1433;hpb=b5b00b10f242e4d22e352c8a0d61c384bf205277;p=lilypond.git diff --git a/lily/translator.cc b/lily/translator.cc index d978032365..6eab93b9a8 100644 --- a/lily/translator.cc +++ b/lily/translator.cc @@ -3,19 +3,20 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2003 Han-Wen Nienhuys + (c) 1997--2006 Han-Wen Nienhuys */ - #include "translator.hh" + #include "warn.hh" #include "translator-group.hh" -#include "translator-def.hh" +#include "context-def.hh" +#include "dispatcher.hh" +#include "global-context.hh" -#include "moment.hh" +#include "translator.icc" #include "ly-smobs.icc" - Translator::~Translator () { } @@ -23,35 +24,31 @@ Translator::~Translator () void Translator::init () { - simple_trans_list_ = SCM_BOOL_F; - trans_group_list_ = SCM_EOL; - properties_scm_ = SCM_EOL; - definition_ = SCM_EOL; - daddy_trans_ =0; - accepts_list_ = SCM_EOL; + must_be_last_ = false; + self_scm_ = SCM_EOL; + daddy_context_ = 0; + smobify_self (); } -Translator::Translator () +void +Translator::process_music () { - self_scm_ = SCM_EOL; - init (); - output_def_ = 0; - smobify_self (); } -Translator::Translator (Translator const &s) +void +Translator::process_acknowledged () { - self_scm_ = SCM_EOL; - init (); - output_def_ = s.output_def_; +} - smobify_self (); +Translator::Translator () +{ + init (); } -bool -Translator::is_alias (SCM sym) const +Translator::Translator (Translator const &src) { - return unsmob_context_def (definition_)->is_alias (sym); + init (); + must_be_last_ = src.must_be_last_; } bool @@ -59,45 +56,50 @@ Translator::try_music (Music *) { return false; } - Moment Translator::now_mom () const { - return daddy_trans_->now_mom (); + return daddy_context_->now_mom (); } -void -Translator::do_announces () +Output_def * +Translator::get_output_def () const { + return daddy_context_->get_output_def (); } -Music_output_def * -Translator::get_output_def () const +Translator_group * +Translator::get_daddy_translator () const { - return output_def_; + return daddy_context_->implementation (); +} + +void +Translator::protect_event (SCM ev) +{ + get_daddy_translator ()->protect_event (ev); } SCM Translator::internal_get_property (SCM sym) const { - return daddy_trans_->internal_get_property (sym); + return daddy_context_->internal_get_property (sym); } void -Translator:: stop_translation_timestep () +Translator::stop_translation_timestep () { } /* this function has 2 properties - - It is called before try_music() + - It is called before try_music () - It is called before any user information enters the translators. (i.e. any \property or event is not processed yet.) - - */ +*/ void Translator::start_translation_timestep () { @@ -113,44 +115,135 @@ Translator::finalize () { } +void +Translator::connect_to_context (Context *c) +{ + for (translator_listener_record *r = get_listener_list (); r; r=r->next_) + c->events_below ()->add_listener (r->get_listener_ (this), r->event_class_); +} + +void +Translator::disconnect_from_context (Context *c) +{ + for (translator_listener_record *r = get_listener_list (); r; r=r->next_) + c->events_below ()->remove_listener (r->get_listener_ (this), r->event_class_); +} /* + Internally called once, statically, for each translator + listener. Connects the name of an event class with a procedure that + fetches the corresponding listener. - SMOBS + The method should only be called from the macro + IMPLEMENT_TRANSLATOR_LISTENER. + */ +void +Translator::add_translator_listener (translator_listener_record **listener_list, + translator_listener_record *r, + Listener (*get_listener) (void *), + const char *ev_class) +{ + /* ev_class is the C++ identifier name. Convert to scm symbol */ + string name = string (ev_class); + name = replace_all (name, '_', '-'); + name = name + "-event"; + /* It's OK to use scm_gc_protect_object for protection, because r is + statically allocated. */ + r->event_class_ = scm_gc_protect_object (scm_str2symbol (name.c_str ())); + r->get_listener_ = get_listener; + r->next_ = *listener_list; + *listener_list = r; +} +/* + SMOBS */ SCM Translator::mark_smob (SCM sm) { - Translator * me = (Translator*) SCM_CELL_WORD_1 (sm); - scm_gc_mark (me->simple_trans_list_); - scm_gc_mark (me->trans_group_list_); - scm_gc_mark (me->definition_); - scm_gc_mark (me->properties_scm_); - scm_gc_mark (me->accepts_list_); - - return me->properties_scm_; + Translator *me = (Translator *) SCM_CELL_WORD_1 (sm); + me->derived_mark (); + return SCM_EOL; } -SCM -Translator::translator_description () const +Global_context * +Translator::get_global_context () const { - return SCM_EOL; + return daddy_context_->get_global_context (); } -SCM -Translator::static_translator_description ()const +Context * +Translator::get_score_context () const { - return SCM_EOL; + return daddy_context_->get_score_context (); } - IMPLEMENT_SMOBS (Translator); IMPLEMENT_DEFAULT_EQUAL_P (Translator); -IMPLEMENT_TYPE_P(Translator,"ly:translator?"); +IMPLEMENT_TYPE_P (Translator, "ly:translator?"); -SCM -Translator::get_simple_trans_list() +bool +Translator::must_be_last () const +{ + return must_be_last_; +} + +void +Translator::derived_mark () const { - return SCM_EOL; } + +int +Translator::print_smob (SCM s, SCM port, scm_print_state *) +{ + Translator *me = (Translator *) SCM_CELL_WORD_1 (s); + scm_puts ("#class_name (), port); + scm_puts (" >", port); + return 1; +} + +void +add_acknowledger (Engraver_void_function_engraver_grob_info ptr, + char const *func_name, + vector *ack_array) +{ + Acknowledge_information inf; + inf.function_ = ptr; + + string interface_name (func_name); + + interface_name = replace_all (interface_name, '_', '-'); + interface_name += "-interface"; + + inf.symbol_ = scm_gc_protect_object (ly_symbol2scm (interface_name.c_str ())); + ack_array->push_back (inf); +} + +Engraver_void_function_engraver_grob_info +generic_get_acknowledger (SCM sym, vector const *ack_array) +{ + for (vsize i = 0; i < ack_array->size (); i++) + { + if (ack_array->at (i).symbol_ == sym) + return ack_array->at (i).function_; + } + return 0; +} + +Moment +get_event_length (Stream_event *e) +{ + Moment *m = unsmob_moment (e->get_property ("length")); + if (m) + return *m; + else + return Moment (0); +} + +ADD_TRANSLATOR (Translator, + "Base class. Unused", + "", + "", + "", + "");