X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Ftranslator.hh;h=7d965e4b5a4631517184f7b6a56343356d993131;hb=1cd3b2484a4095d4e3fb6422dbc695a1a1219eea;hp=c97234aa1585425817cd03b1f5296c99ba287e73;hpb=876ccb4004d92f3b7bd539753f8f9339b7d48490;p=lilypond.git diff --git a/lily/include/translator.hh b/lily/include/translator.hh index c97234aa15..7d965e4b5a 100644 --- a/lily/include/translator.hh +++ b/lily/include/translator.hh @@ -3,111 +3,124 @@ source file of the GNU LilyPond music typesetter - (c) 1997--1999 Han-Wen Nienhuys + (c) 1997--2005 Han-Wen Nienhuys */ - #ifndef TRANSLATOR_HH #define TRANSLATOR_HH + #include "global-ctor.hh" #include "string.hh" #include "lily-proto.hh" #include "virtual-methods.hh" -#include "lily-guile.hh" -#include "dictionary.hh" -#include "parray.hh" #include "input.hh" +#include "smobs.hh" +/* copied from lily-guile.hh */ +#ifndef get_property +#define get_property(x) internal_get_property (ly_symbol2scm (x)) +#endif -/** Make some kind of #Element#s from Requests. Elements are made by - hierarchically grouped #Translator#s - */ -class Translator : public Input { -public: - Music_output_def * output_def_l_; - String type_str_; - - virtual const char *name() const; - bool is_alias_b (String) const; - - VIRTUAL_COPY_CONS(Translator); - Translator (Translator const &); - Translator (); - virtual ~Translator (); - - Translator_group * daddy_trans_l_ ; - - void print () const; - - /** - try to fit the request in this engraver - - @return - false: not noted, not taken. - - true: request swallowed. Don't try to put the request elsewhere. - - */ - bool try_music (Music*); - void pre_move_processing(); - void add_processing (); - void creation_processing (); - void process_requests(); - void post_move_processing(); - void removal_processing(); - /** - ask daddy for a feature - */ - Music_output_def *output_def_l () const; - - SCM get_property (String, Translator_group **) const; - SCM get_property (SCM symbol, Translator_group **) const; - - virtual Moment now_mom () const; - -protected: - enum { - ORPHAN, - VIRGIN, - CREATION_INITED, - MOVE_INITED, - ACCEPTED_REQS, - PROCESSED_REQS, - ACKED_REQS, - MOVE_DONE - } status; - - /* - @see{try_request} - Default: always return false - */ - virtual void do_add_processing (); - virtual bool do_try_music (Music *req_l); - virtual void do_print () const; - virtual void do_pre_move_processing(); - virtual void do_post_move_processing(); - virtual void do_process_requests () ; - virtual void do_creation_processing() ; - virtual void do_removal_processing(); -}; +#define TRANSLATOR_DECLARATIONS(NAME) \ + public: \ + NAME (); \ + VIRTUAL_COPY_CONSTRUCTOR (Translator, NAME); \ + static SCM static_description_; \ + virtual SCM static_translator_description () const; \ + virtual SCM translator_description () const; +/* + Translate music into grobs. +*/ +class Translator +{ + void init (); -/** - A macro to automate administration of translators. - */ -#define ADD_THIS_TRANSLATOR(T) \ -static void _ ## T ## _adder () {\ - T *t = new T;\ - t->type_str_ = classname (t);\ - add_translator (t);\ -}\ -ADD_GLOBAL_CTOR(_ ## T ## _adder); +protected: + bool must_be_last_; +public: + bool must_be_last () const; + Context *context () const { return daddy_context_; } -extern Dictionary *global_translator_dict_p; -void add_translator (Translator*trans_p); + Translator (Translator const &); -Translator*get_translator_l (String s); + SCM internal_get_property (SCM symbol) const; + + virtual Output_def *get_output_def () const; + virtual Translator_group *get_daddy_translator ()const; + virtual Moment now_mom () const; + virtual bool try_music (Music *req); + virtual void stop_translation_timestep (); + virtual void start_translation_timestep (); + virtual void initialize (); + virtual void process_music (); + virtual void do_announces (); + virtual void finalize (); + + Score_context *get_score_context () const; + Global_context *get_global_context () const; + + TRANSLATOR_DECLARATIONS (Translator); + DECLARE_SMOBS (Translator, dummy); +protected: // should be private. + Context *daddy_context_; + virtual void derived_mark () const; + + friend class Context_def; + friend class Context; +}; +/** + A macro to automate administration of translators. +*/ +#define ADD_THIS_TRANSLATOR(T) \ + 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, accepted, acked, read, write) \ + ADD_THIS_TRANSLATOR (classname); \ + SCM \ + classname::static_translator_description () const \ + { \ + SCM static_properties = SCM_EOL; \ + /* static_properties = acons (name , gh_str02scm (Translator::name (self_scm ())), \ + static_properties_); \ + */ \ + static_properties = scm_acons (ly_symbol2scm ("grobs-created"), \ + parse_symbol_list (grobs), static_properties); \ + \ + static_properties = scm_acons (ly_symbol2scm ("description"), \ + scm_makfrom0str (desc), static_properties); \ + \ + static_properties = scm_acons (ly_symbol2scm ("interfaces-acked"), \ + parse_symbol_list (acked), static_properties); \ + static_properties = scm_acons (ly_symbol2scm ("events-accepted"), \ + parse_symbol_list (accepted), static_properties); \ + \ + static_properties = scm_acons (ly_symbol2scm ("properties-read"), \ + parse_symbol_list (read), static_properties); \ + \ + static_properties = scm_acons (ly_symbol2scm ("properties-written"), \ + parse_symbol_list (write), static_properties); \ + \ + return static_properties; \ + } + +void add_translator (Translator *trans); + +Translator *get_translator (SCM s); +DECLARE_UNSMOB (Translator, translator); #endif // TRANSLATOR_HH