X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Ftranslator-group.hh;h=b0e46d6f7ff90fb7eb1443d428d93121b2473bb6;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=50a713be690869bb6f1554495fd5e7befc8763c3;hpb=0817e0513d1016ff22a633b6fee20ddba2a062f2;p=lilypond.git diff --git a/lily/include/translator-group.hh b/lily/include/translator-group.hh index 50a713be69..b0e46d6f7f 100644 --- a/lily/include/translator-group.hh +++ b/lily/include/translator-group.hh @@ -3,78 +3,94 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2001 Han-Wen Nienhuys + (c) 1997--2008 Han-Wen Nienhuys */ - #ifndef TRANSLATOR_GROUP_HH #define TRANSLATOR_GROUP_HH -#include "string.hh" -#include "lily-proto.hh" -#include "virtual-methods.hh" +#include "listener.hh" #include "translator.hh" -#include "parray.hh" -#include "smobs.hh" -// egcs -typedef void (Translator::*Method_pointer) (void); -#define set_property(x,y) internal_set_property(ly_symbol2scm(x),y) +typedef void (Translator:: *Translator_method) (void); +typedef void (Translator_group:: *Translator_group_method) (void); +typedef void (*Translator_group_void_method) (Translator_group *); + +struct Translator_method_binding +{ + Translator *translator_; + Translator_void_method_ptr method_; + + Translator_method_binding () + { + } + Translator_method_binding (Translator *tr, Translator_void_method_ptr ptr) + { + translator_ = tr; + method_ = ptr; + } + void invoke () + { + if (method_) + (*method_) (translator_); + } +}; -class Scheme_hash_table; +class Translator_group +{ +private: + void precompute_method_bindings (); + vector + precomputed_method_bindings_[TRANSLATOR_METHOD_PRECOMPUTE_COUNT]; + Translator_group_void_method + precomputed_self_method_bindings_[TRANSLATOR_METHOD_PRECOMPUTE_COUNT]; -/** Make some kind of Elements from Requests. Elements are made by - hierarchically grouped Translators - */ -class Translator_group : public virtual Translator { + SCM protected_events_; - Scheme_hash_table *properties_dict () const; - int iterator_count_; + DECLARE_LISTENER (create_child_translator); - friend class Interpretation_context_handle; -protected: - ~Translator_group (); public: - SCM add_translator (SCM, Translator*); - void execute_single_pushpop_property (SCM prop, SCM sym, SCM val); - SCM internal_get_property (SCM name_sym) const; + VIRTUAL_COPY_CONSTRUCTOR (Translator_group, Translator_group); + DECLARE_SMOBS (Translator_group); - void unset_property (SCM var_sym); - void internal_set_property (SCM var_sym, SCM value); - Translator_group *where_defined (SCM name_sym) const; +public: + virtual void connect_to_context (Context *c); + virtual void disconnect_from_context (); + virtual SCM get_simple_trans_list (); + virtual void initialize (); + virtual void finalize (); + + void protect_event (SCM ev); - String id_str_; + void stop_translation_timestep (); + void start_translation_timestep (); + + virtual void fetch_precomputable_methods (Translator_group_void_method[]); - VIRTUAL_COPY_CONS (Translator); - Translator_group (Translator_group const &); Translator_group (); - void add_group_translator (Translator *trans_p); - - /// Score_register = 0, Staff_registers = 1, etc) - Translator_group* ancestor_l (int l=1); - int depth_i () const; - bool is_bottom_translator_b () const; - bool removable_b () const; - void terminate_translator (Translator*r_l); - Translator *remove_translator_p (Translator*trans_l); - void check_removal (); - // Translator *get_simple_translator (String) const; - Translator_group *find_existing_translator_l (String n, String id); - Translator_group *find_create_translator_l (String n, String id); - Link_array path_to_acceptable_translator (String alias, Music_output_def*) const; - Translator_group*get_default_interpreter (); -public: - bool try_music_on_nongroup_children (Music *m); - - virtual void do_announces (); - virtual bool try_music (Music* req_l); - virtual void stop_translation_timestep (); - virtual void start_translation_timestep (); - virtual void initialize (); - virtual void finalize (); - virtual void each (Method_pointer); + void precomputed_translator_foreach (Translator_precompute_index); + void call_precomputed_self_method (Translator_precompute_index); + + Context *context () const { return context_; } +protected: + SCM simple_trans_list_; + Context *context_; + + friend class Context_def; + virtual void derived_mark () const; }; +SCM names_to_translators (SCM namelist, Context *tg); +void recurse_over_translators (Context *c, Translator_method ptr, + Translator_group_method ptr2, Direction); +void precomputed_recurse_over_translators (Context *c, Translator_precompute_index idx, Direction dir); +Translator_group *get_translator_group (SCM sym); + +#define foobar +#define ADD_TRANSLATOR_GROUP(classname, desc, grobs, read, write) foobar + +DECLARE_UNSMOB (Translator_group, translator_group); + #endif // TRANSLATOR_GROUP_HH