source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-
#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"
+#include "std-vector.hh"
+
+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_;
-typedef void (Translator::*Translator_method) (void);
+ Translator_method_binding ()
+ {
+ }
+ Translator_method_binding (Translator *tr, Translator_void_method_ptr ptr)
+ {
+ translator_ = tr;
+ method_ = ptr;
+ }
+ void invoke ()
+ {
+ if (method_)
+ (*method_) (translator_);
+ }
+};
-class Translator_group : public virtual Translator
+class Translator_group
{
+private:
+ void precompute_method_bindings ();
+ vector<Translator_method_binding>
+ precomputed_method_bindings_[TRANSLATOR_METHOD_PRECOMPUTE_COUNT];
+
+ Translator_group_void_method
+ precomputed_self_method_bindings_[TRANSLATOR_METHOD_PRECOMPUTE_COUNT];
+
+ DECLARE_LISTENER (create_child_translator);
+ DECLARE_LISTENER (eat_event);
+
public:
- VIRTUAL_COPY_CONSTRUCTOR (Translator, Translator_group);
- virtual Translator_group* get_daddy_translator ()const;
+ VIRTUAL_COPY_CONSTRUCTOR (Translator_group, Translator_group);
+ DECLARE_SMOBS (Translator_group, dummy);
+
+public:
+ virtual void connect_to_context (Context *c);
+ virtual void disconnect_from_context ();
+ virtual Translator_group *get_daddy_translator ()const;
virtual SCM get_simple_trans_list ();
- virtual bool try_music (Music* req);
+ virtual bool try_music (Music *req);
virtual void initialize ();
+ virtual void finalize ();
+
+ void stop_translation_timestep ();
+ void start_translation_timestep ();
+
+ virtual void fetch_precomputable_methods (Translator_group_void_method[]);
+
Translator_group ();
+ 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_;
+ SCM accept_hash_table_;
+ 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, Direction);
-void translator_each (SCM list, Translator_method method);
+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, accepted, read, write) foobar
+DECLARE_UNSMOB (Translator_group, translator_group);
#endif // TRANSLATOR_GROUP_HH