X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Ftranslator-group.hh;h=b0e46d6f7ff90fb7eb1443d428d93121b2473bb6;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=0f5bc4f13a1229ec5f2c7594eb458c6e9ed9bc00;hpb=c659cb200486c2f908703696a1b2873e78c8160a;p=lilypond.git

diff --git a/lily/include/translator-group.hh b/lily/include/translator-group.hh
index 0f5bc4f13a..b0e46d6f7f 100644
--- a/lily/include/translator-group.hh
+++ b/lily/include/translator-group.hh
@@ -3,37 +3,94 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
-
 #ifndef TRANSLATOR_GROUP_HH
 #define TRANSLATOR_GROUP_HH
 
+#include "listener.hh"
 #include "translator.hh"
-#include "parray.hh"
 
-typedef void (Translator::*Translator_method) (void);
+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 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];
+
+  SCM protected_events_;
+
+  DECLARE_LISTENER (create_child_translator);
+
 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);
+
+public:
+  virtual void connect_to_context (Context *c);
+  virtual void disconnect_from_context ();
   virtual SCM get_simple_trans_list ();
-  virtual bool try_music (Music* req);       
   virtual void initialize ();
+  virtual void finalize ();
+
+  void protect_event (SCM ev);
+
+  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_;
+  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, read, write) foobar
 
+DECLARE_UNSMOB (Translator_group, translator_group);
 
 #endif // TRANSLATOR_GROUP_HH