X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Ftranslator-group.hh;h=edad599eea6d6ff03babaa0be125ef11187c83a5;hb=058370efc7e9710f149d0f444328bb1fcd7bdec1;hp=7a41f6e2ed5845f23a81ceff7f92c0442135c1c8;hpb=e24df7c27635dc996c466295eacf2981bddccaf7;p=lilypond.git

diff --git a/lily/include/translator-group.hh b/lily/include/translator-group.hh
index 7a41f6e2ed..edad599eea 100644
--- a/lily/include/translator-group.hh
+++ b/lily/include/translator-group.hh
@@ -1,39 +1,107 @@
 /*
-  translator-group.hh -- declare Translator_group
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-*/
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
 
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
+*/
 
 #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_)
+      (translator_->*method_) ();
+  }
+};
 
-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_group, Translator_group);
+  DECLARE_SMOBS (Translator_group);
+
 public:
-  VIRTUAL_COPY_CONSTRUCTOR (Translator, Translator_group);
-  virtual Translator_group* get_daddy_translator ()const;
+  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