/*
- 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--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2004 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 "string.hh"
-#include "lily-proto.hh"
-#include "virtual-methods.hh"
+#include "listener.hh"
#include "translator.hh"
-#include "parray.hh"
-#include "smobs.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 : public Smob<Translator_group>
{
public:
- VIRTUAL_COPY_CONSTRUCTOR (Translator, Translator_group);
- virtual Translator_group* get_daddy_translator ()const;
+ SCM mark_smob ();
+ int print_smob (SCM, scm_print_state *);
+ static const char type_p_name_[];
+ virtual ~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:
+ DECLARE_CLASSNAME (Translator_group);
+
+ 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,
+ 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);
-SCM names_to_translators (SCM namelist, Context*tg);
-void recurse_down_translators (Context * c, Translator_method ptr, Direction);
-void translator_each (SCM list, Translator_method method);
+#define foobar
+#define ADD_TRANSLATOR_GROUP(classname, desc, grobs, read, write) foobar
#endif // TRANSLATOR_GROUP_HH
projects / lilypond.git / blobdiff