* lily/include/translator.hh (class Translator): remove

[lilypond.git] / lily / include / translator.hh

diff --git a/lily/include/translator.hh b/lily/include/translator.hh
index b1e333a59adc39feaee2d7dc3a44dc04f116aa3c..754bfba73a9acdf6afc39652bea8459c06457e01 100644 (file)
--- a/lily/include/translator.hh
+++ b/lily/include/translator.hh
@@ -3,36 +3,96 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
-
 #ifndef TRANSLATOR_HH
 #define TRANSLATOR_HH
 
+#include "global-ctor.hh"
 #include "string.hh"
 #include "lily-proto.hh"
 #include "virtual-methods.hh"
+#include "input.hh"
+#include "smobs.hh"
+
+struct Acknowledge_information
+{
+  SCM symbol_;
+  Engraver_void_function_engraver_grob_info function_;
+};
+
+#define TRANSLATOR_DECLARATIONS(NAME)                  \
+  public:                                              \
+  NAME ();                                             \
+  VIRTUAL_COPY_CONSTRUCTOR (Translator, NAME);         \
+  static SCM static_description_;                      \
+  static Array<Acknowledge_information> acknowledge_static_array_; \
+  virtual void fetch_precomputable_methods (Translator_void_method_ptr methods[]);\
+  virtual SCM static_translator_description () const;  \
+  virtual SCM translator_description () const; \
+  virtual Engraver_void_function_engraver_grob_info get_acknowledger (SCM sym) { \
+    return static_get_acknowledger (sym);\
+  }\
+  static Engraver_void_function_engraver_grob_info static_get_acknowledger (SCM sym);
+
+#define DECLARE_ACKNOWLEDGER(x) public: void acknowledge_ ## x (Grob_info); protected:
+
+enum Translator_precompute_index {
+  START_TRANSLATION_TIMESTEP,
+  STOP_TRANSLATION_TIMESTEP,
+  PROCESS_MUSIC,
+  PROCESS_ACKNOWLEDGED,
+  TRANSLATOR_METHOD_PRECOMPUTE_COUNT,
+};
+
+/*
+  Translate music into grobs.
+*/
+class Translator
+{
+  void init ();
+  
+protected:
+  bool must_be_last_;
 
-class Translator {
 public:
-    String id_str_;
-    
-    int iterator_count_;
-    
-    virtual Global_translator *global_l() { return 0; }
-
-    /// Score_register = 0, Staff_registers = 1, etc)
-    virtual void print()const;
-    virtual int depth_i()const=0;
-    virtual bool is_bottom_engraver_b() const { return false; }
-    virtual bool try_request(Request*);
-    virtual Translator *find_get_translator_l(String name, String id)=0;
-    virtual Translator *ancestor_l(int l=1)=0;
-    virtual ~Translator(){}
-    NAME_MEMBERS();
-    Translator();
-    virtual Translator *get_default_interpreter()=0;
+  bool must_be_last () const;
+
+  Context *context () const { return daddy_context_; }
+
+  Translator (Translator const &);
+
+  SCM internal_get_property (SCM symbol) const;
+
+  virtual Output_def *get_output_def () const;
+  virtual Translator_group *get_daddy_translator ()const;
+  virtual Moment now_mom () const;
+  
+  virtual bool try_music (Music *req);
+  virtual void initialize ();
+  virtual void finalize ();
+
+  void stop_translation_timestep ();
+  void start_translation_timestep ();
+  void process_music ();
+  void process_acknowledged ();
+  
+  Score_context *get_score_context () const;
+  Global_context *get_global_context () const;
+
+  TRANSLATOR_DECLARATIONS (Translator);
+  DECLARE_SMOBS (Translator, dummy);
+
+protected:                     // should be private.
+  Context *daddy_context_;
+  virtual void derived_mark () const;
+
+  friend class Context_def;
+  friend class Context;
 };
+void add_translator (Translator *trans);
 
+Translator *get_translator (SCM s);
+DECLARE_UNSMOB (Translator, translator);
 #endif // TRANSLATOR_HH