]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/include/translator.hh
Fix some bugs in the dynamic engraver and PostScript backend
[lilypond.git] / lily / include / translator.hh
index 6173536b463a33def48fcd20fbeb6f0b1eb0f16a..398a32ce063bc76593d0b49518dc12b3d5b257d3 100644 (file)
@@ -3,31 +3,59 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #ifndef TRANSLATOR_HH
 #define TRANSLATOR_HH
 
 #include "global-ctor.hh"
-#include "string.hh"
+#include "std-string.hh"
 #include "lily-proto.hh"
 #include "virtual-methods.hh"
 #include "input.hh"
 #include "smobs.hh"
+#include "std-vector.hh"
 
-/* copied from lily-guile.hh */
-#ifndef get_property
-#define get_property(x) internal_get_property (ly_symbol2scm (x))
-#endif
+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 Drul_array<vector<Acknowledge_information> > acknowledge_static_array_drul_; \
+  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);                              \
+  }                                                                    \
+  virtual Engraver_void_function_engraver_grob_info get_end_acknowledger (SCM sym) \
+  {                                                                    \
+    return static_get_end_acknowledger (sym);                          \
+  } \
+  static Engraver_void_function_engraver_grob_info static_get_acknowledger (SCM sym); \
+  static Engraver_void_function_engraver_grob_info static_get_end_acknowledger(SCM); \
+  /* end #define */
 
-#define TRANSLATOR_DECLARATIONS(NAME)                  \
-  public:                                              \
-  NAME ();                                             \
-  VIRTUAL_COPY_CONSTRUCTOR (Translator, NAME);         \
-  static SCM static_description_;                      \
-  virtual SCM static_translator_description () const;  \
-  virtual SCM translator_description () const;
+
+#define DECLARE_ACKNOWLEDGER(x) public : void acknowledge_ ## x (Grob_info); protected:
+#define DECLARE_END_ACKNOWLEDGER(x) public : void acknowledge_end_ ## 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.
@@ -51,19 +79,22 @@ public:
   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 stop_translation_timestep ();
-  virtual void start_translation_timestep ();
   virtual void initialize ();
-  virtual void process_music ();
-  virtual void do_announces ();
   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;
@@ -71,55 +102,6 @@ protected:                  // should be private.
   friend class Context_def;
   friend class Context;
 };
-
-/**
-   A macro to automate administration of translators.
-*/
-#define ADD_THIS_TRANSLATOR(T)                                         \
-  SCM T::static_description_ = SCM_EOL;                                        \
-  static void _ ## T ## _adder ()                                      \
-  {                                                                    \
-    T *t = new T;                                                      \
-    T::static_description_ = t->static_translator_description ();      \
-    scm_permanent_object (T::static_description_);                     \
-    add_translator (t);                                                        \
-  }                                                                    \
-  SCM T::translator_description () const                               \
-  {                                                                    \
-    return static_description_;                                                \
-  }                                                                    \
-  ADD_GLOBAL_CTOR (_ ## T ## _adder);
-
-
-#define ADD_TRANSLATOR(classname, desc, grobs, accepted, acked, read, write) \
-  ADD_THIS_TRANSLATOR (classname);                                     \
-  SCM                                                                  \
-  classname::static_translator_description () const                    \
-  {                                                                    \
-    SCM static_properties = SCM_EOL;                                   \
-    /*  static_properties = acons (name , gh_str02scm (Translator::name (self_scm ())),        \
-       static_properties_);                                            \
-    */                                                                 \
-    static_properties = scm_acons (ly_symbol2scm ("grobs-created"),    \
-                                  parse_symbol_list (grobs), static_properties); \
-                                                                       \
-    static_properties = scm_acons (ly_symbol2scm ("description"),      \
-                                  scm_makfrom0str (desc), static_properties); \
-                                                                       \
-    static_properties = scm_acons (ly_symbol2scm ("interfaces-acked"), \
-                                  parse_symbol_list (acked), static_properties); \
-    static_properties = scm_acons (ly_symbol2scm ("events-accepted"),  \
-                                  parse_symbol_list (accepted), static_properties); \
-                                                                       \
-    static_properties = scm_acons (ly_symbol2scm ("properties-read"),  \
-                                  parse_symbol_list (read), static_properties); \
-                                                                       \
-    static_properties = scm_acons (ly_symbol2scm ("properties-written"), \
-                                  parse_symbol_list (write), static_properties); \
-                                                                       \
-    return static_properties;                                          \
-  }
-
 void add_translator (Translator *trans);
 
 Translator *get_translator (SCM s);