-#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 {
+/*
+ Each translator class has a static list of listener records. Each
+ record makes one explains how to register one of the class's stream event
+ listeners to a context.
+*/
+typedef struct translator_listener_record
+{
+ Listener (*get_listener_) (void *, SCM event_class);
+ SCM event_class_;
+ struct translator_listener_record *next_;
+
+ translator_listener_record ()
+ {
+ next_ = 0;
+ event_class_ = SCM_EOL;
+ get_listener_ = 0;
+ }
+
+} translator_listener_record;
+
+#define TRANSLATOR_DECLARATIONS_NO_LISTENER(NAME) \
+private: \
+ 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; \
+ static Engraver_void_function_engraver_grob_info static_get_acknowledger (SCM sym); \
+ static Engraver_void_function_engraver_grob_info static_get_end_acknowledger(SCM); \
+ 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); \
+ } \
+ /* end #define */
+
+#define TRANSLATOR_DECLARATIONS(NAME) \
+ TRANSLATOR_DECLARATIONS_NO_LISTENER(NAME) \
+private: \
+ static translator_listener_record *listener_list_; \
+public: \
+ virtual translator_listener_record *get_listener_list () const \
+ { \
+ return listener_list_; \
+ } \
+ /* end #define */
+
+#define DECLARE_TRANSLATOR_LISTENER(m) \
+public: \
+inline void listen_ ## m (Stream_event *); \
+/* Should be private */ \
+static void _internal_declare_ ## m (); \
+private: \
+ static Listener _get_ ## m ## _listener (void *, SCM); \
+DECLARE_LISTENER (_listen_scm_ ## m);
+
+#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
+{