minix/lib/libmagicrt/include/st/cb_template.h

   1 #undef xglue
   2 #undef glue
   3 #undef CALLBACK_TYPENAME
   4 #undef CALLBACK_SETTERNAME
   5 #undef DEFINE_CALLBACK
   6 #undef DECLARE_CALLBACK
   7
   8 #define xglue(x, y) x ## y
   9 #define glue(x, y) xglue(x, y)
  10
  11 #ifdef CALLBACK_FAMILY
  12 #define CALLBACK_TYPENAME(name) glue(glue(glue(glue(glue(CALLBACK_PREFIX, _cb_), CALLBACK_FAMILY), _), name), _t)
  13 #define CALLBACK_SETTERNAME(name) glue(glue(glue(glue(CALLBACK_PREFIX, _setcb_), CALLBACK_FAMILY), _), name)
  14 #else
  15 #define CALLBACK_TYPENAME(name) glue(glue(glue(CALLBACK_PREFIX, _cb_), name), _t)
  16 #define CALLBACK_SETTERNAME(name) glue(glue(CALLBACK_PREFIX, _setcb_), name)
  17 #endif
  18
  19 #define DECLARE_CALLBACK(ret_type, name, args)                              \
  20 typedef ret_type(*CALLBACK_TYPENAME(name))args
  21
  22 #define DEFINE_DECL_CALLBACK(ret_type, name, args)                          \
  23 DECLARE_CALLBACK(ret_type, name, args);                                     \
  24 void CALLBACK_SETTERNAME(name)(CALLBACK_TYPENAME(name) cb)
  25
  26 #define DEFINE_DECL_CALLBACK_CUSTOM(ret_type, name, args, setter_args)      \
  27 DECLARE_CALLBACK(ret_type, name, args);                                     \
  28 void CALLBACK_SETTERNAME(name)setter_args