libobjc/objc/deprecated/struct_objc_symtab.h

   1 /* Whereas a Module (defined further down) is the root (typically) of a file,
   2    a Symtab is the root of the class and category definitions within the
   3    module.
   4
   5    A Symtab contains a variable length array of pointers to classes and
   6    categories  defined in the module.   */
   7 typedef struct objc_symtab {
   8   unsigned long sel_ref_cnt;  /* Unused (always set to 0). */
   9   SEL      refs;              /* The table of selectors referenced in
  10                                  this module.  This is terminated by a
  11                                  selector with NULL sel_id and NULL
  12                                  sel_types.  */
  13   unsigned short cls_def_cnt;                   /* Number of classes compiled
  14                                                   (defined) in the module. */
  15   unsigned short cat_def_cnt;                   /* Number of categories
  16                                                   compiled (defined) in the
  17                                                   module. */
  18
  19   void      *defs[1];                           /* Variable array of pointers.
  20                                                   cls_def_cnt of type Class
  21                                                   followed by cat_def_cnt of
  22                                                   type Category_t, followed
  23                                                   by a NULL terminated array
  24                                                   of objc_static_instances. */
  25 } Symtab,   *Symtab_t;
  26