gcc/objc/runtime.h

   1 /* GNU Objective C Runtime internal declarations
   2    Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
   3    Contributed by Kresten Krab Thorup
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC is free software; you can redistribute it and/or modify it under the
   8 terms of the GNU General Public License as published by the Free Software
   9 Foundation; either version 2, or (at your option) any later version.
  10
  11 GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13 FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  14 details.
  15
  16 You should have received a copy of the GNU General Public License along with
  17 GNU CC; see the file COPYING.  If not, write to the Free Software
  18 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 /* As a special exception, if you link this library with files compiled with
  21    GCC to produce an executable, this does not cause the resulting executable
  22    to be covered by the GNU General Public License. This exception does not
  23    however invalidate any other reasons why the executable file might be
  24    covered by the GNU General Public License.  */
  25
  26 #ifndef __objc_runtime_INCLUDE_GNU
  27 #define __objc_runtime_INCLUDE_GNU
  28
  29 #include <stdarg.h>             /* for varargs and va_list's */
  30
  31 #include <stdio.h>
  32 #include <ctype.h>
  33
  34 #include <stddef.h>             /* so noone else will get system versions */
  35 #include "assert.h"
  36
  37 #include "objc/objc.h"          /* core data types */
  38 #include "objc/objc-api.h"      /* runtime api functions */
  39
  40 #include "objc/thr.h"           /* thread and mutex support */
  41
  42 #include "objc/hash.h"          /* hash structures */
  43 #include "objc/objc-list.h"     /* linear lists */
  44
  45 extern void __objc_add_class_to_hash(Class);   /* (objc-class.c) */
  46 extern void __objc_init_selector_tables();     /* (objc-sel.c) */
  47 extern void __objc_init_class_tables();        /* (objc-class.c) */
  48 extern void __objc_init_dispatch_tables();     /* (objc-dispatch.c) */
  49 extern void __objc_install_premature_dtable(Class); /* (objc-dispatch.c) */
  50 extern void __objc_resolve_class_links();      /* (objc-class.c) */
  51 extern void __objc_register_selectors_from_class(Class); /* (objc-sel.c) */
  52 extern void __objc_update_dispatch_table_for_class (Class);/* (objc-msg.c) */
  53
  54 extern int  __objc_init_thread_system(void);    /* thread.c                 */
  55 extern int  __objc_fini_thread_system(void);    /* thread.c                 */
  56
  57 extern void class_add_method_list(Class, MethodList_t);
  58
  59 /* Registering instance methods as class methods for root classes */
  60 extern void __objc_register_instance_methods_to_class(Class);
  61 extern Method_t search_for_method_in_list(MethodList_t list, SEL op);
  62
  63 /* True when class links has been resolved */
  64 extern BOOL __objc_class_links_resolved;
  65
  66 /* Number of selectors stored in each of the selector  tables */
  67 extern int __objc_selector_max_index;
  68
  69 /* Mutex locking __objc_selector_max_index and its arrays. */
  70 extern objc_mutex_t __objc_runtime_mutex;
  71
  72 /* Number of threads which are alive. */
  73 extern int __objc_runtime_threads_alive;
  74
  75 #ifdef DEBUG
  76 #define DEBUG_PRINTF(format, args...) printf (format, ## args)
  77 #else
  78 #define DEBUG_PRINTF(format, args...)
  79 #endif
  80
  81 BOOL __objc_responds_to (id object, SEL sel); /* for internal use only! */
  82 SEL  __sel_register_typed_name (const char*, const char*,
  83                                 struct objc_selector*, BOOL is_const);
  84
  85 #endif /* not __objc_runtime_INCLUDE_GNU */
  86
  87