Gcc 3.3.1-pre 2003-07-11 Objective C support bits.

5 files changed, 77 insertions, 69 deletions

diff --git a/contrib/libobjc/objc/encoding.h b/contrib/libobjc/objc/encoding.h
index b4def430..36a3d89 100644
--- a/contrib/libobjc/objc/encoding.h
+++ b/contrib/libobjc/objc/encoding.h
@@ -1,5 +1,5 @@
 /* Encoding of types for Objective C.
-   Copyright (C) 1993, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1997, 2002 Free Software Foundation, Inc.
 
 Author: Kresten Krab Thorup
 
@@ -50,30 +50,30 @@ Boston, MA 02111-1307, USA.  */
 #define _F_ONEWAY	0x10
 #define _F_GCINVISIBLE	0x20
 
-int objc_aligned_size (const char* type);
-int objc_sizeof_type (const char* type);
-int objc_alignof_type (const char* type);
-int objc_aligned_size (const char* type);
-int objc_promoted_size (const char* type);
+int objc_aligned_size (const char *type);
+int objc_sizeof_type (const char *type);
+int objc_alignof_type (const char *type);
+int objc_aligned_size (const char *type);
+int objc_promoted_size (const char *type);
 
-const char* objc_skip_type_qualifiers (const char* type);
-const char* objc_skip_typespec (const char* type);
-const char* objc_skip_offset (const char* type);
-const char* objc_skip_argspec (const char* type);
-int method_get_number_of_arguments (struct objc_method*);
-int method_get_sizeof_arguments (struct objc_method*);
+const char *objc_skip_type_qualifiers (const char *type);
+const char *objc_skip_typespec (const char *type);
+const char *objc_skip_offset (const char *type);
+const char *objc_skip_argspec (const char *type);
+int method_get_number_of_arguments (struct objc_method *);
+int method_get_sizeof_arguments (struct objc_method *);
 
-char* method_get_first_argument (struct objc_method*,
+char *method_get_first_argument (struct objc_method *,
 				 arglist_t argframe, 
-				 const char** type);
-char* method_get_next_argument (arglist_t argframe, 
+				 const char **type);
+char *method_get_next_argument (arglist_t argframe, 
 				const char **type);
-char* method_get_nth_argument (struct objc_method* m, 
+char *method_get_nth_argument (struct objc_method *m, 
 			       arglist_t argframe,
 			       int arg, 
 			       const char **type);
 
-unsigned objc_get_type_qualifiers (const char* type);
+unsigned objc_get_type_qualifiers (const char *type);
 
 
 struct objc_struct_layout 
diff --git a/contrib/libobjc/objc/hash.h b/contrib/libobjc/objc/hash.h
index fc3cc9e..e695012a 100644
--- a/contrib/libobjc/objc/hash.h
+++ b/contrib/libobjc/objc/hash.h
@@ -60,7 +60,7 @@ typedef struct cache_node
  * typedef.  Therefore, to remove compiler warnings the functions passed to
  * hash_new will have to be casted to this type. 
  */
-typedef unsigned int (*hash_func_type)(void *, const void *);
+typedef unsigned int (*hash_func_type) (void *, const void *);
 
 /*
  * This data type is the function that compares two hash keys and returns an
@@ -69,7 +69,7 @@ typedef unsigned int (*hash_func_type)(void *, const void *);
  * second. 
  */
 
-typedef int (*compare_func_type)(const void *, const void *);
+typedef int (*compare_func_type) (const void *, const void *);
 
 
 /*
@@ -174,8 +174,8 @@ hash_string (cache_ptr cache, const void *key)
   unsigned int ctr = 0;
         
         
-  while (*(char*)key) {
-    ret ^= *(char*)key++ << ctr;
+  while (*(char *) key) {
+    ret ^= *(char *) key++ << ctr;
     ctr = (ctr + 1) % sizeof (void *);
   }
 
@@ -187,7 +187,7 @@ hash_string (cache_ptr cache, const void *key)
 static inline int 
 compare_ptrs (const void *k1, const void *k2)
 {
-  return !(k1 - k2);
+  return ! (k1 - k2);
 }
 
 
@@ -200,7 +200,7 @@ compare_strings (const void *k1, const void *k2)
   else if (k1 == 0 || k2 == 0)
     return 0;
   else
-    return !strcmp (k1, k2);
+    return ! strcmp (k1, k2);
 }
 
 
diff --git a/contrib/libobjc/objc/objc.h b/contrib/libobjc/objc/objc.h
index 79b2519..699542c 100644
--- a/contrib/libobjc/objc/objc.h
+++ b/contrib/libobjc/objc/objc.h
@@ -73,7 +73,14 @@ typedef struct objc_object {
 
 /*
 ** Definition of method type.  When retrieving the implementation of a
-** method, this is type of the pointer returned
+** method, this is type of the pointer returned.  The idea of the
+** definition of IMP is to represent a 'pointer to a general function
+** taking an id, a SEL, followed by other unspecified arguments'.  You
+** must always cast an IMP to a pointer to a function taking the
+** appropriate, specific types for that function, before calling it -
+** to make sure the appropriate arguments are passed to it.  The code
+** generated by the compiler to perform method calls automatically
+** does this cast inside method calls.
 */
 typedef id (*IMP)(id, SEL, ...); 
 
diff --git a/contrib/libobjc/objc/runtime.h b/contrib/libobjc/objc/runtime.h
index b0eae4a..bea9253 100644
--- a/contrib/libobjc/objc/runtime.h
+++ b/contrib/libobjc/objc/runtime.h
@@ -1,5 +1,5 @@
 /* GNU Objective C Runtime internal declarations
-   Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1995, 1996, 1997, 2002 Free Software Foundation, Inc.
    Contributed by Kresten Krab Thorup
 
 This file is part of GNU CC.
@@ -65,7 +65,7 @@ extern Method_t search_for_method_in_list(MethodList_t list, SEL op);
 extern BOOL __objc_class_links_resolved;
 
 /* Number of selectors stored in each of the selector  tables */
-extern int __objc_selector_max_index;
+extern unsigned int __objc_selector_max_index;
 
 /* Mutex locking __objc_selector_max_index and its arrays. */
 extern objc_mutex_t __objc_runtime_mutex;
@@ -82,6 +82,7 @@ extern int __objc_runtime_threads_alive;
 BOOL __objc_responds_to (id object, SEL sel); /* for internal use only! */
 SEL  __sel_register_typed_name (const char*, const char*, 
 				struct objc_selector*, BOOL is_const);
+extern void __objc_generate_gc_type_description (Class);
 
 #endif /* not __objc_runtime_INCLUDE_GNU */
 
diff --git a/contrib/libobjc/objc/thr.h b/contrib/libobjc/objc/thr.h
index 59766f6..48ad0be 100644
--- a/contrib/libobjc/objc/thr.h
+++ b/contrib/libobjc/objc/thr.h
@@ -1,5 +1,5 @@
 /* Thread and mutex controls for Objective C.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc.
    Contributed by Galen C. Hunt (gchunt@cs.rochester.edu)
 
 This file is part of GNU CC.
@@ -74,30 +74,30 @@ struct objc_condition
 typedef struct objc_condition *objc_condition_t;
 
 /* Frontend mutex functions */
-objc_mutex_t objc_mutex_allocate(void);
-int objc_mutex_deallocate(objc_mutex_t mutex);
-int objc_mutex_lock(objc_mutex_t mutex);
-int objc_mutex_unlock(objc_mutex_t mutex);
-int objc_mutex_trylock(objc_mutex_t mutex);
+objc_mutex_t objc_mutex_allocate (void);
+int objc_mutex_deallocate (objc_mutex_t mutex);
+int objc_mutex_lock (objc_mutex_t mutex);
+int objc_mutex_unlock (objc_mutex_t mutex);
+int objc_mutex_trylock (objc_mutex_t mutex);
 
 /* Frontend condition mutex functions */
-objc_condition_t objc_condition_allocate(void);
-int objc_condition_deallocate(objc_condition_t condition);
-int objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex);
-int objc_condition_signal(objc_condition_t condition);
-int objc_condition_broadcast(objc_condition_t condition);
+objc_condition_t objc_condition_allocate (void);
+int objc_condition_deallocate (objc_condition_t condition);
+int objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex);
+int objc_condition_signal (objc_condition_t condition);
+int objc_condition_broadcast (objc_condition_t condition);
 
 /* Frontend thread functions */
-objc_thread_t objc_thread_detach(SEL selector, id object, id argument);
-void objc_thread_yield(void);
-int objc_thread_exit(void);
-int objc_thread_set_priority(int priority);
-int objc_thread_get_priority(void);
-void * objc_thread_get_data(void);
-int objc_thread_set_data(void *value);
-objc_thread_t objc_thread_id(void);
-void objc_thread_add(void);
-void objc_thread_remove(void);
+objc_thread_t objc_thread_detach (SEL selector, id object, id argument);
+void objc_thread_yield (void);
+int objc_thread_exit (void);
+int objc_thread_set_priority (int priority);
+int objc_thread_get_priority (void);
+void * objc_thread_get_data (void);
+int objc_thread_set_data (void *value);
+objc_thread_t objc_thread_id (void);
+void objc_thread_add (void);
+void objc_thread_remove (void);
 
 /*
   Use this to set the hook function that will be called when the 
@@ -111,35 +111,35 @@ void objc_thread_remove(void);
   it can be informed; for example, the GNUstep Base Library sets it 
   so it can implement the NSBecomingMultiThreaded notification.
   */
-typedef void (*objc_thread_callback)();
-objc_thread_callback objc_set_thread_callback(objc_thread_callback func);
+typedef void (*objc_thread_callback) (void);
+objc_thread_callback objc_set_thread_callback (objc_thread_callback func);
 
 /* Backend initialization functions */
-int __objc_init_thread_system(void);
-int __objc_fini_thread_system(void);
+int __objc_init_thread_system (void);
+int __objc_fini_thread_system (void);
 
 /* Backend mutex functions */
-int __objc_mutex_allocate(objc_mutex_t mutex);
-int __objc_mutex_deallocate(objc_mutex_t mutex);
-int __objc_mutex_lock(objc_mutex_t mutex);
-int __objc_mutex_trylock(objc_mutex_t mutex);
-int __objc_mutex_unlock(objc_mutex_t mutex);
+int __objc_mutex_allocate (objc_mutex_t mutex);
+int __objc_mutex_deallocate (objc_mutex_t mutex);
+int __objc_mutex_lock (objc_mutex_t mutex);
+int __objc_mutex_trylock (objc_mutex_t mutex);
+int __objc_mutex_unlock (objc_mutex_t mutex);
 
 /* Backend condition mutex functions */
-int __objc_condition_allocate(objc_condition_t condition);
-int __objc_condition_deallocate(objc_condition_t condition);
-int __objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex);
-int __objc_condition_broadcast(objc_condition_t condition);
-int __objc_condition_signal(objc_condition_t condition);
+int __objc_condition_allocate (objc_condition_t condition);
+int __objc_condition_deallocate (objc_condition_t condition);
+int __objc_condition_wait (objc_condition_t condition, objc_mutex_t mutex);
+int __objc_condition_broadcast (objc_condition_t condition);
+int __objc_condition_signal (objc_condition_t condition);
 
 /* Backend thread functions */
-objc_thread_t __objc_thread_detach(void (*func)(void *arg), void *arg);
-int __objc_thread_set_priority(int priority);
-int __objc_thread_get_priority(void);
-void __objc_thread_yield(void);
-int __objc_thread_exit(void);
-objc_thread_t __objc_thread_id(void);
-int __objc_thread_set_data(void *value);
-void * __objc_thread_get_data(void);
+objc_thread_t __objc_thread_detach (void (*func) (void *arg), void *arg);
+int __objc_thread_set_priority (int priority);
+int __objc_thread_get_priority (void);
+void __objc_thread_yield (void);
+int __objc_thread_exit (void);
+objc_thread_t __objc_thread_id (void);
+int __objc_thread_set_data (void *value);
+void * __objc_thread_get_data (void);
 
 #endif /* not __thread_INCLUDE_GNU */