In libobjc/: 2010-12-19 Nicola Pero <nicola.pero@meta-innovation.com>

In libobjc/:
2010-12-19  Nicola Pero  <nicola.pero@meta-innovation.com>

	* init.c: Updated comments.
	* objc/objc-api.h: Updated comments.
	* objc/runtime.h (_objc_load_callback): Declare.

From-SVN: r168044

libobjc/ChangeLog

@@ -1,3 +1,9 @@
+2010-12-19  Nicola Pero  <nicola.pero@meta-innovation.com>
+
+	* init.c: Updated comments.
+	* objc/objc-api.h: Updated comments.
+	* objc/runtime.h (_objc_load_callback): Declare.
+	
 2010-12-19  Nicola Pero  <nicola.pero@meta-innovation.com>
 
 	* objc/Object.h: Include deprecated/typedstream.h and

libobjc/init.c

@@ -83,11 +83,7 @@ static void __objc_init_protocol (struct objc_protocol *protocol);
 /* Add protocol to class.  */
 static void __objc_class_add_protocols (Class, struct objc_protocol_list *);
 
-/* This is a hook which is called by __objc_exec_class every time a
+/* Load callback hook.  */
-   class or a category is loaded into the runtime.  This may e.g. help
-   a dynamic loader determine the classes that have been loaded when
-   an object file is dynamically linked in.  */
-/* TODO: This needs to be declared in a public file with the new API.  */
 void (*_objc_load_callback) (Class class, struct objc_category *category); /* !T:SAFE */
 
 /* Are all categories/classes resolved?  */
@@ -724,6 +720,10 @@ __objc_exec_class (struct objc_module *module)
   objc_send_load ();
 
   objc_mutex_unlock (__objc_runtime_mutex);
+
+  /* TODO: Do we need to add a call to __objc_resolve_class_links()
+     here ?  gnustep-base does it manually after it loads a module.
+     Shouldn't we do it automatically ?  */
 }
 
 static void

libobjc/objc/objc-api.h

@@ -26,25 +26,28 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #ifndef __objc_api_INCLUDE_GNU
 #define __objc_api_INCLUDE_GNU
 
-/*
+/* This file declares the "traditional" GNU Objective-C Runtime API.
-  This file declares the "traditional" GNU Objective-C Runtime API.
+   It is the API supported by older versions of the GNU Objective-C
-  It is the API supported by older versions of the GNU Objective-C
+   Runtime.  Include this file to use it.
-  Runtime.  Include this file to use it.
 
-  This API is being replaced by the "modern" GNU Objective-C Runtime
+   This API is being replaced by the "modern" GNU Objective-C Runtime
-  API, which is declared in objc/runtime.h.  The "modern" API is very
+   API, which is declared in objc/runtime.h.  The "modern" API is very
-  similar to the API used by the modern Apple/NeXT runtime.
+   similar to the API used by the modern Apple/NeXT runtime.
 
-  Because the two APIs have some conflicting definitions (in
+   The last version of GCC supporting the traditional API is GCC 4.6.
-  particular, Method and Category are defined differently) you should
+   This file will not exist in later versions of GCC.
-  include either objc/objc-api.h (to use the traditional GNU
+
-  Objective-C Runtime API) or objc/runtime.h (to use the modern GNU
+   Because the two APIs have some conflicting definitions (in
-  Objective-C Runtime API), but not both.
+   particular, Method and Category are defined differently) you should
-*/
+   include either objc/objc-api.h (to use the traditional GNU
+   Objective-C Runtime API) or objc/runtime.h (to use the modern GNU
+   Objective-C Runtime API), but not both.  */
 #ifdef __objc_runtime_INCLUDE_GNU
 # error You can not include both objc/objc-api.h and objc/runtime.h.  Include objc/objc-api.h for the traditional GNU Objective-C Runtime API and objc/runtime.h for the modern one.
 #endif
 
+/* TODO: A deprecation warning any time the file is included ? */
+
 #include "objc.h"
 #ifndef GNU_LIBOBJC_COMPILING_LIBOBJC_ITSELF
 # include "deprecated/hash.h"
@@ -182,6 +185,8 @@ typedef struct objc_category Category, *Category_t;
 ** objc_get_class if the runtime is not able to find the class.
 ** This may e.g. try to load in the class using dynamic loading.
 ** The function is guaranteed to be passed a non-NULL name string.
+** In the Modern API, this is replaced by
+** objc_setGetUnknownClassHandler ().
 */
 objc_EXPORT Class (*_objc_lookup_class)(const char *name);
 

libobjc/objc/runtime.h

@@ -876,6 +876,14 @@ objc_EXPORT Protocol **protocol_copyProtocolList (Protocol *protocol, unsigned i
 
 /* TODO: Add all the other functions in the API.  */
 
+/** Implementation: the following hook is in init.c.  */
+
+/* This is a hook which is called by __objc_exec_class every time a
+   class or a category is loaded into the runtime.  This may e.g. help
+   a dynamic loader determine the classes that have been loaded when
+   an object file is dynamically linked in.  */
+objc_EXPORT void (*_objc_load_callback)(Class _class, struct objc_category *category);
+
 
 /** Implementation: the following functions are in objc-foreach.c.  */