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class.c (class_getSuperclass): Call __objc_resolve_class_links if the class is not resolved yet. 

2010-10-16  Nicola Pero  <nicola.pero@meta-innovation.com>

        * class.c (class_getSuperclass): Call __objc_resolve_class_links
        if the class is not resolved yet.
        * ivars.c (class_getInstanceVariable): Use class_getSuperclass.

From-SVN: r165542
This commit is contained in:
Nicola Pero 2010-10-16 14:03:42 +00:00 committed by Nicola Pero
parent 4b0b4ab069
commit 1cde73d75d
3 changed files with 20 additions and 2 deletions
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6
libobjc/ChangeLog
View File

@ -1,3 +1,9 @@
2010-10-16 Nicola Pero <nicola.pero@meta-innovation.com>
* class.c (class_getSuperclass): Call __objc_resolve_class_links
if the class is not resolved yet.
* ivars.c (class_getInstanceVariable): Use class_getSuperclass.
2010-10-16 Nicola Pero <nicola.pero@meta-innovation.com>
* objc/runtime.h (class_getIvarLayout): New.

14
libobjc/class.c
View File

@ -500,7 +500,7 @@ objc_getClass (const char *name)
if (class)
return class;
if (__objc_get_unknown_class_handler)
return (*__objc_get_unknown_class_handler) (name);
@ -796,12 +796,24 @@ class_isMetaClass (Class class_)
return CLS_ISMETA (class_);
}
/* Even inside libobjc it may be worth using class_getSuperclass
instead of accessing class_->super_class directly because it
resolves the class links if needed. If you access
class_->super_class directly, make sure to deal with the situation
where the class is not resolved yet! */
Class
class_getSuperclass (Class class_)
{
if (class_ == Nil)
return Nil;
/* If the class is not resolved yet, super_class would point to a
string (the name of the super class) as opposed to the actual
super class. In that case, we need to resolve the class links
before we can return super_class. */
if (! CLS_ISRESOLV (class_))
__objc_resolve_class_links ();
return class_->super_class;
}

2
libobjc/ivars.c
View File

@ -53,7 +53,7 @@ class_getInstanceVariable (Class class_, const char *name)
}
}
}
class_ = class_->super_class;
class_ = class_getSuperclass (class_);
}
objc_mutex_unlock (__objc_runtime_mutex);
}