In libobjc/: 2010-10-12 Nicola Pero <nicola.pero@meta-innovation.com>

In libobjc/:
2010-10-12  Nicola Pero  <nicola.pero@meta-innovation.com>

        * class.c: Include objc/runtime.h and objc-private/module-abi-8.h
        instead of objc/objc-api.h.
        (objc_get_unknown_class_handler): Do not define.
        (class_isMetaClass): New.
        (class_getSuperclass): New.
        (class_getVersion): New.
        (class_setVersion): New.
        (class_getInstanceSize): New.
        * exceptions.c: Include objc/runtime.h instead of objc/objc-api.h.
        (is_kind_of_exception_matcher): Use objc_getSuperclass instead of
        objc_get_super_class.
        (get_ttype_entry): Use objc_getRequiredClass instead of
        objc_get_class.
        * ivars.c (class_getClassVariable): New.
        * objects.c: Include objc/runtime.h, objc/thr.h and
        objc-private/module-abi-8.h instead of objc/objc-api.h
        * objc/runtime.h (class_getClassVariable): New.
        (class_isMetaClass): New.
        (class_getSuperclass): New.
        (class_getVersion): New.
        (class_setVersion): New.
        (class_getInstanceSize): New.
        * objc-private/module-abi-8.h (HOST_BITS_PER_LONG): New (from
        objc/objc-api.h)
        (__CLS_INFO): Same.
        (__CLS_ISINFO): Same.
        (__CLS_SETINFO): Same.
        (CLS_ISMETA): Same.
        (CLS_ISCLASS): Same.
        (CLS_ISRESOLV): Same.
        (CLS_SETRESOLV): Same.
        (CLS_ISINITIALIZED): Same.
        (CLS_SETINITIALIZED): Same.
        (CLS_GETNUMBER): Same.
        (CLS_SETNUMBER): Same.

From-SVN: r165392

1 files changed, 19 insertions, 0 deletions

diff --git a/libobjc/ivars.c b/libobjc/ivars.c
index 061fa21..52b71af 100644
--- a/libobjc/ivars.c
+++ b/libobjc/ivars.c
@@ -60,6 +60,25 @@ class_getInstanceVariable (Class class_, const char *name)
   return NULL;
 }
 
+struct objc_ivar *
+class_getClassVariable (Class class_, const char *name)
+{
+  if (class_ == Nil)
+    return NULL;
+
+  /* Logically, since a class is an instance of its meta-class, and
+     since its class methods are the instance methods of the
+     meta-class, class variables should be instance variables of the
+     meta-class.  That is different from the normal use of having
+     'static' variables in the class implementation file, because
+     every class would have its own variables.
+
+     Anyway, it is all speculative at this stage, but if we get class
+     variables in Objective-C, it is conceivable that this
+     implementation should work.  */
+  return class_getInstanceVariable (class_->class_pointer, name);
+}
+
 void *
 object_getIndexedIvars (id object)
 {