0.9.18.71: fix build on Darwin 7.9.0 (OS X 10.3)

[sbcl.git] / src / code / class.lisp

diff --git a/src/code/class.lisp b/src/code/class.lisp
index dcd40fe..c3af80d 100644 (file)
--- a/src/code/class.lisp
+++ b/src/code/class.lisp
@@ -847,6 +847,11 @@ NIL is returned when no such class exists."
     (ensure-classoid-valid class1 layout1)
     (ensure-classoid-valid class2 layout2)))
 
+(defun update-object-layout-or-invalid (object layout)
+  (if (typep (classoid-of object) 'standard-classoid)
+      (sb!pcl::check-wrapper-validity object)
+      (%layout-invalid-error object layout)))
+
 ;;; Simple methods for TYPE= and SUBTYPEP should never be called when
 ;;; the two classes are equal, since there are EQ checks in those
 ;;; operations.
@@ -939,12 +944,16 @@ NIL is returned when no such class exists."
 \f
 ;;;; PCL stuff
 
-(def!struct (std-classoid (:include classoid)
-                          (:constructor nil)))
-(def!struct (standard-classoid (:include std-classoid)
+;;; the CLASSOID that we use to represent type information for
+;;; STANDARD-CLASS and FUNCALLABLE-STANDARD-CLASS.  The type system
+;;; side does not need to distinguish between STANDARD-CLASS and
+;;; FUNCALLABLE-STANDARD-CLASS.
+(def!struct (standard-classoid (:include classoid)
                                (:constructor make-standard-classoid)))
-(def!struct (random-pcl-classoid (:include std-classoid)
-                                 (:constructor make-random-pcl-classoid)))
+;;; a metaclass for classes which aren't standardlike but will never
+;;; change either.
+(def!struct (static-classoid (:include classoid)
+                             (:constructor make-static-classoid)))
 \f
 ;;;; built-in classes