0.7.12.47:

[sbcl.git] / src / pcl / braid.lisp

diff --git a/src/pcl/braid.lisp b/src/pcl/braid.lisp
index 1b713ac..6b08ed1 100644 (file)
--- a/src/pcl/braid.lisp
+++ b/src/pcl/braid.lisp
@@ -294,6 +294,22 @@
       (set-slot 'direct-slots direct-slots)
       (set-slot 'slots slots)
       (set-slot 'initialize-info nil))
+
+    ;; For all direct superclasses SUPER of CLASS, make sure CLASS is
+    ;; a direct subclass of SUPER.  Note that METACLASS-NAME doesn't
+    ;; matter here for the slot DIRECT-SUBCLASSES, since every class
+    ;; inherits the slot from class CLASS.
+    (dolist (super direct-supers)
+      (let* ((super (find-class super))
+            (subclasses (!bootstrap-get-slot metaclass-name super
+                                             'direct-subclasses)))
+       (cond ((eq +slot-unbound+ subclasses)
+              (!bootstrap-set-slot metaclass-name super 'direct-subclasses
+                                   (list class)))
+             ((not (memq class subclasses))
+              (!bootstrap-set-slot metaclass-name super 'direct-subclasses
+                                   (cons class subclasses))))))
+
     (if (eq metaclass-name 'structure-class)
        (let ((constructor-sym '|STRUCTURE-OBJECT class constructor|))
          (set-slot 'predicate-name (or (cadr (assoc name