X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fpcl%2Fslots.lisp;h=a37f983399e250da4060ef4d19943a059b741a3b;hb=01e9e8c568777d6480699e6cb3947f38c3bed350;hp=6b7b120b0edb5ad1044731f85f1a85770aea75c8;hpb=1a405defbd26ca767e71494b67127fcc00a8af12;p=sbcl.git

diff --git a/src/pcl/slots.lisp b/src/pcl/slots.lisp
index 6b7b120..a37f983 100644
--- a/src/pcl/slots.lisp
+++ b/src/pcl/slots.lisp
@@ -90,7 +90,7 @@
 
 (define-compiler-macro slot-value (&whole form object slot-name)
   (if (and (constantp slot-name)
-           (interned-symbol-p (eval slot-name)))
+           (interned-symbol-p (constant-form-value slot-name)))
       `(accessor-slot-value ,object ,slot-name)
       form))
 
@@ -105,7 +105,7 @@
 
 (define-compiler-macro set-slot-value (&whole form object slot-name new-value)
   (if (and (constantp slot-name)
-           (interned-symbol-p (eval slot-name)))
+           (interned-symbol-p (constant-form-value slot-name)))
       `(accessor-set-slot-value ,object ,slot-name ,new-value)
       form))
 
@@ -120,7 +120,7 @@
 
 (define-compiler-macro slot-boundp (&whole form object slot-name)
   (if (and (constantp slot-name)
-           (interned-symbol-p (eval slot-name)))
+           (interned-symbol-p (constant-form-value slot-name)))
       `(accessor-slot-boundp ,object ,slot-name)
       form))
 
@@ -318,7 +318,16 @@
          instance))
 
 (defmethod slot-unbound ((class t) instance slot-name)
-  (error 'unbound-slot :name slot-name :instance instance))
+  (restart-case
+      (error 'unbound-slot :name slot-name :instance instance)
+    (use-value (v)
+      :report "Return a value as the slot-value."
+      :interactive read-evaluated-form
+      v)
+    (store-value (v)
+      :report "Store and return a value as the slot-value."
+      :interactive read-evaluated-form
+      (setf (slot-value instance slot-name) v))))
 
 (defun slot-unbound-internal (instance position)
   (values