X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fdefstruct.lisp;h=338c09a991ce59d85dc801d306260a0120465093;hb=102b7c83b326855e16c3bc3ce4fa60c6d7aaba85;hp=a3dbf1e2a48aa384d168e11aa5b77706a4b5306e;hpb=60702dcb5f09605c1728397a8961388386bcac70;p=sbcl.git

diff --git a/src/code/defstruct.lisp b/src/code/defstruct.lisp
index a3dbf1e..338c09a 100644
--- a/src/code/defstruct.lisp
+++ b/src/code/defstruct.lisp
@@ -933,9 +933,14 @@
 
 ;;; Return a LAMBDA form which can be used to set a slot.
 (defun slot-setter-lambda-form (dd dsd)
-  `(lambda (new-value instance)
-     ,(funcall (nth-value 1 (slot-accessor-transforms dd dsd))
-               '(dummy new-value instance))))
+  ;; KLUDGE: Evaluating the results of SLOT-ACCESSOR-TRANSFORMS needs
+  ;; a lexenv.
+  (let ((sb!c:*lexenv* (if (boundp 'sb!c:*lexenv*)
+                           sb!c:*lexenv*
+                           (sb!c::make-null-lexenv))))
+    `(lambda (new-value instance)
+       ,(funcall (nth-value 1 (slot-accessor-transforms dd dsd))
+                 '(dummy new-value instance)))))
 
 ;;; core compile-time setup of any class with a LAYOUT, used even by
 ;;; !DEFSTRUCT-WITH-ALTERNATE-METACLASS weirdosities
@@ -1029,6 +1034,7 @@
       (let* ((accessor-name (dsd-accessor-name dsd))
              (dsd-type (dsd-type dsd)))
         (when accessor-name
+          (setf (info :function :structure-accessor accessor-name) dd)
           (let ((inherited (accessor-inherited-data accessor-name dd)))
             (cond
               ((not inherited)
@@ -1725,4 +1731,12 @@
          (inherits (inherits-for-structure dd)))
     (%compiler-defstruct dd inherits)))
 
+;;; finding these beasts
+(defun find-defstruct-description (name &optional (errorp t))
+  (let ((info (layout-info (classoid-layout (find-classoid name errorp)))))
+    (if (defstruct-description-p info)
+        info
+        (when errorp
+          (error "No DEFSTRUCT-DESCRIPTION for ~S." name)))))
+
 (/show0 "code/defstruct.lisp end of file")