+
+
+;; Tell INFO about the generic function's methods' keys so that the
+;; compiler doesn't complain that the keys defined for some method are
+;; unrecognized.
+(sb-ext:without-package-locks
+ (defun sb-c::maybe-update-info-for-gf (name)
+ (let ((gf (if (fboundp name) (fdefinition name))))
+ (when (and gf (generic-function-p gf) (not (early-gf-p gf))
+ (not (eq :declared (info :function :where-from name)))
+ (gf-info-needs-update gf))
+ (let* ((methods (generic-function-methods gf))
+ (gf-lambda-list (generic-function-lambda-list gf))
+ (tfun (constantly t))
+ keysp)
+ (multiple-value-bind (gf.required gf.optional gf.restp gf.rest
+ gf.keyp gf.keys gf.allowp)
+ (parse-lambda-list gf-lambda-list)
+ (declare (ignore gf.rest))
+ ;; 7.6.4 point 5 probably entails that if any method says
+ ;; &allow-other-keys then the gf should be construed to
+ ;; accept any key.
+ (let* ((allowp (or gf.allowp
+ (find '&allow-other-keys methods
+ :test #'find
+ :key #'method-lambda-list)))
+ (ftype
+ (specifier-type
+ `(function
+ (,@(mapcar tfun gf.required)
+ ,@(if gf.optional
+ `(&optional ,@(mapcar tfun gf.optional)))
+ ,@(if gf.restp
+ `(&rest t))
+ ,@(when gf.keyp
+ (let ((all-keys
+ (mapcar
+ (lambda (x)
+ (list x t))
+ (remove-duplicates
+ (nconc
+ (mapcan #'function-keywords methods)
+ (mapcar #'keyword-spec-name gf.keys))))))
+ (when all-keys
+ (setq keysp t)
+ `(&key ,@all-keys))))
+ ,@(when (and (not keysp) allowp)
+ `(&key))
+ ,@(when allowp
+ `(&allow-other-keys)))
+ *))))
+ (setf (info :function :type name) ftype
+ (info :function :where-from name) :defined-method
+ (gf-info-needs-update gf) nil)
+ ftype)))))))