;;; READ-EVALUATED-FORM is used as the interactive method for restart cases
;;; setup by the Common Lisp "casing" (e.g., CCASE and CTYPECASE) macros
;;; and by CHECK-TYPE.
-(defun read-evaluated-form ()
- (format *query-io* "~&Type a form to be evaluated:~%")
+(defun read-evaluated-form (&optional (prompt-control nil promptp)
+ &rest prompt-args)
+ (apply #'format *query-io*
+ (if promptp prompt-control "~&Type a form to be evaluated: ")
+ prompt-args)
+ (finish-output *query-io*)
(list (eval (read *query-io*))))
(defun check-type-error (place place-value type type-string)
:interactive read-evaluated-form
value))))
+(defun case-failure (name value keys)
+ (error 'case-failure
+ :name name
+ :datum value
+ :expected-type (if (eq name 'ecase)
+ `(member ,@keys)
+ `(or ,@keys))
+ :possibilities keys))
+
(defun case-body-error (name keyform keyform-value expected-type keys)
(restart-case
(error 'case-failure