LispWorks Delivery User Guide > 5 Keywords to the Delivery Function > 5.2 Alphabetical list of deliver keywords

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:keep-clos-object-printing

Keyword

Default value:

(or (delivery-value :keep-debug-mode)
    (<= *delivery-level* 2)) 

If nil , the generic function print-object is redefined to be the ordinary function x-print-object :

(defun x-print-object (object stream)
  (t-print-object object stream))
(defun t-print-object (object stream)
  (print-unreadable-object (object stream :identity t)
    (if (and (fboundp 'find-class)
             (find-class 'undefined-function nil)
             (ignore-errors
               (typep object 'undefined-function)))
        (progn
          (write-string "Undefined function " stream)
          (prin1 (cell-error-name object) stream))
      (progn
        (princ (or (ignore-errors (type-of object))
                   "<Unknown type>")
               stream)
        (ignore-errors
          (when-let (namer (find-symbol "NAME" "CLOS"))
            (when-let (name (and (slot-exists-p object namer)
                                 (slot-boundp object namer)
                                 (slot-value object namer)))
              (format stream " ~a" name))))))))

You may redefine x-print-object .

Affected by: :keep-debug-mode


LispWorks Delivery User Guide - 22 Dec 2009

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