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Scratchobj

Scratchobj-p

Recognizer for scratchobj structures.

Signature
(scratchobj-p x) → *

Definitions and Theorems

Function: scratchobj-p

(defun scratchobj-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'scratchobj-p))
    (declare (ignorable __function__))
    (and (consp x)
         (cond ((or (atom x) (eq (car x) :fgl-obj))
                (and (b* ((val (cdr x)))
                       (fgl-object-p val))))
               ((eq (car x) :fgl-objlist)
                (and (b* ((val (cdr x)))
                       (fgl-objectlist-p val))))
               ((eq (car x) :bfr)
                (and (b* ((?val (cdr x))) t)))
               ((eq (car x) :bfrlist)
                (and (b* ((val (cdr x))) (true-listp val))))
               ((eq (car x) :cinst)
                (and (b* ((val (cdr x)))
                       (constraint-instance-p val))))
               (t (and (eq (car x) :cinstlist)
                       (and)
                       (b* ((val (cdr x)))
                         (constraint-instancelist-p val))))))))

Theorem: consp-when-scratchobj-p

(defthm consp-when-scratchobj-p
  (implies (scratchobj-p x) (consp x))
  :rule-classes :compound-recognizer)