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Vcd-wire

Vcd-wire-p

Recognizer for vcd-wire structures.

Signature
(vcd-wire-p x) → *

Definitions and Theorems

Function: vcd-wire-p

(defun vcd-wire-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'vcd-wire-p))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x)
                                 '(name msb lsb code)))
              :exec (fty::alist-with-carsp x '(name msb lsb code)))
         (b* ((name (cdr (std::da-nth 0 x)))
              (msb (cdr (std::da-nth 1 x)))
              (lsb (cdr (std::da-nth 2 x)))
              (code (cdr (std::da-nth 3 x))))
           (and (stringp name)
                (integerp msb)
                (integerp lsb)
                (stringp code))))))

Theorem: consp-when-vcd-wire-p

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