		Search-engine friendly clone of the ACL2 documentation.

Vl-define

Vl-define-p

Recognizer for vl-define structures.

Signature
(vl-define-p x) → *

Definitions and Theorems

Function: vl-define-p

(defun vl-define-p (x)
 (declare (xargs :guard t))
 (let ((__function__ 'vl-define-p))
  (declare (ignorable __function__))
  (and
      (mbe :logic (and (alistp x)
                       (equal (strip-cars x)
                              '(name formals body loc)))
           :exec (fty::alist-with-carsp x '(name formals body loc)))
      (b* ((name (cdr (std::da-nth 0 x)))
           (formals (cdr (std::da-nth 1 x)))
           (body (cdr (std::da-nth 2 x)))
           (loc (cdr (std::da-nth 3 x))))
        (and (stringp name)
             (vl-define-formallist-p formals)
             (stringp body)
             (vl-location-p loc))))))

Theorem: consp-when-vl-define-p

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