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Vl-arguments

Vl-arguments-p

Recognizer for vl-arguments structures.

Signature
(vl-arguments-p x) → *

Definitions and Theorems

Function: vl-arguments-p

(defun vl-arguments-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'vl-arguments-p))
    (declare (ignorable __function__))
    (and (consp x)
         (cond ((or (atom x)
                    (eq (car x) :vl-arguments-plain))
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 1)
                     (b* ((args (std::da-nth 0 (cdr x))))
                       (vl-plainarglist-p args))))
               (t (and (eq (car x) :vl-arguments-named)
                       (and (true-listp (cdr x))
                            (eql (len (cdr x)) 2))
                       (b* ((args (std::da-nth 0 (cdr x)))
                            (starp (std::da-nth 1 (cdr x))))
                         (and (vl-namedarglist-p args)
                              (booleanp starp)))))))))

Theorem: consp-when-vl-arguments-p

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

Subtopics

Vl-plainarg: Representation of a single argument in a plain argument list.
Vl-plainarglist: A list of vl-plainarg-p objects.
Vl-plainarglistlist: A list of vl-plainarglist-p objects.