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Vl-paramargs

Vl-paramargs-p

Recognizer for vl-paramargs structures.

Signature
(vl-paramargs-p x) → *

Definitions and Theorems

Function: vl-paramargs-p

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

Theorem: consp-when-vl-paramargs-p

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