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Vl-tname

Vl-tname-p

Recognizer for vl-tname structures.

Signature
(vl-tname-p x) → *

Definitions and Theorems

Function: vl-tname-p

(defun vl-tname-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'vl-tname-p))
    (declare (ignorable __function__))
    (and (consp x)
         (eq (car x) :vl-tname)
         (mbe :logic (and (alistp (cdr x))
                          (equal (strip-cars (cdr x))
                                 '(base model)))
              :exec (fty::alist-with-carsp (cdr x)
                                           '(base model)))
         (b* ((base (cdr (std::da-nth 0 (cdr x))))
              (model (cdr (std::da-nth 1 (cdr x)))))
           (and (stringp base) (stringp model))))))

Theorem: consp-when-vl-tname-p

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