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Vl-location

Vl-location-p

Recognizer for vl-location structures.

Signature
(vl-location-p x) → *

Definitions and Theorems

Function: vl-location-p

(defun vl-location-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'vl-location-p))
    (declare (ignorable __function__))
    (and (consp x)
         (eq (car x) :vl-location)
         (std::prod-consp (cdr x))
         (std::prod-consp (std::prod-cdr (cdr x)))
         (b* ((filename (std::prod-car (cdr x)))
              (line (std::prod-car (std::prod-cdr (cdr x))))
              (col (std::prod-cdr (std::prod-cdr (cdr x)))))
           (and (stringp filename)
                (posp line)
                (natp col))))))

Theorem: consp-when-vl-location-p

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