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Vl-range

Vl-range-p

Recognizer for vl-range structures.

Signature
(vl-range-p x) → *

Definitions and Theorems

Function: vl-range-p

(defun vl-range-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'vl-range-p))
    (declare (ignorable __function__))
    (and (consp x)
         (eq (car x) :vl-range)
         (std::prod-consp (cdr x))
         (b* ((msb (std::prod-car (cdr x)))
              (lsb (std::prod-cdr (cdr x))))
           (and (vl-expr-p msb)
                (vl-expr-p lsb))))))

Theorem: consp-when-vl-range-p

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

Subtopics

Vl-maybe-range: Option type; vl-range or nil.