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Vl-class

Vl-class->virtualp

Get the virtualp field from a vl-class.

Signature
(vl-class->virtualp x) → virtualp
Arguments: x — Guard (vl-class-p x).
Returns: virtualp — Type (booleanp virtualp).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-class->virtualp$inline

(defun vl-class->virtualp$inline (x)
 (declare (xargs :guard (vl-class-p x)))
 (declare (xargs :guard t))
 (let ((__function__ 'vl-class->virtualp))
  (declare (ignorable __function__))
  (mbe
   :logic
   (b* ((x (and t x)))
    (acl2::bool-fix
     (std::prod-cdr
          (std::prod-cdr (std::prod-cdr (std::prod-car (cdr x)))))))
   :exec
   (std::prod-cdr
        (std::prod-cdr (std::prod-cdr (std::prod-car (cdr x))))))))

Theorem: booleanp-of-vl-class->virtualp

(defthm booleanp-of-vl-class->virtualp
  (b* ((virtualp (vl-class->virtualp$inline x)))
    (booleanp virtualp))
  :rule-classes :type-prescription)

Theorem: vl-class->virtualp$inline-of-vl-class-fix-x

(defthm vl-class->virtualp$inline-of-vl-class-fix-x
  (equal (vl-class->virtualp$inline (vl-class-fix x))
         (vl-class->virtualp$inline x)))

Theorem: vl-class->virtualp$inline-vl-class-equiv-congruence-on-x

(defthm vl-class->virtualp$inline-vl-class-equiv-congruence-on-x
  (implies (vl-class-equiv x x-equiv)
           (equal (vl-class->virtualp$inline x)
                  (vl-class->virtualp$inline x-equiv)))
  :rule-classes :congruence)