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Vl-vardecl

Vl-vardecl->varp

Get the varp field from a vl-vardecl.

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

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-vardecl->varp$inline

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

Theorem: booleanp-of-vl-vardecl->varp

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

Theorem: vl-vardecl->varp$inline-of-vl-vardecl-fix-x

(defthm vl-vardecl->varp$inline-of-vl-vardecl-fix-x
  (equal (vl-vardecl->varp$inline (vl-vardecl-fix x))
         (vl-vardecl->varp$inline x)))

Theorem: vl-vardecl->varp$inline-vl-vardecl-equiv-congruence-on-x

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