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• Split

Vl-modinst-split

Signature

(vl-modinst-split x delta) → (mv new-x delta)

Arguments

x — Guard (vl-modinst-p x).

delta — Guard (vl-delta-p delta).

Returns

new-x — Type (vl-modinst-p new-x), given the guard.

delta — Type (vl-delta-p delta), given the guard.

Definitions and Theorems

Function: vl-modinst-split

(defun vl-modinst-split (x delta)
  (declare (xargs :guard (and (vl-modinst-p x)
                              (vl-delta-p delta))))
  (let ((__function__ 'vl-modinst-split))
    (declare (ignorable __function__))
    (b* (((vl-modinst x) x)
         ((mv new-args delta)
          (vl-arguments-split x.portargs x delta))
         (x-prime (change-vl-modinst x
                                     :portargs new-args)))
      (mv x-prime delta))))

Theorem: vl-modinst-p-of-vl-modinst-split.new-x

(defthm vl-modinst-p-of-vl-modinst-split.new-x
  (implies (and (force (vl-modinst-p x))
                (force (vl-delta-p delta)))
           (b* (((mv ?new-x ?delta)
                 (vl-modinst-split x delta)))
             (vl-modinst-p new-x)))
  :rule-classes :rewrite)

Theorem: vl-delta-p-of-vl-modinst-split.delta

(defthm vl-delta-p-of-vl-modinst-split.delta
  (implies (and (force (vl-modinst-p x))
                (force (vl-delta-p delta)))
           (b* (((mv ?new-x ?delta)
                 (vl-modinst-split x delta)))
             (vl-delta-p delta)))
  :rule-classes :rewrite)