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• Split

Vl-arguments-split

Signature

(vl-arguments-split x elem delta) → (mv new-x delta)

Arguments

x — Guard (vl-arguments-p x).

elem — Guard (vl-modelement-p elem).

delta — Guard (vl-delta-p delta).

Returns

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

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

Definitions and Theorems

Function: vl-arguments-split

(defun vl-arguments-split (x elem delta)
 (declare (xargs :guard (and (vl-arguments-p x)
                             (vl-modelement-p elem)
                             (vl-delta-p delta))))
 (let ((__function__ 'vl-arguments-split))
  (declare (ignorable __function__))
  (b*
   (((when (eq (vl-arguments-kind x)
               :vl-arguments-named))
     (mv
      x
      (dwarn
       :type :vl-bad-arguments
       :msg
       "~a0: expected to only encounter plain arguments, ~
                           but found a named argument list.  Not actually ~
                           splitting anything."
       :args (list elem)
       :fatalp t
       :fn 'vl-arguments-split)))
    ((mv new-args delta)
     (vl-plainarglist-split (vl-arguments-plain->args x)
                            elem delta))
    (x-prime (change-vl-arguments-plain x
                                        :args new-args)))
   (mv x-prime delta))))

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

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

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

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