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Stripping-functions

Vl-rhs-strip

Signature
(vl-rhs-strip x) → new-x
Arguments: x — Guard (vl-rhs-p x).
Returns: new-x — Type (vl-rhs-p new-x).

Definitions and Theorems

Function: vl-rhs-strip

(defun vl-rhs-strip (x)
  (declare (xargs :guard (vl-rhs-p x)))
  (let ((__function__ 'vl-rhs-strip))
    (declare (ignorable __function__))
    (vl-rhs-case x :vl-rhsexpr
                 (b* ((guts (vl-expr-strip x.guts)))
                   (change-vl-rhsexpr x :guts guts))
                 :vl-rhsnew
                 (b* ((arrsize (vl-maybe-expr-strip x.arrsize))
                      (args (vl-exprlist-strip x.args)))
                   (change-vl-rhsnew x
                                     :arrsize arrsize
                                     :args args)))))

Theorem: vl-rhs-p-of-vl-rhs-strip

(defthm vl-rhs-p-of-vl-rhs-strip
  (b* ((new-x (vl-rhs-strip x)))
    (vl-rhs-p new-x))
  :rule-classes :rewrite)

Theorem: vl-rhs-strip-of-vl-rhs-fix-x

(defthm vl-rhs-strip-of-vl-rhs-fix-x
  (equal (vl-rhs-strip (vl-rhs-fix x))
         (vl-rhs-strip x)))

Theorem: vl-rhs-strip-vl-rhs-equiv-congruence-on-x

(defthm vl-rhs-strip-vl-rhs-equiv-congruence-on-x
  (implies (vl-rhs-equiv x x-equiv)
           (equal (vl-rhs-strip x)
                  (vl-rhs-strip x-equiv)))
  :rule-classes :congruence)