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Stripping-functions

Vl-namedarg-strip

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

Definitions and Theorems

Function: vl-namedarg-strip

(defun vl-namedarg-strip (x)
  (declare (xargs :guard (vl-namedarg-p x)))
  (let ((__function__ 'vl-namedarg-strip))
    (declare (ignorable __function__))
    (b* (((vl-namedarg x) (vl-namedarg-fix x)))
      (b* ((expr (vl-maybe-expr-strip x.expr))
           (atts ((lambda (x) (declare (ignore x)) nil)
                  x.atts)))
        (change-vl-namedarg x
                            :expr expr
                            :atts atts)))))

Theorem: vl-namedarg-p-of-vl-namedarg-strip

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

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

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

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

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