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Stripping-functions

Vl-portdecl-strip

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

Definitions and Theorems

Function: vl-portdecl-strip

(defun vl-portdecl-strip (x)
  (declare (xargs :guard (vl-portdecl-p x)))
  (let ((__function__ 'vl-portdecl-strip))
    (declare (ignorable __function__))
    (b* (((vl-portdecl x) (vl-portdecl-fix x)))
      (b* ((loc ((lambda (x)
                   (declare (ignore x))
                   *vl-fakeloc*)
                 x.loc))
           (type (vl-datatype-strip x.type))
           (default (vl-maybe-expr-strip x.default))
           (atts ((lambda (x) (declare (ignore x)) nil)
                  x.atts)))
        (change-vl-portdecl x
                            :loc loc
                            :type type
                            :default default
                            :atts atts)))))

Theorem: vl-portdecl-p-of-vl-portdecl-strip

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

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

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

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

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