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Stripping-functions

Vl-propspec-strip

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

Definitions and Theorems

Function: vl-propspec-strip

(defun vl-propspec-strip (x)
  (declare (xargs :guard (vl-propspec-p x)))
  (let ((__function__ 'vl-propspec-strip))
    (declare (ignorable __function__))
    (b* (((vl-propspec x) (vl-propspec-fix x)))
      (b* ((evatoms (vl-evatomlist-strip x.evatoms))
           (disable (vl-maybe-exprdist-strip x.disable))
           (prop (vl-propexpr-strip x.prop))
           (loc ((lambda (x)
                   (declare (ignore x))
                   *vl-fakeloc*)
                 x.loc)))
        (change-vl-propspec x
                            :evatoms evatoms
                            :disable disable
                            :prop prop
                            :loc loc)))))

Theorem: vl-propspec-p-of-vl-propspec-strip

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

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

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

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

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