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Svexlist-variable-mask-alist

Signature
(svexlist-variable-mask-alist x) → varmasks
Arguments: x — Guard (svexlist-p x).
Returns: varmasks — Type (svex-mask-alist-p varmasks).

Definitions and Theorems

Function: svexlist-variable-mask-alist

(defun svexlist-variable-mask-alist (x)
  (declare (xargs :guard (svexlist-p x)))
  (let ((__function__ 'svexlist-variable-mask-alist))
    (declare (ignorable __function__))
    (b* ((masks-full (svexlist-mask-alist-memo x)))
      (svex-mask-alist-extract-vars masks-full))))

Theorem: svex-mask-alist-p-of-svexlist-variable-mask-alist

(defthm svex-mask-alist-p-of-svexlist-variable-mask-alist
  (b* ((varmasks (svexlist-variable-mask-alist x)))
    (svex-mask-alist-p varmasks))
  :rule-classes :rewrite)

Theorem: svexlist-variable-mask-alist-of-svexlist-fix-x

(defthm svexlist-variable-mask-alist-of-svexlist-fix-x
  (equal (svexlist-variable-mask-alist (svexlist-fix x))
         (svexlist-variable-mask-alist x)))

Theorem: svexlist-variable-mask-alist-svexlist-equiv-congruence-on-x

(defthm svexlist-variable-mask-alist-svexlist-equiv-congruence-on-x
  (implies (svexlist-equiv x x-equiv)
           (equal (svexlist-variable-mask-alist x)
                  (svexlist-variable-mask-alist x-equiv)))
  :rule-classes :congruence)