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Svstate

Svstate->blkst

Get the blkst field from a svstate.

Signature
(svstate->blkst x) → blkst
Arguments: x — Guard (svstate-p x).
Returns: blkst — Type (svstack-p blkst).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: svstate->blkst$inline

(defun svstate->blkst$inline (x)
  (declare (xargs :guard (svstate-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'svstate->blkst))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x))
              (blkst (svstack-fix (std::prod-car x)))
              (nonblkst (svex-alist-fix (std::prod-cdr x))))
           (svstack-nonempty-fix blkst))
         :exec (std::prod-car x))))

Theorem: svstack-p-of-svstate->blkst

(defthm svstack-p-of-svstate->blkst
  (b* ((blkst (svstate->blkst$inline x)))
    (svstack-p blkst))
  :rule-classes :rewrite)

Theorem: svstate->blkst$inline-of-svstate-fix-x

(defthm svstate->blkst$inline-of-svstate-fix-x
  (equal (svstate->blkst$inline (svstate-fix x))
         (svstate->blkst$inline x)))

Theorem: svstate->blkst$inline-svstate-equiv-congruence-on-x

(defthm svstate->blkst$inline-svstate-equiv-congruence-on-x
  (implies (svstate-equiv x x-equiv)
           (equal (svstate->blkst$inline x)
                  (svstate->blkst$inline x-equiv)))
  :rule-classes :congruence)