		Search-engine friendly clone of the ACL2 documentation.

Shadowcheck

Vl-shadowcheck-pop-scope

Signature
(vl-shadowcheck-pop-scope st) → st
Arguments: st — Guard (vl-shadowcheck-state-p st).
Returns: st — Type (vl-shadowcheck-state-p st).

Definitions and Theorems

Function: vl-shadowcheck-pop-scope

(defun vl-shadowcheck-pop-scope (st)
  (declare (xargs :guard (vl-shadowcheck-state-p st)))
  (let ((__function__ 'vl-shadowcheck-pop-scope))
    (declare (ignorable __function__))
    (b* (((vl-shadowcheck-state st)))
      (change-vl-shadowcheck-state
           st
           :lexscopes (vl-lexscopes-exit-scope st.lexscopes)
           :ss (vl-scopestack-pop st.ss)))))

Theorem: vl-shadowcheck-state-p-of-vl-shadowcheck-pop-scope

(defthm vl-shadowcheck-state-p-of-vl-shadowcheck-pop-scope
  (b* ((st (vl-shadowcheck-pop-scope st)))
    (vl-shadowcheck-state-p st))
  :rule-classes :rewrite)

Theorem: vl-shadowcheck-pop-scope-of-vl-shadowcheck-state-fix-st

(defthm vl-shadowcheck-pop-scope-of-vl-shadowcheck-state-fix-st
  (equal (vl-shadowcheck-pop-scope (vl-shadowcheck-state-fix st))
         (vl-shadowcheck-pop-scope st)))

Theorem: vl-shadowcheck-pop-scope-vl-shadowcheck-state-equiv-congruence-on-st

(defthm
 vl-shadowcheck-pop-scope-vl-shadowcheck-state-equiv-congruence-on-st
 (implies (vl-shadowcheck-state-equiv st st-equiv)
          (equal (vl-shadowcheck-pop-scope st)
                 (vl-shadowcheck-pop-scope st-equiv)))
 :rule-classes :congruence)