		Search-engine friendly clone of the ACL2 documentation.

Scopestack

Vl-scope->scopetype

Signature
(vl-scope->scopetype x) → type
Arguments: x — Guard (vl-scope-p x).
Returns: type — Type (vl-scopetype-p type).

Definitions and Theorems

Function: vl-scope->scopetype

(defun vl-scope->scopetype (x)
       (declare (xargs :guard (vl-scope-p x)))
       (let ((__function__ 'vl-scope->scopetype))
            (declare (ignorable __function__))
            (b* ((x (vl-scope-fix x)) (tag (tag x)))
                (case tag
                      (:vl-genblob (vl-genblob->scopetype x))
                      (:vl-blockscope (vl-blockscope->scopetype x))
                      (:vl-scopeinfo (vl-scopeinfo->scopetype x))
                      (otherwise tag)))))

Theorem: vl-scopetype-p-of-vl-scope->scopetype

(defthm vl-scopetype-p-of-vl-scope->scopetype
        (b* ((type (vl-scope->scopetype x)))
            (vl-scopetype-p type))
        :rule-classes :rewrite)

Theorem: vl-scope->scopetype-of-vl-scope-fix-x

(defthm vl-scope->scopetype-of-vl-scope-fix-x
        (equal (vl-scope->scopetype (vl-scope-fix x))
               (vl-scope->scopetype x)))

Theorem: vl-scope->scopetype-vl-scope-equiv-congruence-on-x

(defthm vl-scope->scopetype-vl-scope-equiv-congruence-on-x
        (implies (vl-scope-equiv x x-equiv)
                 (equal (vl-scope->scopetype x)
                        (vl-scope->scopetype x-equiv)))
        :rule-classes :congruence)