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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)