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• Range-tools

Vl-ss-find-range

Signature

(vl-ss-find-range name ss) → (mv successp maybe-range)

Arguments

name — Guard (stringp name).

ss — Guard (vl-scopestack-p ss).

Returns

maybe-range — Type (vl-maybe-range-p maybe-range).

Definitions and Theorems

Function: vl-ss-find-range

(defun vl-ss-find-range (name ss)
  (declare (xargs :guard (and (stringp name)
                              (vl-scopestack-p ss))))
  (let ((__function__ 'vl-ss-find-range))
    (declare (ignorable __function__))
    (b* ((find (vl-scopestack-find-item name ss))
         ((unless (and find (eq (tag find) :vl-vardecl)
                       (vl-simplevar-p find)))
          (mv nil nil)))
      (mv t (vl-simplevar->range find)))))

Theorem: vl-maybe-range-p-of-vl-ss-find-range.maybe-range

(defthm vl-maybe-range-p-of-vl-ss-find-range.maybe-range
  (b* (((mv ?successp ?maybe-range)
        (vl-ss-find-range name ss)))
    (vl-maybe-range-p maybe-range))
  :rule-classes :rewrite)

Theorem: vl-range-p-of-vl-ss-find-range

(defthm vl-range-p-of-vl-ss-find-range
  (b* (((mv ?successp ?maybe-range)
        (vl-ss-find-range name ss)))
    (iff (vl-range-p maybe-range)
         maybe-range))
  :rule-classes :rewrite)

Theorem: vl-ss-find-range-of-str-fix-name

(defthm vl-ss-find-range-of-str-fix-name
  (equal (vl-ss-find-range (str-fix name) ss)
         (vl-ss-find-range name ss)))

Theorem: vl-ss-find-range-streqv-congruence-on-name

(defthm vl-ss-find-range-streqv-congruence-on-name
  (implies (streqv name name-equiv)
           (equal (vl-ss-find-range name ss)
                  (vl-ss-find-range name-equiv ss)))
  :rule-classes :congruence)

Theorem: vl-ss-find-range-of-vl-scopestack-fix-ss

(defthm vl-ss-find-range-of-vl-scopestack-fix-ss
  (equal (vl-ss-find-range name (vl-scopestack-fix ss))
         (vl-ss-find-range name ss)))

Theorem: vl-ss-find-range-vl-scopestack-equiv-congruence-on-ss

(defthm vl-ss-find-range-vl-scopestack-equiv-congruence-on-ss
  (implies (vl-scopestack-equiv ss ss-equiv)
           (equal (vl-ss-find-range name ss)
                  (vl-ss-find-range name ss-equiv)))
  :rule-classes :congruence)