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• Finding-by-name
• Vl-genelementlist-p

Vl-find-genelement

Naive, O(n) lookup of a vl-genelement in a list by its name.

Signature

(vl-find-genelement name x) → genelement?

Arguments

name — Guard (stringp name).

x — Guard (vl-genelementlist-p x).

Returns

genelement? — Type (iff (vl-genelement-p genelement?) genelement?).

Definitions and Theorems

Function: vl-find-genelement

(defun vl-find-genelement (name x)
  (declare (xargs :guard (and (stringp name)
                              (vl-genelementlist-p x))))
  (let ((__function__ 'vl-find-genelement))
    (declare (ignorable __function__))
    (cond ((atom x) nil)
          ((equal (string-fix name)
                  (vl-genelement->blockname (car x)))
           (vl-genelement-fix (car x)))
          (t (vl-find-genelement name (cdr x))))))

Theorem: return-type-of-vl-find-genelement

(defthm return-type-of-vl-find-genelement
  (b* ((genelement? (vl-find-genelement name x)))
    (iff (vl-genelement-p genelement?)
         genelement?))
  :rule-classes :rewrite)

Theorem: vl-find-genelement-under-iff

(defthm vl-find-genelement-under-iff
  (iff (vl-find-genelement name x)
       (member-equal (string-fix name)
                     (vl-genelementlist->blocknames x))))

Theorem: vl-genelement->blockname-of-vl-find-genelement

(defthm vl-genelement->blockname-of-vl-find-genelement
  (implies
       (vl-find-genelement name x)
       (equal (vl-genelement->blockname (vl-find-genelement name x))
              (string-fix name))))

Theorem: member-equal-of-vl-find-genelement

(defthm member-equal-of-vl-find-genelement
  (implies (force (vl-genelementlist-p x))
           (iff (member-equal (vl-find-genelement name x)
                              x)
                (vl-find-genelement name x))))

Theorem: consp-of-vl-find-genelement-when-member-equal

(defthm consp-of-vl-find-genelement-when-member-equal
 (implies (and (member-equal name (vl-genelementlist->blocknames x))
               (force (stringp name)))
          (consp (vl-find-genelement name x))))

Theorem: vl-find-genelement-of-str-fix-name

(defthm vl-find-genelement-of-str-fix-name
  (equal (vl-find-genelement (str-fix name) x)
         (vl-find-genelement name x)))

Theorem: vl-find-genelement-streqv-congruence-on-name

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

Theorem: vl-find-genelement-of-vl-genelementlist-fix-x

(defthm vl-find-genelement-of-vl-genelementlist-fix-x
  (equal (vl-find-genelement name (vl-genelementlist-fix x))
         (vl-find-genelement name x)))

Theorem: vl-find-genelement-vl-genelementlist-equiv-congruence-on-x

(defthm vl-find-genelement-vl-genelementlist-equiv-congruence-on-x
  (implies (vl-genelementlist-equiv x x-equiv)
           (equal (vl-find-genelement name x)
                  (vl-find-genelement name x-equiv)))
  :rule-classes :congruence)