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• Sv::vl-expr.lisp

Vl-keyval-member-lookup

Signature

(vl-keyval-member-lookup name x) → ans

Arguments

name — Guard (stringp name).

x — Guard (vl-keyvallist-p x).

Returns

ans — Type (implies ans (vl-expr-p ans)).

Definitions and Theorems

Function: vl-keyval-member-lookup

(defun vl-keyval-member-lookup (name x)
  (declare (xargs :guard (and (stringp name)
                              (vl-keyvallist-p x))))
  (let ((__function__ 'vl-keyval-member-lookup))
    (declare (ignorable __function__))
    (b* ((x (vl-keyvallist-fix x))
         ((when (atom x)) nil)
         (key (caar x))
         ((when (vl-patternkey-case
                     key
                     :structmem (equal key.name (string-fix name))
                     :otherwise nil))
          (cdar x)))
      (vl-keyval-member-lookup name (cdr x)))))

Theorem: return-type-of-vl-keyval-member-lookup

(defthm return-type-of-vl-keyval-member-lookup
  (b* ((ans (vl-keyval-member-lookup name x)))
    (implies ans (vl-expr-p ans)))
  :rule-classes :rewrite)

Theorem: vl-expr-count-of-vl-keyval-member-lookup

(defthm vl-expr-count-of-vl-keyval-member-lookup
  (b* ((?ans (vl-keyval-member-lookup name x)))
    (implies ans
             (< (vl-expr-count ans)
                (vl-keyvallist-count x))))
  :rule-classes :linear)

Theorem: vl-keyval-member-lookup-of-str-fix-name

(defthm vl-keyval-member-lookup-of-str-fix-name
  (equal (vl-keyval-member-lookup (str-fix name)
                                  x)
         (vl-keyval-member-lookup name x)))

Theorem: vl-keyval-member-lookup-streqv-congruence-on-name

(defthm vl-keyval-member-lookup-streqv-congruence-on-name
  (implies (streqv name name-equiv)
           (equal (vl-keyval-member-lookup name x)
                  (vl-keyval-member-lookup name-equiv x)))
  :rule-classes :congruence)

Theorem: vl-keyval-member-lookup-of-vl-keyvallist-fix-x

(defthm vl-keyval-member-lookup-of-vl-keyvallist-fix-x
  (equal (vl-keyval-member-lookup name (vl-keyvallist-fix x))
         (vl-keyval-member-lookup name x)))

Theorem: vl-keyval-member-lookup-vl-keyvallist-equiv-congruence-on-x

(defthm vl-keyval-member-lookup-vl-keyvallist-equiv-congruence-on-x
  (implies (vl-keyvallist-equiv x x-equiv)
           (equal (vl-keyval-member-lookup name x)
                  (vl-keyval-member-lookup name x-equiv)))
  :rule-classes :congruence)