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• Vl-defines-p

Vl-find-define

Look up a definition in the defines list.

Signature

(vl-find-define name x) → guts

Arguments

name — Guard (stringp name).

x — Guard (vl-defines-p x).

Returns

guts — Type (iff (vl-define-p guts) guts).

Definitions and Theorems

Function: vl-find-define

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

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

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

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

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

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

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

Theorem: vl-find-define-of-vl-defines-fix-x

(defthm vl-find-define-of-vl-defines-fix-x
        (equal (vl-find-define name (vl-defines-fix x))
               (vl-find-define name x)))

Theorem: vl-find-define-vl-defines-equiv-congruence-on-x

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