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Vl-scope-find-package

Look up a plain identifier to find a package in a scope.

Signature

(vl-scope-find-package name scope) → package

Arguments

name — Guard (stringp name).

scope — Guard (vl-scope-p scope).

Returns

package — Type (iff (vl-package-p package) package).

Definitions and Theorems

Function: vl-scope-find-package

(defun vl-scope-find-package (name scope)
  (declare (xargs :guard (and (stringp name)
                              (vl-scope-p scope))))
  (let ((__function__ 'vl-scope-find-package))
    (declare (ignorable __function__))
    (b* ((scope (vl-scope-fix scope)))
      (case (tag scope)
            (:vl-design (vl-design-scope-find-package name scope))
            (otherwise nil)))))

Theorem: return-type-of-vl-scope-find-package

(defthm return-type-of-vl-scope-find-package
  (b* ((package (vl-scope-find-package name scope)))
    (iff (vl-package-p package) package))
  :rule-classes :rewrite)

Theorem: vl-scope-find-package-of-str-fix-name

(defthm vl-scope-find-package-of-str-fix-name
  (equal (vl-scope-find-package (str-fix name)
                                scope)
         (vl-scope-find-package name scope)))

Theorem: vl-scope-find-package-streqv-congruence-on-name

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

Theorem: vl-scope-find-package-of-vl-scope-fix-scope

(defthm vl-scope-find-package-of-vl-scope-fix-scope
  (equal (vl-scope-find-package name (vl-scope-fix scope))
         (vl-scope-find-package name scope)))

Theorem: vl-scope-find-package-vl-scope-equiv-congruence-on-scope

(defthm vl-scope-find-package-vl-scope-equiv-congruence-on-scope
  (implies (vl-scope-equiv scope scope-equiv)
           (equal (vl-scope-find-package name scope)
                  (vl-scope-find-package name scope-equiv)))
  :rule-classes :congruence)