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• Scopestack

Vl-scope-find-class

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

Signature

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

Arguments

name — Guard (stringp name).

scope — Guard (vl-scope-p scope).

Returns

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

Definitions and Theorems

Function: vl-scope-find-class

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

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

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

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

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

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

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

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

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

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

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