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• Vl-description

Vl-description->name

Get the name from most descriptions, or nil if this description doesn't introduce a name (e.g., an import statement.

Signature

(vl-description->name x) → name

Arguments

x — Guard (vl-description-p x).

Returns

name — Type (maybe-stringp name).

Definitions and Theorems

Function: vl-description->name

(defun vl-description->name (x)
  (declare (xargs :guard (vl-description-p x)))
  (let ((__function__ 'vl-description->name))
    (declare (ignorable __function__))
    (b* ((x (vl-description-fix x)))
      (case (tag x)
            (:vl-module (vl-module->name x))
            (:vl-udp (vl-udp->name x))
            (:vl-interface (vl-interface->name x))
            (:vl-package (vl-package->name x))
            (:vl-program (vl-program->name x))
            (:vl-config (vl-config->name x))
            (:vl-taskdecl (vl-taskdecl->name x))
            (:vl-fundecl (vl-fundecl->name x))
            (:vl-paramdecl (vl-paramdecl->name x))
            (:vl-import nil)
            (:vl-fwdtypedef nil)
            (:vl-typedef (vl-typedef->name x))
            (otherwise (impossible))))))

Theorem: maybe-stringp-of-vl-description->name

(defthm maybe-stringp-of-vl-description->name
  (b* ((name (vl-description->name x)))
    (maybe-stringp name))
  :rule-classes :type-prescription)

Theorem: vl-description->name-of-vl-description-fix-x

(defthm vl-description->name-of-vl-description-fix-x
  (equal (vl-description->name (vl-description-fix x))
         (vl-description->name x)))

Theorem: vl-description->name-vl-description-equiv-congruence-on-x

(defthm vl-description->name-vl-description-equiv-congruence-on-x
  (implies (vl-description-equiv x x-equiv)
           (equal (vl-description->name x)
                  (vl-description->name x-equiv)))
  :rule-classes :congruence)