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Vl-add-lost-interface-warning

Signature

(vl-add-lost-interface-warning x) → new-x

Arguments

x — Guard (vl-interface-p x).

Returns

new-x — Type (vl-interface-p new-x).

Definitions and Theorems

Function: vl-add-lost-interface-warning

(defun vl-add-lost-interface-warning (x)
 (declare (xargs :guard (vl-interface-p x)))
 (let ((__function__ 'vl-add-lost-interface-warning))
  (declare (ignorable __function__))
  (b*
   (((vl-interface x))
    (warnings x.warnings)
    (warnings
     (fatal
      :type :vl-unreachable-interface
      :msg
      "After elaboration ~s0 became unreachable. This ~
                              is typically due to errors in the modules that ~
                              instantiate it.  We will keep the ~
                              pre-elaboration version of this interface, but ~
                              beware: this may not be entirely sensible."
      :args (list x.name))))
   (change-vl-interface x
                        :warnings warnings))))

Theorem: vl-interface-p-of-vl-add-lost-interface-warning

(defthm vl-interface-p-of-vl-add-lost-interface-warning
  (b* ((new-x (vl-add-lost-interface-warning x)))
    (vl-interface-p new-x))
  :rule-classes :rewrite)

Theorem: vl-add-lost-interface-warning-of-vl-interface-fix-x

(defthm vl-add-lost-interface-warning-of-vl-interface-fix-x
  (equal (vl-add-lost-interface-warning (vl-interface-fix x))
         (vl-add-lost-interface-warning x)))

Theorem: vl-add-lost-interface-warning-vl-interface-equiv-congruence-on-x

(defthm
   vl-add-lost-interface-warning-vl-interface-equiv-congruence-on-x
  (implies (vl-interface-equiv x x-equiv)
           (equal (vl-add-lost-interface-warning x)
                  (vl-add-lost-interface-warning x-equiv)))
  :rule-classes :congruence)