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• Portcheck

Vl-module-portcheck

Signature

(vl-module-portcheck x) → new-x

Arguments

x — Guard (vl-module-p x).

Returns

new-x — New version of x, with at most some added warnings.
    Type (vl-module-p new-x).

Definitions and Theorems

Function: vl-module-portcheck

(defun vl-module-portcheck (x)
 (declare (xargs :guard (vl-module-p x)))
 (let ((__function__ 'vl-module-portcheck))
  (declare (ignorable __function__))
  (b*
   (((vl-module x) x)
    (bad-warnings (vl-portlist-check-wellformed x.ports))
    ((when bad-warnings)
     (change-vl-module x
                       :warnings (append bad-warnings x.warnings)))
    (warnings x.warnings)
    (warnings (vl-portlist-check-style x.ports warnings))
    (decl-names (mergesort (vl-portdecllist->names x.portdecls)))
    (port-names (mergesort (vl-portlist->internalnames x.ports)))
    (warnings
         (if (subset decl-names port-names)
             warnings
           (fatal :type :vl-port-mismatch
                  :msg "Port declarations for non-ports: ~&0."
                  :args (list (difference decl-names port-names)))))
    (warnings
        (if (subset port-names decl-names)
            warnings
          (fatal :type :vl-port-mismatch
                 :msg "Missing port declarations for ~&0."
                 :args (list (difference port-names decl-names))))))
   (change-vl-module x
                     :warnings warnings))))

Theorem: vl-module-p-of-vl-module-portcheck

(defthm vl-module-p-of-vl-module-portcheck
  (b* ((new-x (vl-module-portcheck x)))
    (vl-module-p new-x))
  :rule-classes :rewrite)

Theorem: vl-module-portcheck-of-vl-module-fix-x

(defthm vl-module-portcheck-of-vl-module-fix-x
  (equal (vl-module-portcheck (vl-module-fix x))
         (vl-module-portcheck x)))

Theorem: vl-module-portcheck-vl-module-equiv-congruence-on-x

(defthm vl-module-portcheck-vl-module-equiv-congruence-on-x
  (implies (vl-module-equiv x x-equiv)
           (equal (vl-module-portcheck x)
                  (vl-module-portcheck x-equiv)))
  :rule-classes :congruence)