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Vl-gencase

Vl-gencase->cases

Get the cases field from a vl-gencase.

Signature
(vl-gencase->cases x) → cases
Arguments: x — Guard (vl-genelement-p x).
Returns: cases — Type (vl-gencaselist-p cases).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-gencase->cases$inline

(defun vl-gencase->cases$inline (x)
 (declare (xargs :guard (vl-genelement-p x)))
 (declare (xargs :guard (equal (vl-genelement-kind x)
                               :vl-gencase)))
 (let ((__function__ 'vl-gencase->cases))
  (declare (ignorable __function__))
  (mbe
     :logic
     (b* ((x (and (equal (vl-genelement-kind x)
                         :vl-gencase)
                  x)))
       (vl-gencaselist-fix (std::prod-cdr (std::prod-car (cdr x)))))
     :exec (std::prod-cdr (std::prod-car (cdr x))))))

Theorem: vl-gencaselist-p-of-vl-gencase->cases

(defthm vl-gencaselist-p-of-vl-gencase->cases
  (b* ((cases (vl-gencase->cases$inline x)))
    (vl-gencaselist-p cases))
  :rule-classes :rewrite)

Theorem: vl-gencase->cases$inline-of-vl-genelement-fix-x

(defthm vl-gencase->cases$inline-of-vl-genelement-fix-x
  (equal (vl-gencase->cases$inline (vl-genelement-fix x))
         (vl-gencase->cases$inline x)))

Theorem: vl-gencase->cases$inline-vl-genelement-equiv-congruence-on-x

(defthm vl-gencase->cases$inline-vl-genelement-equiv-congruence-on-x
  (implies (vl-genelement-equiv x x-equiv)
           (equal (vl-gencase->cases$inline x)
                  (vl-gencase->cases$inline x-equiv)))
  :rule-classes :congruence)

Theorem: vl-gencase->cases-when-wrong-kind

(defthm vl-gencase->cases-when-wrong-kind
  (implies (not (equal (vl-genelement-kind x)
                       :vl-gencase))
           (equal (vl-gencase->cases x)
                  (vl-gencaselist-fix nil))))