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Vl-concat

Vl-concat->parts

Get the parts field from a vl-concat.

Signature
(vl-concat->parts x) → parts
Arguments: x — Guard (vl-expr-p x).
Returns: parts — Type (vl-exprlist-p parts).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-concat->parts$inline

(defun vl-concat->parts$inline (x)
  (declare (xargs :guard (vl-expr-p x)))
  (declare (xargs :guard (equal (vl-expr-kind x) :vl-concat)))
  (let ((__function__ 'vl-concat->parts))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (vl-expr-kind x) :vl-concat)
                      x)))
           (vl-exprlist-fix (std::prod-car (cdr x))))
         :exec (std::prod-car (cdr x)))))

Theorem: vl-exprlist-p-of-vl-concat->parts

(defthm vl-exprlist-p-of-vl-concat->parts
  (b* ((parts (vl-concat->parts$inline x)))
    (vl-exprlist-p parts))
  :rule-classes :rewrite)

Theorem: vl-concat->parts$inline-of-vl-expr-fix-x

(defthm vl-concat->parts$inline-of-vl-expr-fix-x
  (equal (vl-concat->parts$inline (vl-expr-fix x))
         (vl-concat->parts$inline x)))

Theorem: vl-concat->parts$inline-vl-expr-equiv-congruence-on-x

(defthm vl-concat->parts$inline-vl-expr-equiv-congruence-on-x
  (implies (vl-expr-equiv x x-equiv)
           (equal (vl-concat->parts$inline x)
                  (vl-concat->parts$inline x-equiv)))
  :rule-classes :congruence)

Theorem: vl-concat->parts-when-wrong-kind

(defthm vl-concat->parts-when-wrong-kind
  (implies (not (equal (vl-expr-kind x) :vl-concat))
           (equal (vl-concat->parts x)
                  (vl-exprlist-fix nil))))