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Vl-assignstmt

Vl-assignstmt->expr

Get the expr field from a vl-assignstmt.

Signature
(vl-assignstmt->expr x) → expr
Arguments: x — Guard (vl-stmt-p x).
Returns: expr — Type (vl-expr-p expr).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-assignstmt->expr$inline

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

Theorem: vl-expr-p-of-vl-assignstmt->expr

(defthm vl-expr-p-of-vl-assignstmt->expr
  (b* ((expr (vl-assignstmt->expr$inline x)))
    (vl-expr-p expr))
  :rule-classes :rewrite)

Theorem: vl-assignstmt->expr$inline-of-vl-stmt-fix-x

(defthm vl-assignstmt->expr$inline-of-vl-stmt-fix-x
  (equal (vl-assignstmt->expr$inline (vl-stmt-fix x))
         (vl-assignstmt->expr$inline x)))

Theorem: vl-assignstmt->expr$inline-vl-stmt-equiv-congruence-on-x

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

Theorem: vl-assignstmt->expr-when-wrong-kind

(defthm vl-assignstmt->expr-when-wrong-kind
  (implies (not (equal (vl-stmt-kind x) :vl-assignstmt))
           (equal (vl-assignstmt->expr x)
                  (vl-expr-fix nil))))