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Vl-constint

Vl-constint->origwidth

Get the origwidth field from a vl-constint.

Signature
(vl-constint->origwidth x) → origwidth
Arguments: x — Guard (vl-value-p x).
Returns: origwidth — Type (posp origwidth).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-constint->origwidth$inline

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

Theorem: posp-of-vl-constint->origwidth

(defthm posp-of-vl-constint->origwidth
  (b* ((origwidth (vl-constint->origwidth$inline x)))
    (posp origwidth))
  :rule-classes :type-prescription)

Theorem: vl-constint->origwidth$inline-of-vl-value-fix-x

(defthm vl-constint->origwidth$inline-of-vl-value-fix-x
  (equal (vl-constint->origwidth$inline (vl-value-fix x))
         (vl-constint->origwidth$inline x)))

Theorem: vl-constint->origwidth$inline-vl-value-equiv-congruence-on-x

(defthm vl-constint->origwidth$inline-vl-value-equiv-congruence-on-x
  (implies (vl-value-equiv x x-equiv)
           (equal (vl-constint->origwidth$inline x)
                  (vl-constint->origwidth$inline x-equiv)))
  :rule-classes :congruence)

Theorem: vl-constint->origwidth-when-wrong-kind

(defthm vl-constint->origwidth-when-wrong-kind
  (implies (not (equal (vl-value-kind x) :vl-constint))
           (equal (vl-constint->origwidth x)
                  (pos-fix nil))))