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Vl-constint

Vl-constint->value

Get the value field from a vl-constint.

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

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-constint->value$inline

(defun vl-constint->value$inline (x)
 (declare (xargs :guard (vl-constint-p x)))
 (declare (xargs :guard t))
 (let ((__function__ 'vl-constint->value))
  (declare (ignorable __function__))
  (mbe
   :logic
   (b*
    ((x (and t x))
     (origwidth (pos-fix (std::prod-car (std::prod-car (cdr x)))))
     (value (nfix (std::prod-cdr (std::prod-car (cdr x)))))
     (origtype
          (vl-exprtype-fix (std::prod-car (std::prod-cdr (cdr x)))))
     (wasunsized
          (acl2::bool-fix (std::prod-cdr (std::prod-cdr (cdr x))))))
    (acl2::loghead (pos-fix origwidth)
                   value))
   :exec (std::prod-cdr (std::prod-car (cdr x))))))

Theorem: natp-of-vl-constint->value

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

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

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

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

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