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Expr-value-location

Expr-value-location->get

Get the get field from a expr-value-location.

Signature
(expr-value-location->get x) → get
Arguments: x — Guard (expr-valuep x).
Returns: get — Type (locationp get).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: expr-value-location->get$inline

(defun expr-value-location->get$inline (x)
  (declare (xargs :guard (expr-valuep x)))
  (declare (xargs :guard (equal (expr-value-kind x) :location)))
  (let ((__function__ 'expr-value-location->get))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (expr-value-kind x) :location)
                      x)))
           (location-fix (std::da-nth 0 (cdr x))))
         :exec (std::da-nth 0 (cdr x)))))

Theorem: locationp-of-expr-value-location->get

(defthm locationp-of-expr-value-location->get
  (b* ((get (expr-value-location->get$inline x)))
    (locationp get))
  :rule-classes :rewrite)

Theorem: expr-value-location->get$inline-of-expr-value-fix-x

(defthm expr-value-location->get$inline-of-expr-value-fix-x
  (equal (expr-value-location->get$inline (expr-value-fix x))
         (expr-value-location->get$inline x)))

Theorem: expr-value-location->get$inline-expr-value-equiv-congruence-on-x

(defthm
   expr-value-location->get$inline-expr-value-equiv-congruence-on-x
  (implies (expr-value-equiv x x-equiv)
           (equal (expr-value-location->get$inline x)
                  (expr-value-location->get$inline x-equiv)))
  :rule-classes :congruence)

Theorem: expr-value-location->get-when-wrong-kind

(defthm expr-value-location->get-when-wrong-kind
  (implies (not (equal (expr-value-kind x) :location))
           (equal (expr-value-location->get x)
                  (location-fix nil))))