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Location-struct-comp

Location-struct-comp->struct

Get the struct field from a location-struct-comp.

Signature
(location-struct-comp->struct x) → struct
Arguments: x — Guard (locationp x).
Returns: struct — Type (locationp struct).

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

Definitions and Theorems

Function: location-struct-comp->struct$inline

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

Theorem: locationp-of-location-struct-comp->struct

(defthm locationp-of-location-struct-comp->struct
  (b* ((struct (location-struct-comp->struct$inline x)))
    (locationp struct))
  :rule-classes :rewrite)

Theorem: location-struct-comp->struct$inline-of-location-fix-x

(defthm location-struct-comp->struct$inline-of-location-fix-x
  (equal (location-struct-comp->struct$inline (location-fix x))
         (location-struct-comp->struct$inline x)))

Theorem: location-struct-comp->struct$inline-location-equiv-congruence-on-x

(defthm
 location-struct-comp->struct$inline-location-equiv-congruence-on-x
 (implies (location-equiv x x-equiv)
          (equal (location-struct-comp->struct$inline x)
                 (location-struct-comp->struct$inline x-equiv)))
 :rule-classes :congruence)

Theorem: location-struct-comp->struct-when-wrong-kind

(defthm location-struct-comp->struct-when-wrong-kind
  (implies (not (equal (location-kind x) :struct-comp))
           (equal (location-struct-comp->struct x)
                  (location-fix nil))))