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Obj-declor

Obj-declor-fix

Fixing function for obj-declor structures.

Signature
(obj-declor-fix x) → new-x
Arguments: x — Guard (obj-declorp x).
Returns: new-x — Type (obj-declorp new-x).

Definitions and Theorems

Function: obj-declor-fix$inline

(defun obj-declor-fix$inline (x)
 (declare (xargs :guard (obj-declorp x)))
 (let ((__function__ 'obj-declor-fix))
  (declare (ignorable __function__))
  (mbe
   :logic
   (case (obj-declor-kind x)
    (:ident (b* ((get (ident-fix (std::da-nth 0 (cdr x)))))
              (cons :ident (list get))))
    (:pointer (b* ((decl (obj-declor-fix (std::da-nth 0 (cdr x)))))
                (cons :pointer (list decl))))
    (:array (b* ((decl (obj-declor-fix (std::da-nth 0 (cdr x))))
                 (size (iconst-option-fix (std::da-nth 1 (cdr x)))))
              (cons :array (list decl size)))))
   :exec x)))

Theorem: obj-declorp-of-obj-declor-fix

(defthm obj-declorp-of-obj-declor-fix
  (b* ((new-x (obj-declor-fix$inline x)))
    (obj-declorp new-x))
  :rule-classes :rewrite)

Theorem: obj-declor-fix-when-obj-declorp

(defthm obj-declor-fix-when-obj-declorp
  (implies (obj-declorp x)
           (equal (obj-declor-fix x) x)))

Function: obj-declor-equiv$inline

(defun obj-declor-equiv$inline (acl2::x acl2::y)
  (declare (xargs :guard (and (obj-declorp acl2::x)
                              (obj-declorp acl2::y))))
  (equal (obj-declor-fix acl2::x)
         (obj-declor-fix acl2::y)))

Theorem: obj-declor-equiv-is-an-equivalence

(defthm obj-declor-equiv-is-an-equivalence
  (and (booleanp (obj-declor-equiv x y))
       (obj-declor-equiv x x)
       (implies (obj-declor-equiv x y)
                (obj-declor-equiv y x))
       (implies (and (obj-declor-equiv x y)
                     (obj-declor-equiv y z))
                (obj-declor-equiv x z)))
  :rule-classes (:equivalence))

Theorem: obj-declor-equiv-implies-equal-obj-declor-fix-1

(defthm obj-declor-equiv-implies-equal-obj-declor-fix-1
  (implies (obj-declor-equiv acl2::x x-equiv)
           (equal (obj-declor-fix acl2::x)
                  (obj-declor-fix x-equiv)))
  :rule-classes (:congruence))

Theorem: obj-declor-fix-under-obj-declor-equiv

(defthm obj-declor-fix-under-obj-declor-equiv
  (obj-declor-equiv (obj-declor-fix acl2::x)
                    acl2::x)
  :rule-classes (:rewrite :rewrite-quoted-constant))

Theorem: equal-of-obj-declor-fix-1-forward-to-obj-declor-equiv

(defthm equal-of-obj-declor-fix-1-forward-to-obj-declor-equiv
  (implies (equal (obj-declor-fix acl2::x) acl2::y)
           (obj-declor-equiv acl2::x acl2::y))
  :rule-classes :forward-chaining)

Theorem: equal-of-obj-declor-fix-2-forward-to-obj-declor-equiv

(defthm equal-of-obj-declor-fix-2-forward-to-obj-declor-equiv
  (implies (equal acl2::x (obj-declor-fix acl2::y))
           (obj-declor-equiv acl2::x acl2::y))
  :rule-classes :forward-chaining)

Theorem: obj-declor-equiv-of-obj-declor-fix-1-forward

(defthm obj-declor-equiv-of-obj-declor-fix-1-forward
  (implies (obj-declor-equiv (obj-declor-fix acl2::x)
                             acl2::y)
           (obj-declor-equiv acl2::x acl2::y))
  :rule-classes :forward-chaining)

Theorem: obj-declor-equiv-of-obj-declor-fix-2-forward

(defthm obj-declor-equiv-of-obj-declor-fix-2-forward
  (implies (obj-declor-equiv acl2::x (obj-declor-fix acl2::y))
           (obj-declor-equiv acl2::x acl2::y))
  :rule-classes :forward-chaining)

Theorem: obj-declor-kind$inline-of-obj-declor-fix-x

(defthm obj-declor-kind$inline-of-obj-declor-fix-x
  (equal (obj-declor-kind$inline (obj-declor-fix x))
         (obj-declor-kind$inline x)))

Theorem: obj-declor-kind$inline-obj-declor-equiv-congruence-on-x

(defthm obj-declor-kind$inline-obj-declor-equiv-congruence-on-x
  (implies (obj-declor-equiv x x-equiv)
           (equal (obj-declor-kind$inline x)
                  (obj-declor-kind$inline x-equiv)))
  :rule-classes :congruence)

Theorem: consp-of-obj-declor-fix

(defthm consp-of-obj-declor-fix
  (consp (obj-declor-fix x))
  :rule-classes :type-prescription)