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Read-object-of-pop-frame

Invariance of read-object under pop-frame, provided that the object is not in the popped frame.

Definitions and Theorems

Theorem: read-object-top-static/alloc-of-pop-frame

(defthm read-object-top-static/alloc-of-pop-frame
 (implies (and (member-equal (objdesign-kind (objdesign-top objdes))
                             '(:static :alloc))
               (not (errorp (read-object objdes compst))))
          (equal (read-object objdes (pop-frame compst))
                 (read-object objdes compst))))

Theorem: read-object-top-auto-of-pop-frame

(defthm read-object-top-auto-of-pop-frame
 (implies
     (and (equal (objdesign-kind (objdesign-top objdes))
                 :auto)
          (not (errorp (read-object objdes compst)))
          (not (equal (objdesign-auto->frame (objdesign-top objdes))
                      (1- (compustate-frames-number compst)))))
     (equal (read-object objdes (pop-frame compst))
            (read-object objdes compst))))

Theorem: read-object-of-pop-frame

(defthm read-object-of-pop-frame
 (implies
  (and
      (not (errorp (read-object objdes compst)))
      (or (member-equal (objdesign-kind (objdesign-top objdes))
                        '(:static :alloc))
          (not (equal (objdesign-auto->frame (objdesign-top objdes))
                      (1- (compustate-frames-number compst))))))
  (equal (read-object objdes (pop-frame compst))
         (read-object objdes compst))))