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Read-object-of-exit-scope

Invariance of read-object under exit-scope, provided that the object is not in the exited scope.

Definitions and Theorems

Theorem: read-object-top-static/alloc-of-exit-scope

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

Theorem: read-object-top-auto-of-exit-scope

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

Theorem: read-object-of-exit-scope

(defthm read-object-of-exit-scope
 (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))))
    (not (equal (objdesign-auto->scope (objdesign-top objdes))
                (1- (compustate-top-frame-scopes-number compst))))))
  (equal (read-object objdes (exit-scope compst))
         (read-object objdes compst))))