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Objdesign

Objdesignp

Recognizer for objdesign structures.

Signature
(objdesignp x) → *

Definitions and Theorems

Function: objdesignp

(defun objdesignp (x)
  (declare (xargs :guard t))
  (let ((__function__ 'objdesignp))
    (declare (ignorable __function__))
    (and (consp x)
         (cond ((or (atom x) (eq (car x) :static))
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 1)
                     (b* ((name (std::da-nth 0 (cdr x))))
                       (identp name))))
               ((eq (car x) :auto)
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 3)
                     (b* ((name (std::da-nth 0 (cdr x)))
                          (frame (std::da-nth 1 (cdr x)))
                          (scope (std::da-nth 2 (cdr x))))
                       (and (identp name)
                            (natp frame)
                            (natp scope)))))
               ((eq (car x) :alloc)
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 1)
                     (b* ((get (std::da-nth 0 (cdr x))))
                       (addressp get))))
               ((eq (car x) :element)
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 2)
                     (b* ((super (std::da-nth 0 (cdr x)))
                          (index (std::da-nth 1 (cdr x))))
                       (and (objdesignp super) (natp index)))))
               (t (and (eq (car x) :member)
                       (and (true-listp (cdr x))
                            (eql (len (cdr x)) 2))
                       (b* ((super (std::da-nth 0 (cdr x)))
                            (name (std::da-nth 1 (cdr x))))
                         (and (objdesignp super)
                              (identp name)))))))))

Theorem: consp-when-objdesignp

(defthm consp-when-objdesignp
  (implies (objdesignp x) (consp x))
  :rule-classes :compound-recognizer)