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Stor-spec

Stor-specp

Recognizer for stor-spec structures.

Signature
(stor-specp x) → *

Definitions and Theorems

Function: stor-specp

(defun stor-specp (x)
  (declare (xargs :guard t))
  (and (consp x)
       (cond ((or (atom x) (eq (car x) :typedef))
              (and (eq (cdr x) nil) (b* nil t)))
             ((eq (car x) :extern)
              (and (eq (cdr x) nil) (b* nil t)))
             ((eq (car x) :static)
              (and (eq (cdr x) nil) (b* nil t)))
             ((eq (car x) :thread)
              (and (b* ((local (cdr x)))
                     (booleanp local))))
             ((eq (car x) :auto)
              (and (eq (cdr x) nil) (b* nil t)))
             (t (and (eq (car x) :register)
                     (and (eq (cdr x) nil))
                     (b* nil t))))))

Theorem: consp-when-stor-specp

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