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Compustate

Compustatep

Recognizer for compustate structures.

Signature
(compustatep x) → *

Definitions and Theorems

Function: compustatep

(defun compustatep (x)
  (declare (xargs :guard t))
  (let ((__function__ 'compustatep))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x)
                                 '(static frames heap)))
              :exec (fty::alist-with-carsp x '(static frames heap)))
         (b* ((static (cdr (std::da-nth 0 x)))
              (frames (cdr (std::da-nth 1 x)))
              (heap (cdr (std::da-nth 2 x))))
           (and (scopep static)
                (frame-listp frames)
                (heapp heap))))))

Theorem: consp-when-compustatep

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