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Flatten-res

Flatten-res-p

Recognizer for flatten-res structures.

Signature
(flatten-res-p x) → *

Definitions and Theorems

Function: flatten-res-p

(defun flatten-res-p (x)
 (declare (xargs :guard t))
 (let ((__function__ 'flatten-res-p))
  (declare (ignorable __function__))
  (and
   (mbe
     :logic (and (alistp x)
                 (equal (strip-cars x)
                        '(assigns fixups constraints var-decl-map)))
     :exec (fty::alist-with-carsp
                x
                '(assigns fixups constraints var-decl-map)))
   (b* ((assigns (cdr (std::da-nth 0 x)))
        (fixups (cdr (std::da-nth 1 x)))
        (constraints (cdr (std::da-nth 2 x)))
        (var-decl-map (cdr (std::da-nth 3 x))))
     (and (assigns-p assigns)
          (assigns-p fixups)
          (constraintlist-p constraints)
          (var-decl-map-p var-decl-map))))))

Theorem: consp-when-flatten-res-p

(defthm consp-when-flatten-res-p
  (implies (flatten-res-p x) (consp x))
  :rule-classes :compound-recognizer)