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Input-file

Input-filep

Recognizer for input-file structures.

Signature
(input-filep x) → *

Definitions and Theorems

Function: input-filep

(defun input-filep (x)
  (declare (xargs :guard t))
  (let ((__function__ 'input-filep))
    (declare (ignorable __function__))
    (and (consp x)
         (eq (car x) :input-file)
         (mbe :logic (and (alistp (cdr x))
                          (equal (strip-cars (cdr x))
                                 '(sections)))
              :exec (fty::alist-with-carsp (cdr x)
                                           '(sections)))
         (b* ((sections (cdr (std::da-nth 0 (cdr x)))))
           (input-section-listp sections)))))

Theorem: consp-when-input-filep

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