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Fileset

Filesetp

Recognizer for fileset structures.

Signature
(filesetp x) → *

Definitions and Theorems

Function: filesetp

(defun filesetp (x)
 (declare (xargs :guard t))
 (let ((__function__ 'filesetp))
  (declare (ignorable __function__))
  (and
      (consp x)
      (eq (car x) :fileset)
      (mbe :logic (and (alistp (cdr x))
                       (equal (strip-cars (cdr x))
                              '(path-wo-ext dot-h dot-c)))
           :exec (fty::alist-with-carsp (cdr x)
                                        '(path-wo-ext dot-h dot-c)))
      (b* ((path-wo-ext (cdr (std::da-nth 0 (cdr x))))
           (dot-h (cdr (std::da-nth 1 (cdr x))))
           (dot-c (cdr (std::da-nth 2 (cdr x)))))
        (and (stringp path-wo-ext)
             (file-optionp dot-h)
             (filep dot-c))))))

Theorem: consp-when-filesetp

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