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Attrib-name

Attrib-namep

Recognizer for attrib-name structures.

Signature
(attrib-namep x) → *

Definitions and Theorems

Function: attrib-namep

(defun attrib-namep (x)
  (declare (xargs :guard t))
  (let ((__function__ 'attrib-namep))
    (declare (ignorable __function__))
    (and (consp x)
         (cond ((or (atom x) (eq (car x) :ident))
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 1)
                     (b* ((unwrap (std::da-nth 0 (cdr x))))
                       (identp unwrap))))
               (t (and (eq (car x) :keyword)
                       (and (true-listp (cdr x))
                            (eql (len (cdr x)) 1))
                       (b* ((unwrap (std::da-nth 0 (cdr x))))
                         (stringp unwrap))))))))

Theorem: consp-when-attrib-namep

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