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Vl-elabinstruction

Vl-elabinstruction-p

Recognizer for vl-elabinstruction structures.

Signature
(vl-elabinstruction-p x) → *

Definitions and Theorems

Function: vl-elabinstruction-p

(defun vl-elabinstruction-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'vl-elabinstruction-p))
    (declare (ignorable __function__))
    (and (consp x)
         (cond ((or (atom x) (eq (car x) :pop))
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 1)
                     (b* ((levels (std::da-nth 0 (cdr x))))
                       (natp levels))))
               ((eq (car x) :root)
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 0)
                     (b* nil t)))
               ((eq (car x) :push-named)
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 1)
                     (b* ((key (std::da-nth 0 (cdr x))))
                       (vl-elabkey-p key))))
               (t (and (eq (car x) :push-anon)
                       (and (true-listp (cdr x))
                            (eql (len (cdr x)) 1))
                       (b* ((scope (std::da-nth 0 (cdr x))))
                         (vl-elabscope-p scope))))))))

Theorem: consp-when-vl-elabinstruction-p

(defthm consp-when-vl-elabinstruction-p
  (implies (vl-elabinstruction-p x)
           (consp x))
  :rule-classes :compound-recognizer)