(vl-parse-udp-init-val &key (tokstream 'tokstream) (config 'config)) → (mv errmsg? value new-tokstream)
This is really gross.
Function:
(defun vl-parse-udp-init-val-fn (tokstream config) (declare (xargs :stobjs (tokstream))) (declare (xargs :guard (vl-loadconfig-p config))) (declare (ignorable config)) (let ((__function__ 'vl-parse-udp-init-val)) (declare (ignorable __function__)) (seq tokstream (int := (vl-match-token :vl-inttoken)) (return-raw (b* (((vl-inttoken int)) (ans (and (or int.wasunsized (eql int.width 1)) (not int.signedp) (cond ((eql int.value 0) |*sized-1'b0*|) ((eql int.value 1) |*sized-1'b1*|) ((and (not int.value) (equal int.bits '(:vl-xval))) |*sized-1'bx*|) (t nil))))) (if ans (mv nil ans tokstream) (vl-parse-error "Expected valid UDP initial value.")))))))
Theorem:
(defthm vl-parse-udp-init-val-fails-gracefully (implies (mv-nth 0 (vl-parse-udp-init-val)) (not (mv-nth 1 (vl-parse-udp-init-val)))))
Theorem:
(defthm vl-warning-p-of-vl-parse-udp-init-val (iff (vl-warning-p (mv-nth 0 (vl-parse-udp-init-val))) (mv-nth 0 (vl-parse-udp-init-val))))
Theorem:
(defthm vl-parse-udp-init-val-result (implies (and t) (equal (vl-expr-p (mv-nth 1 (vl-parse-udp-init-val))) (not (mv-nth 0 (vl-parse-udp-init-val))))))
Theorem:
(defthm vl-parse-udp-init-val-count-strong (and (<= (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-udp-init-val))) (vl-tokstream-measure)) (implies (not (mv-nth 0 (vl-parse-udp-init-val))) (< (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-udp-init-val))) (vl-tokstream-measure)))) :rule-classes ((:rewrite) (:linear)))