Match
(vl-parse-default-skew-item &key (tokstream 'tokstream) (config 'config)) → (mv errmsg? value new-tokstream)
SystemVerilog-2012 Grammar:
default_skew ::= 'input' clocking_skew | 'output' clocking_skew | 'input' clocking_skew 'output' clocking_skew
Function:
(defun vl-parse-default-skew-item-fn (tokstream config) (declare (xargs :stobjs (tokstream))) (declare (xargs :guard (vl-loadconfig-p config))) (declare (ignorable config)) (let ((__function__ 'vl-parse-default-skew-item)) (declare (ignorable __function__)) (seq tokstream (:= (vl-match-token :vl-kwd-default)) (when (vl-is-token? :vl-kwd-output) (:= (vl-match)) (oskew := (vl-parse-clocking-skew)) (:= (vl-match-token :vl-semi)) (return (list (make-vl-defaultskew-item :inputp nil :skew oskew)))) (:= (vl-match-token :vl-kwd-input)) (iskew := (vl-parse-clocking-skew)) (when (vl-is-token? :vl-semi) (:= (vl-match)) (return (list (make-vl-defaultskew-item :inputp t :skew iskew)))) (:= (vl-match-token :vl-kwd-output)) (oskew := (vl-parse-clocking-skew)) (:= (vl-match-token :vl-semi)) (return (list (make-vl-defaultskew-item :inputp t :skew iskew) (make-vl-defaultskew-item :inputp nil :skew oskew))))))
Theorem:
(defthm vl-parse-default-skew-item-fails-gracefully (implies (mv-nth 0 (vl-parse-default-skew-item)) (not (mv-nth 1 (vl-parse-default-skew-item)))))
Theorem:
(defthm vl-warning-p-of-vl-parse-default-skew-item (iff (vl-warning-p (mv-nth 0 (vl-parse-default-skew-item))) (mv-nth 0 (vl-parse-default-skew-item))))
Theorem:
(defthm vl-parse-default-skew-item-result (implies (and t) (vl-clocking-block-item-list-p (mv-nth 1 (vl-parse-default-skew-item)))))
Theorem:
(defthm vl-parse-default-skew-item-true-listp (true-listp (mv-nth 1 (vl-parse-default-skew-item))) :rule-classes :type-prescription)
Theorem:
(defthm vl-parse-default-skew-item-count-strong (and (<= (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-default-skew-item))) (vl-tokstream-measure)) (implies (not (mv-nth 0 (vl-parse-default-skew-item))) (< (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-default-skew-item))) (vl-tokstream-measure)))) :rule-classes ((:rewrite) (:linear)))