(vl-parse-param-expression &key (tokstream 'tokstream) (config 'config)) → (mv errmsg? value new-tokstream)
Function:
(defun vl-parse-param-expression-fn (tokstream config) (declare (xargs :stobjs (tokstream))) (declare (xargs :guard (vl-loadconfig-p config))) (declare (ignorable config)) (let ((__function__ 'vl-parse-param-expression)) (declare (ignorable __function__)) (seq tokstream (when (and (vl-is-token? :vl-idtoken) (not (vl-parsestate-is-user-defined-type-p (vl-idtoken->name (car (vl-tokstream->tokens))) (vl-tokstream->pstate)))) (ans := (vl-parse-mintypmax-expression)) (return ans)) (return-raw (b* ((backup (vl-tokstream-save)) ((mv dt-err dt-val tokstream) (vl-parse-datatype)) ((unless dt-err) (mv dt-err dt-val tokstream)) (tokstream (vl-tokstream-restore backup))) (seq tokstream (ans := (vl-parse-mintypmax-expression)) (return ans)))))))
Theorem:
(defthm vl-parse-param-expression-fails-gracefully (implies (mv-nth 0 (vl-parse-param-expression)) (not (mv-nth 1 (vl-parse-param-expression)))))
Theorem:
(defthm vl-warning-p-of-vl-parse-param-expression (iff (vl-warning-p (mv-nth 0 (vl-parse-param-expression))) (mv-nth 0 (vl-parse-param-expression))))
Theorem:
(defthm vl-parse-param-expression-result (implies (and t) (equal (vl-paramvalue-p (mv-nth 1 (vl-parse-param-expression))) (not (mv-nth 0 (vl-parse-param-expression))))))
Theorem:
(defthm vl-parse-param-expression-count-strong (and (<= (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-param-expression))) (vl-tokstream-measure)) (implies (not (mv-nth 0 (vl-parse-param-expression))) (< (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-param-expression))) (vl-tokstream-measure)))) :rule-classes ((:rewrite) (:linear)))