Verilog-2005 only. Match
(vl-parse-optional-function-range-or-type &key (tokstream 'tokstream) (config 'config)) → (mv errmsg? value new-tokstream)
function_range_or_type ::= ['signed'] range | 'integer' | 'real' | 'realtime' | 'time'
Function:
(defun vl-parse-optional-function-range-or-type-fn (tokstream config) (declare (xargs :stobjs (tokstream))) (declare (xargs :guard (vl-loadconfig-p config))) (declare (ignorable config)) (let ((__function__ 'vl-parse-optional-function-range-or-type)) (declare (ignorable __function__)) (seq tokstream (when (vl-is-some-token? '(:vl-kwd-integer :vl-kwd-real :vl-kwd-realtime :vl-kwd-time)) (vartype-token := (vl-match)) (return (case (vl-token->type vartype-token) (:vl-kwd-integer *vl-plain-old-integer-type*) (:vl-kwd-real *vl-plain-old-real-type*) (:vl-kwd-realtime *vl-plain-old-realtime-type*) (:vl-kwd-time *vl-plain-old-time-type*)))) (when (vl-is-token? :vl-kwd-signed) (signed := (vl-match-token :vl-kwd-signed))) (when (vl-is-token? :vl-lbrack) (range := (vl-parse-range))) (return (make-vl-coretype :name :vl-logic :signedp (if signed t nil) :pdims (and range (list (vl-range->dimension range))))))))
Theorem:
(defthm vl-parse-optional-function-range-or-type-fails-gracefully (implies (mv-nth 0 (vl-parse-optional-function-range-or-type)) (not (mv-nth 1 (vl-parse-optional-function-range-or-type)))))
Theorem:
(defthm vl-warning-p-of-vl-parse-optional-function-range-or-type (iff (vl-warning-p (mv-nth 0 (vl-parse-optional-function-range-or-type))) (mv-nth 0 (vl-parse-optional-function-range-or-type))))
Theorem:
(defthm vl-parse-optional-function-range-or-type-result (implies (and (not (mv-nth 0 (vl-parse-optional-function-range-or-type))) (and t)) (vl-datatype-p (mv-nth 1 (vl-parse-optional-function-range-or-type)))))
Theorem:
(defthm vl-parse-optional-function-range-or-type-count-weak (<= (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-optional-function-range-or-type))) (vl-tokstream-measure)) :rule-classes ((:rewrite) (:linear)))