Parse a
(vl-parse-c-identifier &key (tokstream 'tokstream) (config 'config)) → (mv errmsg? value new-tokstream)
SystemVerilog-2012:
c_identifier ::= [a-zA-Z_]{[a-zA-Z0-9_]}
Function:
(defun vl-parse-c-identifier-fn (tokstream config) (declare (xargs :stobjs (tokstream))) (declare (xargs :guard (vl-loadconfig-p config))) (declare (ignorable config)) (let ((__function__ 'vl-parse-c-identifier)) (declare (ignorable __function__)) (seq tokstream (id := (vl-match-token :vl-idtoken)) (when (vl-string-matches-c-identifier-p (vl-idtoken->name id)) (return (vl-idtoken->name id))) (return-raw (vl-parse-error "Expected a valid c_identifier.")))))
Theorem:
(defthm vl-parse-c-identifier-fails-gracefully (implies (mv-nth 0 (vl-parse-c-identifier)) (not (mv-nth 1 (vl-parse-c-identifier)))))
Theorem:
(defthm vl-warning-p-of-vl-parse-c-identifier (iff (vl-warning-p (mv-nth 0 (vl-parse-c-identifier))) (mv-nth 0 (vl-parse-c-identifier))))
Theorem:
(defthm vl-parse-c-identifier-result (implies (and t) (equal (stringp (mv-nth 1 (vl-parse-c-identifier))) (not (mv-nth 0 (vl-parse-c-identifier))))))
Theorem:
(defthm vl-parse-c-identifier-count-strong (and (<= (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-c-identifier))) (vl-tokstream-measure)) (implies (not (mv-nth 0 (vl-parse-c-identifier))) (< (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-c-identifier))) (vl-tokstream-measure)))) :rule-classes ((:rewrite) (:linear)))