(vl-parse-param-or-localparam-declaration-2012 atts types &key (tokstream 'tokstream) (config 'config)) → (mv errmsg? value new-tokstream)
Function:
(defun vl-parse-param-or-localparam-declaration-2012-fn (atts types tokstream config) (declare (xargs :stobjs (tokstream))) (declare (xargs :guard (vl-loadconfig-p config))) (declare (ignorable config)) (declare (xargs :guard (and (vl-atts-p atts) (true-listp types) (subsetp types '(:vl-kwd-parameter :vl-kwd-localparam))))) (let ((__function__ 'vl-parse-param-or-localparam-declaration-2012)) (declare (ignorable __function__)) (seq tokstream (start := (vl-match-some-token types)) (when (vl-is-token? :vl-kwd-type) (:= (vl-match)) (decls := (vl-parse-list-of-type-assignments atts (eq (vl-token->type start) :vl-kwd-localparam))) (return decls)) (when (vl-is-some-token? '(:vl-kwd-signed :vl-kwd-unsigned)) (signing := (vl-match))) (when (vl-is-token? :vl-lbrack) (dims := (vl-parse-0+-packed-dimensions))) (when (or signing dims) (decls := (vl-parse-list-of-param-assignments atts (eq (vl-token->type start) :vl-kwd-localparam) (if (or (atom dims) (and (atom (cdr dims)) (vl-dimension-case (car dims) :range))) (make-vl-implicitvalueparam :range (if (atom dims) nil (vl-dimension->range (car dims))) :sign (and signing (case (vl-token->type signing) (:vl-kwd-signed :vl-signed) (:vl-kwd-unsigned :vl-unsigned)))) (make-vl-explicitvalueparam :type (make-vl-coretype :name :vl-logic :pdims dims :udims nil :signedp (and signing (case (vl-token->type signing) (:vl-kwd-signed t) (:vl-kwd-unsigned nil)))))))) (return decls)) (return-raw (b* ((localp (eq (vl-token->type start) :vl-kwd-localparam)) (emptytype (make-vl-implicitvalueparam :range nil :sign nil)) (backup (vl-tokstream-save)) ((mv some-err some-decls tokstream) (seq tokstream (type := (vl-parse-datatype)) (decls := (vl-parse-list-of-param-assignments atts localp (make-vl-explicitvalueparam :type type))) (return decls))) ((unless some-err) (mv some-err some-decls tokstream)) (some-tokens (vl-tokstream->tokens)) (tokstream (vl-tokstream-restore backup)) ((mv empty-err empty-decls tokstream) (vl-parse-list-of-param-assignments atts localp emptytype)) ((unless empty-err) (mv empty-err empty-decls tokstream)) (empty-tokens (vl-tokstream->tokens)) (tokstream (vl-tokstream-restore backup))) (if (< (len empty-tokens) (len some-tokens)) (mv empty-err empty-decls tokstream) (mv some-err some-decls tokstream)))))))
Theorem:
(defthm vl-parse-param-or-localparam-declaration-2012-fails-gracefully (implies (mv-nth 0 (vl-parse-param-or-localparam-declaration-2012 atts types)) (not (mv-nth 1 (vl-parse-param-or-localparam-declaration-2012 atts types)))))
Theorem:
(defthm vl-warning-p-of-vl-parse-param-or-localparam-declaration-2012 (iff (vl-warning-p (mv-nth 0 (vl-parse-param-or-localparam-declaration-2012 atts types))) (mv-nth 0 (vl-parse-param-or-localparam-declaration-2012 atts types))))
Theorem:
(defthm vl-parse-param-or-localparam-declaration-2012-result (implies (and (and (force (vl-atts-p atts)) (force (true-listp types)) (force (subsetp types '(:vl-kwd-parameter :vl-kwd-localparam))))) (vl-paramdecllist-p (mv-nth 1 (vl-parse-param-or-localparam-declaration-2012 atts types)))))
Theorem:
(defthm vl-parse-param-or-localparam-declaration-2012-true-listp (true-listp (mv-nth 1 (vl-parse-param-or-localparam-declaration-2012 atts types))) :rule-classes :type-prescription)
Theorem:
(defthm vl-parse-param-or-localparam-declaration-2012-count-strong (and (<= (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-param-or-localparam-declaration-2012 atts types))) (vl-tokstream-measure)) (implies (not (mv-nth 0 (vl-parse-param-or-localparam-declaration-2012 atts types))) (< (vl-tokstream-measure :tokstream (mv-nth 2 (vl-parse-param-or-localparam-declaration-2012 atts types))) (vl-tokstream-measure)))) :rule-classes ((:rewrite) (:linear)))