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• Verilog-2005-portdecls

Vl-parse-basic-port-declaration-tail

Matches [net_type] ['signed'] [range] list_of_port_identifiers.

Signature

(vl-parse-basic-port-declaration-tail dir atts force-completep 
                                      &key (tokstream 'tokstream) 
                                      (config 'config)) 
 
  → 
(mv errmsg? value new-tokstream)

Arguments

config — Guard (vl-loadconfig-p config).

See creating-portdecls/vardecls and portdecl-sign. The datatype we use here is not necessarily correct, e.g., because the corresponding variable declaration might have some other type (e.g., wor or reg). However, due to the VL_INCOMPLETE_DECLARATION attribute, we'll correct for this before creating the module.

Definitions and Theorems

Function: vl-parse-basic-port-declaration-tail-fn

(defun vl-parse-basic-port-declaration-tail-fn
       (dir atts force-completep tokstream config)
 (declare (xargs :stobjs (tokstream)))
 (declare (xargs :guard (vl-loadconfig-p config)))
 (declare (ignorable config))
 (declare (xargs :guard (and (vl-direction-p dir)
                             (vl-atts-p atts)
                             (booleanp force-completep))))
 (let ((__function__ 'vl-parse-basic-port-declaration-tail))
  (declare (ignorable __function__))
  (seq
   tokstream
   (nettype := (vl-parse-optional-nettype))
   (when (vl-is-token? :vl-kwd-signed)
         (signed := (vl-match)))
   (when (vl-is-token? :vl-lbrack)
         (range := (vl-parse-range)))
   (ids := (vl-parse-1+-identifiers-separated-by-commas))
   (return
    (vl-make-ports-and-maybe-nets
       (vl-parsed-port-identifier-list-from-idtokenlist ids)
       :dir dir
       :atts atts
       :complete-p (or force-completep (if nettype t nil))
       :nettype nettype
       :type (make-vl-coretype :name :vl-logic
                               :signedp (if signed t nil)
                               :pdims (and range (list range))))))))

Theorem: vl-parse-basic-port-declaration-tail-fails-gracefully

(defthm vl-parse-basic-port-declaration-tail-fails-gracefully
 (implies
  (mv-nth
    0
    (vl-parse-basic-port-declaration-tail dir atts force-completep))
  (not (mv-nth 1
               (vl-parse-basic-port-declaration-tail
                    dir atts force-completep)))))

Theorem: vl-warning-p-of-vl-parse-basic-port-declaration-tail

(defthm vl-warning-p-of-vl-parse-basic-port-declaration-tail
  (iff (vl-warning-p (mv-nth 0
                             (vl-parse-basic-port-declaration-tail
                                  dir atts force-completep)))
       (mv-nth 0
               (vl-parse-basic-port-declaration-tail
                    dir atts force-completep))))

Theorem: vl-parse-basic-port-declaration-tail-result

(defthm vl-parse-basic-port-declaration-tail-result
  (implies (and (and (force (vl-direction-p dir))
                     (force (vl-atts-p atts))
                     (force (booleanp force-completep))))
           (equal (consp (mv-nth 1
                                 (vl-parse-basic-port-declaration-tail
                                      dir atts force-completep)))
                  (not (mv-nth 0
                               (vl-parse-basic-port-declaration-tail
                                    dir atts force-completep))))))

Theorem: vl-parse-basic-port-declaration-tail-count-strong

(defthm vl-parse-basic-port-declaration-tail-count-strong
 (and
    (<= (vl-tokstream-measure
             :tokstream (mv-nth 2
                                (vl-parse-basic-port-declaration-tail
                                     dir atts force-completep)))
        (vl-tokstream-measure))
    (implies
         (not (mv-nth 0
                      (vl-parse-basic-port-declaration-tail
                           dir atts force-completep)))
         (< (vl-tokstream-measure
                 :tokstream (mv-nth 2
                                    (vl-parse-basic-port-declaration-tail
                                         dir atts force-completep)))
            (vl-tokstream-measure))))
 :rule-classes ((:rewrite) (:linear)))

Theorem: true-listp-of-vl-parse-basic-port-declaration-tail-1

(defthm true-listp-of-vl-parse-basic-port-declaration-tail-1
  (true-listp (car (mv-nth 1
                           (vl-parse-basic-port-declaration-tail
                                dir atts force-completep))))
  :rule-classes :type-prescription)

Theorem: true-listp-of-vl-parse-basic-port-declaration-tail-2

(defthm true-listp-of-vl-parse-basic-port-declaration-tail-2
  (true-listp (cdr (mv-nth 1
                           (vl-parse-basic-port-declaration-tail
                                dir atts force-completep))))
  :rule-classes :type-prescription)

Theorem: vl-parse-basic-port-declaration-tail-basics

(defthm vl-parse-basic-port-declaration-tail-basics
 (and
  (vl-portdecllist-p (car (mv-nth 1
                                  (vl-parse-basic-port-declaration-tail
                                       dir atts force-completep))))
  (vl-vardecllist-p (cdr (mv-nth 1
                                 (vl-parse-basic-port-declaration-tail
                                      dir atts force-completep))))))