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• Parse-netdecls

Vl-parse-net-declaration

Signature

(vl-parse-net-declaration atts &key (tokstream 'tokstream) 
                          (config 'config)) 
 
  → 
(mv errmsg? value new-tokstream)

Arguments

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

Definitions and Theorems

Function: vl-parse-net-declaration-fn

(defun vl-parse-net-declaration-fn (atts tokstream config)
 (declare (xargs :stobjs (tokstream)))
 (declare (xargs :guard (vl-loadconfig-p config)))
 (declare (ignorable config))
 (declare (xargs :guard (vl-atts-p atts)))
 (let ((__function__ 'vl-parse-net-declaration))
  (declare (ignorable __function__))
  (seq
   tokstream
   ((nettype . loc)
    := (vl-parse-netdecltype))
   (when (vl-is-token? :vl-lparen)
         (strength := (vl-parse-drive-strength-or-charge-strength)))
   (when (vl-is-some-token? '(:vl-kwd-vectored :vl-kwd-scalared))
         (rtype := (vl-match)))
   (return-raw (b* ((backup (vl-tokstream-save))
                    ((mv erp type tokstream)
                     (vl-parse-datatype-or-implicit))
                    ((when erp)
                     (b* ((tokstream (vl-tokstream-restore backup)))
                       (vl-parse-net-declaration-finish
                            nettype loc strength
                            rtype (make-vl-coretype :name :vl-logic)
                            atts)))
                    ((mv erp decl tokstream)
                     (vl-parse-net-declaration-finish
                          nettype loc strength rtype type atts))
                    ((when erp)
                     (b* ((tokstream (vl-tokstream-restore backup)))
                       (vl-parse-net-declaration-finish
                            nettype loc strength
                            rtype (make-vl-coretype :name :vl-logic)
                            atts))))
                 (mv erp decl tokstream))))))

Theorem: vl-parse-net-declaration-fails-gracefully

(defthm vl-parse-net-declaration-fails-gracefully
  (implies (mv-nth 0 (vl-parse-net-declaration atts))
           (not (mv-nth 1 (vl-parse-net-declaration atts)))))

Theorem: vl-warning-p-of-vl-parse-net-declaration

(defthm vl-warning-p-of-vl-parse-net-declaration
  (iff (vl-warning-p (mv-nth 0 (vl-parse-net-declaration atts)))
       (mv-nth 0 (vl-parse-net-declaration atts))))

Theorem: vl-parse-net-declaration-result

(defthm vl-parse-net-declaration-result
 (implies
      (and (not (mv-nth 0 (vl-parse-net-declaration atts)))
           (and (force (vl-atts-p atts))))
      (and (consp (mv-nth 1 (vl-parse-net-declaration atts)))
           (vl-assignlist-p
                (car (mv-nth 1 (vl-parse-net-declaration atts))))
           (vl-vardecllist-p
                (cdr (mv-nth 1 (vl-parse-net-declaration atts)))))))

Theorem: vl-parse-net-declaration-count-strong

(defthm vl-parse-net-declaration-count-strong
 (and
  (<= (vl-tokstream-measure
           :tokstream (mv-nth 2 (vl-parse-net-declaration atts)))
      (vl-tokstream-measure))
  (implies
      (not (mv-nth 0 (vl-parse-net-declaration atts)))
      (< (vl-tokstream-measure
              :tokstream (mv-nth 2 (vl-parse-net-declaration atts)))
         (vl-tokstream-measure))))
 :rule-classes ((:rewrite) (:linear)))