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• Sv-ansi-portdecls

Vl-parse-ansi-port-declaration

Matches ansi_port_declaration.

Signature

(vl-parse-ansi-port-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-ansi-port-declaration-fn

(defun vl-parse-ansi-port-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-ansi-port-declaration))
  (declare (ignorable __function__))
  (seq
   tokstream
   (dir := (vl-parse-optional-port-direction))
   (when
      dir
      (head := (vl-parse-port-declaration-head-2012))
      (id := (vl-match-token :vl-idtoken))
      (udims := (vl-parse-0+-variable-dimensions))
      (return
           (make-vl-parsed-ansi-port
                :dir dir
                :atts atts
                :head head
                :id (make-vl-parsed-port-identifier :name id
                                                    :udims udims))))
   (head := (vl-parse-ansi-port-header))
   (id := (vl-match-token :vl-idtoken))
   (udims := (vl-parse-0+-variable-dimensions))
   (return
        (make-vl-parsed-ansi-port
             :dir nil
             :head head
             :atts atts
             :id (make-vl-parsed-port-identifier :name id
                                                 :udims udims))))))

Theorem: vl-parse-ansi-port-declaration-fails-gracefully

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

Theorem: vl-warning-p-of-vl-parse-ansi-port-declaration

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

Theorem: vl-parse-ansi-port-declaration-result

(defthm vl-parse-ansi-port-declaration-result
 (implies
      (and (force (vl-atts-p atts)))
      (equal (vl-parsed-ansi-port-p
                  (mv-nth 1
                          (vl-parse-ansi-port-declaration atts)))
             (not (mv-nth 0
                          (vl-parse-ansi-port-declaration atts))))))

Theorem: vl-parse-ansi-port-declaration-count-strong

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