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• Parse-udps

Vl-parse-udp-declaration

Parse a udp_declaration.

Signature

(vl-parse-udp-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-udp-declaration-fn

(defun vl-parse-udp-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-udp-declaration))
  (declare (ignorable __function__))
  (seq
   tokstream
   (startkwd := (vl-match-token :vl-kwd-primitive))
   (udpname := (vl-match-token :vl-idtoken))
   (return-raw
    (b*
     ((backup (vl-tokstream-save))
      (orig-warnings
           (vl-parsestate->warnings (vl-tokstream->pstate)))
      (tokstream (vl-tokstream-update-pstate
                      (change-vl-parsestate (vl-tokstream->pstate)
                                            :warnings nil)))
      ((mv err udp tokstream)
       (seq
        tokstream
        (:= (vl-match-token :vl-lparen))
        (head :=
              (if (or (vl-is-token? :vl-kwd-output)
                      (vl-is-token? :vl-beginattr))
                  (vl-parse-integrated-udp-head)
                (vl-parse-traditional-udp-head udpname)))
        (body := (vl-parse-udp-body head))
        (endkwd := (vl-match-token :vl-kwd-endprimitive))
        (:= (vl-parse-endblock-name (vl-idtoken->name udpname)
                                    "primitive/endprimitive"))
        (return
          (b*
            (((vl-udp-head head))
             ((vl-udp-body body))
             (warnings
                  (vl-parsestate->warnings (vl-tokstream->pstate))))
            (make-vl-udp :name (vl-idtoken->name udpname)
                         :minloc (vl-token->loc startkwd)
                         :maxloc (vl-token->loc endkwd)
                         :output head.output
                         :inputs head.inputs
                         :sequentialp head.sequentialp
                         :table body.table
                         :initval body.init
                         :warnings warnings
                         :atts atts)))))
      ((unless err)
       (let
        ((tokstream
              (vl-tokstream-update-pstate
                   (change-vl-parsestate (vl-tokstream->pstate)
                                         :warnings orig-warnings))))
        (mv nil udp tokstream)))
      (errtokens (vl-tokstream->tokens))
      (tokstream (vl-tokstream-restore backup)))
     (seq
      tokstream
      (endkwd
       := (vl-skip-through-endprimitive (vl-idtoken->name udpname)))
      (return
           (vl-make-udp-with-parse-error (vl-idtoken->name udpname)
                                         (vl-token->loc startkwd)
                                         (vl-token->loc endkwd)
                                         err errtokens))))))))

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

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

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

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

Theorem: vl-parse-udp-declaration-result

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

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

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