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• Parse-datatypes

Vl-parse-packeddimension

Signature

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

Arguments

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

Definitions and Theorems

Function: vl-parse-packeddimension-fn

(defun vl-parse-packeddimension-fn (tokstream config)
  (declare (xargs :stobjs (tokstream)))
  (declare (xargs :guard (vl-loadconfig-p config)))
  (declare (ignorable config))
  (let ((__function__ 'vl-parse-packeddimension))
    (declare (ignorable __function__))
    (seq tokstream
         (:= (vl-match-token :vl-lbrack))
         (when (vl-is-token? :vl-rbrack)
               (:= (vl-match))
               (return :vl-unsized-dimension))
         (msb := (vl-parse-expression))
         (:= (vl-match-token :vl-colon))
         (lsb := (vl-parse-expression))
         (:= (vl-match-token :vl-rbrack))
         (return (make-vl-range :msb msb :lsb lsb)))))

Theorem: vl-parse-packeddimension-fails-gracefully

(defthm vl-parse-packeddimension-fails-gracefully
  (implies (mv-nth 0 (vl-parse-packeddimension))
           (not (mv-nth 1 (vl-parse-packeddimension)))))

Theorem: vl-warning-p-of-vl-parse-packeddimension

(defthm vl-warning-p-of-vl-parse-packeddimension
  (iff (vl-warning-p (mv-nth 0 (vl-parse-packeddimension)))
       (mv-nth 0 (vl-parse-packeddimension))))

Theorem: vl-parse-packeddimension-result

(defthm vl-parse-packeddimension-result
 (implies
   (and t)
   (equal
        (vl-packeddimension-p (mv-nth 1 (vl-parse-packeddimension)))
        (not (mv-nth 0 (vl-parse-packeddimension))))))

Theorem: vl-parse-packeddimension-count-strong

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