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• Parse-datatypes

Vl-parse-enum-name-declaration

Signature

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

Arguments

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

Definitions and Theorems

Function: vl-parse-enum-name-declaration-fn

(defun vl-parse-enum-name-declaration-fn (tokstream config)
 (declare (xargs :stobjs (tokstream)))
 (declare (xargs :guard (vl-loadconfig-p config)))
 (declare (ignorable config))
 (let ((__function__ 'vl-parse-enum-name-declaration))
  (declare (ignorable __function__))
  (seq
   tokstream
   (name := (vl-match-token :vl-idtoken))
   (when
    (vl-is-token? :vl-lbrack)
    (:= (vl-match))
    (left := (vl-match-token :vl-inttoken))
    (when
       (or (not (vl-inttoken->value left))
           (member #\'
                   (vl-echarlist->chars (vl-inttoken->etext left))))
       (return-raw (vl-parse-error "Illegal enum index")))
    (when
     (vl-is-token? :vl-colon)
     (:= (vl-match))
     (right := (vl-match-token :vl-inttoken))
     (when
      (or (not (vl-inttoken->value right))
          (member #\'
                  (vl-echarlist->chars (vl-inttoken->etext right))))
      (return-raw (vl-parse-error "Illegal enum index"))))
    (:= (vl-match-token :vl-rbrack)))
   (when (vl-is-token? :vl-equalsign)
         (:= (vl-match))
         (value := (vl-parse-expression)))
   (return
    (make-vl-enumitem
     :name (vl-idtoken->name name)
     :range
     (cond
          ((not left) nil)
          ((not right)
           (make-vl-range
                :msb (vl-make-index (vl-inttoken->value left))
                :lsb (vl-make-index (vl-inttoken->value left))))
          (t (make-vl-range
                  :msb (vl-make-index (vl-inttoken->value left))
                  :lsb (vl-make-index (vl-inttoken->value right)))))
     :value value)))))

Theorem: vl-parse-enum-name-declaration-fails-gracefully

(defthm vl-parse-enum-name-declaration-fails-gracefully
  (implies (mv-nth 0 (vl-parse-enum-name-declaration))
           (not (mv-nth 1 (vl-parse-enum-name-declaration)))))

Theorem: vl-warning-p-of-vl-parse-enum-name-declaration

(defthm vl-warning-p-of-vl-parse-enum-name-declaration
  (iff (vl-warning-p (mv-nth 0 (vl-parse-enum-name-declaration)))
       (mv-nth 0 (vl-parse-enum-name-declaration))))

Theorem: vl-parse-enum-name-declaration-result

(defthm vl-parse-enum-name-declaration-result
 (implies
  (and t)
  (equal (vl-enumitem-p (mv-nth 1 (vl-parse-enum-name-declaration)))
         (not (mv-nth 0 (vl-parse-enum-name-declaration))))))

Theorem: vl-parse-enum-name-declaration-count-strong

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