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• Parse-paramdecls

Vl-parse-param-or-localparam-declaration-2005

Signature

(vl-parse-param-or-localparam-declaration-2005 
     atts types &key (tokstream 'tokstream) 
     (config 'config)) 
 
  → 
(mv errmsg? value new-tokstream)

Arguments

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

Definitions and Theorems

Function: vl-parse-param-or-localparam-declaration-2005-fn

(defun vl-parse-param-or-localparam-declaration-2005-fn
       (atts types tokstream config)
 (declare (xargs :stobjs (tokstream)))
 (declare (xargs :guard (vl-loadconfig-p config)))
 (declare (ignorable config))
 (declare
  (xargs
    :guard (and (vl-atts-p atts)
                (true-listp types)
                (subsetp types
                         '(:vl-kwd-parameter :vl-kwd-localparam)))))
 (let
    ((__function__ 'vl-parse-param-or-localparam-declaration-2005))
  (declare (ignorable __function__))
  (seq
   tokstream
   (start := (vl-match-some-token types))
   (when
    (vl-is-some-token?
         '(:vl-kwd-integer :vl-kwd-real
                           :vl-kwd-realtime :vl-kwd-time))
    (type := (vl-match))
    (decls
     :=
     (vl-parse-list-of-param-assignments
      atts
      (eq (vl-token->type start)
          :vl-kwd-localparam)
      (make-vl-explicitvalueparam
         :type (case (vl-token->type type)
                     (:vl-kwd-integer *vl-plain-old-integer-type*)
                     (:vl-kwd-real *vl-plain-old-real-type*)
                     (:vl-kwd-realtime *vl-plain-old-realtime-type*)
                     (:vl-kwd-time *vl-plain-old-time-type*)))))
    (return decls))
   (when (vl-is-token? :vl-kwd-signed)
         (signed := (vl-match)))
   (when (vl-is-token? :vl-lbrack)
         (range := (vl-parse-range)))
   (decls
    :=
    (vl-parse-list-of-param-assignments
     atts
     (eq (vl-token->type start)
         :vl-kwd-localparam)
     (mbe
       :logic
       (cond ((and (not signed) (not range))
              (make-vl-implicitvalueparam :range nil
                                          :sign nil))
             ((not signed)
              (make-vl-implicitvalueparam :range range
                                          :sign nil))
             ((not range)
              (make-vl-implicitvalueparam :range nil
                                          :sign :vl-signed))
             (t (make-vl-implicitvalueparam :range range
                                            :sign :vl-signed)))
       :exec
       (make-vl-implicitvalueparam :range range
                                   :sign (and signed :vl-signed)))))
   (return decls))))

Theorem: vl-parse-param-or-localparam-declaration-2005-fails-gracefully

(defthm
     vl-parse-param-or-localparam-declaration-2005-fails-gracefully
 (implies
  (mv-nth
       0
       (vl-parse-param-or-localparam-declaration-2005 atts types))
  (not
   (mv-nth
      1
      (vl-parse-param-or-localparam-declaration-2005 atts types)))))

Theorem: vl-warning-p-of-vl-parse-param-or-localparam-declaration-2005

(defthm
      vl-warning-p-of-vl-parse-param-or-localparam-declaration-2005
 (iff
  (vl-warning-p
   (mv-nth
        0
        (vl-parse-param-or-localparam-declaration-2005 atts types)))
  (mv-nth
       0
       (vl-parse-param-or-localparam-declaration-2005 atts types))))

Theorem: vl-parse-param-or-localparam-declaration-2005-result

(defthm vl-parse-param-or-localparam-declaration-2005-result
 (implies
  (and
    (and (force (vl-atts-p atts))
         (force (true-listp types))
         (force (subsetp types
                         '(:vl-kwd-parameter :vl-kwd-localparam)))))
  (vl-paramdecllist-p
   (mv-nth
      1
      (vl-parse-param-or-localparam-declaration-2005 atts types)))))

Theorem: vl-parse-param-or-localparam-declaration-2005-true-listp

(defthm vl-parse-param-or-localparam-declaration-2005-true-listp
 (true-listp
   (mv-nth
        1
        (vl-parse-param-or-localparam-declaration-2005 atts types)))
 :rule-classes :type-prescription)

Theorem: vl-parse-param-or-localparam-declaration-2005-count-strong

(defthm vl-parse-param-or-localparam-declaration-2005-count-strong
 (and
  (<=
   (vl-tokstream-measure
    :tokstream
    (mv-nth
        2
        (vl-parse-param-or-localparam-declaration-2005 atts types)))
   (vl-tokstream-measure))
  (implies
   (not
    (mv-nth
        0
        (vl-parse-param-or-localparam-declaration-2005 atts types)))
   (<
    (vl-tokstream-measure
     :tokstream
     (mv-nth
        2
        (vl-parse-param-or-localparam-declaration-2005 atts types)))
    (vl-tokstream-measure))))
 :rule-classes ((:rewrite) (:linear)))