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• Parse-strengths

Vl-parse-drive-strength-or-charge-strength

Match drive_strength or charge_strength, returning a vl-gatestrength-p or a vl-cstrength-p.

Signature

(vl-parse-drive-strength-or-charge-strength 
     &key (tokstream 'tokstream) 
     (config 'config)) 
 
  → 
(mv errmsg? value new-tokstream)

Arguments

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

Definitions and Theorems

Function: vl-parse-drive-strength-or-charge-strength-fn

(defun vl-parse-drive-strength-or-charge-strength-fn
       (tokstream config)
  (declare (xargs :stobjs (tokstream)))
  (declare (xargs :guard (vl-loadconfig-p config)))
  (declare (ignorable config))
  (let ((__function__ 'vl-parse-drive-strength-or-charge-strength))
    (declare (ignorable __function__))
    (b* (((mv ?erp val tokstream)
          (vl-parse-optional-drive-strength))
         ((when val) (mv nil val tokstream)))
      (vl-parse-charge-strength))))

Theorem: vl-parse-drive-strength-or-charge-strength-fails-gracefully

(defthm vl-parse-drive-strength-or-charge-strength-fails-gracefully
  (implies
       (mv-nth 0
               (vl-parse-drive-strength-or-charge-strength))
       (not (mv-nth 1
                    (vl-parse-drive-strength-or-charge-strength)))))

Theorem: vl-warning-p-of-vl-parse-drive-strength-or-charge-strength

(defthm vl-warning-p-of-vl-parse-drive-strength-or-charge-strength
  (iff (vl-warning-p
            (mv-nth 0
                    (vl-parse-drive-strength-or-charge-strength)))
       (mv-nth 0
               (vl-parse-drive-strength-or-charge-strength))))

Theorem: vl-parse-drive-strength-or-charge-strength-count-strong

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

Theorem: vl-parse-drive-strength-or-charge-strength-forward

(defthm vl-parse-drive-strength-or-charge-strength-forward
 (or (vl-gatestrength-p
          (mv-nth 1
                  (vl-parse-drive-strength-or-charge-strength)))
     (vl-cstrength-p
          (mv-nth 1
                  (vl-parse-drive-strength-or-charge-strength)))
     (mv-nth 0
             (vl-parse-drive-strength-or-charge-strength)))
 :rule-classes
 ((:forward-chaining
    :trigger-terms ((vl-parse-drive-strength-or-charge-strength)))))