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• Parse-packages

Vl-skip-through-endpackage

Special error recovery for parse errors encountered during packages.

Signature

(vl-skip-through-endpackage pkgname &key (tokstream 'tokstream) 
                            (config 'config)) 
 
  → 
(mv errmsg? value new-tokstream)

Arguments

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

Definitions and Theorems

Function: vl-skip-through-endpackage-fn

(defun vl-skip-through-endpackage-fn (pkgname tokstream config)
  (declare (xargs :stobjs (tokstream)))
  (declare (xargs :guard (vl-loadconfig-p config)))
  (declare (ignorable config))
  (declare (xargs :guard (stringp pkgname)))
  (let ((__function__ 'vl-skip-through-endpackage))
    (declare (ignorable __function__))
    (seq tokstream
         (unless (vl-is-token? :vl-kwd-endpackage)
                 (:s= (vl-match-any))
                 (endkwd := (vl-skip-through-endpackage pkgname))
                 (return endkwd))
         (endkwd := (vl-match))
         (:= (vl-parse-endblock-name pkgname "package/endpackage"))
         (return endkwd))))

Theorem: vl-skip-through-endpackage-fails-gracefully

(defthm vl-skip-through-endpackage-fails-gracefully
  (implies (mv-nth 0 (vl-skip-through-endpackage pkgname))
           (not (mv-nth 1
                        (vl-skip-through-endpackage pkgname)))))

Theorem: vl-warning-p-of-vl-skip-through-endpackage

(defthm vl-warning-p-of-vl-skip-through-endpackage
 (iff (vl-warning-p (mv-nth 0 (vl-skip-through-endpackage pkgname)))
      (mv-nth 0
              (vl-skip-through-endpackage pkgname))))

Theorem: vl-skip-through-endpackage-result

(defthm vl-skip-through-endpackage-result
 (implies
   (and (force (stringp pkgname)))
   (equal
        (vl-token-p (mv-nth 1 (vl-skip-through-endpackage pkgname)))
        (not (mv-nth 0
                     (vl-skip-through-endpackage pkgname))))))

Theorem: vl-skip-through-endpackage-count-strong

(defthm vl-skip-through-endpackage-count-strong
 (and
  (<=
    (vl-tokstream-measure
         :tokstream (mv-nth 2 (vl-skip-through-endpackage pkgname)))
    (vl-tokstream-measure))
  (implies
   (not (mv-nth 0 (vl-skip-through-endpackage pkgname)))
   (<
    (vl-tokstream-measure
         :tokstream (mv-nth 2 (vl-skip-through-endpackage pkgname)))
    (vl-tokstream-measure))))
 :rule-classes ((:rewrite) (:linear)))