(defun %report-reader-error (condition stream &key simple)
(let* ((error-stream (stream-error-stream condition))
(pos (file-position-or-nil-for-error error-stream)))
+ (when (and pos (plusp pos))
+ ;; FILE-POSITION is the next character -- error is at the previous one.
+ (decf pos))
(let (lineno colno)
(when (and pos
(< pos sb!xc:array-dimension-limit)
:element-type (stream-element-type
error-stream))))
(when (= pos (read-sequence string error-stream))
+ ;; Lines count from 1, columns from 0. It's stupid and traditional.
(setq lineno (1+ (count #\Newline string))
- colno (- pos
- (or (position #\Newline string :from-end t) -1)
- 1))))
+ colno (- pos (or (position #\Newline string :from-end t) 0)))))
(file-position-or-nil-for-error error-stream pos))
(pprint-logical-block (stream nil)
- (format stream
- "~S ~@[at ~W ~]~
- ~@[(line ~W~]~@[, column ~W) ~]~
- on ~S"
- (class-name (class-of condition))
- pos lineno colno error-stream)
- (when simple
- (format stream ":~2I~_~?"
- (simple-condition-format-control condition)
- (simple-condition-format-arguments condition)))))))
+ (if simple
+ (apply #'format stream
+ (simple-condition-format-control condition)
+ (simple-condition-format-arguments condition))
+ (prin1 (class-name (class-of condition)) stream))
+ (format stream "~2I~@[~_~_~:{~:(~A~): ~S~:^, ~:_~}~]~_~_Stream: ~S"
+ (remove-if-not #'second
+ (list (list :line lineno)
+ (list :column colno)
+ (list :file-position pos)))
+ error-stream)))))
\f
;;;; special SBCL extension conditions