GNU bug report logs - #8774
incorrect line numbers from byte-compile-file

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Stephen Eglen <S.J.Eglen <at> damtp.cam.ac.uk>
To: bug-gnu-emacs <at> gnu.org
Cc: Stephen Eglen <S.J.Eglen <at> damtp.cam.ac.uk>
Subject: incorrect line numbers from byte-compile-file
Date: Tue, 31 May 2011 15:33:21 +0100

With emacs -q, load the following into a file, test.el
----------------------------------------------------------------------
(defun fix-page-breaks ()
  "Fix page breaks in SAS 6 print files."
  (interactive)
  (save-excursion
    (goto-char (point-min))
    (if (looking-at "\f") (delete-char 1))
    (replace-regexp "^\\(.+\\)\f" "\\1\n\f\n")
    (goto-char (point-min))
    (replace-regexp "^\f\\(.+\\)" "\f\n\\1")
    (goto-char (point-min))))


----------------------------------------------------------------------

then M-x byte-compile-file generates:

Compiling file /Users/stephen/txt/t/test.el at Tue May 31 15:28:08 2011

In fix-page-breaks:
test.el:6:28:Warning: `replace-regexp' used from Lisp code
That command is designed for interactive use only
test.el:7:6:Warning: `replace-regexp' used from Lisp code
That command is designed for interactive use only

The first error has the wrong line, although it has caught the two
problematic cases.

This is with emacs 23.3.1, but same behaviour seen on Emacs 24.0.50

Stephen

(emacs-version)
"GNU Emacs 23.3.1 (x86_64-apple-darwin10.6.0, NS apple-appkit-1038.35)
 of 2011-03-10 on teva.local"

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