GNU bug report logs - #19611
25.0.50; Edebug eval expression broken

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: stephen_leake <at> stephe-leake.org, 19611 <at> debbugs.gnu.org
Subject: bug#19611: 25.0.50; Edebug eval expression broken
Date: Tue, 24 Feb 2015 23:56:13 -0500

> I'm also seeing this problem.

I think the patch below fixes the problem.  Can you confirm?


        Stefan


diff --git a/lisp/emacs-lisp/edebug.el b/lisp/emacs-lisp/edebug.el
index 7faa101..1091877 100644
--- a/lisp/emacs-lisp/edebug.el
+++ b/lisp/emacs-lisp/edebug.el
@@ -2358,6 +2358,12 @@ MSG is printed after `::::} '."
 (defalias 'edebug-mark-marker 'mark-marker)
 
 (defun edebug--display (value offset-index arg-mode)
+  ;; edebug--display-1 is too big, we should split it.  This function
+  ;; here was just introduced to avoid making edebug--display-1
+  ;; yet a bit deeper.
+  (save-excursion (edebug--display-1 value offset-index arg-mode)))
+
+(defun edebug--display-1 (value offset-index arg-mode)
   (unless (marker-position edebug-def-mark)
     ;; The buffer holding the source has been killed.
     ;; Let's at least show a backtrace so the user can figure out
@@ -3317,6 +3323,9 @@ Return the result of the last expression."
      ;; Restore outside context.
      (setq-default cursor-in-non-selected-windows edebug-outside-d-c-i-n-s-w)
      (unwind-protect
+         ;; FIXME: This restoring of edebug-outside-buffer and
+         ;; edebug-outside-point is redundant now that backtrace-eval does it
+         ;; for us.
          (with-current-buffer edebug-outside-buffer ; of edebug-buffer
            (goto-char edebug-outside-point)
            (if (marker-buffer (edebug-mark-marker))

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