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bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace*
From: |
Juri Linkov |
Subject: |
bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace* |
Date: |
Thu, 09 Jun 2022 20:58:39 +0300 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (x86_64-pc-linux-gnu) |
>> A better question is why *Backtrace* is erased?
>> Often I accidentally quit the backtrace, then
>> try to switch to the *Backtrace* buffer to check
>> the backtrace again, but to no avail.
>
> I don't think you can usefully interact with it after exiting the
> recursive edit? That is, I think all the stuff that's bound in the
> `debug' command (debugger-outer-match-data etc etc) has to continue to
> be bound...
>
> But perhaps that can be fixed?
I have no idea what will happen when it's not erased, need to try.
Hmm, interesting, after this all backtrace links are still valid:
diff --git a/lisp/emacs-lisp/debug.el b/lisp/emacs-lisp/debug.el
index 6c172d6c31..eb71b12341 100644
--- a/lisp/emacs-lisp/debug.el
+++ b/lisp/emacs-lisp/debug.el
@@ -308,13 +308,13 @@ debug
;; Restore previous state of debugger-buffer in case we were
;; in a recursive invocation of the debugger, otherwise just
;; erase the buffer.
- (when (buffer-live-p debugger-buffer)
- (with-current-buffer debugger-buffer
- (if debugger-previous-state
- (debugger--restore-buffer-state debugger-previous-state)
- (setq backtrace-insert-header-function nil)
- (setq backtrace-frames nil)
- (backtrace-print))))
+ ;; (when (buffer-live-p debugger-buffer)
+ ;; (with-current-buffer debugger-buffer
+ ;; (if debugger-previous-state
+ ;; (debugger--restore-buffer-state debugger-previous-state)
+ ;; (setq backtrace-insert-header-function nil)
+ ;; (setq backtrace-frames nil)
+ ;; (backtrace-print))))
(with-timeout-unsuspend debugger-with-timeout-suspend)
(set-match-data debugger-outer-match-data)))
(setq debug-on-next-call debugger-step-after-exit)
- bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace*, dick . r . chiang, 2022/06/09
- bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace*, Eli Zaretskii, 2022/06/09
- bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace*, Eric Abrahamsen, 2022/06/09
- bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace*, dick, 2022/06/09
- bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace*, Eric Abrahamsen, 2022/06/09
- bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace*, Lars Ingebrigtsen, 2022/06/10
- bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace*, dick, 2022/06/10