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Tue, 04 Oct 2016 15:41:42 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1brVas-00042n-CN for bug-gnu-emacs@gnu.org; Tue, 04 Oct 2016 15:41:41 -0400 Original-Received: from mout.kundenserver.de ([217.72.192.73]:64392) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1brVas-00042G-2R for bug-gnu-emacs@gnu.org; Tue, 04 Oct 2016 15:41:38 -0400 Original-Received: from [18.26.2.123] ([18.26.2.123]) by mrelayeu.kundenserver.de (mreue102) with ESMTPSA (Nemesis) id 0MQNsy-1bSJjQ0lJM-00TliC for ; Tue, 04 Oct 2016 21:41:36 +0200 In-Reply-To: X-Provags-ID: V03:K0:vZ6PGUKtcem7++hdh/eF5STtesQl5NvE5CQ6iAlxZ4ckIhYJz9j sdCT1WQTev0vcOs4XDeYtDGX1TGfO1hCV6J+NfiEYBAyDDY7DAOpMH3GJGBhLINoFVQRX3x O35+zISEzSBXxEXetMjT5Un0GwhI/muaqKDnmIn6C6l3FQYqh3YH2hrqxmStUhsMtybZvZC ZSYBL9EeCyI8oKwoGmC5g== X-UI-Out-Filterresults: notjunk:1;V01:K0:9nhczCVFG0g=:eh1BJ8BVkb0w49H2Y2MLTC R6pDiGMOhtP7lfPsJrKaRyUwFnj0SnxiDhjCiPaUt1HNcHyd5rbAqrYTrQ0+JdLMos7Tui/kz XdRY3C+ftXfA+2o5eoPS+BUH21fiPy8aHZRD2oftq01USvd6WmkqMcj0bXvPGsA24cnbKSmAV T3ks7U3a68EAzTHwx0CkOhDLCArz05DplNDyCksmdKvkpuFyWtFyKY9eaFIS2B3K7u/kpiFEz 9/1LIBI4KFU1GehUPbHb02AFVeFq0efsYoNc2CIeMme4dkjbkSIs4hhD6QV2LPQxANmVj0i3/ XaOZsqAMepkrlj2rguYdBro/2ISLSkoSnwbzbk0TKyv3T08nTdA2aGEMb59NhPuTd/kivIlDF Xh2wc/ywhBQxFRwsQa0Y5iUWwdo19fhmeT/MX3bYHxdAALNdrLCcK0jvBsdHvcbnbtlaMwtSq hMuwCJqnxK/+MKQhSCQXgx/SYFrCYy7QJ9wDWF66NSLU56PVM0SiZGlkTsCyPqxZzrxlJTNiU DcjOlRv2x7ysAmmojo0PZEF4UZ75DC8gdCpTKnjJ7O1Erfy2vIl/7XzNP1sMZ1lwdRJWjykE5 0SvdD6kxdY2t2vOrxz3XwumYf/qbUnIv9RlqP1cTjeNw57cEry/Rx1BeyMlnb6k5rJu/o+fRi DfQwhlGzUQqFK1Y+CNgn5jaPvhUyN89H8nB6sRzkB4BgQOVS166KF0TY+e5mgQIWJvKA= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:124065 Archived-At: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --UkW86Bsmdj1M4OWpCFFlSjfgAEcjfuTKw Content-Type: multipart/mixed; boundary="FPfoLabaBjwPKADxAmQPi1u3ClFGkhr87"; protected-headers="v1" From: =?UTF-8?Q?Cl=c3=a9ment_Pit--Claudel?= To: bug-gnu-emacs@gnu.org Message-ID: <70fe21b3-e7d9-111c-394c-f8554ac90453@gmail.com> Subject: Re: bug#24617: 26.0.50; Handlers in `condition-case' should have programmatic access to the backtrace References: In-Reply-To: --FPfoLabaBjwPKADxAmQPi1u3ClFGkhr87 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable This sounds like a great idea! As an aside, note that these things are not impossible; just tricky. You= just need to register your own debugger, then in that debugger function = re-throw the error after recording the backtrace. You also need to incre= ment num-nonmacro-input-events from the debugger. Cl=C3=A9ment. On 2016-10-04 12:38, Philipp Stephani wrote: >=20 > Currently a handler in a `condition-case' form doesn't have access to > the backtrace that was active when the signal was raised. This makes > many useful things impossible, such as re-raising signals or returning > the backtrace to emacsclient. I suggest either adding true exception > objects (storing the error symbol, data, and backtrace), or at least > providing a dynamic variable with the current backtrace. >=20 >=20 > In GNU Emacs 26.0.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.10.8) > of 2016-10-04 built on localhost > Repository revision: e2913dc880b9843bf69cf885270551bafeb46120 > Windowing system distributor 'The X.Org Foundation', version 11.0.11501= 000 > System Description: Ubuntu 14.04 LTS >=20 > Recent messages: > For information about GNU Emacs and the GNU system, type C-h C-a. >=20 > Configured using: > 'configure --with-modules --enable-checking > --enable-check-lisp-object-type' >=20 > Configured features: > XPM JPEG TIFF GIF PNG SOUND GSETTINGS NOTIFY GNUTLS FREETYPE XFT ZLIB > TOOLKIT_SCROLL_BARS GTK3 X11 MODULES >=20 > Important settings: > value of $LANG: en_US.UTF-8 > locale-coding-system: utf-8-unix >=20 > Major mode: Lisp Interaction >=20 > Minor modes in effect: > tooltip-mode: t > global-eldoc-mode: t > electric-indent-mode: t > mouse-wheel-mode: t > tool-bar-mode: t > menu-bar-mode: t > file-name-shadow-mode: t > global-font-lock-mode: t > font-lock-mode: t > blink-cursor-mode: t > auto-composition-mode: t > auto-encryption-mode: t > auto-compression-mode: t > line-number-mode: t > transient-mark-mode: t >=20 > Load-path shadows: > None found. >=20 > Features: > (shadow sort mail-extr emacsbug message subr-x puny seq byte-opt gv > bytecomp byte-compile cl-extra help-mode cconv cl-loaddefs pcase cl-lib= > dired dired-loaddefs format-spec rfc822 mml easymenu mml-sec > password-cache epa derived epg epg-config gnus-util rmail rmail-loaddef= s > mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils > mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr > mail-utils time-date mule-util tooltip eldoc electric uniquify > ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win > term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe > tabulated-list newcomment elisp-mode lisp-mode prog-mode register page > menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock > syntax facemenu font-core term/tty-colors frame cl-generic cham georgia= n > utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean > japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european > ethiopic indian cyrillic chinese charscript case-table epa-hook > jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvic= e > loaddefs button faces cus-face macroexp files text-properties overlay > sha1 md5 base64 format env code-pages mule custom widget > hashtable-print-readable backquote inotify dynamic-setting > system-font-setting font-render-setting move-toolbar gtk x-toolkit x > multi-tty make-network-process emacs) >=20 > Memory information: > ((conses 16 97780 8564) > (symbols 48 20400 0) > (miscs 40 325 144) > (strings 32 17956 4891) > (string-bytes 1 589476) > (vectors 16 13791) > (vector-slots 8 454059 6998) > (floats 8 183 34) > (intervals 56 214 0) > (buffers 976 12) > (heap 1024 50411 1118)) >=20 --FPfoLabaBjwPKADxAmQPi1u3ClFGkhr87-- --UkW86Bsmdj1M4OWpCFFlSjfgAEcjfuTKw Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJX9AXtAAoJEPqg+cTm90wjNIUP/jgcgU12HGjT+Lbfe1Qh8C4C 03s2wPO6krm/KnvD8ZdNemjyGrXx89O2/7gh8fGM4DcOAwhasLZCRm7D7u1/Oh3N 3nlSbzH5avxpcF3FZkzgv8Osfoic2AoiunXn0Q41uJyGUCdgHSND0TY3CTMnTjeD ZkFP4iTzEU+aUlQmQzs5jZdWHi9+djmBJkGcp6RdrBDciNkvoLd2hKIbSKtMZIue B1u+oL+nme8LzdaiwtdGl/6WZ+PtJScVCNyQ2tn0/c8ICziop8Txc/1LW9Bm7FZJ 6OHmcz/Sm8Br1jk0inx0Oo5FgiErHxjX/tuqtHaUGPPBizxx4s3NFa5Z3jt2VPJn 1DpmO9FmyjLVvnRS9TJbaXpgyQjdzZ3MWqzvIMQ+ikUdqtcHrvGPylBCbbL2DUuV 3zrIq02bV29Qcglp9QszR+LDpx8naKTdi3gH6xsky7XOyNDKR2ofF5TMfHqZQ4ym QdpcPF4Pd6PyZYC4I67DpteuAtVPd1IgWqXAUsQrXtbyg0rkYjQv+ZqqQ5SFBysd EudAd2OSkb85FrRnHSnDOp4YfOJDiVordMmXOPJz8gAJMFvb1IVkeSQhDHU4GIBO XR8JnUdJ9nnu98mEmFY8rGPXLWK9vTTxq4gno3jcvc9ypZCJZZVFPXfgvf8Dv7Ww 7yIHKh5BiFwJdYyLKvA/ =3zxg -----END PGP SIGNATURE----- --UkW86Bsmdj1M4OWpCFFlSjfgAEcjfuTKw--