GNU bug report logs - #60351
29.0.60; bad syntanx table in c++-ts-mode

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

From: Yang Yingchao <yang.yingchao <at> qq.com>
To: bug-gnu-emacs <at> gnu.org
Cc: yingchao.yang <at> seaboxdata.com
Subject: 29.0.60; bad syntanx table in c++-ts-mode
Date: Tue, 27 Dec 2022 13:48:21 +0800

[Message part 1 (text/plain, inline)]

1. start emacs with emacs -Q

2. open a buffer, M-x c++-ts-mode, theninsert following codes:
int main(int argc, char *argv[])
{
    if (0) {
        a->func();
    }
    return 0;
}

3. move cursor to line 3, before the bracket
4. C-M-n (forward-list), and cursor will be placed at line 4, right after "->"

I think this might be an regression after commit 480f41c7deb4d3a45a862a5308950b35085f835d

Regargds


In GNU Emacs 29.0.60 (build 30, x86_64-pc-linux-gnu, GTK+ Version 3.24.35,
 cairo version 1.17.6) of 2022-12-27 built on tbook
Repository revision: 03d8fe28bc9ec4262fd0e7e763a6eae73838deb1
Repository branch: yc-hacking
System Description: Gentoo Linux

Configured using:
 'configure 'CFLAGS=-O2 -g -pipe -march=native -ggdb3' 'LDFLAGS=-Wl,-O2
 -Wl,--as-needed' --prefix=/usr --build=x86_64-pc-linux-gnu
 --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info
 --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib
 --datarootdir=/usr/share --disable-silent-rules
 --docdir=/usr/share/doc/emacs-29.0.9999-r1
 --htmldir=/usr/share/doc/emacs-29.0.9999-r1/html --libdir=/usr/lib64
 --program-suffix=-emacs-29-vcs --includedir=/usr/include/emacs-29-vcs
 --infodir=/usr/share/info/emacs-29-vcs --localstatedir=/var
 --enable-locallisppath=/etc/emacs:/usr/share/emacs/site-lisp
 --without-compress-install --without-hesiod --without-pop
 --with-file-notification=inotify --with-pdumper --enable-acl --with-dbus
 --with-modules --without-gameuser --with-libgmp --without-gpm
 --with-native-compilation --with-json --without-kerberos --without-kerberos5
 --with-lcms2 --with-xml2 --without-mailutils --without-selinux --with-sqlite3
 --with-gnutls --with-libsystemd --with-threads --with-wide-int --with-zlib
 --with-sound=alsa --with-pgtk --without-x --without-ns
 --with-toolkit-scroll-bars --without-gconf --without-gsettings
 --with-harfbuzz --without-libotf --without-m17n-flt --without-xwidgets
 --with-gif --with-jpeg --with-png --with-rsvg --with-tiff --with-webp
 --with-imagemagick --with-dumping=pdumper build_alias=x86_64-pc-linux-gnu
 host_alias=x86_64-pc-linux-gnu
 PKG_CONFIG_PATH=/home/yyc/.local/lib/pkgconfig'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS HARFBUZZ IMAGEMAGICK JPEG JSON
LCMS2 LIBSYSTEMD LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PGTK PNG
RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP
XIM GTK3 ZLIB

Important settings:
  value of $LANG: zh_CN.utf8
  value of $XMODIFIERS: @im=fcitx
  locale-coding-system: utf-8

Major mode: Helpful

Minor modes in effect:
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  global-git-commit-mode: t
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  font-lock-mode: t
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  buffer-read-only: t
  line-number-mode: t
  auto-fill-function: yas--auto-fill
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/home/yyc/.emacs.d/straight/build/cmake-mode/cmake-mode hides /usr/share/emacs/site-lisp/cmake-mode
/home/yyc/.emacs.d/straight/build/transient/transient hides /home/yyc/Work/emacs/lisp/transient
/home/yyc/.emacs.d/straight/build/eldoc/eldoc hides /home/yyc/Work/emacs/lisp/emacs-lisp/eldoc
/home/yyc/.emacs.d/straight/build/let-alist/let-alist hides /home/yyc/Work/emacs/lisp/emacs-lisp/let-alist

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Memory information:
((conses 16 1125016 337556)
 (symbols 48 64967 60)
 (strings 32 357037 105018)
 (string-bytes 1 12423127)
 (vectors 16 164456)
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 (buffers 984 53))

[Message part 2 (text/plain, inline)]

Hi **,


--
Yang Yingchao
Yang Yingchao

[Message part 3 (text/html, inline)]

Message #8 received at 60351 <at> debbugs.gnu.org (full text, mbox):

From: Yuan Fu <casouri <at> gmail.com>
To: yang.yingchao <at> qq.com
Cc: 60351 <at> debbugs.gnu.org, yingchao.yang <at> seaboxdata.com
Subject: Re: bug#60351: 29.0.60; bad syntanx table in c++-ts-mode
Date: Wed, 28 Dec 2022 13:59:35 -0800

Yang Yingchao <yang.yingchao <at> qq.com> writes:

> 1. start emacs with emacs -Q
>
> 2. open a buffer, M-x c++-ts-mode, theninsert following codes:
> int main(int argc, char *argv[])
> {
>     if (0) {
>         a->func();
>     }
>     return 0;
> }
>
> 3. move cursor to line 3, before the bracket
> 4. C-M-n (forward-list), and cursor will be placed at line 4, right after "->"
>
> I think this might be an regression after commit 480f41c7deb4d3a45a862a5308950b35085f835d

Thanks for the report! < and > serves double duty in C++, so assigning
them paren syntax are indeed incorrect. c++-mode uses text properties to
assign different syntax based on context. I’ll copy that into
c++-ts-mode.

Yuan

Message #13 received at 60351-done <at> debbugs.gnu.org (full text, mbox):

From: Yuan Fu <casouri <at> gmail.com>
To: yang.yingchao <at> qq.com
Cc: 60351-done <at> debbugs.gnu.org, yingchao.yang <at> seaboxdata.com
Subject: Re: bug#60351: 29.0.60; bad syntanx table in c++-ts-mode
Date: Wed, 28 Dec 2022 15:57:51 -0800

Yuan Fu <casouri <at> gmail.com> writes:

> Yang Yingchao <yang.yingchao <at> qq.com> writes:
>
>> 1. start emacs with emacs -Q
>>
>> 2. open a buffer, M-x c++-ts-mode, theninsert following codes:
>> int main(int argc, char *argv[])
>> {
>>     if (0) {
>>         a->func();
>>     }
>>     return 0;
>> }
>>
>> 3. move cursor to line 3, before the bracket
>> 4. C-M-n (forward-list), and cursor will be placed at line 4, right after "->"
>>
>> I think this might be an regression after commit 480f41c7deb4d3a45a862a5308950b35085f835d
>
> Thanks for the report! < and > serves double duty in C++, so assigning
> them paren syntax are indeed incorrect. c++-mode uses text properties to
> assign different syntax based on context. I’ll copy that into
> c++-ts-mode.

Done :-)

Yuan

Message #16 received at 60351-done <at> debbugs.gnu.org (full text, mbox):

From: Yang Yingchao <yang.yingchao <at> qq.com>
To: Yuan Fu <casouri <at> gmail.com>
Cc: 60351-done <at> debbugs.gnu.org
Subject: Re: bug#60351: 29.0.60; bad syntanx table in c++-ts-mode
Date: Thu, 29 Dec 2022 08:46:03 +0800

[Message part 1 (text/plain, inline)]

Verified, thank you!

:)

On Wed, Dec 28 2022, Yuan Fu <casouri <at> gmail.com> wrote:

> Yuan Fu <casouri <at> gmail.com> writes:
>
>> Yang Yingchao <yang.yingchao <at> qq.com> writes:
>>
>>> 1. start emacs with emacs -Q
>>>
>>> 2. open a buffer, M-x c++-ts-mode, theninsert following codes:
>>> int main(int argc, char *argv[])
>>> {
>>>     if (0) {
>>>         a->func();
>>>     }
>>>     return 0;
>>> }
>>>
>>> 3. move cursor to line 3, before the bracket
>>> 4. C-M-n (forward-list), and cursor will be placed at line 4, right after "->"
>>>
>>> I think this might be an regression after commit 480f41c7deb4d3a45a862a5308950b35085f835d
>>
>> Thanks for the report! < and > serves double duty in C++, so assigning
>> them paren syntax are indeed incorrect. c++-mode uses text properties to
>> assign different syntax based on context. I’ll copy that into
>> c++-ts-mode.
>
> Done :-)
>
> Yuan


-- 
Yang Yingchao
Yang Yingchao

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