* bug#24611: 24.5; c++-mode does not highlight nullptr keyword in C++11
@ 2016-10-04 11:05 Marvin Gülker
2016-10-04 12:57 ` Óscar Fuentes
0 siblings, 1 reply; 2+ messages in thread
From: Marvin Gülker @ 2016-10-04 11:05 UTC (permalink / raw)
To: 24611
Hi,
Emacs' c++-mode does not highlight the `nullptr' keyword. To reproduce:
1. Open a C++11 file that makes use of the `nullptr' keyword.
2. Perceive `nullptr' is not higlighted.
Example code looks like this simple program:
#include <iostream>
int main()
{
int* ptr = nullptr; // << nullptr keyword used
std::cout << "test program" << std::endl;
return 0;
}
Compile this with `g++ -std=c++11 filename.cpp -o program' to see it is
valid code.
The expected result is that the keyword `nullptr', which was introduced
with C++11, is higlighted as a keyword or otherwise stand out from
regular identifiers. It should probably be highlighted the same way as
the `NULL' constant traditionally used before C++11 as it was inherited
from C. Both `NULL' and `nullptr' serve the same purpose, so
highlighting it the same way as `NULL' is probably preferrable to
highlighting it like a real keyword (e.g., `class'). In any case, it
should be highlighted in some way.
Greetings
Marvin
In GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9)
of 2016-09-23 on hades
Windowing system distributor `The X.Org Foundation', version 11.0.11804000
Configured using:
`configure --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 --disable-dependency-tracking
--disable-silent-rules --docdir=/usr/share/doc/emacs-24.5-r3
--htmldir=/usr/share/doc/emacs-24.5-r3/html --libdir=/usr/lib64
--program-suffix=-emacs-24 --infodir=/usr/share/info/emacs-24
--localstatedir=/var
--enable-locallisppath=/etc/emacs:/usr/share/emacs/site-lisp
--with-gameuser=:gamestat --without-compress-install
--with-file-notification=inotify --enable-acl --without-dbus
--without-gpm --without-hesiod --without-kerberos --without-kerberos5
--without-xml2 --without-selinux --with-gnutls --without-wide-int
--with-zlib --with-sound=alsa --with-x --without-ns --without-gconf
--without-gsettings --without-toolkit-scroll-bars --with-gif
--with-jpeg --with-png --with-rsvg --with-tiff --with-xpm
--without-imagemagick --with-xft --without-libotf --without-m17n-flt
--with-x-toolkit=gtk3 GENTOO_PACKAGE=app-editors/emacs-24.5-r3
'CFLAGS=-march=native -O2 -pipe' CPPFLAGS= 'LDFLAGS=-Wl,-O1
-Wl,--as-needed''
Important settings:
value of $LANG: de_DE.utf8
locale-coding-system: utf-8-unix
Major mode: C++/l
Minor modes in effect:
tooltip-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
abbrev-mode: t
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Load-path shadows:
None found.
Features:
(shadow sort gnus-util mail-extr emacsbug message format-spec rfc822 mml
mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev
gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util
help-fns mail-prsvr mail-utils cc-langs cl-loaddefs cl-lib cc-mode
cc-fonts easymenu cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine
cc-vars cc-defs time-date tooltip electric uniquify ediff-hook vc-hooks
lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset image regexp-opt
fringe tabulated-list newcomment lisp-mode prog-mode register page
menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock
syntax facemenu font-core frame cham georgian utf-8-lang misc-lang
vietnamese tibetan thai tai-viet lao korean japanese hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer nadvice
loaddefs button faces cus-face macroexp files text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote make-network-process inotify
dynamic-setting font-render-setting move-toolbar gtk x-toolkit x
multi-tty emacs)
Memory information:
((conses 16 102886 3623)
(symbols 48 19877 0)
(miscs 40 40 135)
(strings 32 16456 4066)
(string-bytes 1 566361)
(vectors 16 11298)
(vector-slots 8 410533 3503)
(floats 8 61 85)
(intervals 56 268 16)
(buffers 960 12)
(heap 1024 21679 806))
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2016-10-04 11:05 bug#24611: 24.5; c++-mode does not highlight nullptr keyword in C++11 Marvin Gülker
2016-10-04 12:57 ` Óscar Fuentes
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