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bug#9544: 24.0.50; cc-mode does not indent Qt class correctly


From: Andrew Hyatt
Subject: bug#9544: 24.0.50; cc-mode does not indent Qt class correctly
Date: Mon, 28 Dec 2015 22:15:24 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (darwin)

This seems to work fine out of the box for me in Emacs 25.

Reading the manual, if you have further problems, the variable
c-macro-names-with-semicolon should help (see the info node about this:
"Macros with ;").  I'm closing this as unreproducible, but please update
if both Emacs 25 and this variable fail to solve the issue.

Jan Djärv <address@hidden> writes:

> Hi.
>
> Can't you put a ; after Q_OBJECT, i.e:
>
> class Counter : public QObject
> {
>    Q_OBJECT;
>
> public:
>
> ?
>
> public will then be correctly indented.  Non-syntactical macros like this are 
> a
> pain.  I don't think it is possible to handle them except by emulating the
> preprocessor, which cc-mode does not (I think).
>
>       Jan D.
>
>
> Christoph Scholtes skrev 2011-09-18 17:12:
>> With the latest emacs trunk, from `emacs -Q' open *.hpp file with this
>> content:
>>
>> class Counter : public QObject
>> {
>>    Q_OBJECT
>>
>>    public:
>>    Counter() { m_value = 0; }
>>
>>    int value() const { return m_value; }
>>
>> public slots:
>>    void setValue(int value);
>>
>> signals:
>>    void valueChanged(int newValue);
>>
>> private:
>>    int m_value;
>> };
>>
>>
>> Note, that the first access modifier `public' is not indented
>> properly. All Qt other extension modifiers are indented correctly.
>>
>> The indentation should look like this:
>>
>> class Counter : public QObject
>> {
>>    Q_OBJECT
>>
>> public:
>>    Counter() { m_value = 0; }
>>
>> [snip]
>>
>> The indentation works correctly when the `Q_OBJECT' macro is
>> removed. Since cc-mode does support the Qt extensions, it should
>> also correctly indent this class with the `Q_OBJECT' macro present.
>>
>>
>>
>> In GNU Emacs 24.0.50.1 (i386-mingw-nt6.1.7601)
>>   of 2011-09-17 on MARVIN
>> Windowing system distributor `Microsoft Corp.', version 6.1.7601
>> configured using `configure --with-gcc (4.5) --no-opt --cflags -I"C:/Program 
>> Files (x86)/GnuWin32/include" -ID:/devel/emacs/libXpm-3.5.8/include 
>> -ID:/devel/emacs/libXpm-3.5.8/src -ID:/devel/emacs/gnutls-2.10.5-x86/include 
>> --ldflags -LD:/devel/emacs/gnutls-2.10.5-x86/lib'
>>
>> Important settings:
>>    value of $LC_ALL: nil
>>    value of $LC_COLLATE: nil
>>    value of $LC_CTYPE: nil
>>    value of $LC_MESSAGES: nil
>>    value of $LC_MONETARY: nil
>>    value of $LC_NUMERIC: nil
>>    value of $LC_TIME: nil
>>    value of $LANG: ENU
>>    value of $XMODIFIERS: nil
>>    locale-coding-system: cp1252
>>    default enable-multibyte-characters: t
>>
>> Major mode: Emacs-Lisp
>>
>> Minor modes in effect:
>>    paredit-mode: t
>>    my-keys-minor-mode: t
>>    erc-autojoin-mode: t
>>    erc-track-mode: t
>>    erc-match-mode: t
>>    erc-pcomplete-mode: t
>>    erc-stamp-mode: t
>>    recentf-mode: t
>>    desktop-save-mode: t
>>    autopair-mode: t
>>    autopair-global-mode: t
>>    ido-everywhere: t
>>    yas/global-mode: t
>>    yas/minor-mode: t
>>    global-auto-revert-mode: t
>>    delete-selection-mode: t
>>    tooltip-mode: t
>>    mouse-wheel-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
>>    size-indication-mode: t
>>    column-number-mode: t
>>    line-number-mode: t
>>
>> Recent input:
>> M-x c c - m o d e<tab>  <tab>  <tab>  <backspace>  <backspace>
>> <backspace>  <backspace>  <tab>  <backspace>  <backspace>
>> <backspace>  <backspace>  <backspace>  <backspace>  <backspace>
>> r e o<backspace>  p o r t - b u<tab>  <tab>  <tab>  <tab>
>> <tab>  <backspace>  <backspace>  <backspace>  C-g C-t C-/
>> M-x r e p o r t<tab>  <return>
>>
>> Recent messages:
>> Quit
>> Undo!
>> Loading system routine info in idle time...
>> Failed to convert XML routine info, falling back on idlw-rinfo.
>> Could not locate any system routine information.
>> Loading system routine info in idle time...done
>> Normalizing idlwave-system-routines in idle time...done
>> Loading and normalizing library catalogs in idle time...done
>> Finishing initialization in idle time...
>> Scanning all buffers...
>>
>> Load-path shadows:
>> None found.
>>
>> Features:
>> (shadow sort gnus-cite mail-extr gnus-msg gnus-art mm-uu mml2015
>> epg-config mm-view mml-smime smime password-cache dig mailcap emacsbug
>> idlwave imenu idlwave-help idlw-help browse-url cc-mode cc-fonts
>> cc-guess cc-menus cc-cmds vc-hg paredit my-zenburn-theme erc-join
>> erc-track erc-match erc-pcomplete erc-stamp erc-goodies erc erc-backend
>> erc-compat thingatpt ispell bookmark+ bookmark+-key dired-x dired
>> bookmark+-1 nnir gnus-sum nnoo gnus-group gnus-undo nnmail mail-source
>> gnus-start gnus-spec gnus-int gnus-range message format-spec rfc822 mml
>> mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045
>> ietf-drums mailabbrev gmm-utils mailheader gnus-win gnus gnus-ems
>> nnheader gnus-util mail-utils mm-util mail-prsvr bookmark+-bmu help-mode
>> view bookmark+-lit pp+ bookmark+-mac bookmark pp recentf tree-widget
>> wid-edit midnight desktop ibuffer uniquify autopair google-c-style
>> cc-styles cc-align cc-engine cc-vars cc-defs browse-kill-ring+
>> browse-kill-ring second-sel ido yasnippet dropdown-list derived edmacro
>> kmacro assoc cl org-habit org-agenda org byte-opt warnings bytecomp
>> byte-compile cconv macroexp ob-emacs-lisp ob-tangle ob-ref ob-lob
>> ob-table org-footnote org-src ob-comint comint ring ob-keys ob ob-eval
>> org-pcomplete pcomplete org-list org-faces org-compat org-entities
>> org-macs noutline outline easy-mmode regexp-opt cal-menu easymenu
>> calendar cal-loaddefs org-install server advice help-fns advice-preload
>> debbugs-autoloads package tabulated-list autorevert delsel time-date
>> tooltip ediff-hook vc-hooks lisp-float-type mwheel dos-w32 disp-table
>> ls-lisp w32-win w32-vars tool-bar dnd fontset image fringe lisp-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 button faces cus-face files text-properties overlay sha1 md5
>> base64 format env code-pages mule custom widget hashtable-print-readable
>> backquote make-network-process multi-tty emacs)
>>
>>





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