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bug#7264: 24.0.50; cc-mode: fontification of enums broken

From: Christoph
Subject: bug#7264: 24.0.50; cc-mode: fontification of enums broken
Date: Thu, 21 Oct 2010 17:11:01 -0600 
Fontification of enumeration typedefs seems to be broken in the trunk
(r102035).

Write the following piece of code to file.c and open it.

typedef enum
{
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER,
  MEMBER = _MEMBER
} MyEnum;

After the 22nd member, the fontification disappears, i.e. the
members are not fontified as enumeration members anymore. 

This works correctly in Emacs 23.2 and all enumeration members are
correctly fontified..



In GNU Emacs 24.0.50.1 (i386-mingw-nt6.1.7600)
 of 2010-10-21 on MARVIN
Windowing system distributor `Microsoft Corp.', version 6.1.7600
configured using `configure --with-gcc (4.5) --cflags 
-IC:/Progra~2/GnuWin32/include -ID:/devel/emacs/libXpm-3.5.8/include 
-ID:/devel/emacs/libXpm-3.5.8/src'

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: C/l

Minor modes in effect:
  ido-everywhere: t
  yas/global-mode: t
  yas/minor-mode: t
  global-auto-revert-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
  abbrev-mode: t

Recent input:
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p 
C-p C-p C-p C-p C-p C-p C-x C-s C-x k <return> C-x 
C-f b u g M-p <return> C-v C-v C-v C-v C-v C-v M-v 
M-v M-v M-v M-v M-v M-v M-v C-v C-v C-v C-v C-v C-v 
M-v M-v M-v M-v M-v M-v M-v M-v <down-mouse-1> <mouse-1> 
C-x k <return> C-x C-f M-p b u g <return> C-v C-v C-v 
C-v C-v C-v M-v M-v M-v M-v M-v M-v M-v M-v M-v <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <down> <down> <up> <up> 
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up> 
<up> <up> <up> <up> <up> <up> <up> <up> <up> <up> <up> 
<up> <up> <up> <up> <up> <up> <up> <up> <up> C-x RET 
r e p o t <backspace> r t - b u <tab> <return>

Recent messages:
Mark set
Indenting region... done
Auto-saving...done
byte-code: Beginning of buffer [12 times]
Saving file d:/devel/emacs/bug.c...
Wrote d:/devel/emacs/bug.c
scroll-down-command: Beginning of buffer [4 times]
Reverting buffer `bug.c'.
scroll-down-command: Beginning of buffer [3 times]
byte-code: Beginning of buffer [9 times]
byte-code: Beginning of buffer

Load-path shadows:
d:/devel/emacs/emacs-bzr/trunk/lisp/emacs-lisp/lmenu hides 
d:/devel/emacs/emacs-bzr/trunk/lisp/obsolete/lmenu
d:/devel/emacs/emacs-bzr/trunk/lisp/emacs-lisp/cl-compat hides 
d:/devel/emacs/emacs-bzr/trunk/lisp/obsolete/cl-compat

Features:
(shadow sort gnus-util mail-extr message rfc822 mml mml-sec mm-decode
mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mailabbrev mail-utils gmm-utils mailheader emacsbug
server js2-mode-autoloads rainbow-mode-autoloads finder-inf package
re-builder dired+ dired-x ediff-merg ediff-diff ediff-wind ediff-mult
ediff-help ediff-init ediff-util dired-aux ibuffer nav nav-tags
python-21 python nav-bufs anything-config warnings browse-url
semantic/util-modes semantic/util semantic semantic/tag semantic/lex
semantic/fw loaddefs eieio byte-opt bytecomp byte-compile mode-local
cedet imenu bookmark pp dired rx ffap thingatpt anything google-c-style
cc-mode cc-fonts cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars
cc-defs grep-o-matic grep compile comint browse-kill-ring+
browse-kill-ring second-sel ido yasnippet dropdown-list derived
easy-mmode assoc etags-table etags ring remember zenburn color-theme
edmacro kmacro wid-edit cl sendmail regexp-opt reporter easymenu
uniquify advice help-fns advice-preload autorevert 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 button minibuffer
faces cus-face files text-properties overlay md5 base64 format env
code-pages mule custom widget hashtable-print-readable backquote
make-network-process multi-tty emacs)
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