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Re: Problem in C highlight with

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  • Bram Moolenaar
    ... Hmm, there are some weird dependencies with extend and keepend. Try the c.vim file below. It might introduce new problems though. Vim syntax file
    Message 1 of 5 , May 3, 2012
    • 0 Attachment
      Lucas De Marchi wrote:

      > On Wed, May 2, 2012 at 3:55 PM, Bram Moolenaar <Bram@...> wrote:
      > > The problem is that when we allow {} inside () then there is no way to
      > > check for a missing ).  Therefore this is optional.
      > > You can set the c_no_curly_error variable, see ":help c.vim".
      >
      > After setting that, { inside ( was not marked as an error, but the bug
      > remained. The rest of the file is highlighted as if it was inside the
      > string :(

      Hmm, there are some weird dependencies with extend and keepend. Try the
      c.vim file below. It might introduce new problems though.


      " Vim syntax file
      " Language: C
      " Maintainer: Bram Moolenaar <Bram@...>
      " Last Change: 2012 May 03

      " Quit when a (custom) syntax file was already loaded
      if exists("b:current_syntax")
      finish
      endif

      let s:cpo_save = &cpo
      set cpo&vim

      " A bunch of useful C keywords
      syn keyword cStatement goto break return continue asm
      syn keyword cLabel case default
      syn keyword cConditional if else switch
      syn keyword cRepeat while for do

      syn keyword cTodo contained TODO FIXME XXX

      " It's easy to accidentally add a space after a backslash that was intended
      " for line continuation. Some compilers allow it, which makes it
      " unpredicatable and should be avoided.
      syn match cBadContinuation contained "\\\s\+$"

      " cCommentGroup allows adding matches for special things in comments
      syn cluster cCommentGroup contains=cTodo,cBadContinuation

      " String and Character constants
      " Highlight special characters (those which have a backslash) differently
      syn match cSpecial display contained "\\\(x\x\+\|\o\{1,3}\|.\|$\)"
      if !exists("c_no_utf")
      syn match cSpecial display contained "\\\(u\x\{4}\|U\x\{8}\)"
      endif
      if exists("c_no_cformat")
      syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,@Spell extend
      " cCppString: same as cString, but ends at end of line
      syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,@Spell
      else
      if !exists("c_no_c99") " ISO C99
      syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlLjzt]\|ll\|hh\)\=\([aAbdiuoxXDOUfFeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained
      else
      syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([bdiuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained
      endif
      syn match cFormat display "%%" contained
      syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend
      " cCppString: same as cString, but ends at end of line
      syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell
      endif

      syn match cCharacter "L\='[^\\]'"
      syn match cCharacter "L'[^']*'" contains=cSpecial
      if exists("c_gnu")
      syn match cSpecialError "L\='\\[^'\"?\\abefnrtv]'"
      syn match cSpecialCharacter "L\='\\['\"?\\abefnrtv]'"
      else
      syn match cSpecialError "L\='\\[^'\"?\\abfnrtv]'"
      syn match cSpecialCharacter "L\='\\['\"?\\abfnrtv]'"
      endif
      syn match cSpecialCharacter display "L\='\\\o\{1,3}'"
      syn match cSpecialCharacter display "'\\x\x\{1,2}'"
      syn match cSpecialCharacter display "L'\\x\x\+'"

      if !exists("c_no_c11") " ISO C11
      if exists("c_no_cformat")
      syn region cString start=+\%(U\|u8\=\)"+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,@Spell extend
      else
      syn region cString start=+\%(U\|u8\=\)"+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend
      endif
      syn match cCharacter "[Uu]'[^\\]'"
      syn match cCharacter "[Uu]'[^']*'" contains=cSpecial
      if exists("c_gnu")
      syn match cSpecialError "[Uu]'\\[^'\"?\\abefnrtv]'"
      syn match cSpecialCharacter "[Uu]'\\['\"?\\abefnrtv]'"
      else
      syn match cSpecialError "[Uu]'\\[^'\"?\\abfnrtv]'"
      syn match cSpecialCharacter "[Uu]'\\['\"?\\abfnrtv]'"
      endif
      syn match cSpecialCharacter display "[Uu]'\\\o\{1,3}'"
      syn match cSpecialCharacter display "[Uu]'\\x\x\+'"
      endif

      "when wanted, highlight trailing white space
      if exists("c_space_errors")
      if !exists("c_no_trail_space_error")
      syn match cSpaceError display excludenl "\s\+$"
      endif
      if !exists("c_no_tab_space_error")
      syn match cSpaceError display " \+\t"me=e-1
      endif
      endif

      " This should be before cErrInParen to avoid problems with #define ({ xxx })
      if exists("c_curly_error")
      syntax match cCurlyError "}"
      syntax region cBlock start="{" end="}" contains=ALLBUT,cBadBlock,cCurlyError,@cParenGroup,cErrInParen,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell fold
      else
      syntax region cBlock start="{" end="}" transparent fold
      endif

      "catch errors caused by wrong parenthesis and brackets
      " also accept <% for {, %> for }, <: for [ and :> for ] (C99)
      " But avoid matching <::.
      syn cluster cParenGroup contains=cParenError,cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom
      if exists("c_no_curly_error")
      syn region cParen transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,cCppString,@Spell
      " cCppParen: same as cParen but ends at end-of-line; used in cDefine
      syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell
      syn match cParenError display ")"
      syn match cErrInParen display contained "^[{}]\|^<%\|^%>"
      elseif exists("c_no_bracket_error")
      syn region cParen transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,cCppString,@Spell
      " cCppParen: same as cParen but ends at end-of-line; used in cDefine
      syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell
      syn match cParenError display ")"
      syn match cErrInParen display contained "[{}]\|<%\|%>"
      else
      syn region cParen transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell
      " cCppParen: same as cParen but ends at end-of-line; used in cDefine
      syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell
      syn match cParenError display "[\])]"
      syn match cErrInParen display contained "[\]{}]\|<%\|%>"
      syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cErrInParen,cCppParen,cCppBracket,cCppString,@Spell
      " cCppBracket: same as cParen but ends at end-of-line; used in cDefine
      syn region cCppBracket transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell
      syn match cErrInBracket display contained "[);{}]\|<%\|%>"
      endif

      syntax region cBadBlock keepend start="{" end="}" contained containedin=cParen,cBracket,cBadBlock transparent fold

      "integer number, or floating point number without a dot and with "f".
      syn case ignore
      syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal
      " Same, but without octal error (for comments)
      syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal
      syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>"
      "hex number
      syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>"
      " Flag the first zero of an octal number as something special
      syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero
      syn match cOctalZero display contained "\<0"
      syn match cFloat display contained "\d\+f"
      "floating point number, with dot, optional exponent
      syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\="
      "floating point number, starting with a dot, optional exponent
      syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
      "floating point number, without dot, with exponent
      syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>"
      if !exists("c_no_c99")
      "hexadecimal floating point number, optional leading digits, with dot, with exponent
      syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>"
      "hexadecimal floating point number, with leading digits, optional dot, with exponent
      syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>"
      endif

      " flag an octal number with wrong digits
      syn match cOctalError display contained "0\o*[89]\d*"
      syn case match

      if exists("c_comment_strings")
      " A comment can contain cString, cCharacter and cNumber.
      " But a "*/" inside a cString in a cComment DOES end the comment! So we
      " need to use a special type of cString: cCommentString, which also ends on
      " "*/", and sees a "*" at the start of the line as comment again.
      " Unfortunately this doesn't very well work for // type of comments :-(
      syntax match cCommentSkip contained "^\s*\*\($\|\s\+\)"
      syntax region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip
      syntax region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial
      syntax region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell
      if exists("c_no_comment_fold")
      " Use "extend" here to have preprocessor lines not terminate halfway a
      " comment.
      syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell extend
      else
      syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold extend
      endif
      else
      syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell
      if exists("c_no_comment_fold")
      syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell extend
      else
      syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold extend
      endif
      endif
      " keep a // comment separately, it terminates a preproc. conditional
      syntax match cCommentError display "\*/"
      syntax match cCommentStartError display "/\*"me=e-1 contained

      syn keyword cOperator sizeof
      if exists("c_gnu")
      syn keyword cStatement __asm__
      syn keyword cOperator typeof __real__ __imag__
      endif
      syn keyword cType int long short char void
      syn keyword cType signed unsigned float double
      if !exists("c_no_ansi") || exists("c_ansi_typedefs")
      syn keyword cType size_t ssize_t off_t wchar_t ptrdiff_t sig_atomic_t fpos_t
      syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t
      syn keyword cType mbstate_t wctrans_t wint_t wctype_t
      endif
      if !exists("c_no_c99") " ISO C99
      syn keyword cType _Bool bool _Complex complex _Imaginary imaginary
      syn keyword cType int8_t int16_t int32_t int64_t
      syn keyword cType uint8_t uint16_t uint32_t uint64_t
      syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t
      syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t
      syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t
      syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t
      syn keyword cType intptr_t uintptr_t
      syn keyword cType intmax_t uintmax_t
      endif
      if exists("c_gnu")
      syn keyword cType __label__ __complex__ __volatile__
      endif

      syn keyword cStructure struct union enum typedef
      syn keyword cStorageClass static register auto volatile extern const
      if exists("c_gnu")
      syn keyword cStorageClass inline __attribute__
      endif
      if !exists("c_no_c99")
      syn keyword cStorageClass inline restrict
      endif
      if !exists("c_no_c11")
      syn keyword cStorageClass _Alignas alignas
      syn keyword cOperator _Alignof alignof
      syn keyword cStorageClass _Atomic
      syn keyword cOperator _Generic
      syn keyword cStorageClass _Noreturn noreturn
      syn keyword cOperator _Static_assert static_assert
      syn keyword cStorageClass _Thread_local thread_local
      syn keyword cType char16_t char32_t
      endif

      if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu")
      if exists("c_gnu")
      syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ __func__
      endif
      syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__
      syn keyword cConstant __STDC_VERSION__
      syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX
      syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX
      syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN
      syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX
      syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN
      syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX
      if !exists("c_no_c99")
      syn keyword cConstant __func__
      syn keyword cConstant LLONG_MIN LLONG_MAX ULLONG_MAX
      syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN
      syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX
      syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX
      syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN
      syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX
      syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX
      syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN
      syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX
      syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX
      syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX
      syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX
      syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX
      syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX
      endif
      syn keyword cConstant FLT_RADIX FLT_ROUNDS
      syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON
      syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON
      syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON
      syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP
      syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP
      syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP
      syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP
      syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP
      syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP
      syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL
      syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY
      syn keyword cConstant LC_NUMERIC LC_TIME
      syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN
      syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM
      " Add POSIX signals as well...
      syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP
      syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV
      syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU
      syn keyword cConstant SIGUSR1 SIGUSR2
      syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF
      syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam
      syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET
      syn keyword cConstant TMP_MAX stderr stdin stdout
      syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX
      " Add POSIX errors as well
      syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY
      syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT
      syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR
      syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV
      syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS
      syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM
      syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV
      " math.h
      syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4
      syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2
      endif
      if !exists("c_no_c99") " ISO C99
      syn keyword cConstant true false
      endif

      " Accept %: for # (C99)
      syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" keepend contains=cComment,cCommentL,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError
      syn match cPreConditMatch display "^\s*\(%:\|#\)\s*\(else\|endif\)\>"
      if !exists("c_no_if0")
      syn cluster cCppOutInGroup contains=cCppInIf,cCppInElse,cCppInElse2,cCppOutIf,cCppOutIf2,cCppOutElse,cCppInSkip,cCppOutSkip
      syn region cCppOutWrapper start="^\s*\(%:\|#\)\s*if\s\+0\+\s*\($\|//\|/\*\|&\)" end=".\@=\|$" contains=cCppOutIf,cCppOutElse fold
      syn region cCppOutIf contained start="0\+" matchgroup=cCppOutWrapper end="^\s*\(%:\|#\)\s*endif\>" contains=cCppOutIf2,cCppOutElse
      if !exists("c_no_if0_fold")
      syn region cCppOutIf2 contained matchgroup=cCppOutWrapper start="0\+" end="^\s*\(%:\|#\)\s*\(else\>\|elif\s\+\(0\+\s*\($\|//\|/\*\|&\)\)\@!\|endif\>\)"me=s-1 contains=cSpaceError,cCppOutSkip fold
      else
      syn region cCppOutIf2 contained matchgroup=cCppOutWrapper start="0\+" end="^\s*\(%:\|#\)\s*\(else\>\|elif\s\+\(0\+\s*\($\|//\|/\*\|&\)\)\@!\|endif\>\)"me=s-1 contains=cSpaceError,cCppOutSkip
      endif
      syn region cCppOutElse contained matchgroup=cCppOutWrapper start="^\s*\(%:\|#\)\s*\(else\|elif\)" end="^\s*\(%:\|#\)\s*endif\>"me=s-1 contains=TOP,cPreCondit
      syn region cCppInWrapper start="^\s*\(%:\|#\)\s*if\s\+0*[1-9]\d*\s*\($\|//\|/\*\||\)" end=".\@=\|$" contains=cCppInIf,cCppInElse fold
      syn region cCppInIf contained matchgroup=cCppInWrapper start="\d\+" end="^\s*\(%:\|#\)\s*endif\>" contains=TOP,cPreCondit
      if !exists("c_no_if0_fold")
      syn region cCppInElse contained start="^\s*\(%:\|#\)\s*\(else\>\|elif\s\+\(0*[1-9]\d*\s*\($\|//\|/\*\||\)\)\@!\)" end=".\@=\|$" containedin=cCppInIf contains=cCppInElse2 fold
      else
      syn region cCppInElse contained start="^\s*\(%:\|#\)\s*\(else\>\|elif\s\+\(0*[1-9]\d*\s*\($\|//\|/\*\||\)\)\@!\)" end=".\@=\|$" containedin=cCppInIf contains=cCppInElse2
      endif
      syn region cCppInElse2 contained matchgroup=cCppInWrapper start="^\s*\(%:\|#\)\s*\(else\|elif\)\([^/]\|/[^/*]\)*" end="^\s*\(%:\|#\)\s*endif\>"me=s-1 contains=cSpaceError,cCppOutSkip
      syn region cCppOutSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppOutSkip
      syn region cCppInSkip contained matchgroup=cCppInWrapper start="^\s*\(%:\|#\)\s*\(if\s\+\(\d\+\s*\($\|//\|/\*\||\|&\)\)\@!\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" containedin=cCppOutElse,cCppInIf,cCppInSkip contains=TOP,cPreProc
      endif
      syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+
      syn match cIncluded display contained "<[^>]*>"
      syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded
      "syn match cLineSkip "\\$"
      syn cluster cPreProcGroup contains=cPreCondit,cIncluded,cInclude,cDefine,cErrInParen,cErrInBracket,cUserLabel,cSpecial,cOctalZero,cCppOutWrapper,cCppInWrapper,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cString,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cParen,cBracket,cMulti,cBadBlock
      syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell
      syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell

      " Highlight User Labels
      syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOutWrapper,cCppInWrapper,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString
      syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell
      " Avoid matching foo::bar() in C++ by requiring that the next char is not ':'
      syn cluster cLabelGroup contains=cUserLabel
      syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup
      syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup
      syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
      syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup

      syn match cUserLabel display "\I\i*" contained

      " Avoid recognizing most bitfields as labels
      syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType
      syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType

      if exists("c_minlines")
      let b:c_minlines = c_minlines
      else
      if !exists("c_no_if0")
      let b:c_minlines = 50 " #if 0 constructs can be long
      else
      let b:c_minlines = 15 " mostly for () constructs
      endif
      endif
      if exists("c_curly_error")
      syn sync fromstart
      else
      exec "syn sync ccomment cComment minlines=" . b:c_minlines
      endif

      " Define the default highlighting.
      " Only used when an item doesn't have highlighting yet
      hi def link cFormat cSpecial
      hi def link cCppString cString
      hi def link cCommentL cComment
      hi def link cCommentStart cComment
      hi def link cLabel Label
      hi def link cUserLabel Label
      hi def link cConditional Conditional
      hi def link cRepeat Repeat
      hi def link cCharacter Character
      hi def link cSpecialCharacter cSpecial
      hi def link cNumber Number
      hi def link cOctal Number
      hi def link cOctalZero PreProc " link this to Error if you want
      hi def link cFloat Float
      hi def link cOctalError cError
      hi def link cParenError cError
      hi def link cErrInParen cError
      hi def link cErrInBracket cError
      hi def link cCommentError cError
      hi def link cCommentStartError cError
      hi def link cSpaceError cError
      hi def link cSpecialError cError
      hi def link cCurlyError cError
      hi def link cOperator Operator
      hi def link cStructure Structure
      hi def link cStorageClass StorageClass
      hi def link cInclude Include
      hi def link cPreProc PreProc
      hi def link cDefine Macro
      hi def link cIncluded cString
      hi def link cError Error
      hi def link cStatement Statement
      hi def link cCppInWrapper cCppOutWrapper
      hi def link cCppOutWrapper cPreCondit
      hi def link cPreConditMatch cPreCondit
      hi def link cPreCondit PreCondit
      hi def link cType Type
      hi def link cConstant Constant
      hi def link cCommentString cString
      hi def link cComment2String cString
      hi def link cCommentSkip cComment
      hi def link cString String
      hi def link cComment Comment
      hi def link cSpecial SpecialChar
      hi def link cTodo Todo
      hi def link cBadContinuation Error
      hi def link cCppOutSkip cCppOutIf2
      hi def link cCppInElse2 cCppOutIf2
      hi def link cCppOutIf2 cCppOut2 " Old syntax group for #if 0 body
      hi def link cCppOut2 cCppOut " Old syntax group for #if of #if 0
      hi def link cCppOut Comment

      let b:current_syntax = "c"

      let &cpo = s:cpo_save
      unlet s:cpo_save
      " vim: ts=8

      --
      Dogs must have a permit signed by the mayor in order to congregate in groups
      of three or more on private property.
      [real standing law in Oklahoma, United States of America]

      /// Bram Moolenaar -- Bram@... -- http://www.Moolenaar.net \\\
      /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
      \\\ an exciting new programming language -- http://www.Zimbu.org ///
      \\\ help me help AIDS victims -- http://ICCF-Holland.org ///

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    • Lucas De Marchi
      ... It s correctly highlighted now and with a quick look, I don t see any other problems. Thanks Lucas De Marchi -- You received this message from the
      Message 2 of 5 , May 3, 2012
      • 0 Attachment
        On Thu, May 3, 2012 at 4:05 PM, Bram Moolenaar <Bram@...> wrote:
        >
        > Lucas De Marchi wrote:
        >
        >> On Wed, May 2, 2012 at 3:55 PM, Bram Moolenaar <Bram@...> wrote:
        >> > The problem is that when we allow {} inside () then there is no way to
        >> > check for a missing ).  Therefore this is optional.
        >> > You can set the c_no_curly_error variable, see ":help c.vim".
        >>
        >> After setting that, { inside ( was not marked as an error, but the bug
        >> remained. The rest of the file is highlighted as if it was inside the
        >> string :(
        >
        > Hmm, there are some weird dependencies with extend and keepend.  Try the
        > c.vim file below.  It might introduce new problems though.

        It's correctly highlighted now and with a quick look, I don't see any
        other problems.

        Thanks
        Lucas De Marchi

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