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" Vim syntax file
" Language: C
" Maintainer: Bram Moolenaar <Bram@vim.org>
" Last Change: 2019 Feb 11
" Quit when a (custom) syntax file was already loaded
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
let s:ft = matchstr(&ft, '^\([^.]\)\+')
" Optional embedded Autodoc parsing
" To enable it add: let g:c_autodoc = 1
" to your .vimrc
if exists("c_autodoc")
syn include @cAutodoc <sfile>:p:h/autodoc.vim
unlet b:current_syntax
endif
" 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
" unpredictable 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")
" Highlight % items in strings.
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
endif
" cCppString: same as cString, but ends at end of line
if s:ft ==# "cpp" && !exists("cpp_no_cpp11") && !exists("c_no_cformat")
" ISO C++11
syn region cString start=+\(L\|u\|u8\|U\|R\|LR\|u8R\|uR\|UR\)\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend
syn region cCppString start=+\(L\|u\|u8\|U\|R\|LR\|u8R\|uR\|UR\)\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell
elseif s:ft ==# "c" && !exists("c_no_c11") && !exists("c_no_cformat")
" ISO C99
syn region cString start=+\%(L\|U\|u8\)\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend
syn region cCppString start=+\%(L\|U\|u8\)\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell
else
" older C or C++
syn match cFormat display "%%" contained
syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend
syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell
endif
syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip
syn cluster cStringGroup contains=cCppString,cCppSkip
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 (s:ft ==# "c" && !exists("c_no_c11")) || (s:ft ==# "cpp" && !exists("cpp_no_cpp11"))
" ISO C11 or ISO C++ 11
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\+$"
endif
if !exists("c_no_tab_space_error")
syn match cSpaceError display " \+\t"me=e-1
endif
endif
" This should be before cErrInParen to avoid problems with #define ({ xxx })
if exists("c_curly_error")
syn match cCurlyError "}"
syn region cBlock start="{" end="}" contains=ALLBUT,cBadBlock,cCurlyError,@cParenGroup,cErrInParen,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell fold
else
syn region cBlock start="{" end="}" transparent fold
endif
" Catch errors caused by wrong parenthesis and brackets.
" Also accept <% for {, %> for }, <: for [ and :> for ] (C99)
" But avoid matching <::.
syn cluster cParenGroup contains=cParenError,cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserLabel,cBitField,cOctalZero,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom
if exists("c_no_curly_error")
if s:ft ==# 'cpp' && !exists("cpp_no_cpp11")
syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,@cStringGroup,@Spell
" cCppParen: same as cParen but ends at end-of-line; used in cDefine
syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell
syn match cParenError display ")"
syn match cErrInParen display contained "^^<%\|^%>"
else
syn region cParen transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,@cStringGroup,@Spell
" cCppParen: same as cParen but ends at end-of-line; used in cDefine
syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell
syn match cParenError display ")"
syn match cErrInParen display contained "^[{}]\|^<%\|^%>"
endif
elseif exists("c_no_bracket_error")
if s:ft ==# 'cpp' && !exists("cpp_no_cpp11")
syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,@cStringGroup,@Spell
" cCppParen: same as cParen but ends at end-of-line; used in cDefine
syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell
syn match cParenError display ")"
syn match cErrInParen display contained "<%\|%>"
else
syn region cParen transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,@cStringGroup,@Spell
" cCppParen: same as cParen but ends at end-of-line; used in cDefine
syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell
syn match cParenError display ")"
syn match cErrInParen display contained "[{}]\|<%\|%>"
endif
else
if s:ft ==# 'cpp' && !exists("cpp_no_cpp11")
syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell
" cCppParen: same as cParen but ends at end-of-line; used in cDefine
syn region cCppParen transparent start='(' skip='\\$' 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='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,@cStringGroup,@Spell
else
syn region cParen transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell
" cCppParen: same as cParen but ends at end-of-line; used in cDefine
syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell
syn match cParenError display "[\])]"
syn match cErrInParen display contained "[\]{}]\|<%\|%>"
syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cErrInParen,cCppParen,cCppBracket,@cStringGroup,@Spell
endif
" 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
if s:ft ==# 'c' || exists("cpp_no_cpp11")
syn region cBadBlock keepend start="{" end="}" contained containedin=cParen,cBracket,cBadBlock transparent fold
endif
"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 :-(
syn match cCommentSkip contained "^\s*\*\($\|\s\+\)"
syn region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip
syn region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial
syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,cWrongComTail,@Spell
if exists("c_no_comment_fold")
" Use "extend" here to have preprocessor lines not terminate halfway a
" comment.
syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell extend
else
syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold extend
endif
else
syn region cCommentL start="//" skip="\\$" 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
syn match cCommentError display "\*/"
syn match cCommentStartError display "/\*"me=e-1 contained
syn match cWrongComTail display "\*/"
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
if !exists("c_no_bsd")
" These are BSD specific.
syn keyword cType u_int8_t u_int16_t u_int32_t u_int64_t
endif
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") && s:ft !=# 'cpp'
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__ __VA_ARGS__
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 FLT_DIG FLT_MANT_DIG FLT_EPSILON DBL_DIG DBL_MANT_DIG DBL_EPSILON
syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP FLT_MIN_10_EXP FLT_MAX_10_EXP
syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP DBL_MIN_10_EXP DBL_MAX_10_EXP LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP
syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP HUGE_VAL CLOCKS_PER_SEC NULL LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY
syn keyword cConstant LC_NUMERIC LC_TIME SIG_DFL SIG_ERR SIG_IGN SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM
" Add POSIX signals as well...
syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV
syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGUSR1 SIGUSR2
syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF FOPEN_MAX FILENAME_MAX L_tmpnam
syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET TMP_MAX stderr stdin stdout EXIT_FAILURE EXIT_SUCCESS RAND_MAX
" POSIX 2001
syn keyword cConstant SIGBUS SIGPOLL SIGPROF SIGSYS SIGURG SIGVTALRM SIGXCPU SIGXFSZ
" non-POSIX signals
syn keyword cConstant SIGWINCH SIGINFO
" Add POSIX errors as well. List comes from:
" http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
syn keyword cConstant E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EAFNOSUPPORT EAGAIN EALREADY EBADF
syn keyword cConstant EBADMSG EBUSY ECANCELED ECHILD ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK
syn keyword cConstant EDESTADDRREQ EDOM EDQUOT EEXIST EFAULT EFBIG EHOSTUNREACH EIDRM EILSEQ
syn keyword cConstant EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE
syn keyword cConstant EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA
syn keyword cConstant ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENOPROTOOPT ENOSPC ENOSR
syn keyword cConstant ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTRECOVERABLE ENOTSOCK ENOTSUP
syn keyword cConstant ENOTTY ENXIO EOPNOTSUPP EOVERFLOW EOWNERDEAD EPERM EPIPE EPROTO
syn keyword cConstant EPROTONOSUPPORT EPROTOTYPE ERANGE EROFS ESPIPE ESRCH ESTALE ETIME ETIMEDOUT
syn keyword cConstant ETXTBSY EWOULDBLOCK 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*\zs\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" keepend contains=cComment,cCommentL,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError
syn match cPreConditMatch display "^\s*\zs\(%:\|#\)\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*\zs\(%:\|#\)\s*if\s\+0\+\s*\($\|//\|/\*\|&\)" end=".\@=\|$" contains=cCppOutIf,cCppOutElse,@NoSpell 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,@Spell 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,@Spell
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*\zs\(%:\|#\)\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,@Spell
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*\zs\(%:\|#\)\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*\zs\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell
syn region cPreProc start="^\s*\zs\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell
" Optional embedded Autodoc parsing
if exists("c_autodoc")
syn match cAutodocReal display contained "\%(//\|[/ \t\v]\*\|^\*\)\@2<=!.*" contains=@cAutodoc containedin=cComment,cCommentL
syn cluster cCommentGroup add=cAutodocReal
syn cluster cPreProcGroup add=cAutodocReal
endif
" 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
if s:ft ==# 'c' || exists("cpp_no_cpp11")
syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell,@cStringGroup
endif
" Avoid matching foo::bar() in C++ by requiring that the next char is not ':'
syn cluster cLabelGroup contains=cUserLabel
syn match cUserCont display "^\s*\zs\I\i*\s*:$" contains=@cLabelGroup
syn match cUserCont display ";\s*\zs\I\i*\s*:$" contains=@cLabelGroup
if s:ft ==# 'cpp'
syn match cUserCont display "^\s*\zs\%(class\|struct\|enum\)\@!\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
syn match cUserCont display ";\s*\zs\%(class\|struct\|enum\)\@!\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
else
syn match cUserCont display "^\s*\zs\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
syn match cUserCont display ";\s*\zs\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
endif
syn match cUserLabel display "\I\i*" contained
" Avoid recognizing most bitfields as labels
syn match cBitField display "^\s*\zs\I\i*\s*:\s*[1-9]"me=e-1 contains=cType
syn match cBitField display ";\s*\zs\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 cWrongComTail 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 cCppOut
hi def link cCppOut Comment
let b:current_syntax = "c"
unlet s:ft
let &cpo = s:cpo_save
unlet s:cpo_save
" vim: ts=8
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