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" Vim syntax file " Language: C " Maintainer: The Vim Project <https://github.com/vim/vim> " Last Change: 2023 Aug 10 " Former Maintainer: Bram Moolenaar <Bram@vim.org> " 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, '^\%([^.]\)\+') " check if this was included from cpp.vim let s:in_cpp_family = exists("b:filetype_in_cpp_family") " 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:in_cpp_family && !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:in_cpp_family && !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\+$" endif if !exists("c_no_tab_space_error") syn match cSpaceError display " \+\t"me=e-1 endif endif " This should be before cErrInParen to avoid problems with #define ({ xxx }) if exists("c_curly_error") syn match cCurlyError "}" syn region cBlock start="{" end="}" contains=ALLBUT,cBadBlock,cCurlyError,@cParenGroup,cErrInParen,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell fold else syn region cBlock start="{" end="}" transparent fold endif " Catch errors caused by wrong parenthesis and brackets. " Also accept <% for {, %> for }, <: for [ and :> for ] (C99) " But avoid matching <::. syn cluster cParenGroup contains=cParenError,cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserLabel,cBitField,cOctalZero,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom if exists("c_no_curly_error") if s:in_cpp_family && !exists("cpp_no_cpp11") syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,@cStringGroup,@Spell " cCppParen: same as cParen but ends at end-of-line; used in cDefine syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell syn match cParenError display ")" syn match cErrInParen display contained "^^<%\|^%>" else syn region cParen transparent start='(' end=')' contains=ALLBUT,cBlock,@cParenGroup,cCppParen,@cStringGroup,@Spell " cCppParen: same as cParen but ends at end-of-line; used in cDefine syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell syn match cParenError display ")" syn match cErrInParen display contained "^[{}]\|^<%\|^%>" endif elseif exists("c_no_bracket_error") if s:in_cpp_family && !exists("cpp_no_cpp11") syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,@cStringGroup,@Spell " cCppParen: same as cParen but ends at end-of-line; used in cDefine syn region cCppParen transparent start='(' skip='\\$' 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='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell syn match cParenError display ")" syn match cErrInParen display contained "[{}]\|<%\|%>" endif else if s:in_cpp_family && !exists("cpp_no_cpp11") syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell " cCppParen: same as cParen but ends at end-of-line; used in cDefine syn region cCppParen transparent start='(' skip='\\$' 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" "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 cType __label__ __complex__ syn keyword cStatement __asm__ syn keyword cOperator __alignof__ syn keyword cOperator typeof __typeof__ syn keyword cOperator __real__ __imag__ syn keyword cStorageClass __attribute__ __const__ __extension__ syn keyword cStorageClass inline __inline__ syn keyword cStorageClass __restrict__ __volatile__ __noreturn__ 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 syn keyword cTypedef typedef syn keyword cStructure struct union enum syn keyword cStorageClass static register auto volatile extern const if !exists("c_no_c99") && !s:in_cpp_family 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 syn keyword cType max_align_t " C11 atomics (take down the shield wall!) syn keyword cType atomic_bool atomic_char atomic_schar atomic_uchar syn keyword Ctype atomic_short atomic_ushort atomic_int atomic_uint syn keyword cType atomic_long atomic_ulong atomic_llong atomic_ullong syn keyword cType atomic_char16_t atomic_char32_t atomic_wchar_t syn keyword cType atomic_int_least8_t atomic_uint_least8_t syn keyword cType atomic_int_least16_t atomic_uint_least16_t syn keyword cType atomic_int_least32_t atomic_uint_least32_t syn keyword cType atomic_int_least64_t atomic_uint_least64_t syn keyword cType atomic_int_fast8_t atomic_uint_fast8_t syn keyword cType atomic_int_fast16_t atomic_uint_fast16_t syn keyword cType atomic_int_fast32_t atomic_uint_fast32_t syn keyword cType atomic_int_fast64_t atomic_uint_fast64_t syn keyword cType atomic_intptr_t atomic_uintptr_t syn keyword cType atomic_size_t atomic_ptrdiff_t syn keyword cType atomic_intmax_t atomic_uintmax_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__ __STDC_VERSION__ __STDC_HOSTED__ 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 EXIT_FAILURE EXIT_SUCCESS RAND_MAX syn keyword cConstant stdin stdout stderr " POSIX 2001, in unistd.h syn keyword cConstant STDIN_FILENO STDOUT_FILENO STDERR_FILENO " used in assert.h syn keyword cConstant NDEBUG " 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 " be able to fold #pragma regions syn region cPragma start="^\s*#pragma\s\+region\>" end="^\s*#pragma\s\+endregion\>" transparent keepend extend fold " 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:in_cpp_family 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 cTypedef 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