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Diffstat (limited to 'runtime/syntax/c.vim')
| -rw-r--r-- | runtime/syntax/c.vim | 494 |
1 files changed, 494 insertions, 0 deletions
diff --git a/runtime/syntax/c.vim b/runtime/syntax/c.vim new file mode 100644 index 0000000..95d3455 --- /dev/null +++ b/runtime/syntax/c.vim @@ -0,0 +1,494 @@ +" Vim syntax file +" Language: C +" Maintainer: Bram Moolenaar <Bram@vim.org> +" Last Change: 2018 Sep 21 + +" 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 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 |