1" Vim syntax file 2" Language: C 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2016 Apr 07 5 6" Quit when a (custom) syntax file was already loaded 7if exists("b:current_syntax") 8 finish 9endif 10 11let s:cpo_save = &cpo 12set cpo&vim 13 14let s:ft = matchstr(&ft, '^\([^.]\)\+') 15 16" A bunch of useful C keywords 17syn keyword cStatement goto break return continue asm 18syn keyword cLabel case default 19syn keyword cConditional if else switch 20syn keyword cRepeat while for do 21 22syn keyword cTodo contained TODO FIXME XXX 23 24" It's easy to accidentally add a space after a backslash that was intended 25" for line continuation. Some compilers allow it, which makes it 26" unpredictable and should be avoided. 27syn match cBadContinuation contained "\\\s\+$" 28 29" cCommentGroup allows adding matches for special things in comments 30syn cluster cCommentGroup contains=cTodo,cBadContinuation 31 32" String and Character constants 33" Highlight special characters (those which have a backslash) differently 34syn match cSpecial display contained "\\\(x\x\+\|\o\{1,3}\|.\|$\)" 35if !exists("c_no_utf") 36 syn match cSpecial display contained "\\\(u\x\{4}\|U\x\{8}\)" 37endif 38 39if !exists("c_no_cformat") 40 " Highlight % items in strings. 41 if !exists("c_no_c99") " ISO C99 42 syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlLjzt]\|ll\|hh\)\=\([aAbdiuoxXDOUfFeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained 43 else 44 syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([bdiuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained 45 endif 46 syn match cFormat display "%%" contained 47endif 48 49" cCppString: same as cString, but ends at end of line 50if s:ft ==# "cpp" && !exists("cpp_no_cpp11") && !exists("c_no_cformat") 51 " ISO C++11 52 syn region cString start=+\(L\|u\|u8\|U\|R\|LR\|u8R\|uR\|UR\)\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend 53 syn region cCppString start=+\(L\|u\|u8\|U\|R\|LR\|u8R\|uR\|UR\)\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell 54elseif s:ft ==# "c" && !exists("c_no_c11") && !exists("c_no_cformat") 55 " ISO C99 56 syn region cString start=+\%(L\|U\|u8\)\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend 57 syn region cCppString start=+\%(L\|U\|u8\)\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell 58else 59 " older C or C++ 60 syn match cFormat display "%%" contained 61 syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend 62 syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell 63endif 64 65syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip 66 67syn cluster cStringGroup contains=cCppString,cCppSkip 68 69syn match cCharacter "L\='[^\\]'" 70syn match cCharacter "L'[^']*'" contains=cSpecial 71if exists("c_gnu") 72 syn match cSpecialError "L\='\\[^'\"?\\abefnrtv]'" 73 syn match cSpecialCharacter "L\='\\['\"?\\abefnrtv]'" 74else 75 syn match cSpecialError "L\='\\[^'\"?\\abfnrtv]'" 76 syn match cSpecialCharacter "L\='\\['\"?\\abfnrtv]'" 77endif 78syn match cSpecialCharacter display "L\='\\\o\{1,3}'" 79syn match cSpecialCharacter display "'\\x\x\{1,2}'" 80syn match cSpecialCharacter display "L'\\x\x\+'" 81 82if (s:ft ==# "c" && !exists("c_no_c11")) || (s:ft ==# "cpp" && !exists("cpp_no_cpp11")) 83 " ISO C11 or ISO C++ 11 84 if exists("c_no_cformat") 85 syn region cString start=+\%(U\|u8\=\)"+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,@Spell extend 86 else 87 syn region cString start=+\%(U\|u8\=\)"+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend 88 endif 89 syn match cCharacter "[Uu]'[^\\]'" 90 syn match cCharacter "[Uu]'[^']*'" contains=cSpecial 91 if exists("c_gnu") 92 syn match cSpecialError "[Uu]'\\[^'\"?\\abefnrtv]'" 93 syn match cSpecialCharacter "[Uu]'\\['\"?\\abefnrtv]'" 94 else 95 syn match cSpecialError "[Uu]'\\[^'\"?\\abfnrtv]'" 96 syn match cSpecialCharacter "[Uu]'\\['\"?\\abfnrtv]'" 97 endif 98 syn match cSpecialCharacter display "[Uu]'\\\o\{1,3}'" 99 syn match cSpecialCharacter display "[Uu]'\\x\x\+'" 100endif 101 102"when wanted, highlight trailing white space 103if exists("c_space_errors") 104 if !exists("c_no_trail_space_error") 105 syn match cSpaceError display excludenl "\s\+$" 106 endif 107 if !exists("c_no_tab_space_error") 108 syn match cSpaceError display " \+\t"me=e-1 109 endif 110endif 111 112" This should be before cErrInParen to avoid problems with #define ({ xxx }) 113if exists("c_curly_error") 114 syn match cCurlyError "}" 115 syn region cBlock start="{" end="}" contains=ALLBUT,cBadBlock,cCurlyError,@cParenGroup,cErrInParen,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell fold 116else 117 syn region cBlock start="{" end="}" transparent fold 118endif 119 120" Catch errors caused by wrong parenthesis and brackets. 121" Also accept <% for {, %> for }, <: for [ and :> for ] (C99) 122" But avoid matching <::. 123syn cluster cParenGroup contains=cParenError,cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserLabel,cBitField,cOctalZero,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom 124if exists("c_no_curly_error") 125 if s:ft ==# 'cpp' && !exists("cpp_no_cpp11") 126 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,@cStringGroup,@Spell 127 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 128 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 129 syn match cParenError display ")" 130 syn match cErrInParen display contained "^^<%\|^%>" 131 else 132 syn region cParen transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,@cStringGroup,@Spell 133 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 134 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 135 syn match cParenError display ")" 136 syn match cErrInParen display contained "^[{}]\|^<%\|^%>" 137 endif 138elseif exists("c_no_bracket_error") 139 if s:ft ==# 'cpp' && !exists("cpp_no_cpp11") 140 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,@cStringGroup,@Spell 141 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 142 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 143 syn match cParenError display ")" 144 syn match cErrInParen display contained "<%\|%>" 145 else 146 syn region cParen transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,@cStringGroup,@Spell 147 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 148 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 149 syn match cParenError display ")" 150 syn match cErrInParen display contained "[{}]\|<%\|%>" 151 endif 152else 153 if s:ft ==# 'cpp' && !exists("cpp_no_cpp11") 154 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell 155 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 156 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell 157 syn match cParenError display "[\])]" 158 syn match cErrInParen display contained "<%\|%>" 159 syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,@cStringGroup,@Spell 160 else 161 syn region cParen transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell 162 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 163 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell 164 syn match cParenError display "[\])]" 165 syn match cErrInParen display contained "[\]{}]\|<%\|%>" 166 syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cErrInParen,cCppParen,cCppBracket,@cStringGroup,@Spell 167 endif 168 " cCppBracket: same as cParen but ends at end-of-line; used in cDefine 169 syn region cCppBracket transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell 170 syn match cErrInBracket display contained "[);{}]\|<%\|%>" 171endif 172 173if s:ft ==# 'c' || exists("cpp_no_cpp11") 174 syn region cBadBlock keepend start="{" end="}" contained containedin=cParen,cBracket,cBadBlock transparent fold 175endif 176 177"integer number, or floating point number without a dot and with "f". 178syn case ignore 179syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal 180" Same, but without octal error (for comments) 181syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal 182syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>" 183"hex number 184syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>" 185" Flag the first zero of an octal number as something special 186syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero 187syn match cOctalZero display contained "\<0" 188syn match cFloat display contained "\d\+f" 189"floating point number, with dot, optional exponent 190syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=" 191"floating point number, starting with a dot, optional exponent 192syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>" 193"floating point number, without dot, with exponent 194syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>" 195if !exists("c_no_c99") 196 "hexadecimal floating point number, optional leading digits, with dot, with exponent 197 syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>" 198 "hexadecimal floating point number, with leading digits, optional dot, with exponent 199 syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>" 200endif 201 202" flag an octal number with wrong digits 203syn match cOctalError display contained "0\o*[89]\d*" 204syn case match 205 206if exists("c_comment_strings") 207 " A comment can contain cString, cCharacter and cNumber. 208 " But a "*/" inside a cString in a cComment DOES end the comment! So we 209 " need to use a special type of cString: cCommentString, which also ends on 210 " "*/", and sees a "*" at the start of the line as comment again. 211 " Unfortunately this doesn't very well work for // type of comments :-( 212 syn match cCommentSkip contained "^\s*\*\($\|\s\+\)" 213 syn region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip 214 syn region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial 215 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell 216 if exists("c_no_comment_fold") 217 " Use "extend" here to have preprocessor lines not terminate halfway a 218 " comment. 219 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell extend 220 else 221 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold extend 222 endif 223else 224 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell 225 if exists("c_no_comment_fold") 226 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell extend 227 else 228 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold extend 229 endif 230endif 231" keep a // comment separately, it terminates a preproc. conditional 232syn match cCommentError display "\*/" 233syn match cCommentStartError display "/\*"me=e-1 contained 234 235syn keyword cOperator sizeof 236if exists("c_gnu") 237 syn keyword cStatement __asm__ 238 syn keyword cOperator typeof __real__ __imag__ 239endif 240syn keyword cType int long short char void 241syn keyword cType signed unsigned float double 242if !exists("c_no_ansi") || exists("c_ansi_typedefs") 243 syn keyword cType size_t ssize_t off_t wchar_t ptrdiff_t sig_atomic_t fpos_t 244 syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t 245 syn keyword cType mbstate_t wctrans_t wint_t wctype_t 246endif 247if !exists("c_no_c99") " ISO C99 248 syn keyword cType _Bool bool _Complex complex _Imaginary imaginary 249 syn keyword cType int8_t int16_t int32_t int64_t 250 syn keyword cType uint8_t uint16_t uint32_t uint64_t 251 " These are BSD specific? 252 syn keyword cType u_int8_t u_int16_t u_int32_t u_int64_t 253 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t 254 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t 255 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t 256 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t 257 syn keyword cType intptr_t uintptr_t 258 syn keyword cType intmax_t uintmax_t 259endif 260if exists("c_gnu") 261 syn keyword cType __label__ __complex__ __volatile__ 262endif 263 264syn keyword cStructure struct union enum typedef 265syn keyword cStorageClass static register auto volatile extern const 266if exists("c_gnu") 267 syn keyword cStorageClass inline __attribute__ 268endif 269if !exists("c_no_c99") && s:ft !=# 'cpp' 270 syn keyword cStorageClass inline restrict 271endif 272if !exists("c_no_c11") 273 syn keyword cStorageClass _Alignas alignas 274 syn keyword cOperator _Alignof alignof 275 syn keyword cStorageClass _Atomic 276 syn keyword cOperator _Generic 277 syn keyword cStorageClass _Noreturn noreturn 278 syn keyword cOperator _Static_assert static_assert 279 syn keyword cStorageClass _Thread_local thread_local 280 syn keyword cType char16_t char32_t 281endif 282 283if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu") 284 if exists("c_gnu") 285 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ __func__ 286 endif 287 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__ 288 syn keyword cConstant __STDC_VERSION__ 289 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX 290 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX 291 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN 292 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX 293 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN 294 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX 295 if !exists("c_no_c99") 296 syn keyword cConstant __func__ 297 syn keyword cConstant LLONG_MIN LLONG_MAX ULLONG_MAX 298 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN 299 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX 300 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX 301 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN 302 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX 303 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX 304 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN 305 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX 306 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX 307 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX 308 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX 309 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX 310 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX 311 endif 312 syn keyword cConstant FLT_RADIX FLT_ROUNDS 313 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON 314 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON 315 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON 316 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP 317 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP 318 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP 319 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP 320 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP 321 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP 322 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL 323 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY 324 syn keyword cConstant LC_NUMERIC LC_TIME 325 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN 326 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM 327 " Add POSIX signals as well... 328 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP 329 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV 330 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU 331 syn keyword cConstant SIGUSR1 SIGUSR2 332 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF 333 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam 334 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET 335 syn keyword cConstant TMP_MAX stderr stdin stdout 336 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX 337 " POSIX 2001 338 syn keyword cConstant SIGBUS SIGPOLL SIGPROF SIGSYS SIGURG 339 syn keyword cConstant SIGVTALRM SIGXCPU SIGXFSZ 340 " non-POSIX signals 341 syn keyword cConstant SIGWINCH SIGINFO 342 " Add POSIX errors as well 343 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY 344 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT 345 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR 346 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV 347 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS 348 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM 349 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV 350 " math.h 351 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4 352 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2 353endif 354if !exists("c_no_c99") " ISO C99 355 syn keyword cConstant true false 356endif 357 358" Accept %: for # (C99) 359syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" keepend contains=cComment,cCommentL,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError 360syn match cPreConditMatch display "^\s*\(%:\|#\)\s*\(else\|endif\)\>" 361if !exists("c_no_if0") 362 syn cluster cCppOutInGroup contains=cCppInIf,cCppInElse,cCppInElse2,cCppOutIf,cCppOutIf2,cCppOutElse,cCppInSkip,cCppOutSkip 363 syn region cCppOutWrapper start="^\s*\(%:\|#\)\s*if\s\+0\+\s*\($\|//\|/\*\|&\)" end=".\@=\|$" contains=cCppOutIf,cCppOutElse,@NoSpell fold 364 syn region cCppOutIf contained start="0\+" matchgroup=cCppOutWrapper end="^\s*\(%:\|#\)\s*endif\>" contains=cCppOutIf2,cCppOutElse 365 if !exists("c_no_if0_fold") 366 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 367 else 368 syn region cCppOutIf2 contained matchgroup=cCppOutWrapper start="0\+" end="^\s*\(%:\|#\)\s*\(else\>\|elif\s\+\(0\+\s*\($\|//\|/\*\|&\)\)\@!\|endif\>\)"me=s-1 contains=cSpaceError,cCppOutSkip,@Spell 369 endif 370 syn region cCppOutElse contained matchgroup=cCppOutWrapper start="^\s*\(%:\|#\)\s*\(else\|elif\)" end="^\s*\(%:\|#\)\s*endif\>"me=s-1 contains=TOP,cPreCondit 371 syn region cCppInWrapper start="^\s*\(%:\|#\)\s*if\s\+0*[1-9]\d*\s*\($\|//\|/\*\||\)" end=".\@=\|$" contains=cCppInIf,cCppInElse fold 372 syn region cCppInIf contained matchgroup=cCppInWrapper start="\d\+" end="^\s*\(%:\|#\)\s*endif\>" contains=TOP,cPreCondit 373 if !exists("c_no_if0_fold") 374 syn region cCppInElse contained start="^\s*\(%:\|#\)\s*\(else\>\|elif\s\+\(0*[1-9]\d*\s*\($\|//\|/\*\||\)\)\@!\)" end=".\@=\|$" containedin=cCppInIf contains=cCppInElse2 fold 375 else 376 syn region cCppInElse contained start="^\s*\(%:\|#\)\s*\(else\>\|elif\s\+\(0*[1-9]\d*\s*\($\|//\|/\*\||\)\)\@!\)" end=".\@=\|$" containedin=cCppInIf contains=cCppInElse2 377 endif 378 syn region cCppInElse2 contained matchgroup=cCppInWrapper start="^\s*\(%:\|#\)\s*\(else\|elif\)\([^/]\|/[^/*]\)*" end="^\s*\(%:\|#\)\s*endif\>"me=s-1 contains=cSpaceError,cCppOutSkip,@Spell 379 syn region cCppOutSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppOutSkip 380 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 381endif 382syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+ 383syn match cIncluded display contained "<[^>]*>" 384syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded 385"syn match cLineSkip "\\$" 386syn 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 387syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 388syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 389 390" Highlight User Labels 391syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOutWrapper,cCppInWrapper,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString 392if s:ft ==# 'c' || exists("cpp_no_cpp11") 393 syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell,@cStringGroup 394endif 395" Avoid matching foo::bar() in C++ by requiring that the next char is not ':' 396syn cluster cLabelGroup contains=cUserLabel 397syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup 398syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup 399if s:ft ==# 'cpp' 400 syn match cUserCont display "^\s*\%(class\|struct\|enum\)\@!\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 401 syn match cUserCont display ";\s*\%(class\|struct\|enum\)\@!\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 402else 403 syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 404 syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 405endif 406 407syn match cUserLabel display "\I\i*" contained 408 409" Avoid recognizing most bitfields as labels 410syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType 411syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType 412 413if exists("c_minlines") 414 let b:c_minlines = c_minlines 415else 416 if !exists("c_no_if0") 417 let b:c_minlines = 50 " #if 0 constructs can be long 418 else 419 let b:c_minlines = 15 " mostly for () constructs 420 endif 421endif 422if exists("c_curly_error") 423 syn sync fromstart 424else 425 exec "syn sync ccomment cComment minlines=" . b:c_minlines 426endif 427 428" Define the default highlighting. 429" Only used when an item doesn't have highlighting yet 430hi def link cFormat cSpecial 431hi def link cCppString cString 432hi def link cCommentL cComment 433hi def link cCommentStart cComment 434hi def link cLabel Label 435hi def link cUserLabel Label 436hi def link cConditional Conditional 437hi def link cRepeat Repeat 438hi def link cCharacter Character 439hi def link cSpecialCharacter cSpecial 440hi def link cNumber Number 441hi def link cOctal Number 442hi def link cOctalZero PreProc " link this to Error if you want 443hi def link cFloat Float 444hi def link cOctalError cError 445hi def link cParenError cError 446hi def link cErrInParen cError 447hi def link cErrInBracket cError 448hi def link cCommentError cError 449hi def link cCommentStartError cError 450hi def link cSpaceError cError 451hi def link cSpecialError cError 452hi def link cCurlyError cError 453hi def link cOperator Operator 454hi def link cStructure Structure 455hi def link cStorageClass StorageClass 456hi def link cInclude Include 457hi def link cPreProc PreProc 458hi def link cDefine Macro 459hi def link cIncluded cString 460hi def link cError Error 461hi def link cStatement Statement 462hi def link cCppInWrapper cCppOutWrapper 463hi def link cCppOutWrapper cPreCondit 464hi def link cPreConditMatch cPreCondit 465hi def link cPreCondit PreCondit 466hi def link cType Type 467hi def link cConstant Constant 468hi def link cCommentString cString 469hi def link cComment2String cString 470hi def link cCommentSkip cComment 471hi def link cString String 472hi def link cComment Comment 473hi def link cSpecial SpecialChar 474hi def link cTodo Todo 475hi def link cBadContinuation Error 476hi def link cCppOutSkip cCppOutIf2 477hi def link cCppInElse2 cCppOutIf2 478hi def link cCppOutIf2 cCppOut 479hi def link cCppOut Comment 480 481let b:current_syntax = "c" 482 483unlet s:ft 484 485let &cpo = s:cpo_save 486unlet s:cpo_save 487" vim: ts=8 488