1" Vim syntax file 2" Language: C 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2016 Jul 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 if !exists("c_no_bsd") 252 " These are BSD specific. 253 syn keyword cType u_int8_t u_int16_t u_int32_t u_int64_t 254 endif 255 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t 256 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t 257 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t 258 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t 259 syn keyword cType intptr_t uintptr_t 260 syn keyword cType intmax_t uintmax_t 261endif 262if exists("c_gnu") 263 syn keyword cType __label__ __complex__ __volatile__ 264endif 265 266syn keyword cStructure struct union enum typedef 267syn keyword cStorageClass static register auto volatile extern const 268if exists("c_gnu") 269 syn keyword cStorageClass inline __attribute__ 270endif 271if !exists("c_no_c99") && s:ft !=# 'cpp' 272 syn keyword cStorageClass inline restrict 273endif 274if !exists("c_no_c11") 275 syn keyword cStorageClass _Alignas alignas 276 syn keyword cOperator _Alignof alignof 277 syn keyword cStorageClass _Atomic 278 syn keyword cOperator _Generic 279 syn keyword cStorageClass _Noreturn noreturn 280 syn keyword cOperator _Static_assert static_assert 281 syn keyword cStorageClass _Thread_local thread_local 282 syn keyword cType char16_t char32_t 283endif 284 285if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu") 286 if exists("c_gnu") 287 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ __func__ 288 endif 289 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__ 290 syn keyword cConstant __STDC_VERSION__ 291 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX 292 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX 293 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN 294 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX 295 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN 296 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX 297 if !exists("c_no_c99") 298 syn keyword cConstant __func__ __VA_ARGS__ 299 syn keyword cConstant LLONG_MIN LLONG_MAX ULLONG_MAX 300 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN 301 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX 302 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX 303 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN 304 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX 305 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX 306 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN 307 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX 308 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX 309 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX 310 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX 311 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX 312 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX 313 endif 314 syn keyword cConstant FLT_RADIX FLT_ROUNDS 315 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON 316 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON 317 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON 318 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP 319 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP 320 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP 321 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP 322 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP 323 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP 324 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL 325 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY 326 syn keyword cConstant LC_NUMERIC LC_TIME 327 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN 328 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM 329 " Add POSIX signals as well... 330 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP 331 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV 332 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU 333 syn keyword cConstant SIGUSR1 SIGUSR2 334 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF 335 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam 336 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET 337 syn keyword cConstant TMP_MAX stderr stdin stdout 338 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX 339 " POSIX 2001 340 syn keyword cConstant SIGBUS SIGPOLL SIGPROF SIGSYS SIGURG 341 syn keyword cConstant SIGVTALRM SIGXCPU SIGXFSZ 342 " non-POSIX signals 343 syn keyword cConstant SIGWINCH SIGINFO 344 " Add POSIX errors as well 345 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY 346 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT 347 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR 348 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV 349 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS 350 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM 351 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV 352 " math.h 353 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4 354 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2 355endif 356if !exists("c_no_c99") " ISO C99 357 syn keyword cConstant true false 358endif 359 360" Accept %: for # (C99) 361syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" keepend contains=cComment,cCommentL,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError 362syn match cPreConditMatch display "^\s*\(%:\|#\)\s*\(else\|endif\)\>" 363if !exists("c_no_if0") 364 syn cluster cCppOutInGroup contains=cCppInIf,cCppInElse,cCppInElse2,cCppOutIf,cCppOutIf2,cCppOutElse,cCppInSkip,cCppOutSkip 365 syn region cCppOutWrapper start="^\s*\(%:\|#\)\s*if\s\+0\+\s*\($\|//\|/\*\|&\)" end=".\@=\|$" contains=cCppOutIf,cCppOutElse,@NoSpell fold 366 syn region cCppOutIf contained start="0\+" matchgroup=cCppOutWrapper end="^\s*\(%:\|#\)\s*endif\>" contains=cCppOutIf2,cCppOutElse 367 if !exists("c_no_if0_fold") 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 fold 369 else 370 syn region cCppOutIf2 contained matchgroup=cCppOutWrapper start="0\+" end="^\s*\(%:\|#\)\s*\(else\>\|elif\s\+\(0\+\s*\($\|//\|/\*\|&\)\)\@!\|endif\>\)"me=s-1 contains=cSpaceError,cCppOutSkip,@Spell 371 endif 372 syn region cCppOutElse contained matchgroup=cCppOutWrapper start="^\s*\(%:\|#\)\s*\(else\|elif\)" end="^\s*\(%:\|#\)\s*endif\>"me=s-1 contains=TOP,cPreCondit 373 syn region cCppInWrapper start="^\s*\(%:\|#\)\s*if\s\+0*[1-9]\d*\s*\($\|//\|/\*\||\)" end=".\@=\|$" contains=cCppInIf,cCppInElse fold 374 syn region cCppInIf contained matchgroup=cCppInWrapper start="\d\+" end="^\s*\(%:\|#\)\s*endif\>" contains=TOP,cPreCondit 375 if !exists("c_no_if0_fold") 376 syn region cCppInElse contained start="^\s*\(%:\|#\)\s*\(else\>\|elif\s\+\(0*[1-9]\d*\s*\($\|//\|/\*\||\)\)\@!\)" end=".\@=\|$" containedin=cCppInIf contains=cCppInElse2 fold 377 else 378 syn region cCppInElse contained start="^\s*\(%:\|#\)\s*\(else\>\|elif\s\+\(0*[1-9]\d*\s*\($\|//\|/\*\||\)\)\@!\)" end=".\@=\|$" containedin=cCppInIf contains=cCppInElse2 379 endif 380 syn region cCppInElse2 contained matchgroup=cCppInWrapper start="^\s*\(%:\|#\)\s*\(else\|elif\)\([^/]\|/[^/*]\)*" end="^\s*\(%:\|#\)\s*endif\>"me=s-1 contains=cSpaceError,cCppOutSkip,@Spell 381 syn region cCppOutSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppOutSkip 382 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 383endif 384syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+ 385syn match cIncluded display contained "<[^>]*>" 386syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded 387"syn match cLineSkip "\\$" 388syn 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 389syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 390syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 391 392" Highlight User Labels 393syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOutWrapper,cCppInWrapper,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString 394if s:ft ==# 'c' || exists("cpp_no_cpp11") 395 syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell,@cStringGroup 396endif 397" Avoid matching foo::bar() in C++ by requiring that the next char is not ':' 398syn cluster cLabelGroup contains=cUserLabel 399syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup 400syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup 401if s:ft ==# 'cpp' 402 syn match cUserCont display "^\s*\%(class\|struct\|enum\)\@!\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 403 syn match cUserCont display ";\s*\%(class\|struct\|enum\)\@!\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 404else 405 syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 406 syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 407endif 408 409syn match cUserLabel display "\I\i*" contained 410 411" Avoid recognizing most bitfields as labels 412syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType 413syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType 414 415if exists("c_minlines") 416 let b:c_minlines = c_minlines 417else 418 if !exists("c_no_if0") 419 let b:c_minlines = 50 " #if 0 constructs can be long 420 else 421 let b:c_minlines = 15 " mostly for () constructs 422 endif 423endif 424if exists("c_curly_error") 425 syn sync fromstart 426else 427 exec "syn sync ccomment cComment minlines=" . b:c_minlines 428endif 429 430" Define the default highlighting. 431" Only used when an item doesn't have highlighting yet 432hi def link cFormat cSpecial 433hi def link cCppString cString 434hi def link cCommentL cComment 435hi def link cCommentStart cComment 436hi def link cLabel Label 437hi def link cUserLabel Label 438hi def link cConditional Conditional 439hi def link cRepeat Repeat 440hi def link cCharacter Character 441hi def link cSpecialCharacter cSpecial 442hi def link cNumber Number 443hi def link cOctal Number 444hi def link cOctalZero PreProc " link this to Error if you want 445hi def link cFloat Float 446hi def link cOctalError cError 447hi def link cParenError cError 448hi def link cErrInParen cError 449hi def link cErrInBracket cError 450hi def link cCommentError cError 451hi def link cCommentStartError cError 452hi def link cSpaceError cError 453hi def link cSpecialError cError 454hi def link cCurlyError cError 455hi def link cOperator Operator 456hi def link cStructure Structure 457hi def link cStorageClass StorageClass 458hi def link cInclude Include 459hi def link cPreProc PreProc 460hi def link cDefine Macro 461hi def link cIncluded cString 462hi def link cError Error 463hi def link cStatement Statement 464hi def link cCppInWrapper cCppOutWrapper 465hi def link cCppOutWrapper cPreCondit 466hi def link cPreConditMatch cPreCondit 467hi def link cPreCondit PreCondit 468hi def link cType Type 469hi def link cConstant Constant 470hi def link cCommentString cString 471hi def link cComment2String cString 472hi def link cCommentSkip cComment 473hi def link cString String 474hi def link cComment Comment 475hi def link cSpecial SpecialChar 476hi def link cTodo Todo 477hi def link cBadContinuation Error 478hi def link cCppOutSkip cCppOutIf2 479hi def link cCppInElse2 cCppOutIf2 480hi def link cCppOutIf2 cCppOut 481hi def link cCppOut Comment 482 483let b:current_syntax = "c" 484 485unlet s:ft 486 487let &cpo = s:cpo_save 488unlet s:cpo_save 489" vim: ts=8 490