1" Vim syntax file 2" Language: C 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2005 Jan 26 5 6" For version 5.x: Clear all syntax items 7" For version 6.x: Quit when a syntax file was already loaded 8if version < 600 9 syntax clear 10elseif exists("b:current_syntax") 11 finish 12endif 13 14" A bunch of useful C keywords 15syn keyword cStatement goto break return continue asm 16syn keyword cLabel case default 17syn keyword cConditional if else switch 18syn keyword cRepeat while for do 19 20syn keyword cTodo contained TODO FIXME XXX 21 22" cCommentGroup allows adding matches for special things in comments 23syn cluster cCommentGroup contains=cTodo 24 25" String and Character constants 26" Highlight special characters (those which have a backslash) differently 27syn match cSpecial display contained "\\\(x\x\+\|\o\{1,3}\|.\|$\)" 28if !exists("c_no_utf") 29 syn match cSpecial display contained "\\\(u\x\{4}\|U\x\{8}\)" 30endif 31if exists("c_no_cformat") 32 syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,@Spell 33 " cCppString: same as cString, but ends at end of line 34 syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,@Spell 35else 36 syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([bdiuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained 37 syn match cFormat display "%%" contained 38 syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell 39 " cCppString: same as cString, but ends at end of line 40 syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell 41endif 42 43syn match cCharacter "L\='[^\\]'" 44syn match cCharacter "L'[^']*'" contains=cSpecial 45if exists("c_gnu") 46 syn match cSpecialError "L\='\\[^'\"?\\abefnrtv]'" 47 syn match cSpecialCharacter "L\='\\['\"?\\abefnrtv]'" 48else 49 syn match cSpecialError "L\='\\[^'\"?\\abfnrtv]'" 50 syn match cSpecialCharacter "L\='\\['\"?\\abfnrtv]'" 51endif 52syn match cSpecialCharacter display "L\='\\\o\{1,3}'" 53syn match cSpecialCharacter display "'\\x\x\{1,2}'" 54syn match cSpecialCharacter display "L'\\x\x\+'" 55 56"when wanted, highlight trailing white space 57if exists("c_space_errors") 58 if !exists("c_no_trail_space_error") 59 syn match cSpaceError display excludenl "\s\+$" 60 endif 61 if !exists("c_no_tab_space_error") 62 syn match cSpaceError display " \+\t"me=e-1 63 endif 64endif 65 66"catch errors caused by wrong parenthesis and brackets 67" also accept <% for {, %> for }, <: for [ and :> for ] (C99) 68" But avoid matching <::. 69syn cluster cParenGroup contains=cParenError,cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cCommentSkip,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom 70if exists("c_no_curly_error") 71 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell 72 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 73 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 74 syn match cParenError display ")" 75 syn match cErrInParen display contained "^[{}]\|^<%\|^%>" 76elseif exists("c_no_bracket_error") 77 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell 78 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 79 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 80 syn match cParenError display ")" 81 syn match cErrInParen display contained "[{}]\|<%\|%>" 82else 83 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell 84 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 85 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell 86 syn match cParenError display "[\])]" 87 syn match cErrInParen display contained "[\]{}]\|<%\|%>" 88 syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,cCppString,@Spell 89 " cCppBracket: same as cParen but ends at end-of-line; used in cDefine 90 syn region cCppBracket transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell 91 syn match cErrInBracket display contained "[);{}]\|<%\|%>" 92endif 93 94"integer number, or floating point number without a dot and with "f". 95syn case ignore 96syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal 97" Same, but without octal error (for comments) 98syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal 99syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>" 100"hex number 101syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>" 102" Flag the first zero of an octal number as something special 103syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero 104syn match cOctalZero display contained "\<0" 105syn match cFloat display contained "\d\+f" 106"floating point number, with dot, optional exponent 107syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=" 108"floating point number, starting with a dot, optional exponent 109syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>" 110"floating point number, without dot, with exponent 111syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>" 112if !exists("c_no_c99") 113 "hexadecimal floating point number, optional leading digits, with dot, with exponent 114 syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>" 115 "hexadecimal floating point number, with leading digits, optional dot, with exponent 116 syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>" 117endif 118 119" flag an octal number with wrong digits 120syn match cOctalError display contained "0\o*[89]\d*" 121syn case match 122 123if exists("c_comment_strings") 124 " A comment can contain cString, cCharacter and cNumber. 125 " But a "*/" inside a cString in a cComment DOES end the comment! So we 126 " need to use a special type of cString: cCommentString, which also ends on 127 " "*/", and sees a "*" at the start of the line as comment again. 128 " Unfortunately this doesn't very well work for // type of comments :-( 129 syntax match cCommentSkip contained "^\s*\*\($\|\s\+\)" 130 syntax region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip 131 syntax region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial 132 syntax region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell 133 if exists("c_no_comment_fold") 134 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell 135 else 136 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold 137 endif 138else 139 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell 140 if exists("c_no_comment_fold") 141 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell 142 else 143 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold 144 endif 145endif 146" keep a // comment separately, it terminates a preproc. conditional 147syntax match cCommentError display "\*/" 148syntax match cCommentStartError display "/\*"me=e-1 contained 149 150syntax region cBlock start="{" end="}" transparent fold 151 152syn keyword cOperator sizeof 153if exists("c_gnu") 154 syn keyword cStatement __asm__ 155 syn keyword cOperator typeof __real__ __imag__ 156endif 157syn keyword cType int long short char void 158syn keyword cType signed unsigned float double 159if !exists("c_no_ansi") || exists("c_ansi_typedefs") 160 syn keyword cType size_t ssize_t wchar_t ptrdiff_t sig_atomic_t fpos_t 161 syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t 162 syn keyword cType mbstate_t wctrans_t wint_t wctype_t 163endif 164if !exists("c_no_c99") " ISO C99 165 syn keyword cType bool complex 166 syn keyword cType int8_t int16_t int32_t int64_t 167 syn keyword cType uint8_t uint16_t uint32_t uint64_t 168 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t 169 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t 170 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t 171 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t 172 syn keyword cType intptr_t uintptr_t 173 syn keyword cType intmax_t uintmax_t 174endif 175if exists("c_gnu") 176 syn keyword cType __label__ __complex__ __volatile__ 177endif 178 179syn keyword cStructure struct union enum typedef 180syn keyword cStorageClass static register auto volatile extern const 181if exists("c_gnu") 182 syn keyword cStorageClass inline __attribute__ 183endif 184if !exists("c_no_c99") 185 syn keyword cStorageClass inline restrict 186endif 187 188if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu") 189 if exists("c_gnu") 190 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ 191 endif 192 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__ 193 syn keyword cConstant __STDC_VERSION__ 194 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX 195 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX 196 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN 197 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX 198 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN 199 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX 200 if !exists("c_no_c99") 201 syn keyword cConstant LLONG_MAX ULLONG_MAX 202 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN 203 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX 204 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX 205 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN 206 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX 207 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX 208 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN 209 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX 210 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX 211 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX 212 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX 213 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX 214 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX 215 endif 216 syn keyword cConstant FLT_RADIX FLT_ROUNDS 217 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON 218 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON 219 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON 220 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP 221 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP 222 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP 223 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP 224 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP 225 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP 226 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL 227 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY 228 syn keyword cConstant LC_NUMERIC LC_TIME 229 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN 230 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM 231 " Add POSIX signals as well... 232 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP 233 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV 234 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU 235 syn keyword cConstant SIGUSR1 SIGUSR2 236 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF 237 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam 238 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET 239 syn keyword cConstant TMP_MAX stderr stdin stdout 240 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX 241 " Add POSIX errors as well 242 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY 243 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT 244 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR 245 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV 246 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS 247 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM 248 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV 249 " math.h 250 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4 251 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2 252endif 253if !exists("c_no_c99") " ISO C99 254 syn keyword cConstant true false 255endif 256 257" Accept %: for # (C99) 258syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" end="//"me=s-1 contains=cComment,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError 259syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>" 260if !exists("c_no_if0") 261 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 262 syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cSpaceError,cCppSkip 263 syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip 264endif 265syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+ 266syn match cIncluded display contained "<[^>]*>" 267syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded 268"syn match cLineSkip "\\$" 269syn cluster cPreProcGroup contains=cPreCondit,cIncluded,cInclude,cDefine,cErrInParen,cErrInBracket,cUserLabel,cSpecial,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cString,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cParen,cBracket,cMulti 270syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" end="//"me=s-1 contains=ALLBUT,@cPreProcGroup,@Spell 271syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 272 273" Highlight User Labels 274syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString 275syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell 276" Avoid matching foo::bar() in C++ by requiring that the next char is not ':' 277syn cluster cLabelGroup contains=cUserLabel 278syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup 279syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup 280syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 281syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 282 283syn match cUserLabel display "\I\i*" contained 284 285" Avoid recognizing most bitfields as labels 286syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 287syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 288 289if exists("c_minlines") 290 let b:c_minlines = c_minlines 291else 292 if !exists("c_no_if0") 293 let b:c_minlines = 50 " #if 0 constructs can be long 294 else 295 let b:c_minlines = 15 " mostly for () constructs 296 endif 297endif 298exec "syn sync ccomment cComment minlines=" . b:c_minlines 299 300" Define the default highlighting. 301" For version 5.7 and earlier: only when not done already 302" For version 5.8 and later: only when an item doesn't have highlighting yet 303if version >= 508 || !exists("did_c_syn_inits") 304 if version < 508 305 let did_c_syn_inits = 1 306 command -nargs=+ HiLink hi link <args> 307 else 308 command -nargs=+ HiLink hi def link <args> 309 endif 310 311 HiLink cFormat cSpecial 312 HiLink cCppString cString 313 HiLink cCommentL cComment 314 HiLink cCommentStart cComment 315 HiLink cLabel Label 316 HiLink cUserLabel Label 317 HiLink cConditional Conditional 318 HiLink cRepeat Repeat 319 HiLink cCharacter Character 320 HiLink cSpecialCharacter cSpecial 321 HiLink cNumber Number 322 HiLink cOctal Number 323 HiLink cOctalZero PreProc " link this to Error if you want 324 HiLink cFloat Float 325 HiLink cOctalError cError 326 HiLink cParenError cError 327 HiLink cErrInParen cError 328 HiLink cErrInBracket cError 329 HiLink cCommentError cError 330 HiLink cCommentStartError cError 331 HiLink cSpaceError cError 332 HiLink cSpecialError cError 333 HiLink cOperator Operator 334 HiLink cStructure Structure 335 HiLink cStorageClass StorageClass 336 HiLink cInclude Include 337 HiLink cPreProc PreProc 338 HiLink cDefine Macro 339 HiLink cIncluded cString 340 HiLink cError Error 341 HiLink cStatement Statement 342 HiLink cPreCondit PreCondit 343 HiLink cType Type 344 HiLink cConstant Constant 345 HiLink cCommentString cString 346 HiLink cComment2String cString 347 HiLink cCommentSkip cComment 348 HiLink cString String 349 HiLink cComment Comment 350 HiLink cSpecial SpecialChar 351 HiLink cTodo Todo 352 HiLink cCppSkip cCppOut 353 HiLink cCppOut2 cCppOut 354 HiLink cCppOut Comment 355 356 delcommand HiLink 357endif 358 359let b:current_syntax = "c" 360 361" vim: ts=8 362