1" Vim syntax file 2" Language: C 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2004 Dec 09 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_bracket_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='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 74 syn match cParenError display ")" 75 syn match cErrInParen display contained "[{}]\|<%\|%>" 76else 77 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell 78 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 79 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell 80 syn match cParenError display "[\])]" 81 syn match cErrInParen display contained "[\]{}]\|<%\|%>" 82 syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,cCppString,@Spell 83 " cCppBracket: same as cParen but ends at end-of-line; used in cDefine 84 syn region cCppBracket transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell 85 syn match cErrInBracket display contained "[);{}]\|<%\|%>" 86endif 87 88"integer number, or floating point number without a dot and with "f". 89syn case ignore 90syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal 91" Same, but without octal error (for comments) 92syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal 93syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>" 94"hex number 95syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>" 96" Flag the first zero of an octal number as something special 97syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero 98syn match cOctalZero display contained "\<0" 99syn match cFloat display contained "\d\+f" 100"floating point number, with dot, optional exponent 101syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=" 102"floating point number, starting with a dot, optional exponent 103syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>" 104"floating point number, without dot, with exponent 105syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>" 106if !exists("c_no_c99") 107 "hexadecimal floating point number, optional leading digits, with dot, with exponent 108 syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>" 109 "hexadecimal floating point number, with leading digits, optional dot, with exponent 110 syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>" 111endif 112 113" flag an octal number with wrong digits 114syn match cOctalError display contained "0\o*[89]\d*" 115syn case match 116 117if exists("c_comment_strings") 118 " A comment can contain cString, cCharacter and cNumber. 119 " But a "*/" inside a cString in a cComment DOES end the comment! So we 120 " need to use a special type of cString: cCommentString, which also ends on 121 " "*/", and sees a "*" at the start of the line as comment again. 122 " Unfortunately this doesn't very well work for // type of comments :-( 123 syntax match cCommentSkip contained "^\s*\*\($\|\s\+\)" 124 syntax region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip 125 syntax region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial 126 syntax region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell 127 if exists("c_no_comment_fold") 128 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell 129 else 130 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold 131 endif 132else 133 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell 134 if exists("c_no_comment_fold") 135 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell 136 else 137 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold 138 endif 139endif 140" keep a // comment separately, it terminates a preproc. conditional 141syntax match cCommentError display "\*/" 142syntax match cCommentStartError display "/\*"me=e-1 contained 143 144syntax region cBlock start="{" end="}" transparent fold 145 146syn keyword cOperator sizeof 147if exists("c_gnu") 148 syn keyword cStatement __asm__ 149 syn keyword cOperator typeof __real__ __imag__ 150endif 151syn keyword cType int long short char void 152syn keyword cType signed unsigned float double 153if !exists("c_no_ansi") || exists("c_ansi_typedefs") 154 syn keyword cType size_t ssize_t wchar_t ptrdiff_t sig_atomic_t fpos_t 155 syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t 156 syn keyword cType mbstate_t wctrans_t wint_t wctype_t 157endif 158if !exists("c_no_c99") " ISO C99 159 syn keyword cType bool complex 160 syn keyword cType int8_t int16_t int32_t int64_t 161 syn keyword cType uint8_t uint16_t uint32_t uint64_t 162 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t 163 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t 164 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t 165 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t 166 syn keyword cType intptr_t uintptr_t 167 syn keyword cType intmax_t uintmax_t 168endif 169if exists("c_gnu") 170 syn keyword cType __label__ __complex__ __volatile__ 171endif 172 173syn keyword cStructure struct union enum typedef 174syn keyword cStorageClass static register auto volatile extern const 175if exists("c_gnu") 176 syn keyword cStorageClass inline __attribute__ 177endif 178if !exists("c_no_c99") 179 syn keyword cStorageClass inline restrict 180endif 181 182if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu") 183 if exists("c_gnu") 184 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ 185 endif 186 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__ 187 syn keyword cConstant __STDC_VERSION__ 188 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX 189 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX 190 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN 191 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX 192 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN 193 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX 194 if !exists("c_no_c99") 195 syn keyword cConstant LLONG_MAX ULLONG_MAX 196 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN 197 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX 198 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX 199 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN 200 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX 201 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX 202 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN 203 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX 204 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX 205 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX 206 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX 207 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX 208 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX 209 endif 210 syn keyword cConstant FLT_RADIX FLT_ROUNDS 211 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON 212 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON 213 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON 214 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP 215 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP 216 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP 217 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP 218 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP 219 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP 220 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL 221 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY 222 syn keyword cConstant LC_NUMERIC LC_TIME 223 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN 224 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM 225 " Add POSIX signals as well... 226 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP 227 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV 228 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU 229 syn keyword cConstant SIGUSR1 SIGUSR2 230 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF 231 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam 232 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET 233 syn keyword cConstant TMP_MAX stderr stdin stdout 234 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX 235 " Add POSIX errors as well 236 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY 237 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT 238 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR 239 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV 240 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS 241 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM 242 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV 243 " math.h 244 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4 245 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2 246endif 247if !exists("c_no_c99") " ISO C99 248 syn keyword cConstant true false 249endif 250 251" Accept %: for # (C99) 252syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" end="//"me=s-1 contains=cComment,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError 253syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>" 254if !exists("c_no_if0") 255 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 256 syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cSpaceError,cCppSkip 257 syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip 258endif 259syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+ 260syn match cIncluded display contained "<[^>]*>" 261syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded 262"syn match cLineSkip "\\$" 263syn 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 264syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" end="//"me=s-1 contains=ALLBUT,@cPreProcGroup,@Spell 265syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 266 267" Highlight User Labels 268syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString 269syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell 270" Avoid matching foo::bar() in C++ by requiring that the next char is not ':' 271syn cluster cLabelGroup contains=cUserLabel 272syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup 273syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup 274syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 275syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 276 277syn match cUserLabel display "\I\i*" contained 278 279" Avoid recognizing most bitfields as labels 280syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 281syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 282 283if exists("c_minlines") 284 let b:c_minlines = c_minlines 285else 286 if !exists("c_no_if0") 287 let b:c_minlines = 50 " #if 0 constructs can be long 288 else 289 let b:c_minlines = 15 " mostly for () constructs 290 endif 291endif 292exec "syn sync ccomment cComment minlines=" . b:c_minlines 293 294" Define the default highlighting. 295" For version 5.7 and earlier: only when not done already 296" For version 5.8 and later: only when an item doesn't have highlighting yet 297if version >= 508 || !exists("did_c_syn_inits") 298 if version < 508 299 let did_c_syn_inits = 1 300 command -nargs=+ HiLink hi link <args> 301 else 302 command -nargs=+ HiLink hi def link <args> 303 endif 304 305 HiLink cFormat cSpecial 306 HiLink cCppString cString 307 HiLink cCommentL cComment 308 HiLink cCommentStart cComment 309 HiLink cLabel Label 310 HiLink cUserLabel Label 311 HiLink cConditional Conditional 312 HiLink cRepeat Repeat 313 HiLink cCharacter Character 314 HiLink cSpecialCharacter cSpecial 315 HiLink cNumber Number 316 HiLink cOctal Number 317 HiLink cOctalZero PreProc " link this to Error if you want 318 HiLink cFloat Float 319 HiLink cOctalError cError 320 HiLink cParenError cError 321 HiLink cErrInParen cError 322 HiLink cErrInBracket cError 323 HiLink cCommentError cError 324 HiLink cCommentStartError cError 325 HiLink cSpaceError cError 326 HiLink cSpecialError cError 327 HiLink cOperator Operator 328 HiLink cStructure Structure 329 HiLink cStorageClass StorageClass 330 HiLink cInclude Include 331 HiLink cPreProc PreProc 332 HiLink cDefine Macro 333 HiLink cIncluded cString 334 HiLink cError Error 335 HiLink cStatement Statement 336 HiLink cPreCondit PreCondit 337 HiLink cType Type 338 HiLink cConstant Constant 339 HiLink cCommentString cString 340 HiLink cComment2String cString 341 HiLink cCommentSkip cComment 342 HiLink cString String 343 HiLink cComment Comment 344 HiLink cSpecial SpecialChar 345 HiLink cTodo Todo 346 HiLink cCppSkip cCppOut 347 HiLink cCppOut2 cCppOut 348 HiLink cCppOut Comment 349 350 delcommand HiLink 351endif 352 353let b:current_syntax = "c" 354 355" vim: ts=8 356