1" Vim syntax file 2" Language: C 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2004 Feb 04 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="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell 127 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell 128else 129 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell 130 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell 131endif 132" keep a // comment separately, it terminates a preproc. conditional 133syntax match cCommentError display "\*/" 134syntax match cCommentStartError display "/\*"me=e-1 contained 135 136syn keyword cOperator sizeof 137if exists("c_gnu") 138 syn keyword cStatement __asm__ 139 syn keyword cOperator typeof __real__ __imag__ 140endif 141syn keyword cType int long short char void 142syn keyword cType signed unsigned float double 143if !exists("c_no_ansi") || exists("c_ansi_typedefs") 144 syn keyword cType size_t ssize_t wchar_t ptrdiff_t sig_atomic_t fpos_t 145 syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t 146 syn keyword cType mbstate_t wctrans_t wint_t wctype_t 147endif 148if !exists("c_no_c99") " ISO C99 149 syn keyword cType bool complex 150 syn keyword cType int8_t int16_t int32_t int64_t 151 syn keyword cType uint8_t uint16_t uint32_t uint64_t 152 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t 153 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t 154 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t 155 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t 156 syn keyword cType intptr_t uintptr_t 157 syn keyword cType intmax_t uintmax_t 158endif 159if exists("c_gnu") 160 syn keyword cType __label__ __complex__ __volatile__ 161endif 162 163syn keyword cStructure struct union enum typedef 164syn keyword cStorageClass static register auto volatile extern const 165if exists("c_gnu") 166 syn keyword cStorageClass inline __attribute__ 167endif 168if !exists("c_no_c99") 169 syn keyword cStorageClass inline restrict 170endif 171 172if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu") 173 if exists("c_gnu") 174 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ 175 endif 176 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__ 177 syn keyword cConstant __STDC_VERSION__ 178 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX 179 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX 180 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN 181 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX 182 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN 183 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX 184 if !exists("c_no_c99") 185 syn keyword cConstant LLONG_MAX ULLONG_MAX 186 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN 187 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX 188 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX 189 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN 190 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX 191 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX 192 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN 193 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX 194 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX 195 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX 196 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX 197 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX 198 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX 199 endif 200 syn keyword cConstant FLT_RADIX FLT_ROUNDS 201 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON 202 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON 203 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON 204 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP 205 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP 206 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP 207 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP 208 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP 209 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP 210 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL 211 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY 212 syn keyword cConstant LC_NUMERIC LC_TIME 213 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN 214 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM 215 " Add POSIX signals as well... 216 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP 217 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV 218 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU 219 syn keyword cConstant SIGUSR1 SIGUSR2 220 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF 221 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam 222 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET 223 syn keyword cConstant TMP_MAX stderr stdin stdout 224 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX 225 " Add POSIX errors as well 226 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY 227 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT 228 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR 229 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV 230 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS 231 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM 232 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV 233 " math.h 234 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4 235 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2 236endif 237if !exists("c_no_c99") " ISO C99 238 syn keyword cConstant true false 239endif 240 241" Accept %: for # (C99) 242syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" end="//"me=s-1 contains=cComment,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError 243syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>" 244if !exists("c_no_if0") 245 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 246 syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cSpaceError,cCppSkip 247 syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip 248endif 249syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+ 250syn match cIncluded display contained "<[^>]*>" 251syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded 252"syn match cLineSkip "\\$" 253syn 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 254syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" end="//"me=s-1 contains=ALLBUT,@cPreProcGroup,@Spell 255syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 256 257" Highlight User Labels 258syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString 259syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell 260" Avoid matching foo::bar() in C++ by requiring that the next char is not ':' 261syn cluster cLabelGroup contains=cUserLabel 262syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup 263syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup 264syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 265syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 266 267syn match cUserLabel display "\I\i*" contained 268 269" Avoid recognizing most bitfields as labels 270syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 271syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 272 273if exists("c_minlines") 274 let b:c_minlines = c_minlines 275else 276 if !exists("c_no_if0") 277 let b:c_minlines = 50 " #if 0 constructs can be long 278 else 279 let b:c_minlines = 15 " mostly for () constructs 280 endif 281endif 282exec "syn sync ccomment cComment minlines=" . b:c_minlines 283 284" Define the default highlighting. 285" For version 5.7 and earlier: only when not done already 286" For version 5.8 and later: only when an item doesn't have highlighting yet 287if version >= 508 || !exists("did_c_syn_inits") 288 if version < 508 289 let did_c_syn_inits = 1 290 command -nargs=+ HiLink hi link <args> 291 else 292 command -nargs=+ HiLink hi def link <args> 293 endif 294 295 HiLink cFormat cSpecial 296 HiLink cCppString cString 297 HiLink cCommentL cComment 298 HiLink cCommentStart cComment 299 HiLink cLabel Label 300 HiLink cUserLabel Label 301 HiLink cConditional Conditional 302 HiLink cRepeat Repeat 303 HiLink cCharacter Character 304 HiLink cSpecialCharacter cSpecial 305 HiLink cNumber Number 306 HiLink cOctal Number 307 HiLink cOctalZero PreProc " link this to Error if you want 308 HiLink cFloat Float 309 HiLink cOctalError cError 310 HiLink cParenError cError 311 HiLink cErrInParen cError 312 HiLink cErrInBracket cError 313 HiLink cCommentError cError 314 HiLink cCommentStartError cError 315 HiLink cSpaceError cError 316 HiLink cSpecialError cError 317 HiLink cOperator Operator 318 HiLink cStructure Structure 319 HiLink cStorageClass StorageClass 320 HiLink cInclude Include 321 HiLink cPreProc PreProc 322 HiLink cDefine Macro 323 HiLink cIncluded cString 324 HiLink cError Error 325 HiLink cStatement Statement 326 HiLink cPreCondit PreCondit 327 HiLink cType Type 328 HiLink cConstant Constant 329 HiLink cCommentString cString 330 HiLink cComment2String cString 331 HiLink cCommentSkip cComment 332 HiLink cString String 333 HiLink cComment Comment 334 HiLink cSpecial SpecialChar 335 HiLink cTodo Todo 336 HiLink cCppSkip cCppOut 337 HiLink cCppOut2 cCppOut 338 HiLink cCppOut Comment 339 340 delcommand HiLink 341endif 342 343let b:current_syntax = "c" 344 345" vim: ts=8 346