1" Vim syntax file 2" Language: C 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2006 Apr 24 5 6" Quit when a (custom) syntax file was already loaded 7if exists("b:current_syntax") 8 finish 9endif 10 11" A bunch of useful C keywords 12syn keyword cStatement goto break return continue asm 13syn keyword cLabel case default 14syn keyword cConditional if else switch 15syn keyword cRepeat while for do 16 17syn keyword cTodo contained TODO FIXME XXX 18 19" cCommentGroup allows adding matches for special things in comments 20syn cluster cCommentGroup contains=cTodo 21 22" String and Character constants 23" Highlight special characters (those which have a backslash) differently 24syn match cSpecial display contained "\\\(x\x\+\|\o\{1,3}\|.\|$\)" 25if !exists("c_no_utf") 26 syn match cSpecial display contained "\\\(u\x\{4}\|U\x\{8}\)" 27endif 28if exists("c_no_cformat") 29 syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,@Spell 30 " cCppString: same as cString, but ends at end of line 31 syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,@Spell 32else 33 if !exists("c_no_c99") " ISO C99 34 syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlLjzt]\|ll\|hh\)\=\([aAbdiuoxXDOUfFeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained 35 else 36 syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([bdiuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained 37 endif 38 syn match cFormat display "%%" contained 39 syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell 40 " cCppString: same as cString, but ends at end of line 41 syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell 42endif 43 44syn match cCharacter "L\='[^\\]'" 45syn match cCharacter "L'[^']*'" contains=cSpecial 46if exists("c_gnu") 47 syn match cSpecialError "L\='\\[^'\"?\\abefnrtv]'" 48 syn match cSpecialCharacter "L\='\\['\"?\\abefnrtv]'" 49else 50 syn match cSpecialError "L\='\\[^'\"?\\abfnrtv]'" 51 syn match cSpecialCharacter "L\='\\['\"?\\abfnrtv]'" 52endif 53syn match cSpecialCharacter display "L\='\\\o\{1,3}'" 54syn match cSpecialCharacter display "'\\x\x\{1,2}'" 55syn match cSpecialCharacter display "L'\\x\x\+'" 56 57"when wanted, highlight trailing white space 58if exists("c_space_errors") 59 if !exists("c_no_trail_space_error") 60 syn match cSpaceError display excludenl "\s\+$" 61 endif 62 if !exists("c_no_tab_space_error") 63 syn match cSpaceError display " \+\t"me=e-1 64 endif 65endif 66 67"catch errors caused by wrong parenthesis and brackets 68" also accept <% for {, %> for }, <: for [ and :> for ] (C99) 69" But avoid matching <::. 70syn 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 71if exists("c_no_curly_error") 72 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell 73 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 74 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 75 syn match cParenError display ")" 76 syn match cErrInParen display contained "^[{}]\|^<%\|^%>" 77elseif exists("c_no_bracket_error") 78 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell 79 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 80 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 81 syn match cParenError display ")" 82 syn match cErrInParen display contained "[{}]\|<%\|%>" 83else 84 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell 85 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 86 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell 87 syn match cParenError display "[\])]" 88 syn match cErrInParen display contained "[\]{}]\|<%\|%>" 89 syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,cCppString,@Spell 90 " cCppBracket: same as cParen but ends at end-of-line; used in cDefine 91 syn region cCppBracket transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell 92 syn match cErrInBracket display contained "[);{}]\|<%\|%>" 93endif 94 95"integer number, or floating point number without a dot and with "f". 96syn case ignore 97syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal 98" Same, but without octal error (for comments) 99syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal 100syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>" 101"hex number 102syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>" 103" Flag the first zero of an octal number as something special 104syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero 105syn match cOctalZero display contained "\<0" 106syn match cFloat display contained "\d\+f" 107"floating point number, with dot, optional exponent 108syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=" 109"floating point number, starting with a dot, optional exponent 110syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>" 111"floating point number, without dot, with exponent 112syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>" 113if !exists("c_no_c99") 114 "hexadecimal floating point number, optional leading digits, with dot, with exponent 115 syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>" 116 "hexadecimal floating point number, with leading digits, optional dot, with exponent 117 syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>" 118endif 119 120" flag an octal number with wrong digits 121syn match cOctalError display contained "0\o*[89]\d*" 122syn case match 123 124if exists("c_comment_strings") 125 " A comment can contain cString, cCharacter and cNumber. 126 " But a "*/" inside a cString in a cComment DOES end the comment! So we 127 " need to use a special type of cString: cCommentString, which also ends on 128 " "*/", and sees a "*" at the start of the line as comment again. 129 " Unfortunately this doesn't very well work for // type of comments :-( 130 syntax match cCommentSkip contained "^\s*\*\($\|\s\+\)" 131 syntax region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip 132 syntax region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial 133 syntax region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell 134 if exists("c_no_comment_fold") 135 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell 136 else 137 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold 138 endif 139else 140 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell 141 if exists("c_no_comment_fold") 142 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell 143 else 144 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold 145 endif 146endif 147" keep a // comment separately, it terminates a preproc. conditional 148syntax match cCommentError display "\*/" 149syntax match cCommentStartError display "/\*"me=e-1 contained 150 151syntax region cBlock start="{" end="}" transparent fold 152 153syn keyword cOperator sizeof 154if exists("c_gnu") 155 syn keyword cStatement __asm__ 156 syn keyword cOperator typeof __real__ __imag__ 157endif 158syn keyword cType int long short char void 159syn keyword cType signed unsigned float double 160if !exists("c_no_ansi") || exists("c_ansi_typedefs") 161 syn keyword cType size_t ssize_t wchar_t ptrdiff_t sig_atomic_t fpos_t 162 syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t 163 syn keyword cType mbstate_t wctrans_t wint_t wctype_t 164endif 165if !exists("c_no_c99") " ISO C99 166 syn keyword cType bool complex 167 syn keyword cType int8_t int16_t int32_t int64_t 168 syn keyword cType uint8_t uint16_t uint32_t uint64_t 169 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t 170 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t 171 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t 172 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t 173 syn keyword cType intptr_t uintptr_t 174 syn keyword cType intmax_t uintmax_t 175endif 176if exists("c_gnu") 177 syn keyword cType __label__ __complex__ __volatile__ 178endif 179 180syn keyword cStructure struct union enum typedef 181syn keyword cStorageClass static register auto volatile extern const 182if exists("c_gnu") 183 syn keyword cStorageClass inline __attribute__ 184endif 185if !exists("c_no_c99") 186 syn keyword cStorageClass inline restrict 187endif 188 189if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu") 190 if exists("c_gnu") 191 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ __func__ 192 endif 193 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__ 194 syn keyword cConstant __STDC_VERSION__ 195 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX 196 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX 197 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN 198 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX 199 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN 200 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX 201 if !exists("c_no_c99") 202 syn keyword cConstant __func__ 203 syn keyword cConstant LLONG_MAX ULLONG_MAX 204 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN 205 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX 206 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX 207 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN 208 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX 209 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX 210 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN 211 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX 212 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX 213 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX 214 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX 215 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX 216 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX 217 endif 218 syn keyword cConstant FLT_RADIX FLT_ROUNDS 219 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON 220 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON 221 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON 222 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP 223 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP 224 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP 225 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP 226 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP 227 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP 228 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL 229 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY 230 syn keyword cConstant LC_NUMERIC LC_TIME 231 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN 232 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM 233 " Add POSIX signals as well... 234 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP 235 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV 236 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU 237 syn keyword cConstant SIGUSR1 SIGUSR2 238 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF 239 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam 240 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET 241 syn keyword cConstant TMP_MAX stderr stdin stdout 242 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX 243 " Add POSIX errors as well 244 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY 245 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT 246 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR 247 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV 248 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS 249 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM 250 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV 251 " math.h 252 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4 253 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2 254endif 255if !exists("c_no_c99") " ISO C99 256 syn keyword cConstant true false 257endif 258 259" Accept %: for # (C99) 260syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" end="//"me=s-1 contains=cComment,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError 261syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>" 262if !exists("c_no_if0") 263 if !exists("c_no_if0_fold") 264 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 fold 265 else 266 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 267 endif 268 syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cSpaceError,cCppSkip 269 syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip 270endif 271syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+ 272syn match cIncluded display contained "<[^>]*>" 273syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded 274"syn match cLineSkip "\\$" 275syn 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 276syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" end="//"me=s-1 contains=ALLBUT,@cPreProcGroup,@Spell 277syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 278 279" Highlight User Labels 280syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString 281syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell 282" Avoid matching foo::bar() in C++ by requiring that the next char is not ':' 283syn cluster cLabelGroup contains=cUserLabel 284syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup 285syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup 286syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 287syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 288 289syn match cUserLabel display "\I\i*" contained 290 291" Avoid recognizing most bitfields as labels 292syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 293syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 294 295if exists("c_minlines") 296 let b:c_minlines = c_minlines 297else 298 if !exists("c_no_if0") 299 let b:c_minlines = 50 " #if 0 constructs can be long 300 else 301 let b:c_minlines = 15 " mostly for () constructs 302 endif 303endif 304exec "syn sync ccomment cComment minlines=" . b:c_minlines 305 306" Define the default highlighting. 307" Only used when an item doesn't have highlighting yet 308hi def link cFormat cSpecial 309hi def link cCppString cString 310hi def link cCommentL cComment 311hi def link cCommentStart cComment 312hi def link cLabel Label 313hi def link cUserLabel Label 314hi def link cConditional Conditional 315hi def link cRepeat Repeat 316hi def link cCharacter Character 317hi def link cSpecialCharacter cSpecial 318hi def link cNumber Number 319hi def link cOctal Number 320hi def link cOctalZero PreProc " link this to Error if you want 321hi def link cFloat Float 322hi def link cOctalError cError 323hi def link cParenError cError 324hi def link cErrInParen cError 325hi def link cErrInBracket cError 326hi def link cCommentError cError 327hi def link cCommentStartError cError 328hi def link cSpaceError cError 329hi def link cSpecialError cError 330hi def link cOperator Operator 331hi def link cStructure Structure 332hi def link cStorageClass StorageClass 333hi def link cInclude Include 334hi def link cPreProc PreProc 335hi def link cDefine Macro 336hi def link cIncluded cString 337hi def link cError Error 338hi def link cStatement Statement 339hi def link cPreCondit PreCondit 340hi def link cType Type 341hi def link cConstant Constant 342hi def link cCommentString cString 343hi def link cComment2String cString 344hi def link cCommentSkip cComment 345hi def link cString String 346hi def link cComment Comment 347hi def link cSpecial SpecialChar 348hi def link cTodo Todo 349hi def link cCppSkip cCppOut 350hi def link cCppOut2 cCppOut 351hi def link cCppOut Comment 352 353let b:current_syntax = "c" 354 355" vim: ts=8 356