1" Vim syntax file 2" Language: C 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2007 Feb 13 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" This should be before cErrInParen to avoid problems with #define ({ xxx }) 68syntax region cBlock start="{" end="}" transparent fold 69 70"catch errors caused by wrong parenthesis and brackets 71" also accept <% for {, %> for }, <: for [ and :> for ] (C99) 72" But avoid matching <::. 73syn 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 74if exists("c_no_curly_error") 75 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell 76 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 77 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 78 syn match cParenError display ")" 79 syn match cErrInParen display contained "^[{}]\|^<%\|^%>" 80elseif exists("c_no_bracket_error") 81 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell 82 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 83 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 84 syn match cParenError display ")" 85 syn match cErrInParen display contained "[{}]\|<%\|%>" 86else 87 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell 88 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 89 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell 90 syn match cParenError display "[\])]" 91 syn match cErrInParen display contained "[\]{}]\|<%\|%>" 92 syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,cCppString,@Spell 93 " cCppBracket: same as cParen but ends at end-of-line; used in cDefine 94 syn region cCppBracket transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell 95 syn match cErrInBracket display contained "[);{}]\|<%\|%>" 96endif 97 98"integer number, or floating point number without a dot and with "f". 99syn case ignore 100syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal 101" Same, but without octal error (for comments) 102syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal 103syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>" 104"hex number 105syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>" 106" Flag the first zero of an octal number as something special 107syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero 108syn match cOctalZero display contained "\<0" 109syn match cFloat display contained "\d\+f" 110"floating point number, with dot, optional exponent 111syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=" 112"floating point number, starting with a dot, optional exponent 113syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>" 114"floating point number, without dot, with exponent 115syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>" 116if !exists("c_no_c99") 117 "hexadecimal floating point number, optional leading digits, with dot, with exponent 118 syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>" 119 "hexadecimal floating point number, with leading digits, optional dot, with exponent 120 syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>" 121endif 122 123" flag an octal number with wrong digits 124syn match cOctalError display contained "0\o*[89]\d*" 125syn case match 126 127if exists("c_comment_strings") 128 " A comment can contain cString, cCharacter and cNumber. 129 " But a "*/" inside a cString in a cComment DOES end the comment! So we 130 " need to use a special type of cString: cCommentString, which also ends on 131 " "*/", and sees a "*" at the start of the line as comment again. 132 " Unfortunately this doesn't very well work for // type of comments :-( 133 syntax match cCommentSkip contained "^\s*\*\($\|\s\+\)" 134 syntax region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip 135 syntax region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial 136 syntax region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell 137 if exists("c_no_comment_fold") 138 " Use "extend" here to have preprocessor lines not terminate halfway a 139 " comment. 140 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell extend 141 else 142 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold extend 143 endif 144else 145 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell 146 if exists("c_no_comment_fold") 147 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell 148 else 149 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold 150 endif 151endif 152" keep a // comment separately, it terminates a preproc. conditional 153syntax match cCommentError display "\*/" 154syntax match cCommentStartError display "/\*"me=e-1 contained 155 156syn keyword cOperator sizeof 157if exists("c_gnu") 158 syn keyword cStatement __asm__ 159 syn keyword cOperator typeof __real__ __imag__ 160endif 161syn keyword cType int long short char void 162syn keyword cType signed unsigned float double 163if !exists("c_no_ansi") || exists("c_ansi_typedefs") 164 syn keyword cType size_t ssize_t off_t wchar_t ptrdiff_t sig_atomic_t fpos_t 165 syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t 166 syn keyword cType mbstate_t wctrans_t wint_t wctype_t 167endif 168if !exists("c_no_c99") " ISO C99 169 syn keyword cType bool complex 170 syn keyword cType int8_t int16_t int32_t int64_t 171 syn keyword cType uint8_t uint16_t uint32_t uint64_t 172 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t 173 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t 174 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t 175 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t 176 syn keyword cType intptr_t uintptr_t 177 syn keyword cType intmax_t uintmax_t 178endif 179if exists("c_gnu") 180 syn keyword cType __label__ __complex__ __volatile__ 181endif 182 183syn keyword cStructure struct union enum typedef 184syn keyword cStorageClass static register auto volatile extern const 185if exists("c_gnu") 186 syn keyword cStorageClass inline __attribute__ 187endif 188if !exists("c_no_c99") 189 syn keyword cStorageClass inline restrict 190endif 191 192if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu") 193 if exists("c_gnu") 194 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ __func__ 195 endif 196 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__ 197 syn keyword cConstant __STDC_VERSION__ 198 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX 199 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX 200 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN 201 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX 202 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN 203 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX 204 if !exists("c_no_c99") 205 syn keyword cConstant __func__ 206 syn keyword cConstant LLONG_MAX ULLONG_MAX 207 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN 208 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX 209 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX 210 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN 211 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX 212 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX 213 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN 214 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX 215 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX 216 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX 217 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX 218 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX 219 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX 220 endif 221 syn keyword cConstant FLT_RADIX FLT_ROUNDS 222 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON 223 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON 224 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON 225 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP 226 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP 227 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP 228 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP 229 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP 230 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP 231 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL 232 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY 233 syn keyword cConstant LC_NUMERIC LC_TIME 234 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN 235 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM 236 " Add POSIX signals as well... 237 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP 238 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV 239 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU 240 syn keyword cConstant SIGUSR1 SIGUSR2 241 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF 242 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam 243 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET 244 syn keyword cConstant TMP_MAX stderr stdin stdout 245 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX 246 " Add POSIX errors as well 247 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY 248 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT 249 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR 250 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV 251 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS 252 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM 253 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV 254 " math.h 255 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4 256 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2 257endif 258if !exists("c_no_c99") " ISO C99 259 syn keyword cConstant true false 260endif 261 262" Accept %: for # (C99) 263syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" end="//"me=s-1 contains=cComment,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError 264syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>" 265if !exists("c_no_if0") 266 if !exists("c_no_if0_fold") 267 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 fold 268 else 269 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 270 endif 271 syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cSpaceError,cCppSkip 272 syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip 273endif 274syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+ 275syn match cIncluded display contained "<[^>]*>" 276syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded 277"syn match cLineSkip "\\$" 278syn 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 279syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" end="//"me=s-1 keepend contains=ALLBUT,@cPreProcGroup,@Spell 280syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 281 282" Highlight User Labels 283syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString 284syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell 285" Avoid matching foo::bar() in C++ by requiring that the next char is not ':' 286syn cluster cLabelGroup contains=cUserLabel 287syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup 288syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup 289syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 290syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 291 292syn match cUserLabel display "\I\i*" contained 293 294" Avoid recognizing most bitfields as labels 295syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType 296syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType 297 298if exists("c_minlines") 299 let b:c_minlines = c_minlines 300else 301 if !exists("c_no_if0") 302 let b:c_minlines = 50 " #if 0 constructs can be long 303 else 304 let b:c_minlines = 15 " mostly for () constructs 305 endif 306endif 307exec "syn sync ccomment cComment minlines=" . b:c_minlines 308 309" Define the default highlighting. 310" Only used when an item doesn't have highlighting yet 311hi def link cFormat cSpecial 312hi def link cCppString cString 313hi def link cCommentL cComment 314hi def link cCommentStart cComment 315hi def link cLabel Label 316hi def link cUserLabel Label 317hi def link cConditional Conditional 318hi def link cRepeat Repeat 319hi def link cCharacter Character 320hi def link cSpecialCharacter cSpecial 321hi def link cNumber Number 322hi def link cOctal Number 323hi def link cOctalZero PreProc " link this to Error if you want 324hi def link cFloat Float 325hi def link cOctalError cError 326hi def link cParenError cError 327hi def link cErrInParen cError 328hi def link cErrInBracket cError 329hi def link cCommentError cError 330hi def link cCommentStartError cError 331hi def link cSpaceError cError 332hi def link cSpecialError cError 333hi def link cOperator Operator 334hi def link cStructure Structure 335hi def link cStorageClass StorageClass 336hi def link cInclude Include 337hi def link cPreProc PreProc 338hi def link cDefine Macro 339hi def link cIncluded cString 340hi def link cError Error 341hi def link cStatement Statement 342hi def link cPreCondit PreCondit 343hi def link cType Type 344hi def link cConstant Constant 345hi def link cCommentString cString 346hi def link cComment2String cString 347hi def link cCommentSkip cComment 348hi def link cString String 349hi def link cComment Comment 350hi def link cSpecial SpecialChar 351hi def link cTodo Todo 352hi def link cCppSkip cCppOut 353hi def link cCppOut2 cCppOut 354hi def link cCppOut Comment 355 356let b:current_syntax = "c" 357 358" vim: ts=8 359