1" Vim syntax file 2" Language: C 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2008 Mar 19 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 }) 68if exists("c_curly_error") 69 syntax match cCurlyError "}" 70 syntax region cBlock start="{" end="}" contains=ALLBUT,cCurlyError,@cParenGroup,cErrInParen,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell fold 71else 72 syntax region cBlock start="{" end="}" transparent fold 73endif 74 75"catch errors caused by wrong parenthesis and brackets 76" also accept <% for {, %> for }, <: for [ and :> for ] (C99) 77" But avoid matching <::. 78syn cluster cParenGroup contains=cParenError,cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom 79if exists("c_no_curly_error") 80 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell 81 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 82 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 83 syn match cParenError display ")" 84 syn match cErrInParen display contained "^[{}]\|^<%\|^%>" 85elseif exists("c_no_bracket_error") 86 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell 87 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 88 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 89 syn match cParenError display ")" 90 syn match cErrInParen display contained "[{}]\|<%\|%>" 91else 92 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell 93 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 94 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell 95 syn match cParenError display "[\])]" 96 syn match cErrInParen display contained "[\]{}]\|<%\|%>" 97 syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,cCppString,@Spell 98 " cCppBracket: same as cParen but ends at end-of-line; used in cDefine 99 syn region cCppBracket transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell 100 syn match cErrInBracket display contained "[);{}]\|<%\|%>" 101endif 102 103"integer number, or floating point number without a dot and with "f". 104syn case ignore 105syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal 106" Same, but without octal error (for comments) 107syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal 108syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>" 109"hex number 110syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>" 111" Flag the first zero of an octal number as something special 112syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero 113syn match cOctalZero display contained "\<0" 114syn match cFloat display contained "\d\+f" 115"floating point number, with dot, optional exponent 116syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=" 117"floating point number, starting with a dot, optional exponent 118syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>" 119"floating point number, without dot, with exponent 120syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>" 121if !exists("c_no_c99") 122 "hexadecimal floating point number, optional leading digits, with dot, with exponent 123 syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>" 124 "hexadecimal floating point number, with leading digits, optional dot, with exponent 125 syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>" 126endif 127 128" flag an octal number with wrong digits 129syn match cOctalError display contained "0\o*[89]\d*" 130syn case match 131 132if exists("c_comment_strings") 133 " A comment can contain cString, cCharacter and cNumber. 134 " But a "*/" inside a cString in a cComment DOES end the comment! So we 135 " need to use a special type of cString: cCommentString, which also ends on 136 " "*/", and sees a "*" at the start of the line as comment again. 137 " Unfortunately this doesn't very well work for // type of comments :-( 138 syntax match cCommentSkip contained "^\s*\*\($\|\s\+\)" 139 syntax region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip 140 syntax region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial 141 syntax region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell 142 if exists("c_no_comment_fold") 143 " Use "extend" here to have preprocessor lines not terminate halfway a 144 " comment. 145 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell extend 146 else 147 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold extend 148 endif 149else 150 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell 151 if exists("c_no_comment_fold") 152 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell extend 153 else 154 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold extend 155 endif 156endif 157" keep a // comment separately, it terminates a preproc. conditional 158syntax match cCommentError display "\*/" 159syntax match cCommentStartError display "/\*"me=e-1 contained 160 161syn keyword cOperator sizeof 162if exists("c_gnu") 163 syn keyword cStatement __asm__ 164 syn keyword cOperator typeof __real__ __imag__ 165endif 166syn keyword cType int long short char void 167syn keyword cType signed unsigned float double 168if !exists("c_no_ansi") || exists("c_ansi_typedefs") 169 syn keyword cType size_t ssize_t off_t wchar_t ptrdiff_t sig_atomic_t fpos_t 170 syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t 171 syn keyword cType mbstate_t wctrans_t wint_t wctype_t 172endif 173if !exists("c_no_c99") " ISO C99 174 syn keyword cType bool complex 175 syn keyword cType int8_t int16_t int32_t int64_t 176 syn keyword cType uint8_t uint16_t uint32_t uint64_t 177 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t 178 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t 179 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t 180 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t 181 syn keyword cType intptr_t uintptr_t 182 syn keyword cType intmax_t uintmax_t 183endif 184if exists("c_gnu") 185 syn keyword cType __label__ __complex__ __volatile__ 186endif 187 188syn keyword cStructure struct union enum typedef 189syn keyword cStorageClass static register auto volatile extern const 190if exists("c_gnu") 191 syn keyword cStorageClass inline __attribute__ 192endif 193if !exists("c_no_c99") 194 syn keyword cStorageClass inline restrict 195endif 196 197if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu") 198 if exists("c_gnu") 199 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ __func__ 200 endif 201 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__ 202 syn keyword cConstant __STDC_VERSION__ 203 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX 204 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX 205 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN 206 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX 207 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN 208 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX 209 if !exists("c_no_c99") 210 syn keyword cConstant __func__ 211 syn keyword cConstant LLONG_MIN LLONG_MAX ULLONG_MAX 212 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN 213 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX 214 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX 215 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN 216 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX 217 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX 218 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN 219 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX 220 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX 221 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX 222 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX 223 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX 224 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX 225 endif 226 syn keyword cConstant FLT_RADIX FLT_ROUNDS 227 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON 228 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON 229 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON 230 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP 231 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP 232 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP 233 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP 234 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP 235 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP 236 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL 237 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY 238 syn keyword cConstant LC_NUMERIC LC_TIME 239 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN 240 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM 241 " Add POSIX signals as well... 242 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP 243 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV 244 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU 245 syn keyword cConstant SIGUSR1 SIGUSR2 246 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF 247 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam 248 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET 249 syn keyword cConstant TMP_MAX stderr stdin stdout 250 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX 251 " Add POSIX errors as well 252 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY 253 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT 254 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR 255 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV 256 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS 257 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM 258 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV 259 " math.h 260 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4 261 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2 262endif 263if !exists("c_no_c99") " ISO C99 264 syn keyword cConstant true false 265endif 266 267" Accept %: for # (C99) 268syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" end="//"me=s-1 contains=cComment,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError 269syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>" 270if !exists("c_no_if0") 271 if !exists("c_no_if0_fold") 272 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 fold 273 else 274 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 275 endif 276 syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cSpaceError,cCppSkip 277 syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip 278endif 279syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+ 280syn match cIncluded display contained "<[^>]*>" 281syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded 282"syn match cLineSkip "\\$" 283syn 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 284syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" end="//"me=s-1 keepend contains=ALLBUT,@cPreProcGroup,@Spell 285syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 286 287" Highlight User Labels 288syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString 289syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell 290" Avoid matching foo::bar() in C++ by requiring that the next char is not ':' 291syn cluster cLabelGroup contains=cUserLabel 292syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup 293syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup 294syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 295syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 296 297syn match cUserLabel display "\I\i*" contained 298 299" Avoid recognizing most bitfields as labels 300syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType 301syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType 302 303if exists("c_minlines") 304 let b:c_minlines = c_minlines 305else 306 if !exists("c_no_if0") 307 let b:c_minlines = 50 " #if 0 constructs can be long 308 else 309 let b:c_minlines = 15 " mostly for () constructs 310 endif 311endif 312if exists("c_curly_error") 313 syn sync fromstart 314else 315 exec "syn sync ccomment cComment minlines=" . b:c_minlines 316endif 317 318" Define the default highlighting. 319" Only used when an item doesn't have highlighting yet 320hi def link cFormat cSpecial 321hi def link cCppString cString 322hi def link cCommentL cComment 323hi def link cCommentStart cComment 324hi def link cLabel Label 325hi def link cUserLabel Label 326hi def link cConditional Conditional 327hi def link cRepeat Repeat 328hi def link cCharacter Character 329hi def link cSpecialCharacter cSpecial 330hi def link cNumber Number 331hi def link cOctal Number 332hi def link cOctalZero PreProc " link this to Error if you want 333hi def link cFloat Float 334hi def link cOctalError cError 335hi def link cParenError cError 336hi def link cErrInParen cError 337hi def link cErrInBracket cError 338hi def link cCommentError cError 339hi def link cCommentStartError cError 340hi def link cSpaceError cError 341hi def link cSpecialError cError 342hi def link cCurlyError cError 343hi def link cOperator Operator 344hi def link cStructure Structure 345hi def link cStorageClass StorageClass 346hi def link cInclude Include 347hi def link cPreProc PreProc 348hi def link cDefine Macro 349hi def link cIncluded cString 350hi def link cError Error 351hi def link cStatement Statement 352hi def link cPreCondit PreCondit 353hi def link cType Type 354hi def link cConstant Constant 355hi def link cCommentString cString 356hi def link cComment2String cString 357hi def link cCommentSkip cComment 358hi def link cString String 359hi def link cComment Comment 360hi def link cSpecial SpecialChar 361hi def link cTodo Todo 362hi def link cCppSkip cCppOut 363hi def link cCppOut2 cCppOut 364hi def link cCppOut Comment 365 366let b:current_syntax = "c" 367 368" vim: ts=8 369