1" Vim syntax file 2" Language: C 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2006 Apr 05 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 syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([bdiuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained 34 syn match cFormat display "%%" contained 35 syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell 36 " cCppString: same as cString, but ends at end of line 37 syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell 38endif 39 40syn match cCharacter "L\='[^\\]'" 41syn match cCharacter "L'[^']*'" contains=cSpecial 42if exists("c_gnu") 43 syn match cSpecialError "L\='\\[^'\"?\\abefnrtv]'" 44 syn match cSpecialCharacter "L\='\\['\"?\\abefnrtv]'" 45else 46 syn match cSpecialError "L\='\\[^'\"?\\abfnrtv]'" 47 syn match cSpecialCharacter "L\='\\['\"?\\abfnrtv]'" 48endif 49syn match cSpecialCharacter display "L\='\\\o\{1,3}'" 50syn match cSpecialCharacter display "'\\x\x\{1,2}'" 51syn match cSpecialCharacter display "L'\\x\x\+'" 52 53"when wanted, highlight trailing white space 54if exists("c_space_errors") 55 if !exists("c_no_trail_space_error") 56 syn match cSpaceError display excludenl "\s\+$" 57 endif 58 if !exists("c_no_tab_space_error") 59 syn match cSpaceError display " \+\t"me=e-1 60 endif 61endif 62 63"catch errors caused by wrong parenthesis and brackets 64" also accept <% for {, %> for }, <: for [ and :> for ] (C99) 65" But avoid matching <::. 66syn 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 67if exists("c_no_curly_error") 68 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell 69 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 70 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 71 syn match cParenError display ")" 72 syn match cErrInParen display contained "^[{}]\|^<%\|^%>" 73elseif exists("c_no_bracket_error") 74 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell 75 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 76 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell 77 syn match cParenError display ")" 78 syn match cErrInParen display contained "[{}]\|<%\|%>" 79else 80 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell 81 " cCppParen: same as cParen but ends at end-of-line; used in cDefine 82 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell 83 syn match cParenError display "[\])]" 84 syn match cErrInParen display contained "[\]{}]\|<%\|%>" 85 syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,cCppString,@Spell 86 " cCppBracket: same as cParen but ends at end-of-line; used in cDefine 87 syn region cCppBracket transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell 88 syn match cErrInBracket display contained "[);{}]\|<%\|%>" 89endif 90 91"integer number, or floating point number without a dot and with "f". 92syn case ignore 93syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal 94" Same, but without octal error (for comments) 95syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal 96syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>" 97"hex number 98syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>" 99" Flag the first zero of an octal number as something special 100syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero 101syn match cOctalZero display contained "\<0" 102syn match cFloat display contained "\d\+f" 103"floating point number, with dot, optional exponent 104syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=" 105"floating point number, starting with a dot, optional exponent 106syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>" 107"floating point number, without dot, with exponent 108syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>" 109if !exists("c_no_c99") 110 "hexadecimal floating point number, optional leading digits, with dot, with exponent 111 syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>" 112 "hexadecimal floating point number, with leading digits, optional dot, with exponent 113 syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>" 114endif 115 116" flag an octal number with wrong digits 117syn match cOctalError display contained "0\o*[89]\d*" 118syn case match 119 120if exists("c_comment_strings") 121 " A comment can contain cString, cCharacter and cNumber. 122 " But a "*/" inside a cString in a cComment DOES end the comment! So we 123 " need to use a special type of cString: cCommentString, which also ends on 124 " "*/", and sees a "*" at the start of the line as comment again. 125 " Unfortunately this doesn't very well work for // type of comments :-( 126 syntax match cCommentSkip contained "^\s*\*\($\|\s\+\)" 127 syntax region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip 128 syntax region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial 129 syntax region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell 130 if exists("c_no_comment_fold") 131 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell 132 else 133 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold 134 endif 135else 136 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell 137 if exists("c_no_comment_fold") 138 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell 139 else 140 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold 141 endif 142endif 143" keep a // comment separately, it terminates a preproc. conditional 144syntax match cCommentError display "\*/" 145syntax match cCommentStartError display "/\*"me=e-1 contained 146 147syntax region cBlock start="{" end="}" transparent fold 148 149syn keyword cOperator sizeof 150if exists("c_gnu") 151 syn keyword cStatement __asm__ 152 syn keyword cOperator typeof __real__ __imag__ 153endif 154syn keyword cType int long short char void 155syn keyword cType signed unsigned float double 156if !exists("c_no_ansi") || exists("c_ansi_typedefs") 157 syn keyword cType size_t ssize_t wchar_t ptrdiff_t sig_atomic_t fpos_t 158 syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t 159 syn keyword cType mbstate_t wctrans_t wint_t wctype_t 160endif 161if !exists("c_no_c99") " ISO C99 162 syn keyword cType bool complex 163 syn keyword cType int8_t int16_t int32_t int64_t 164 syn keyword cType uint8_t uint16_t uint32_t uint64_t 165 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t 166 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t 167 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t 168 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t 169 syn keyword cType intptr_t uintptr_t 170 syn keyword cType intmax_t uintmax_t 171endif 172if exists("c_gnu") 173 syn keyword cType __label__ __complex__ __volatile__ 174endif 175 176syn keyword cStructure struct union enum typedef 177syn keyword cStorageClass static register auto volatile extern const 178if exists("c_gnu") 179 syn keyword cStorageClass inline __attribute__ 180endif 181if !exists("c_no_c99") 182 syn keyword cStorageClass inline restrict 183endif 184 185if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu") 186 if exists("c_gnu") 187 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ __func__ 188 endif 189 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__ 190 syn keyword cConstant __STDC_VERSION__ 191 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX 192 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX 193 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN 194 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX 195 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN 196 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX 197 if !exists("c_no_c99") 198 syn keyword cConstant __func__ 199 syn keyword cConstant LLONG_MAX ULLONG_MAX 200 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN 201 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX 202 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX 203 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN 204 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX 205 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX 206 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN 207 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX 208 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX 209 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX 210 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX 211 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX 212 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX 213 endif 214 syn keyword cConstant FLT_RADIX FLT_ROUNDS 215 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON 216 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON 217 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON 218 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP 219 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP 220 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP 221 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP 222 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP 223 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP 224 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL 225 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY 226 syn keyword cConstant LC_NUMERIC LC_TIME 227 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN 228 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM 229 " Add POSIX signals as well... 230 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP 231 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV 232 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU 233 syn keyword cConstant SIGUSR1 SIGUSR2 234 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF 235 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam 236 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET 237 syn keyword cConstant TMP_MAX stderr stdin stdout 238 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX 239 " Add POSIX errors as well 240 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY 241 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT 242 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR 243 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV 244 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS 245 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM 246 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV 247 " math.h 248 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4 249 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2 250endif 251if !exists("c_no_c99") " ISO C99 252 syn keyword cConstant true false 253endif 254 255" Accept %: for # (C99) 256syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" end="//"me=s-1 contains=cComment,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError 257syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>" 258if !exists("c_no_if0") 259 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 260 syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cSpaceError,cCppSkip 261 syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip 262endif 263syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+ 264syn match cIncluded display contained "<[^>]*>" 265syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded 266"syn match cLineSkip "\\$" 267syn 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 268syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" end="//"me=s-1 contains=ALLBUT,@cPreProcGroup,@Spell 269syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell 270 271" Highlight User Labels 272syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString 273syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell 274" Avoid matching foo::bar() in C++ by requiring that the next char is not ':' 275syn cluster cLabelGroup contains=cUserLabel 276syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup 277syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup 278syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 279syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup 280 281syn match cUserLabel display "\I\i*" contained 282 283" Avoid recognizing most bitfields as labels 284syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 285syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 286 287if exists("c_minlines") 288 let b:c_minlines = c_minlines 289else 290 if !exists("c_no_if0") 291 let b:c_minlines = 50 " #if 0 constructs can be long 292 else 293 let b:c_minlines = 15 " mostly for () constructs 294 endif 295endif 296exec "syn sync ccomment cComment minlines=" . b:c_minlines 297 298" Define the default highlighting. 299" Only used when an item doesn't have highlighting yet 300hi def link cFormat cSpecial 301hi def link cCppString cString 302hi def link cCommentL cComment 303hi def link cCommentStart cComment 304hi def link cLabel Label 305hi def link cUserLabel Label 306hi def link cConditional Conditional 307hi def link cRepeat Repeat 308hi def link cCharacter Character 309hi def link cSpecialCharacter cSpecial 310hi def link cNumber Number 311hi def link cOctal Number 312hi def link cOctalZero PreProc " link this to Error if you want 313hi def link cFloat Float 314hi def link cOctalError cError 315hi def link cParenError cError 316hi def link cErrInParen cError 317hi def link cErrInBracket cError 318hi def link cCommentError cError 319hi def link cCommentStartError cError 320hi def link cSpaceError cError 321hi def link cSpecialError cError 322hi def link cOperator Operator 323hi def link cStructure Structure 324hi def link cStorageClass StorageClass 325hi def link cInclude Include 326hi def link cPreProc PreProc 327hi def link cDefine Macro 328hi def link cIncluded cString 329hi def link cError Error 330hi def link cStatement Statement 331hi def link cPreCondit PreCondit 332hi def link cType Type 333hi def link cConstant Constant 334hi def link cCommentString cString 335hi def link cComment2String cString 336hi def link cCommentSkip cComment 337hi def link cString String 338hi def link cComment Comment 339hi def link cSpecial SpecialChar 340hi def link cTodo Todo 341hi def link cCppSkip cCppOut 342hi def link cCppOut2 cCppOut 343hi def link cCppOut Comment 344 345let b:current_syntax = "c" 346 347" vim: ts=8 348