3 " Maintainer: Andrew Rodland <arodland@entermail.net>
4 " Last Change: 2004 Aug 2
6 " For version 5.x: Clear all syntax items
7 " For version 6.x: Quit when a syntax file was already loaded
10 elseif exists("b:current_syntax")
14 syn include @Pod syntax/pod.vim
15 syn region pmcPod start="^=[a-z]" end="^=cut" keepend contained contains=@Pod
17 " A bunch of useful C keywords
18 syn keyword cStatement goto break return continue asm
19 syn keyword cLabel case default
20 syn keyword cConditional if else switch
21 syn keyword cRepeat while for do
23 syn keyword cTodo contained TODO FIXME XXX
25 " cCommentGroup allows adding matches for special things in comments
26 syn cluster cCommentGroup contains=cTodo
28 " String and Character constants
29 " Highlight special characters (those which have a backslash) differently
30 syn match cSpecial display contained "\\\(x\x\+\|\o\{1,3}\|.\|$\)"
31 if !exists("c_no_utf")
32 syn match cSpecial display contained "\\\(u\x\{4}\|U\x\{8}\)"
34 if exists("c_no_cformat")
35 syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial
36 " cCppString: same as cString, but ends at end of line
37 syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial
39 syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([diuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained
40 syn match cFormat display "%%" contained
41 syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat
42 " cCppString: same as cString, but ends at end of line
43 syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat
46 syn match cCharacter "L\='[^\\]'"
47 syn match cCharacter "L'[^']*'" contains=cSpecial
49 syn match cSpecialError "L\='\\[^'\"?\\abefnrtv]'"
50 syn match cSpecialCharacter "L\='\\['\"?\\abefnrtv]'"
52 syn match cSpecialError "L\='\\[^'\"?\\abfnrtv]'"
53 syn match cSpecialCharacter "L\='\\['\"?\\abfnrtv]'"
55 syn match cSpecialCharacter display "L\='\\\o\{1,3}'"
56 syn match cSpecialCharacter display "'\\x\x\{1,2}'"
57 syn match cSpecialCharacter display "L'\\x\x\+'"
59 "when wanted, highlight trailing white space
60 if exists("c_space_errors")
61 if !exists("c_no_trail_space_error")
62 syn match cSpaceError display excludenl "\s\+$"
64 if !exists("c_no_tab_space_error")
65 syn match cSpaceError display " \+\t"me=e-1
69 "catch errors caused by wrong parenthesis and brackets
70 " also accept <% for {, %> for }, <: for [ and :> for ] (C99)
71 syn 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
72 if exists("c_no_bracket_error")
73 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString
74 " cCppParen: same as cParen but ends at end-of-line; used in cDefine
75 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString
76 syn match cParenError display ")"
77 syn match cErrInParen display contained "[{}]\|<%\|%>"
79 syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,cCppString
80 " cCppParen: same as cParen but ends at end-of-line; used in cDefine
81 syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString
82 syn match cParenError display "[\])]"
83 syn match cErrInParen display contained "[\]{}]\|<%\|%>"
84 syn region cBracket transparent start='\[\|<:' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,cCppString
85 " cCppBracket: same as cParen but ends at end-of-line; used in cDefine
86 syn region cCppBracket transparent start='\[\|<:' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString
87 syn match cErrInBracket display contained "[);{}]\|<%\|%>"
90 "integer number, or floating point number without a dot and with "f".
92 syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal
93 " Same, but without octal error (for comments)
94 syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal
95 syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>"
97 syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>"
98 " Flag the first zero of an octal number as something special
99 syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero
100 syn match cOctalZero display contained "\<0"
101 syn match cFloat display contained "\d\+f"
102 "floating point number, with dot, optional exponent
103 syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\="
104 "floating point number, starting with a dot, optional exponent
105 syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
106 "floating point number, without dot, with exponent
107 syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>"
108 if !exists("c_no_c99")
109 "hexadecimal floating point number, optional leading digits, with dot, with exponent
110 syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>"
111 "hexadecimal floating point number, with leading digits, optional dot, with exponent
112 syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>"
115 " flag an octal number with wrong digits
116 syn match cOctalError display contained "0\o*[89]\d*"
119 if exists("c_comment_strings")
120 " A comment can contain cString, cCharacter and cNumber.
121 " But a "*/" inside a cString in a cComment DOES end the comment! So we
122 " need to use a special type of cString: cCommentString, which also ends on
123 " "*/", and sees a "*" at the start of the line as comment again.
124 " Unfortunately this doesn't very well work for // type of comments :-(
125 syntax match cCommentSkip contained "^\s*\*\($\|\s\+\)"
126 syntax region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip
127 syntax region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial
128 syntax region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError
129 syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,pmcPOD
131 syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError
132 syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,pmcPOD
134 " keep a // comment separately, it terminates a preproc. conditional
135 syntax match cCommentError display "\*/"
136 syntax match cCommentStartError display "/\*"me=e-1 contained
138 syn keyword cOperator sizeof
140 syn keyword cStatement __asm__
141 syn keyword cOperator typeof __real__ __imag__
143 syn keyword cType int long short char void
144 syn keyword cType signed unsigned float double
145 if !exists("c_no_ansi") || exists("c_ansi_typedefs")
146 syn keyword cType size_t ssize_t wchar_t ptrdiff_t sig_atomic_t fpos_t
147 syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t
148 syn keyword cType mbstate_t wctrans_t wint_t wctype_t
150 if !exists("c_no_c99") " ISO C99
151 syn keyword cType bool complex
152 syn keyword cType int8_t int16_t int32_t int64_t
153 syn keyword cType uint8_t uint16_t uint32_t uint64_t
154 syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t
155 syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t
156 syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t
157 syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t
158 syn keyword cType intptr_t uintptr_t
159 syn keyword cType intmax_t uintmax_t
162 syn keyword cType __label__ __complex__ __volatile__
165 syn keyword cStructure struct union enum typedef
166 syn keyword cStorageClass static register auto volatile extern const
168 syn keyword cStorageClass inline __attribute__
170 if !exists("c_no_c99")
171 syn keyword cStorageClass inline restrict
174 if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu")
176 syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__
178 syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__
179 syn keyword cConstant __STDC_VERSION__
180 syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX
181 syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX
182 syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN
183 syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX
184 syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN
185 syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX
186 if !exists("c_no_c99")
187 syn keyword cConstant LLONG_MAX ULLONG_MAX
188 syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN
189 syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX
190 syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX
191 syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN
192 syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX
193 syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX
194 syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN
195 syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX
196 syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX
197 syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX
198 syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX
199 syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX
200 syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX
202 syn keyword cConstant FLT_RADIX FLT_ROUNDS
203 syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON
204 syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON
205 syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON
206 syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP
207 syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP
208 syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP
209 syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP
210 syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP
211 syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP
212 syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL
213 syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY
214 syn keyword cConstant LC_NUMERIC LC_TIME
215 syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN
216 syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM
217 " Add POSIX signals as well...
218 syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP
219 syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV
220 syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU
221 syn keyword cConstant SIGUSR1 SIGUSR2
222 syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF
223 syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam
224 syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET
225 syn keyword cConstant TMP_MAX stderr stdin stdout
226 syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX
227 " Add signals not mentioned above
228 syn keyword cConstant SIGXCPU SIGURG SIGBUS SIGVTALRM SIGPROF SIGWINCH
229 syn keyword cConstant SIGPWR SIGSYS SIGXFSZ SIGIO
230 " Add POSIX errors as well
231 syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY
232 syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT
233 syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR
234 syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV
235 syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS
236 syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM
237 syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV
239 syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4
240 syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2
242 if !exists("c_no_c99") " ISO C99
243 syn keyword cConstant true false
246 " Accept %: for # (C99)
247 syn region cPreCondit start="^\s*\(%:\|#\)\s*\(if\|ifdef\|ifndef\|elif\)\>" skip="\\$" end="$" end="//"me=s-1 contains=cComment,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError
248 syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>"
249 if !exists("c_no_if0")
250 syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2
251 syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cSpaceError,cCppSkip
252 syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip
254 syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+
255 syn match cIncluded display contained "<[^>]*>"
256 syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded
257 "syn match cLineSkip "\\$"
258 syn 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
259 syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" end="//"me=s-1 contains=ALLBUT,@cPreProcGroup
260 syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup
262 " Highlight User Labels
263 syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString
264 syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup
265 " Avoid matching foo::bar() in C++ by requiring that the next char is not ':'
266 syn cluster cLabelGroup contains=cUserLabel
267 syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup
268 syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup
269 syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
270 syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
272 syn match cUserLabel display "\I\i*" contained
274 " Avoid recognizing most bitfields as labels
275 syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1
276 syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1
278 if exists("c_minlines")
279 let b:c_minlines = c_minlines
281 if !exists("c_no_if0")
282 let b:c_minlines = 50 " #if 0 constructs can be long
284 let b:c_minlines = 15 " mostly for () constructs
287 exec "syn sync ccomment cComment minlines=" . b:c_minlines
289 " Define the default highlighting.
290 " For version 5.7 and earlier: only when not done already
291 " For version 5.8 and later: only when an item doesn't have highlighting yet
292 if version >= 508 || !exists("did_c_syn_inits")
294 let did_c_syn_inits = 1
295 command -nargs=+ HiLink hi link <args>
297 command -nargs=+ HiLink hi def link <args>
300 HiLink cFormat cSpecial
301 HiLink cCppString cString
302 HiLink cCommentL cComment
303 HiLink cCommentStart cComment
305 HiLink cUserLabel Label
306 HiLink cConditional Conditional
307 HiLink cRepeat Repeat
308 HiLink cCharacter Character
309 HiLink cSpecialCharacter cSpecial
310 HiLink cNumber Number
312 HiLink cOctalZero PreProc " link this to Error if you want
314 HiLink cOctalError cError
315 HiLink cParenError cError
316 HiLink cErrInParen cError
317 HiLink cErrInBracket cError
318 HiLink cCommentError cError
319 HiLink cCommentStartError cError
320 HiLink cSpaceError cError
321 HiLink cSpecialError cError
322 HiLink cOperator Operator
323 HiLink cStructure Structure
324 HiLink cStorageClass StorageClass
325 HiLink cInclude Include
326 HiLink cPreProc PreProc
328 HiLink cIncluded cString
330 HiLink cStatement Statement
331 HiLink cPreCondit PreCondit
333 HiLink cConstant Constant
334 HiLink cCommentString cString
335 HiLink cComment2String cString
336 HiLink cCommentSkip cComment
337 HiLink cString String
338 HiLink cComment Comment
339 HiLink cSpecial SpecialChar
341 HiLink cCppSkip cCppOut
342 HiLink cCppOut2 cCppOut
343 HiLink cCppOut Comment
348 let b:current_syntax = "pmc"