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- " Vim syntax file
- " Language: C
- " Maintainer: Bram Moolenaar <[email protected]>
- " Last Change: 2008 Mar 19
- " Quit when a (custom) syntax file was already loaded
- if exists("b:current_syntax")
- finish
- endif
- " A bunch of useful C keywords
- syn keyword cStatement goto break return continue asm
- syn keyword cLabel case default
- syn keyword cConditional if else switch
- syn keyword cRepeat while for do
- syn keyword cTodo contained TODO FIXME XXX
- " cCommentGroup allows adding matches for special things in comments
- syn cluster cCommentGroup contains=cTodo
- " String and Character constants
- " Highlight special characters (those which have a backslash) differently
- syn match cSpecial display contained "\\\(x\x\+\|\o\{1,3}\|.\|$\)"
- if !exists("c_no_utf")
- syn match cSpecial display contained "\\\(u\x\{4}\|U\x\{8}\)"
- endif
- if exists("c_no_cformat")
- syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,@Spell
- " cCppString: same as cString, but ends at end of line
- syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,@Spell
- else
- if !exists("c_no_c99") " ISO C99
- syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlLjzt]\|ll\|hh\)\=\([aAbdiuoxXDOUfFeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained
- else
- syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([bdiuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained
- endif
- syn match cFormat display "%%" contained
- syn region cString start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell
- " cCppString: same as cString, but ends at end of line
- syn region cCppString start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell
- endif
- syn match cCharacter "L\='[^\\]'"
- syn match cCharacter "L'[^']*'" contains=cSpecial
- if exists("c_gnu")
- syn match cSpecialError "L\='\\[^'\"?\\abefnrtv]'"
- syn match cSpecialCharacter "L\='\\['\"?\\abefnrtv]'"
- else
- syn match cSpecialError "L\='\\[^'\"?\\abfnrtv]'"
- syn match cSpecialCharacter "L\='\\['\"?\\abfnrtv]'"
- endif
- syn match cSpecialCharacter display "L\='\\\o\{1,3}'"
- syn match cSpecialCharacter display "'\\x\x\{1,2}'"
- syn match cSpecialCharacter display "L'\\x\x\+'"
- "when wanted, highlight trailing white space
- if exists("c_space_errors")
- if !exists("c_no_trail_space_error")
- syn match cSpaceError display excludenl "\s\+$"
- endif
- if !exists("c_no_tab_space_error")
- syn match cSpaceError display " \+\t"me=e-1
- endif
- endif
- " This should be before cErrInParen to avoid problems with #define ({ xxx })
- if exists("c_curly_error")
- syntax match cCurlyError "}"
- syntax region cBlock start="{" end="}" contains=ALLBUT,cCurlyError,@cParenGroup,cErrInParen,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell fold
- else
- syntax region cBlock start="{" end="}" transparent fold
- endif
- "catch errors caused by wrong parenthesis and brackets
- " also accept <% for {, %> for }, <: for [ and :> for ] (C99)
- " But avoid matching <::.
- syn cluster cParenGroup contains=cParenError,cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom
- if exists("c_no_curly_error")
- syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell
- " cCppParen: same as cParen but ends at end-of-line; used in cDefine
- syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell
- syn match cParenError display ")"
- syn match cErrInParen display contained "^[{}]\|^<%\|^%>"
- elseif exists("c_no_bracket_error")
- syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cCppString,@Spell
- " cCppParen: same as cParen but ends at end-of-line; used in cDefine
- syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell
- syn match cParenError display ")"
- syn match cErrInParen display contained "[{}]\|<%\|%>"
- else
- syn region cParen transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,cCppString,@Spell
- " cCppParen: same as cParen but ends at end-of-line; used in cDefine
- syn region cCppParen transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell
- syn match cParenError display "[\])]"
- syn match cErrInParen display contained "[\]{}]\|<%\|%>"
- syn region cBracket transparent start='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,cCppString,@Spell
- " cCppBracket: same as cParen but ends at end-of-line; used in cDefine
- syn region cCppBracket transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell
- syn match cErrInBracket display contained "[);{}]\|<%\|%>"
- endif
- "integer number, or floating point number without a dot and with "f".
- syn case ignore
- syn match cNumbers display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal
- " Same, but without octal error (for comments)
- syn match cNumbersCom display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal
- syn match cNumber display contained "\d\+\(u\=l\{0,2}\|ll\=u\)\>"
- "hex number
- syn match cNumber display contained "0x\x\+\(u\=l\{0,2}\|ll\=u\)\>"
- " Flag the first zero of an octal number as something special
- syn match cOctal display contained "0\o\+\(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero
- syn match cOctalZero display contained "\<0"
- syn match cFloat display contained "\d\+f"
- "floating point number, with dot, optional exponent
- syn match cFloat display contained "\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\="
- "floating point number, starting with a dot, optional exponent
- syn match cFloat display contained "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
- "floating point number, without dot, with exponent
- syn match cFloat display contained "\d\+e[-+]\=\d\+[fl]\=\>"
- if !exists("c_no_c99")
- "hexadecimal floating point number, optional leading digits, with dot, with exponent
- syn match cFloat display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>"
- "hexadecimal floating point number, with leading digits, optional dot, with exponent
- syn match cFloat display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>"
- endif
- " flag an octal number with wrong digits
- syn match cOctalError display contained "0\o*[89]\d*"
- syn case match
- if exists("c_comment_strings")
- " A comment can contain cString, cCharacter and cNumber.
- " But a "*/" inside a cString in a cComment DOES end the comment! So we
- " need to use a special type of cString: cCommentString, which also ends on
- " "*/", and sees a "*" at the start of the line as comment again.
- " Unfortunately this doesn't very well work for // type of comments :-(
- syntax match cCommentSkip contained "^\s*\*\($\|\s\+\)"
- syntax region cCommentString contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip
- syntax region cComment2String contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial
- syntax region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell
- if exists("c_no_comment_fold")
- " Use "extend" here to have preprocessor lines not terminate halfway a
- " comment.
- syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell extend
- else
- syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold extend
- endif
- else
- syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell
- if exists("c_no_comment_fold")
- syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell extend
- else
- syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold extend
- endif
- endif
- " keep a // comment separately, it terminates a preproc. conditional
- syntax match cCommentError display "\*/"
- syntax match cCommentStartError display "/\*"me=e-1 contained
- syn keyword cOperator sizeof
- if exists("c_gnu")
- syn keyword cStatement __asm__
- syn keyword cOperator typeof __real__ __imag__
- endif
- syn keyword cType int long short char void
- syn keyword cType signed unsigned float double
- if !exists("c_no_ansi") || exists("c_ansi_typedefs")
- syn keyword cType size_t ssize_t off_t wchar_t ptrdiff_t sig_atomic_t fpos_t
- syn keyword cType clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t
- syn keyword cType mbstate_t wctrans_t wint_t wctype_t
- endif
- if !exists("c_no_c99") " ISO C99
- syn keyword cType bool complex
- syn keyword cType int8_t int16_t int32_t int64_t
- syn keyword cType uint8_t uint16_t uint32_t uint64_t
- syn keyword cType int_least8_t int_least16_t int_least32_t int_least64_t
- syn keyword cType uint_least8_t uint_least16_t uint_least32_t uint_least64_t
- syn keyword cType int_fast8_t int_fast16_t int_fast32_t int_fast64_t
- syn keyword cType uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t
- syn keyword cType intptr_t uintptr_t
- syn keyword cType intmax_t uintmax_t
- endif
- if exists("c_gnu")
- syn keyword cType __label__ __complex__ __volatile__
- endif
- syn keyword cStructure struct union enum typedef
- syn keyword cStorageClass static register auto volatile extern const
- if exists("c_gnu")
- syn keyword cStorageClass inline __attribute__
- endif
- if !exists("c_no_c99")
- syn keyword cStorageClass inline restrict
- endif
- if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu")
- if exists("c_gnu")
- syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ __func__
- endif
- syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__
- syn keyword cConstant __STDC_VERSION__
- syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX
- syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX
- syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN
- syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX
- syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN
- syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX
- if !exists("c_no_c99")
- syn keyword cConstant __func__
- syn keyword cConstant LLONG_MIN LLONG_MAX ULLONG_MAX
- syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN
- syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX
- syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX
- syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN
- syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX
- syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX
- syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN
- syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX
- syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX
- syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX
- syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX
- syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX
- syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX
- endif
- syn keyword cConstant FLT_RADIX FLT_ROUNDS
- syn keyword cConstant FLT_DIG FLT_MANT_DIG FLT_EPSILON
- syn keyword cConstant DBL_DIG DBL_MANT_DIG DBL_EPSILON
- syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON
- syn keyword cConstant FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP
- syn keyword cConstant FLT_MIN_10_EXP FLT_MAX_10_EXP
- syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP
- syn keyword cConstant DBL_MIN_10_EXP DBL_MAX_10_EXP
- syn keyword cConstant LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP
- syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP
- syn keyword cConstant HUGE_VAL CLOCKS_PER_SEC NULL
- syn keyword cConstant LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY
- syn keyword cConstant LC_NUMERIC LC_TIME
- syn keyword cConstant SIG_DFL SIG_ERR SIG_IGN
- syn keyword cConstant SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM
- " Add POSIX signals as well...
- syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP
- syn keyword cConstant SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV
- syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU
- syn keyword cConstant SIGUSR1 SIGUSR2
- syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF
- syn keyword cConstant FOPEN_MAX FILENAME_MAX L_tmpnam
- syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET
- syn keyword cConstant TMP_MAX stderr stdin stdout
- syn keyword cConstant EXIT_FAILURE EXIT_SUCCESS RAND_MAX
- " Add POSIX errors as well
- syn keyword cConstant E2BIG EACCES EAGAIN EBADF EBADMSG EBUSY
- syn keyword cConstant ECANCELED ECHILD EDEADLK EDOM EEXIST EFAULT
- syn keyword cConstant EFBIG EILSEQ EINPROGRESS EINTR EINVAL EIO EISDIR
- syn keyword cConstant EMFILE EMLINK EMSGSIZE ENAMETOOLONG ENFILE ENODEV
- syn keyword cConstant ENOENT ENOEXEC ENOLCK ENOMEM ENOSPC ENOSYS
- syn keyword cConstant ENOTDIR ENOTEMPTY ENOTSUP ENOTTY ENXIO EPERM
- syn keyword cConstant EPIPE ERANGE EROFS ESPIPE ESRCH ETIMEDOUT EXDEV
- " math.h
- syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4
- syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2
- endif
- if !exists("c_no_c99") " ISO C99
- syn keyword cConstant true false
- endif
- " Accept %: for # (C99)
- 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
- syn match cPreCondit display "^\s*\(%:\|#\)\s*\(else\|endif\)\>"
- if !exists("c_no_if0")
- if !exists("c_no_if0_fold")
- syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2 fold
- else
- syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2
- endif
- syn region cCppOut2 contained start="0" end="^\s*\(%:\|#\)\s*\(endif\>\|else\>\|elif\>\)" contains=cSpaceError,cCppSkip
- syn region cCppSkip contained start="^\s*\(%:\|#\)\s*\(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip
- endif
- syn region cIncluded display contained start=+"+ skip=+\\\\\|\\"+ end=+"+
- syn match cIncluded display contained "<[^>]*>"
- syn match cInclude display "^\s*\(%:\|#\)\s*include\>\s*["<]" contains=cIncluded
- "syn match cLineSkip "\\$"
- 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
- syn region cDefine start="^\s*\(%:\|#\)\s*\(define\|undef\)\>" skip="\\$" end="$" end="//"me=s-1 keepend contains=ALLBUT,@cPreProcGroup,@Spell
- syn region cPreProc start="^\s*\(%:\|#\)\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell
- " Highlight User Labels
- syn cluster cMultiGroup contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOut,cCppOut2,cCppSkip,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString
- syn region cMulti transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell
- " Avoid matching foo::bar() in C++ by requiring that the next char is not ':'
- syn cluster cLabelGroup contains=cUserLabel
- syn match cUserCont display "^\s*\I\i*\s*:$" contains=@cLabelGroup
- syn match cUserCont display ";\s*\I\i*\s*:$" contains=@cLabelGroup
- syn match cUserCont display "^\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
- syn match cUserCont display ";\s*\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup
- syn match cUserLabel display "\I\i*" contained
- " Avoid recognizing most bitfields as labels
- syn match cBitField display "^\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType
- syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1 contains=cType
- @@" Highlight Class and Function names
- @@syn match cCustomParen "(" contains=cParen,cCppParen
- @@syn match cCustomFunc "\w\+\s*(" contains=cCustomParen
- @@syn match cCustomScope "::"
- @@syn match cCustomClass "\w\+\s*::" contains=cCustomScope
- @@
- @@hi def link cCustomFunc Function
- @@hi def link cCustomClass Function
- if exists("c_minlines")
- let b:c_minlines = c_minlines
- else
- if !exists("c_no_if0")
- let b:c_minlines = 50 " #if 0 constructs can be long
- else
- let b:c_minlines = 15 " mostly for () constructs
- endif
- endif
- if exists("c_curly_error")
- syn sync fromstart
- else
- exec "syn sync ccomment cComment minlines=" . b:c_minlines
- endif
- " Define the default highlighting.
- " Only used when an item doesn't have highlighting yet
- hi def link cFormat cSpecial
- hi def link cCppString cString
- hi def link cCommentL cComment
- hi def link cCommentStart cComment
- hi def link cLabel Label
- hi def link cUserLabel Label
- hi def link cConditional Conditional
- hi def link cRepeat Repeat
- hi def link cCharacter Character
- hi def link cSpecialCharacter cSpecial
- hi def link cNumber Number
- hi def link cOctal Number
- hi def link cOctalZero PreProc " link this to Error if you want
- hi def link cFloat Float
- hi def link cOctalError cError
- hi def link cParenError cError
- hi def link cErrInParen cError
- hi def link cErrInBracket cError
- hi def link cCommentError cError
- hi def link cCommentStartError cError
- hi def link cSpaceError cError
- hi def link cSpecialError cError
- hi def link cCurlyError cError
- hi def link cOperator Operator
- hi def link cStructure Structure
- hi def link cStorageClass StorageClass
- hi def link cInclude Include
- hi def link cPreProc PreProc
- hi def link cDefine Macro
- hi def link cIncluded cString
- hi def link cError Error
- hi def link cStatement Statement
- hi def link cPreCondit PreCondit
- hi def link cType Type
- hi def link cConstant Constant
- hi def link cCommentString cString
- hi def link cComment2String cString
- hi def link cCommentSkip cComment
- hi def link cString String
- hi def link cComment Comment
- hi def link cSpecial SpecialChar
- hi def link cTodo Todo
- hi def link cCppSkip cCppOut
- hi def link cCppOut2 cCppOut
- hi def link cCppOut Comment
- let b:current_syntax = "c"
- " vim: ts=8
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