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vim/runtime/syntax/c.vim
Bram Moolenaar d857f0e0f4 updated for version 7.0089
2005-06-21 22:37:39 +00:00

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" Vim syntax file
" Language: C
" Maintainer: Bram Moolenaar <Bram@vim.org>
" Last Change: 2005 Jun 20
" 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
syn match cFormat display "%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([bdiuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained
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
"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,cCommentSkip,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="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,@Spell
if exists("c_no_comment_fold")
syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell
else
syntax region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold
endif
else
syn region cCommentL start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell
if exists("c_no_comment_fold")
syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell
else
syn region cComment matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold
endif
endif
" keep a // comment separately, it terminates a preproc. conditional
syntax match cCommentError display "\*/"
syntax match cCommentStartError display "/\*"me=e-1 contained
syntax region cBlock start="{" end="}" transparent fold
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 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__
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 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")
syn region cCppOut start="^\s*\(%:\|#\)\s*if\s\+0\+\>" end=".\@=\|$" contains=cCppOut2
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 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
syn match cBitField display ";\s*\I\i*\s*:\s*[1-9]"me=e-1
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
exec "syn sync ccomment cComment minlines=" . b:c_minlines
" 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 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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