codekingpro/portable-devtools

1" Vim syntax file2" Language:		C3" Maintainer:		The Vim Project <https://github.com/vim/vim>4" Last Change:		2026 Jan 135" Former Maintainer:	Bram Moolenaar <Bram@vim.org>6 7" Quit when a (custom) syntax file was already loaded8if exists("b:current_syntax")9  finish10endif11 12let s:cpo_save = &cpo13set cpo&vim14 15let s:ft = matchstr(&ft, '^\%([^.]\)\+')16 17" check if this was included from cpp.vim18let s:in_cpp_family = exists("b:filetype_in_cpp_family")19 20" Optional embedded Autodoc parsing21" To enable it add: let g:c_autodoc = 122" to your .vimrc23if exists("c_autodoc")24  syn include @cAutodoc <sfile>:p:h/autodoc.vim25  unlet b:current_syntax26endif27 28" A bunch of useful C keywords29syn keyword	cStatement	goto break return continue asm30syn keyword	cLabel		case default31syn keyword	cConditional	if else switch32syn keyword	cRepeat		while for do33 34syn keyword	cTodo		contained TODO FIXME XXX35 36" It's easy to accidentally add a space after a backslash that was intended37" for line continuation.  Some compilers allow it, which makes it38" unpredictable and should be avoided.39syn match	cBadContinuation contained "\\\s\+$"40 41" cCommentGroup allows adding matches for special things in comments42syn cluster	cCommentGroup	contains=cTodo,cBadContinuation43 44" String and Character constants45" Highlight special characters (those which have a backslash) differently46syn match	cSpecial	display contained "\\\%(x\x\+\|\o\{1,3}\|.\|$\)"47if !exists("c_no_utf")48  syn match	cSpecial	display contained "\\\%(u\x\{4}\|U\x\{8}\)"49endif50 51if !exists("c_no_cformat")52  " Highlight % items in strings.53  if !exists("c_no_c99") " ISO C9954    syn match	cFormat		display "%\%(\d\+\$\)\=[-+' #0*]*\%(\d*\|\*\|\*\d\+\$\)\%(\.\%(\d*\|\*\|\*\d\+\$\)\)\=\%([hlLjzt]\|ll\|hh\)\=\%([aAbdiuoxXDOUfFeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained55  else56    syn match	cFormat		display "%\%(\d\+\$\)\=[-+' #0*]*\%(\d*\|\*\|\*\d\+\$\)\%(\.\%(\d*\|\*\|\*\d\+\$\)\)\=\%([hlL]\|ll\)\=\%([bdiuoxXDOUfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained57  endif58  syn match	cFormat		display "%%" contained59endif60 61" cCppString: same as cString, but ends at end of line62if s:in_cpp_family && !exists("cpp_no_cpp11") && !exists("c_no_cformat")63  " ISO C++1164  syn region	cString		start=+\%(L\|u\|u8\|U\|R\|LR\|u8R\|uR\|UR\)\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend65  syn region 	cCppString	start=+\%(L\|u\|u8\|U\|R\|LR\|u8R\|uR\|UR\)\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell66elseif s:ft ==# "c" && !exists("c_no_c11") && !exists("c_no_cformat")67  " ISO C9968  syn region	cString		start=+\%(L\|U\|u8\)\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend69  syn region	cCppString	start=+\%(L\|U\|u8\)\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell70else71  " older C or C++72  syn match	cFormat		display "%%" contained73  syn region	cString		start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend74  syn region	cCppString	start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat,@Spell75endif76 77syn region	cCppSkip	contained start="^\s*\%(%:\|#\)\s*\%(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\%(%:\|#\)\s*endif\>" contains=cSpaceError,cCppSkip78 79syn cluster	cStringGroup	contains=cCppString,cCppSkip80 81syn match	cCharacter	"L\='[^\\]'"82syn match	cCharacter	"L'[^']*'" contains=cSpecial83if exists("c_gnu")84  syn match	cSpecialError	"L\='\\[^'\"?\\abefnrtv]'"85  syn match	cSpecialCharacter "L\='\\['\"?\\abefnrtv]'"86else87  syn match	cSpecialError	"L\='\\[^'\"?\\abfnrtv]'"88  syn match	cSpecialCharacter "L\='\\['\"?\\abfnrtv]'"89endif90syn match	cSpecialCharacter display "L\='\\\o\{1,3}'"91syn match	cSpecialCharacter display "'\\x\x\{1,2}'"92syn match	cSpecialCharacter display "L'\\x\x\+'"93 94if (s:ft ==# "c" && !exists("c_no_c11")) || (s:in_cpp_family && !exists("cpp_no_cpp11"))95  " ISO C11 or ISO C++ 1196  if exists("c_no_cformat")97    syn region	cString		start=+\%(U\|u8\=\)"+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,@Spell extend98  else99    syn region	cString		start=+\%(U\|u8\=\)"+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat,@Spell extend100  endif101  syn match	cCharacter	"[Uu]'[^\\]'"102  syn match	cCharacter	"[Uu]'[^']*'" contains=cSpecial103  if exists("c_gnu")104    syn match	cSpecialError	"[Uu]'\\[^'\"?\\abefnrtv]'"105    syn match	cSpecialCharacter "[Uu]'\\['\"?\\abefnrtv]'"106  else107    syn match	cSpecialError	"[Uu]'\\[^'\"?\\abfnrtv]'"108    syn match	cSpecialCharacter "[Uu]'\\['\"?\\abfnrtv]'"109  endif110  syn match	cSpecialCharacter display "[Uu]'\\\o\{1,3}'"111  syn match	cSpecialCharacter display "[Uu]'\\x\x\+'"112endif113 114if (s:ft ==# "c" && !exists("c_no_c23")) || (s:in_cpp_family && !exists("cpp_no_cpp17"))115  syn match	cCharacter	"u8'[^\\]'"116  syn match	cCharacter	"u8'[^']*'" contains=cSpecial117  if exists("c_gnu")118    syn match	cSpecialError	"u8'\\[^'\"?\\abefnrtv]'"119    syn match	cSpecialCharacter "u8'\\['\"?\\abefnrtv]'"120  else121    syn match	cSpecialError	"u8'\\[^'\"?\\abfnrtv]'"122    syn match	cSpecialCharacter "u8'\\['\"?\\abfnrtv]'"123  endif124  syn match	cSpecialCharacter display "u8'\\\o\{1,3}'"125  syn match	cSpecialCharacter display "u8'\\x\x\+'"126endif127 128"when wanted, highlight trailing white space129if exists("c_space_errors")130  if !exists("c_no_trail_space_error")131    syn match	cSpaceError	display excludenl "\s\+$"132  endif133  if !exists("c_no_tab_space_error")134    syn match	cSpaceError	display " \+\t"me=e-1135  endif136endif137 138" This should be before cErrInParen to avoid problems with #define ({ xxx })139if exists("c_curly_error")140  syn match cCurlyError "}"141  syn region	cBlock		start="{" end="}" contains=ALLBUT,cBadBlock,cCurlyError,@cParenGroup,cErrInParen,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell fold142else143  syn region	cBlock		start="{" end="}" transparent fold144endif145 146" Catch errors caused by wrong parenthesis and brackets.147" Also accept <% for {, %> for }, <: for [ and :> for ] (C99)148" But avoid matching <::.149syn cluster	cParenGroup	contains=cParenError,cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserLabel,cBitField,cOctalZero,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom150if exists("c_no_curly_error")151  if s:in_cpp_family && !exists("cpp_no_cpp11")152    syn region	cParen		transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,@cStringGroup,@Spell153    " cCppParen: same as cParen but ends at end-of-line; used in cDefine154    syn region	cCppParen	transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell155    syn match	cParenError	display ")"156    syn match	cErrInParen	display contained "^^<%\|^%>"157  else158    syn region	cParen		transparent start='(' end=')' contains=ALLBUT,cBlock,@cParenGroup,cCppParen,@cStringGroup,@Spell159    " cCppParen: same as cParen but ends at end-of-line; used in cDefine160    syn region	cCppParen	transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell161    syn match	cParenError	display ")"162    syn match	cErrInParen	display contained "^[{}]\|^<%\|^%>"163  endif164elseif exists("c_no_bracket_error")165  if s:in_cpp_family && !exists("cpp_no_cpp11")166    syn region	cParen		transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,@cStringGroup,@Spell167    " cCppParen: same as cParen but ends at end-of-line; used in cDefine168    syn region	cCppParen	transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell169    syn match	cParenError	display ")"170    syn match	cErrInParen	display contained "<%\|%>"171  else172    syn region	cParen		transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,@cStringGroup,@Spell173    " cCppParen: same as cParen but ends at end-of-line; used in cDefine174    syn region	cCppParen	transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cParen,cString,@Spell175    syn match	cParenError	display ")"176    syn match	cErrInParen	display contained "[{}]\|<%\|%>"177  endif178else179  if s:in_cpp_family && !exists("cpp_no_cpp11")180    syn region	cParen		transparent start='(' end=')' contains=ALLBUT,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell181    " cCppParen: same as cParen but ends at end-of-line; used in cDefine182    syn region	cCppParen	transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell183    syn match	cParenError	display "[\])]"184    syn match	cErrInParen	display contained "<%\|%>"185    syn region	cBracket	transparent start='\[\|<::\@!' end=']\|:>' contains=ALLBUT,@cParenGroup,cErrInParen,cCppParen,cCppBracket,@cStringGroup,@Spell186  else187    syn region	cParen		transparent start='(' end=')' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cCppParen,cErrInBracket,cCppBracket,@cStringGroup,@Spell188    " cCppParen: same as cParen but ends at end-of-line; used in cDefine189    syn region	cCppParen	transparent start='(' skip='\\$' excludenl end=')' end='$' contained contains=ALLBUT,@cParenGroup,cErrInBracket,cParen,cBracket,cString,@Spell190    syn match	cParenError	display "[\])]"191    syn match	cErrInParen	display contained "[\]{}]\|<%\|%>"192    syn region	cBracket	transparent start='\[\|<::\@!' end=']\|:>' end='}'me=s-1 contains=ALLBUT,cBlock,@cParenGroup,cErrInParen,cCppParen,cCppBracket,@cStringGroup,@Spell193  endif194  " cCppBracket: same as cParen but ends at end-of-line; used in cDefine195  syn region	cCppBracket	transparent start='\[\|<::\@!' skip='\\$' excludenl end=']\|:>' end='$' contained contains=ALLBUT,@cParenGroup,cErrInParen,cParen,cBracket,cString,@Spell196  syn match	cErrInBracket	display contained "[);{}]\|<%\|%>"197endif198 199if s:ft ==# 'c' || exists("cpp_no_cpp11")200  syn region	cBadBlock	keepend start="{" end="}" contained containedin=cParen,cBracket,cBadBlock transparent fold201endif202 203"integer number, or floating point number without a dot and with "f".204syn case ignore205syn match	cNumbers	display transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctalError,cOctal206" Same, but without octal error (for comments)207syn match	cNumbersCom	display contained transparent "\<\d\|\.\d" contains=cNumber,cFloat,cOctal208 209" cpp.vim handles these210if !exists("c_no_c23") && !s:in_cpp_family211  syn match	cNumber		display contained "\d\%('\=\d\+\)*\%(u\=l\{0,2}\|ll\=u\|u\=wb\|wbu\=\)\>"212  "hex number213  syn match	cNumber		display contained "0x\x\%('\=\x\+\)*\%(u\=l\{0,2}\|ll\=u\|u\=wb\|wbu\=\)\>"214  " Flag the first zero of an octal number as something special215  syn match	cOctal		display contained "0\o\%('\=\o\+\)*\%(u\=l\{0,2}\|ll\=u\|u\=wb\|wbu\=\)\>" contains=cOctalZero216  "binary number217  syn match	cNumber		display contained "0b[01]\%('\=[01]\+\)*\%(u\=l\{0,2}\|ll\=u\|u\=wb\|wbu\=\)\>"218else219  syn match	cNumber		display contained "\d\+\%(u\=l\{0,2}\|ll\=u\)\>"220  "hex number221  syn match	cNumber		display contained "0x\x\+\%(u\=l\{0,2}\|ll\=u\)\>"222  " Flag the first zero of an octal number as something special223  syn match	cOctal		display contained "0\o\+\%(u\=l\{0,2}\|ll\=u\)\>" contains=cOctalZero224  syn match	cOctalZero	display contained "\<0"225endif226 227"floating point number, with dot, optional exponent228syn match	cFloat		display contained "\d\+\.\d*\%(e[-+]\=\d\+\)\=[fl]\="229"floating point number, starting with a dot, optional exponent230syn match	cFloat		display contained "\.\d\+\%(e[-+]\=\d\+\)\=[fl]\=\>"231"floating point number, without dot, with exponent232syn match	cFloat		display contained "\d\+e[-+]\=\d\+[fl]\=\>"233if !exists("c_no_c99")234  "hexadecimal floating point number, optional leading digits, with dot, with exponent235  syn match	cFloat		display contained "0x\x*\.\x\+p[-+]\=\d\+[fl]\=\>"236  "hexadecimal floating point number, with leading digits, optional dot, with exponent237  syn match	cFloat		display contained "0x\x\+\.\=p[-+]\=\d\+[fl]\=\>"238endif239 240" flag an octal number with wrong digits241syn match	cOctalError	display contained "0\o*[89]\d*"242syn case match243 244if exists("c_comment_strings")245  " A comment can contain cString, cCharacter and cNumber.246  " But a "*/" inside a cString in a cComment DOES end the comment!  So we247  " need to use a special type of cString: cCommentString, which also ends on248  " "*/", and sees a "*" at the start of the line as comment again.249  " Unfortunately this doesn't very well work for // type of comments :-(250  syn match	cCommentSkip	contained "^\s*\*\%($\|\s\+\)"251  syn region cCommentString	contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip252  syn region cComment2String	contained start=+L\=\\\@<!"+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial253  syn region  cCommentL	start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError,cWrongComTail,@Spell254  if exists("c_no_comment_fold")255    " Use "extend" here to have preprocessor lines not terminate halfway a256    " comment.257    syn region cComment	matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell extend258  else259    syn region cComment	matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cCommentString,cCharacter,cNumbersCom,cSpaceError,@Spell fold extend260  endif261else262  syn region	cCommentL	start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cSpaceError,@Spell263  if exists("c_no_comment_fold")264    syn region	cComment	matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell extend265  else266    syn region	cComment	matchgroup=cCommentStart start="/\*" end="\*/" contains=@cCommentGroup,cCommentStartError,cSpaceError,@Spell fold extend267  endif268endif269" keep a // comment separately, it terminates a preproc. conditional270syn match	cCommentError	display "\*/"271syn match	cCommentStartError display "/\*"me=e-1 contained272syn match	cWrongComTail	display "\*/"273 274syn keyword	cOperator	sizeof275if exists("c_gnu")276  syn keyword	cType		__label__ __complex__277  syn keyword	cStatement	__asm__278  syn keyword	cOperator	__alignof__279  syn keyword	cOperator	typeof __typeof__280  syn keyword	cOperator	__real__ __imag__281  syn keyword	cStorageClass	__attribute__ __const__ __extension__282  syn keyword	cStorageClass	inline __inline __inline__283  syn keyword	cStorageClass	__restrict__ __volatile__ __noreturn__284endif285syn keyword	cType		int long short char void286syn keyword	cType		signed unsigned float double287if !exists("c_no_ansi") || exists("c_ansi_typedefs")288  syn keyword   cType		size_t ssize_t off_t wchar_t ptrdiff_t sig_atomic_t fpos_t289  syn keyword   cType		clock_t time_t va_list jmp_buf FILE DIR div_t ldiv_t290  syn keyword   cType		mbstate_t wctrans_t wint_t wctype_t291endif292if !exists("c_no_c99") " ISO C99293  syn keyword	cType		_Bool bool _Complex complex _Imaginary imaginary294  syn keyword	cType		int8_t int16_t int32_t int64_t295  syn keyword	cType		uint8_t uint16_t uint32_t uint64_t296  if !exists("c_no_bsd")297    " These are BSD specific.298    syn keyword	cType		u_int8_t u_int16_t u_int32_t u_int64_t299  endif300  syn keyword	cType		int_least8_t int_least16_t int_least32_t int_least64_t301  syn keyword	cType		uint_least8_t uint_least16_t uint_least32_t uint_least64_t302  syn keyword	cType		int_fast8_t int_fast16_t int_fast32_t int_fast64_t303  syn keyword	cType		uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t304  syn keyword	cType		intptr_t uintptr_t305  syn keyword	cType		intmax_t uintmax_t306endif307if !exists("c_no_c23") && !s:in_cpp_family308  syn keyword	cOperator	typeof typeof_unqual309  syn keyword	cType           _BitInt _Decimal32 _Decimal64 _Decimal128310endif311if (s:ft ==# "c" && !exists("c_no_c23")) || (s:in_cpp_family && !exists("cpp_no_cpp11"))312  syn keyword	cType           nullptr_t313endif314 315syn keyword	cTypedef	typedef316syn keyword	cStructure	struct union enum317syn keyword	cStorageClass	static register auto volatile extern const318if !exists("c_no_c99") && !s:in_cpp_family319  syn keyword	cStorageClass	inline restrict320endif321if (s:ft ==# "c" && !exists("c_no_c23")) || (s:in_cpp_family && !exists("cpp_no_cpp11"))322  syn keyword	cStorageClass	constexpr323endif324if !exists("c_no_c11")325  syn keyword	cStorageClass	_Alignas alignas326  syn keyword	cOperator	_Alignof alignof327  syn keyword	cStorageClass	_Atomic328  syn keyword	cOperator	_Generic329  syn keyword	cStorageClass	_Noreturn330  if !s:in_cpp_family331    syn keyword	cStorageClass	noreturn332  endif333  syn keyword	cOperator	_Static_assert static_assert334  syn keyword	cStorageClass	_Thread_local thread_local335  syn keyword   cType		char16_t char32_t336  syn keyword   cType		max_align_t337  " C11 atomics (take down the shield wall!)338  syn keyword	cType		atomic_bool atomic_char atomic_schar atomic_uchar339  syn keyword	Ctype		atomic_short atomic_ushort atomic_int atomic_uint340  syn keyword	cType		atomic_long atomic_ulong atomic_llong atomic_ullong341  syn keyword	cType		atomic_char16_t atomic_char32_t atomic_wchar_t342  syn keyword	cType		atomic_int_least8_t atomic_uint_least8_t343  syn keyword	cType		atomic_int_least16_t atomic_uint_least16_t344  syn keyword	cType		atomic_int_least32_t atomic_uint_least32_t345  syn keyword	cType		atomic_int_least64_t atomic_uint_least64_t346  syn keyword	cType		atomic_int_fast8_t atomic_uint_fast8_t347  syn keyword	cType		atomic_int_fast16_t atomic_uint_fast16_t348  syn keyword	cType		atomic_int_fast32_t atomic_uint_fast32_t349  syn keyword	cType		atomic_int_fast64_t atomic_uint_fast64_t350  syn keyword	cType		atomic_intptr_t atomic_uintptr_t351  syn keyword	cType		atomic_size_t atomic_ptrdiff_t352  syn keyword	cType		atomic_intmax_t atomic_uintmax_t353endif354 355if (s:ft ==# "c" && !exists("c_no_c23")) || (s:in_cpp_family && !exists("cpp_no_cpp20"))356  syn keyword   cType		char8_t357endif358 359if !exists("c_no_ansi") || exists("c_ansi_constants") || exists("c_gnu")360  if exists("c_gnu")361    syn keyword cConstant __GNUC__ __FUNCTION__ __PRETTY_FUNCTION__ __func__362  endif363  " TODO: __STDC_HOSTED__ is C99 and C++11364  syn keyword cConstant __LINE__ __FILE__ __DATE__ __TIME__ __STDC__ __STDC_VERSION__ __STDC_HOSTED__365  syn keyword cConstant CHAR_BIT MB_LEN_MAX MB_CUR_MAX366  syn keyword cConstant UCHAR_MAX UINT_MAX ULONG_MAX USHRT_MAX367  syn keyword cConstant CHAR_MIN INT_MIN LONG_MIN SHRT_MIN368  syn keyword cConstant CHAR_MAX INT_MAX LONG_MAX SHRT_MAX369  syn keyword cConstant SCHAR_MIN SINT_MIN SLONG_MIN SSHRT_MIN370  syn keyword cConstant SCHAR_MAX SINT_MAX SLONG_MAX SSHRT_MAX371  if !exists("c_no_c99")372    syn keyword cConstant __STDC_ISO_10646__ __STDC_IEC_559_COMPLEX__373    syn keyword cConstant __STDC_MB_MIGHT_NEQ_WC__374    syn keyword cConstant __func__ __VA_ARGS__375    syn keyword cConstant LLONG_MIN LLONG_MAX ULLONG_MAX376    syn keyword cConstant INT8_MIN INT16_MIN INT32_MIN INT64_MIN377    syn keyword cConstant INT8_MAX INT16_MAX INT32_MAX INT64_MAX378    syn keyword cConstant UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX379    syn keyword cConstant INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN380    syn keyword cConstant INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX381    syn keyword cConstant UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX382    syn keyword cConstant INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN383    syn keyword cConstant INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX384    syn keyword cConstant UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX385    syn keyword cConstant INTPTR_MIN INTPTR_MAX UINTPTR_MAX386    syn keyword cConstant INTMAX_MIN INTMAX_MAX UINTMAX_MAX387    syn keyword cConstant PTRDIFF_MIN PTRDIFF_MAX SIG_ATOMIC_MIN SIG_ATOMIC_MAX388    syn keyword cConstant SIZE_MAX WCHAR_MIN WCHAR_MAX WINT_MIN WINT_MAX389  endif390  if !exists("c_no_c11")391    syn keyword cConstant __STDC_UTF_16__ __STDC_UTF_32__ __STDC_ANALYZABLE__392    syn keyword cConstant __STDC_LIB_EXT1__ __STDC_NO_ATOMICS__393    syn keyword cConstant __STDC_NO_COMPLEX__ __STDC_NO_THREADS__394    syn keyword cConstant __STDC_NO_VLA__395  endif396  if !exists("c_no_c23")397    syn keyword cConstant __STDC_UTF_16__ __STDC_UTF_32__398    syn keyword cConstant __STDC_EMBED_NOT_FOUND__ __STDC_EMBED_FOUND__399    syn keyword cConstant __STDC_EMBED_EMPTY__ __STDC_IEC_60559_BFP__400    syn keyword cConstant __STDC_IEC_60559_DFP__ __STDC_IEC_60559_COMPLEX__401    syn keyword cConstant __STDC_IEC_60559_TYPES__402    syn keyword cConstant BITINT_MAXWIDTH403  endif404  if (s:ft ==# "c" && !exists("c_no_c23")) || (s:in_cpp_family && !exists("cpp_no_cpp20"))405    syn keyword cConstant __VA_OPT__406  endif407  if (s:ft ==# "c" && !exists("c_no_c23")) || (s:in_cpp_family && !exists("cpp_no_cpp11"))408    syn keyword cConstant nullptr409  endif410  syn keyword cConstant FLT_RADIX FLT_ROUNDS FLT_DIG FLT_MANT_DIG FLT_EPSILON DBL_DIG DBL_MANT_DIG DBL_EPSILON411  syn keyword cConstant LDBL_DIG LDBL_MANT_DIG LDBL_EPSILON FLT_MIN FLT_MAX FLT_MIN_EXP FLT_MAX_EXP FLT_MIN_10_EXP FLT_MAX_10_EXP412  syn keyword cConstant DBL_MIN DBL_MAX DBL_MIN_EXP DBL_MAX_EXP DBL_MIN_10_EXP DBL_MAX_10_EXP LDBL_MIN LDBL_MAX LDBL_MIN_EXP LDBL_MAX_EXP413  syn keyword cConstant LDBL_MIN_10_EXP LDBL_MAX_10_EXP HUGE_VAL CLOCKS_PER_SEC NULL LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY414  syn keyword cConstant LC_NUMERIC LC_TIME SIG_DFL SIG_ERR SIG_IGN SIGABRT SIGFPE SIGILL SIGHUP SIGINT SIGSEGV SIGTERM415  " Add POSIX signals as well...416  syn keyword cConstant SIGABRT SIGALRM SIGCHLD SIGCONT SIGFPE SIGHUP SIGILL SIGINT SIGKILL SIGPIPE SIGQUIT SIGSEGV417  syn keyword cConstant SIGSTOP SIGTERM SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGUSR1 SIGUSR2418  syn keyword cConstant _IOFBF _IOLBF _IONBF BUFSIZ EOF WEOF FOPEN_MAX FILENAME_MAX L_tmpnam419  syn keyword cConstant SEEK_CUR SEEK_END SEEK_SET TMP_MAX EXIT_FAILURE EXIT_SUCCESS RAND_MAX420  syn keyword cConstant stdin stdout stderr421  " POSIX 2001, in unistd.h422  syn keyword cConstant STDIN_FILENO STDOUT_FILENO STDERR_FILENO423  " used in assert.h424  syn keyword cConstant NDEBUG425  " POSIX 2001426  syn keyword cConstant SIGBUS SIGPOLL SIGPROF SIGSYS SIGURG SIGVTALRM SIGXCPU SIGXFSZ427  " POSIX Issue 8 (post 2017)428  syn keyword cConstant SIGWINCH429  " non-POSIX signals430  syn keyword cConstant SIGINFO SIGIO431  " Add POSIX errors as well.  List comes from:432  " http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html433  syn keyword cConstant E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EAFNOSUPPORT EAGAIN EALREADY EBADF434  syn keyword cConstant EBADMSG EBUSY ECANCELED ECHILD ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK435  syn keyword cConstant EDESTADDRREQ EDOM EDQUOT EEXIST EFAULT EFBIG EHOSTUNREACH EIDRM EILSEQ436  syn keyword cConstant EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE437  syn keyword cConstant EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA438  syn keyword cConstant ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENOPROTOOPT ENOSPC ENOSR439  syn keyword cConstant ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTRECOVERABLE ENOTSOCK ENOTSUP440  syn keyword cConstant ENOTTY ENXIO EOPNOTSUPP EOVERFLOW EOWNERDEAD EPERM EPIPE EPROTO441  syn keyword cConstant EPROTONOSUPPORT EPROTOTYPE ERANGE EROFS ESPIPE ESRCH ESTALE ETIME ETIMEDOUT442  syn keyword cConstant ETXTBSY EWOULDBLOCK EXDEV443  " math.h444  syn keyword cConstant M_E M_LOG2E M_LOG10E M_LN2 M_LN10 M_PI M_PI_2 M_PI_4445  syn keyword cConstant M_1_PI M_2_PI M_2_SQRTPI M_SQRT2 M_SQRT1_2446endif447if !exists("c_no_c99") " ISO C99448  syn keyword cConstant true false449  syn keyword cConstant INFINITY NAN450  " math.h451  syn keyword cConstant HUGE_VAL HUGE_VALF HUGE_VALL452  syn keyword cConstant FP_FAST_FMAF FP_FAST_FMA FP_FAST_FMAL453  syn keyword cConstant FP_ILOGB0 FP_ILOGBNAN454  syn keyword cConstant math_errhandling MATH_ERRNO MATH_ERREXCEPT455  syn keyword cConstant FP_NORMAL FP_SUBNORMAL FP_ZERO FP_INFINITE FP_NAN456endif457 458" Accept %: for # (C99)459syn cluster	cPreProcGroup	contains=cPreCondit,cIncluded,cInclude,cDefine,cErrInParen,cErrInBracket,cUserLabel,cSpecial,cOctalZero,cCppOutWrapper,cCppInWrapper,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cString,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cParen,cBracket,cMulti,cBadBlock460if !exists("c_no_c23")461  syn region	cPreCondit	start="^\s*\zs\%(%:\|#\)\s*\%(el\)\=\%(if\|ifdef\|ifndef\)\>" skip="\\$" end="$" keepend contains=cComment,cCommentL,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError462else463  syn region	cPreCondit	start="^\s*\zs\%(%:\|#\)\s*\%(if\|ifdef\|ifndef\|elif\)\>"    skip="\\$" end="$" keepend contains=cComment,cCommentL,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError464endif465syn match	cPreConditMatch	display "^\s*\zs\%(%:\|#\)\s*\%(else\|endif\)\>"466if !exists("c_no_if0")467  syn cluster	cCppOutInGroup	contains=cCppInIf,cCppInElse,cCppInElse2,cCppOutIf,cCppOutIf2,cCppOutElse,cCppInSkip,cCppOutSkip468  syn region	cCppOutWrapper	start="^\s*\zs\%(%:\|#\)\s*if\s\+0\+\s*\%($\|//\|/\*\|&\)" end=".\@=\|$" contains=cCppOutIf,cCppOutElse,@NoSpell fold469  syn region	cCppOutIf	contained start="0\+" matchgroup=cCppOutWrapper end="^\s*\%(%:\|#\)\s*endif\>" contains=cCppOutIf2,cCppOutElse470  if !exists("c_no_if0_fold")471    if !exists("c_no_c23")472      syn region	cCppOutIf2	contained matchgroup=cCppOutWrapper start="0\+" end="^\s*\%(%:\|#\)\s*\%(else\>\|el\%(if\|ifdef\|ifndef\)\s\+\%(0\+\s*\%($\|//\|/\*\|&\)\)\@!\|endif\>\)"me=s-1 contains=cSpaceError,cCppOutSkip,@Spell fold473    else474      syn region	cCppOutIf2	contained matchgroup=cCppOutWrapper start="0\+" end="^\s*\%(%:\|#\)\s*\%(else\>\|elif\s\+\%(0\+\s*\%($\|//\|/\*\|&\)\)\@!\|endif\>\)"me=s-1 contains=cSpaceError,cCppOutSkip,@Spell fold475    endif476  else477    if !exists("c_no_c23")478      syn region	cCppOutIf2	contained matchgroup=cCppOutWrapper start="0\+" end="^\s*\%(%:\|#\)\s*\%(else\>\|el\%(if\|ifdef\|ifndef\)\s\+\%(0\+\s*\%($\|//\|/\*\|&\)\)\@!\|endif\>\)"me=s-1 contains=cSpaceError,cCppOutSkip,@Spell479    else480      syn region	cCppOutIf2	contained matchgroup=cCppOutWrapper start="0\+" end="^\s*\%(%:\|#\)\s*\%(else\>\|elif\s\+\%(0\+\s*\%($\|//\|/\*\|&\)\)\@!\|endif\>\)"me=s-1 contains=cSpaceError,cCppOutSkip,@Spell481    endif482  endif483  if !exists("c_no_c23")484    syn region	cCppOutElse	contained matchgroup=cCppOutWrapper start="^\s*\%(%:\|#\)\s*\%(else\|el\%(if\|ifdef\|ifndef\)\)" end="^\s*\%(%:\|#\)\s*endif\>"me=s-1 contains=TOP,cPreCondit485  else486    syn region	cCppOutElse	contained matchgroup=cCppOutWrapper start="^\s*\%(%:\|#\)\s*\%(else\|elif\)" end="^\s*\%(%:\|#\)\s*endif\>"me=s-1 contains=TOP,cPreCondit487  endif488  syn region	cCppInWrapper	start="^\s*\zs\%(%:\|#\)\s*if\s\+0*[1-9]\d*\s*\%($\|//\|/\*\||\)" end=".\@=\|$" contains=cCppInIf,cCppInElse fold489  syn region	cCppInIf	contained matchgroup=cCppInWrapper start="\d\+" end="^\s*\%(%:\|#\)\s*endif\>" contains=TOP,cPreCondit490  if !exists("c_no_if0_fold")491    if !exists("c_no_c23")492      syn region	cCppInElse	contained start="^\s*\%(%:\|#\)\s*\%(else\>\|el\%(if\|ifdef\|ifndef\)\s\+\%(0*[1-9]\d*\s*\%($\|//\|/\*\||\)\)\@!\)" end=".\@=\|$" containedin=cCppInIf contains=cCppInElse2 fold493    else494      syn region	cCppInElse	contained start="^\s*\%(%:\|#\)\s*\%(else\>\|elif\s\+\%(0*[1-9]\d*\s*\%($\|//\|/\*\||\)\)\@!\)" end=".\@=\|$" containedin=cCppInIf contains=cCppInElse2 fold495    endif496  else497    if !exists("c_no_c23")498      syn region	cCppInElse	contained start="^\s*\%(%:\|#\)\s*\%(else\>\|el\%(if\|ifdef\|ifndef\)\s\+\%(0*[1-9]\d*\s*\%($\|//\|/\*\||\)\)\@!\)" end=".\@=\|$" containedin=cCppInIf contains=cCppInElse2499    else500      syn region	cCppInElse	contained start="^\s*\%(%:\|#\)\s*\%(else\>\|elif\s\+\%(0*[1-9]\d*\s*\%($\|//\|/\*\||\)\)\@!\)" end=".\@=\|$" containedin=cCppInIf contains=cCppInElse2501    endif502  endif503  if !exists("c_no_c23")504    syn region	cCppInElse2	contained matchgroup=cCppInWrapper start="^\s*\%(%:\|#\)\s*\%(else\|el\%(if\|ifdef\|ifndef\)\)\%([^/]\|/[^/*]\)*" end="^\s*\%(%:\|#\)\s*endif\>"me=s-1 contains=cSpaceError,cCppOutSkip,@Spell505  else506    syn region	cCppInElse2	contained matchgroup=cCppInWrapper start="^\s*\%(%:\|#\)\s*\%(else\|elif\)\%([^/]\|/[^/*]\)*" end="^\s*\%(%:\|#\)\s*endif\>"me=s-1 contains=cSpaceError,cCppOutSkip,@Spell507  endif508  syn region	cCppOutSkip	contained start="^\s*\%(%:\|#\)\s*\%(if\>\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\%(%:\|#\)\s*endif\>" contains=cSpaceError,cCppOutSkip509  syn region	cCppInSkip	contained matchgroup=cCppInWrapper start="^\s*\%(%:\|#\)\s*\%(if\s\+\%(\d\+\s*\%($\|//\|/\*\||\|&\)\)\@!\|ifdef\>\|ifndef\>\)" skip="\\$" end="^\s*\%(%:\|#\)\s*endif\>" containedin=cCppOutElse,cCppInIf,cCppInSkip contains=TOP,cPreProc510endif511syn region	cIncluded	display contained start=+"+ skip=+\\\\\|\\"+ end=+"+512syn match	cIncluded	display contained "<[^>]*>"513syn match	cInclude	display "^\s*\zs\%(%:\|#\)\s*include\>\s*["<]" contains=cIncluded514if !exists("c_no_c23") && !s:in_cpp_family515  syn region	cInclude	start="^\s*\zs\%(%:\|#\)\s*embed\>" skip="\\$" end="$" keepend contains=cEmbed,cComment,cCommentL,cCppString,cCharacter,cCppParen,cParenError,cNumbers,cCommentError,cSpaceError516  syn match     cEmbed		contained "\%(%:\|#\)\s*embed\>" nextgroup=cIncluded skipwhite transparent517  syn cluster	cPreProcGroup	add=cEmbed518endif519"syn match cLineSkip	"\\$"520syn region	cDefine		start="^\s*\zs\%(%:\|#\)\s*\%(define\|undef\)\>" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell521syn region	cPreProc	start="^\s*\zs\%(%:\|#\)\s*\%(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" end="$" keepend contains=ALLBUT,@cPreProcGroup,@Spell522 523" Optional embedded Autodoc parsing524if exists("c_autodoc")525  syn match cAutodocReal display contained "\%(//\|[/ \t\v]\*\|^\*\)\@2<=!.*" contains=@cAutodoc containedin=cComment,cCommentL526  syn cluster cCommentGroup add=cAutodocReal527  syn cluster cPreProcGroup add=cAutodocReal528endif529 530" be able to fold #pragma regions531syn region	cPragma		start="^\s*#pragma\s\+region\>" end="^\s*#pragma\s\+endregion\>" transparent keepend extend fold532 533" Highlight User Labels534syn cluster	cMultiGroup	contains=cIncluded,cSpecial,cCommentSkip,cCommentString,cComment2String,@cCommentGroup,cCommentStartError,cUserCont,cUserLabel,cBitField,cOctalZero,cCppOutWrapper,cCppInWrapper,@cCppOutInGroup,cFormat,cNumber,cFloat,cOctal,cOctalError,cNumbersCom,cCppParen,cCppBracket,cCppString535if s:ft ==# 'c' || exists("cpp_no_cpp11")536  syn region	cMulti		transparent start='?' skip='::' end=':' contains=ALLBUT,@cMultiGroup,@Spell,@cStringGroup537endif538" Avoid matching foo::bar() in C++ by requiring that the next char is not ':'539syn cluster	cLabelGroup	contains=cUserLabel540syn match	cUserCont	display "^\s*\zs\I\i*\s*:$" contains=@cLabelGroup541syn match	cUserCont	display ";\s*\zs\I\i*\s*:$" contains=@cLabelGroup542if s:in_cpp_family543  syn match	cUserCont	display "^\s*\zs\%(class\|struct\|enum\)\@!\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup544  syn match	cUserCont	display ";\s*\zs\%(class\|struct\|enum\)\@!\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup545else546  syn match	cUserCont	display "^\s*\zs\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup547  syn match	cUserCont	display ";\s*\zs\I\i*\s*:[^:]"me=e-1 contains=@cLabelGroup548endif549 550syn match	cUserLabel	display "\I\i*" contained551 552" Avoid recognizing most bitfields as labels553syn match	cBitField	display "^\s*\zs\I\i*\s*:\s*[1-9]"me=e-1 contains=cType554syn match	cBitField	display ";\s*\zs\I\i*\s*:\s*[1-9]"me=e-1 contains=cType555 556if exists("c_functions")557  syn match cFunction "\<\h\w*\ze\_s*("558 endif559 560if exists("c_function_pointers")561  syn match cFunctionPointer "\%((\s*\*\s*\)\@<=\h\w*\ze\s*)\_s*(.*)"562endif563 564if exists("c_minlines")565  let b:c_minlines = c_minlines566else567  if !exists("c_no_if0")568    let b:c_minlines = 50	" #if 0 constructs can be long569  else570    let b:c_minlines = 15	" mostly for () constructs571  endif572endif573if exists("c_curly_error")574  syn sync fromstart575else576  exec "syn sync ccomment cComment minlines=" . b:c_minlines577endif578 579" Define the default highlighting.580" Only used when an item doesn't have highlighting yet581hi def link cFormat		cSpecial582hi def link cCppString		cString583hi def link cCommentL		cComment584hi def link cCommentStart	cComment585hi def link cLabel		Label586hi def link cUserLabel		Label587hi def link cConditional	Conditional588hi def link cRepeat		Repeat589hi def link cCharacter		Character590hi def link cSpecialCharacter	cSpecial591hi def link cNumber		Number592hi def link cOctal		Number593hi def link cOctalZero		PreProc	 " link this to Error if you want594hi def link cFloat		Float595hi def link cOctalError		cError596hi def link cParenError		cError597hi def link cErrInParen		cError598hi def link cErrInBracket	cError599hi def link cCommentError	cError600hi def link cCommentStartError	cError601hi def link cSpaceError		cError602hi def link cWrongComTail	cError603hi def link cSpecialError	cError604hi def link cCurlyError		cError605hi def link cOperator		Operator606hi def link cStructure		Structure607hi def link cTypedef		Structure608hi def link cStorageClass	StorageClass609hi def link cInclude		Include610hi def link cPreProc		PreProc611hi def link cDefine		Macro612hi def link cIncluded		cString613hi def link cError		Error614hi def link cStatement		Statement615hi def link cCppInWrapper	cCppOutWrapper616hi def link cCppOutWrapper	cPreCondit617hi def link cPreConditMatch	cPreCondit618hi def link cPreCondit		PreCondit619hi def link cType		Type620hi def link cConstant		Constant621hi def link cCommentString	cString622hi def link cComment2String	cString623hi def link cCommentSkip	cComment624hi def link cString		String625hi def link cComment		Comment626hi def link cSpecial		SpecialChar627hi def link cTodo		Todo628hi def link cBadContinuation	Error629hi def link cCppOutSkip		cCppOutIf2630hi def link cCppInElse2		cCppOutIf2631hi def link cCppOutIf2		cCppOut632hi def link cCppOut		Comment633hi def link cFunction		Function634hi def link cFunctionPointer	Function635 636let b:current_syntax = "c"637 638unlet s:ft639 640let &cpo = s:cpo_save641unlet s:cpo_save642" vim: ts=8643