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+" Vim syntax file
+" Language:    FreeBasic
+" Maintainer:  Mark Manning <markem@airmail.net>
+" Updated:     10/22/2006
+"
+" Description:
+"
+"	Based originally on the work done by Allan Kelly <Allan.Kelly@ed.ac.uk>
+"	Updated by Mark Manning <markem@airmail.net>
+"	Applied FreeBasic support to the already excellent support
+"	for standard basic syntax (like QB).
+"
+"	First version based on Micro$soft QBASIC circa
+"	1989, as documented in 'Learn BASIC Now' by
+"	Halvorson&Rygmyr. Microsoft Press 1989.  This syntax file
+"	not a complete implementation yet.  Send suggestions to
+"	the maintainer.
+"
+"	Quit when a (custom) syntax file was already loaded (Taken from c.vim)
+"
+if exists("b:current_syntax")
+  finish
+endif
+"
+"	Be sure to turn on the "case ignore" since current versions
+"	of freebasic support both upper as well as lowercase
+"	letters. - MEM 10/1/2006
+"
+syn case ignore
+"
+"	This list of keywords is taken directly from the FreeBasic
+"	user's guide as presented by the FreeBasic online site.
+"
+syn keyword	freebasicArrays			ERASE LBOUND REDIM PRESERVE UBOUND
+
+syn keyword	freebasicBitManipulation	BIT BITRESET BITSET HIBYTE HIWORD LOBYTE LOWORD SHL SHR
+
+syn keyword	freebasicCompilerSwitches	DEFBYTE DEFDBL DEFINT DEFLNG DEFLNGINT DEFSHORT DEFSNG DEFSTR
+syn keyword	freebasicCompilerSwitches	DEFUBYTE DEFUINT DEFULNGINT DEFUSHORT
+syn match	freebasicCompilerSwitches	"\<option\s+\(BASE\|BYVAL\|DYNAMIC\|ESCAPE\|EXPLICIT\|NOKEYWORD\)\>"
+syn match	freebasicCompilerSwitches	"\<option\s+\(PRIVATE\|STATIC\)\>"
+
+syn region	freebasicConditional		start="\son\s+" skip=".*" end="gosub"
+syn region	freebasicConditional		start="\son\s+" skip=".*" end="goto"
+syn match	freebasicConditional		"\<select\s+case\>"
+syn keyword	freebasicConditional		if iif then case else elseif with
+
+syn match	freebasicConsole		"\<open\s+\(CONS\|ERR\|PIPE\|SCRN\)\>"
+syn keyword	freebasicConsole		BEEP CLS CSRLIN LOCATE PRINT POS SPC TAB VIEW WIDTH
+
+syn keyword	freebasicDataTypes		BYTE AS DIM CONST DOUBLE ENUM INTEGER LONG LONGINT SHARED SHORT STRING
+syn keyword	freebasicDataTypes		SINGLE TYPE UBYTE UINTEGER ULONGINT UNION UNSIGNED USHORT WSTRING ZSTRING
+
+syn keyword	freebasicDateTime		DATE DATEADD DATEDIFF DATEPART DATESERIAL DATEVALUE DAY HOUR MINUTE
+syn keyword	freebasicDateTime		MONTH MONTHNAME NOW SECOND SETDATE SETTIME TIME TIMESERIAL TIMEVALUE
+syn keyword	freebasicDateTime		TIMER YEAR WEEKDAY WEEKDAYNAME
+
+syn keyword	freebasicDebug			ASSERT STOP
+
+syn keyword	freebasicErrorHandling		ERR ERL ERROR LOCAL RESUME
+syn match	freebasicErrorHandling		"\<resume\s+next\>"
+syn match	freebasicErrorHandling		"\<on\s+error\>"
+
+syn match	freebasicFiles			"\<get\s+#\>"
+syn match	freebasicFiles			"\<input\s+#\>"
+syn match	freebasicFiles			"\<line\s+input\s+#\>"
+syn match	freebasicFiles			"\<put\s+#\>"
+syn keyword	freebasicFiles			ACCESS APPEND BINARY BLOAD BSAVE CLOSE EOF FREEFILE INPUT LOC
+syn keyword	freebasicFiles			LOCK LOF OPEN OUTPUT RANDOM RESET SEEK UNLOCK WRITE
+
+syn keyword	freebasicFunctions		ALIAS ANY BYREF BYVAL CALL CDECL CONSTRUCTOR DESTRUCTOR
+syn keyword	freebasicFunctions		DECLARE FUNCTION LIB OVERLOAD PASCAL STATIC SUB STDCALL
+syn keyword	freebasicFunctions		VA_ARG VA_FIRST VA_NEXT
+
+syn match	freebasicGraphics		"\<palette\s+get\>"
+syn keyword	freebasicGraphics		ALPHA CIRCLE CLS COLOR CUSTOM DRAW FLIP GET
+syn keyword	freebasicGraphics		IMAGECREATE IMAGEDESTROY LINE PAINT PALETTE PCOPY PMAP POINT
+syn keyword	freebasicGraphics		PRESET PSET PUT RGB RGBA SCREEN SCREENCOPY SCREENINFO SCREENLIST
+syn keyword	freebasicGraphics		SCREENLOCK SCREENPTR SCREENRES SCREENSET SCREENSYNC SCREENUNLOCK
+syn keyword	freebasicGraphics		TRANS USING VIEW WINDOW
+
+syn match	freebasicHardware		"\<open\s+com\>"
+syn keyword	freebasicHardware		INP OUT WAIT LPT LPOS LPRINT
+
+syn keyword	freebasicLogical		AND EQV IMP OR NOT XOR
+
+syn keyword	freebasicMath			ABS ACOS ASIN ATAN2 ATN COS EXP FIX INT LOG MOD RANDOMIZE
+syn keyword	freebasicMath			RND SGN SIN SQR TAN
+
+syn keyword	freebasicMemory			ALLOCATE CALLOCATE CLEAR DEALLOCATE FIELD FRE PEEK POKE REALLOCATE
+
+syn keyword	freebasicMisc			ASM DATA LET TO READ RESTORE SIZEOF SWAP OFFSETOF
+
+syn keyword	freebasicModularizing		CHAIN COMMON EXPORT EXTERN DYLIBFREE DYLIBLOAD DYLIBSYMBOL
+syn keyword	freebasicModularizing		PRIVATE PUBLIC
+
+syn keyword	freebasicMultithreading		MUTEXCREATE MUTEXDESTROY MUTEXLOCK MUTEXUNLOCK THREADCREATE THREADWAIT
+
+syn keyword	freebasicShell			CHDIR DIR COMMAND ENVIRON EXEC EXEPATH KILL NAME MKDIR RMDIR RUN
+
+syn keyword	freebasicEnviron		SHELL SYSTEM WINDOWTITLE POINTERS
+
+syn keyword	freebasicLoops			FOR LOOP WHILE WEND DO CONTINUE STEP UNTIL next
+
+syn match	freebasicInclude		"\<#\s*\(inclib\|include\)\>"
+syn match	freebasicInclude		"\<\$\s*include\>"
+
+syn keyword	freebasicPointer		PROCPTR PTR SADD STRPTR VARPTR
+
+syn keyword	freebasicPredefined		__DATE__ __FB_DOS__ __FB_LINUX__ __FB_MAIN__ __FB_MIN_VERSION__
+syn keyword	freebasicPredefined		__FB_SIGNATURE__ __FB_VERSION__ __FB_WIN32__ __FB_VER_MAJOR__
+syn keyword	freebasicPredefined		__FB_VER_MINOR__ __FB_VER_PATCH__ __FILE__ __FUNCTION__
+syn keyword	freebasicPredefined		__LINE__ __TIME__
+
+syn match	freebasicPreProcessor		"\<^#\s*\(define\|undef\)\>"
+syn match	freebasicPreProcessor		"\<^#\s*\(ifdef\|ifndef\|else\|elseif\|endif\|if\)\>"
+syn match	freebasicPreProcessor		"\<#\s*error\>"
+syn match	freebasicPreProcessor		"\<#\s*\(print\|dynamic\|static\)\>"
+syn keyword	freebasicPreProcessor		DEFINED ONCE
+
+syn keyword	freebasicProgramFlow		END EXIT GOSUB GOTO
+syn keyword	freebasicProgramFlow		IS RETURN SCOPE SLEEP
+
+syn keyword	freebasicString			INSTR LCASE LEFT LEN LSET LTRIM MID RIGHT RSET RTRIM
+syn keyword	freebasicString			SPACE STRING TRIM UCASE ASC BIN CHR CVD CVI CVL CVLONGINT
+syn keyword	freebasicString			CVS CVSHORT FORMAT HEX MKD MKI MKL MKLONGINT MKS MKSHORT
+syn keyword	freebasicString			OCT STR VAL VALLNG VALINT VALUINT VALULNG
+
+syn keyword	freebasicTypeCasting		CAST CBYTE CDBL CINT CLNG CLNGINT CPTR CSHORT CSIGN CSNG
+syn keyword	freebasicTypeCasting		CUBYTE CUINT CULNGINT CUNSG CURDIR CUSHORT
+
+syn match	freebasicUserInput		"\<line\s+input\>"
+syn keyword	freebasicUserInput		GETJOYSTICK GETKEY GETMOUSE INKEY INPUT MULTIKEY SETMOUSE
+"
+"	Do the Basic variables names first.  This is because it
+"	is the most inclusive of the tests.  Later on we change
+"	this so the identifiers are split up into the various
+"	types of identifiers like functions, basic commands and
+"	such. MEM 9/9/2006
+"
+syn match	freebasicIdentifier		"\<[a-zA-Z_][a-zA-Z0-9_]*\>"
+syn match	freebasicGenericFunction	"\<[a-zA-Z_][a-zA-Z0-9_]*\>\s*("me=e-1,he=e-1
+"
+"	Function list
+"
+syn keyword	freebasicTodo		contained TODO
+"
+"	Catch errors caused by wrong parenthesis
+"
+syn region	freebasicParen		transparent start='(' end=')' contains=ALLBUT,@freebasicParenGroup
+syn match	freebasicParenError	")"
+syn match	freebasicInParen	contained "[{}]"
+syn cluster	freebasicParenGroup	contains=freebasicParenError,freebasicSpecial,freebasicTodo,freebasicUserCont,freebasicUserLabel,freebasicBitField
+"
+"	Integer number, or floating point number without a dot and with "f".
+"
+syn region	freebasicHex		start="&h" end="\W"
+syn region	freebasicHexError	start="&h\x*[g-zG-Z]" end="\W"
+syn match	freebasicInteger	"\<\d\+\(u\=l\=\|lu\|f\)\>"
+"
+"	Floating point number, with dot, optional exponent
+"
+syn match	freebasicFloat		"\<\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=\>"
+"
+"	Floating point number, starting with a dot, optional exponent
+"
+syn match	freebasicFloat		"\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
+"
+"	Floating point number, without dot, with exponent
+"
+syn match	freebasicFloat		"\<\d\+e[-+]\=\d\+[fl]\=\>"
+"
+"	Hex number
+"
+syn case match
+syn match	freebasicOctal		"\<0\o*\>"
+syn match	freebasicOctalError	"\<0\o*[89]"
+"
+"	String and Character contstants
+"
+syn region	freebasicString		start='"' end='"' contains=freebasicSpecial,freebasicTodo
+syn region	freebasicString		start="'" end="'" contains=freebasicSpecial,freebasicTodo
+"
+"	Comments
+"
+syn match	freebasicSpecial	contained "\\."
+syn region	freebasicComment	start="^rem" end="$" contains=freebasicSpecial,freebasicTodo
+syn region	freebasicComment	start=":\s*rem" end="$" contains=freebasicSpecial,freebasicTodo
+syn region	freebasicComment	start="\s*'" end="$" contains=freebasicSpecial,freebasicTodo
+syn region	freebasicComment	start="^'" end="$" contains=freebasicSpecial,freebasicTodo
+"
+"	Now do the comments and labels
+"
+syn match	freebasicLabel		"^\d"
+syn match	freebasicLabel		"\<^\w+:\>"
+syn region	freebasicLineNumber	start="^\d" end="\s"
+"
+"	Create the clusters
+"
+syn cluster	freebasicNumber		contains=freebasicHex,freebasicOctal,freebasicInteger,freebasicFloat
+syn cluster	freebasicError		contains=freebasicHexError,freebasicOctalError
+"
+"	Used with OPEN statement
+"
+syn match	freebasicFilenumber	"#\d\+"
+syn match	freebasicMathOperator	"[\+\-\=\|\*\/\>\<\%\()[\]]" contains=freebasicParen
+"
+"	The default methods for highlighting.  Can be overridden later
+"
+hi def link freebasicArrays		StorageClass
+hi def link freebasicBitManipulation	Operator
+hi def link freebasicCompilerSwitches	PreCondit
+hi def link freebasicConsole		Special
+hi def link freebasicDataTypes		Type
+hi def link freebasicDateTime		Type
+hi def link freebasicDebug		Special
+hi def link freebasicErrorHandling	Special
+hi def link freebasicFiles		Special
+hi def link freebasicFunctions		Function
+hi def link freebasicGraphics		Function
+hi def link freebasicHardware		Special
+hi def link freebasicLogical		Conditional
+hi def link freebasicMath		Function
+hi def link freebasicMemory		Function
+hi def link freebasicMisc		Special
+hi def link freebasicModularizing	Special
+hi def link freebasicMultithreading	Special
+hi def link freebasicShell		Special
+hi def link freebasicEnviron		Special
+hi def link freebasicPointer		Special
+hi def link freebasicPredefined		PreProc
+hi def link freebasicPreProcessor	PreProc
+hi def link freebasicProgramFlow	Statement
+hi def link freebasicString		String
+hi def link freebasicTypeCasting	Type
+hi def link freebasicUserInput		Statement
+hi def link freebasicComment		Comment
+hi def link freebasicConditional	Conditional
+hi def link freebasicError		Error
+hi def link freebasicIdentifier		Identifier
+hi def link freebasicInclude		Include
+hi def link freebasicGenericFunction	Function
+hi def link freebasicLabel		Label
+hi def link freebasicLineNumber		Label
+hi def link freebasicMathOperator	Operator
+hi def link freebasicNumber		Number
+hi def link freebasicSpecial		Special
+hi def link freebasicTodo		Todo
+
+let b:current_syntax = "freebasic"
+
+" vim: ts=8