1" Vim syntax file
2" Language:	BASIC
3" Maintainer:	Allan Kelly <allan@fruitloaf.co.uk>
4" Last Change:	Tue Sep 14 14:24:23 BST 1999
5
6" First version based on Micro$soft QBASIC circa 1989, as documented in
7" 'Learn BASIC Now' by Halvorson&Rygmyr. Microsoft Press 1989.
8" This syntax file not a complete implementation yet.  Send suggestions to the
9" maintainer.
10
11" For version 5.x: Clear all syntax items
12" For version 6.x: Quit when a syntax file was already loaded
13if version < 600
14  syntax clear
15elseif exists("b:current_syntax")
16  finish
17endif
18
19" A bunch of useful BASIC keywords
20syn keyword basicStatement	BEEP beep Beep BLOAD bload Bload BSAVE bsave Bsave
21syn keyword basicStatement	CALL call Call ABSOLUTE absolute Absolute
22syn keyword basicStatement	CHAIN chain Chain CHDIR chdir Chdir
23syn keyword basicStatement	CIRCLE circle Circle CLEAR clear Clear
24syn keyword basicStatement	CLOSE close Close CLS cls Cls COLOR color Color
25syn keyword basicStatement	COM com Com COMMON common Common
26syn keyword basicStatement	CONST const Const DATA data Data
27syn keyword basicStatement	DECLARE declare Declare DEF def Def
28syn keyword basicStatement	DEFDBL defdbl Defdbl DEFINT defint Defint
29syn keyword basicStatement	DEFLNG deflng Deflng DEFSNG defsng Defsng
30syn keyword basicStatement	DEFSTR defstr Defstr DIM dim Dim
31syn keyword basicStatement	DO do Do LOOP loop Loop
32syn keyword basicStatement	DRAW draw Draw END end End
33syn keyword basicStatement	ENVIRON environ Environ ERASE erase Erase
34syn keyword basicStatement	ERROR error Error EXIT exit Exit
35syn keyword basicStatement	FIELD field Field FILES files Files
36syn keyword basicStatement	FOR for For NEXT next Next
37syn keyword basicStatement	FUNCTION function Function GET get Get
38syn keyword basicStatement	GOSUB gosub Gosub GOTO goto Goto
39syn keyword basicStatement	IF if If THEN then Then ELSE else Else
40syn keyword basicStatement	INPUT input Input INPUT# input# Input#
41syn keyword basicStatement	IOCTL ioctl Ioctl KEY key Key
42syn keyword basicStatement	KILL kill Kill LET let Let
43syn keyword basicStatement	LINE line Line LOCATE locate Locate
44syn keyword basicStatement	LOCK lock Lock UNLOCK unlock Unlock
45syn keyword basicStatement	LPRINT lprint Lprint USING using Using
46syn keyword basicStatement	LSET lset Lset MKDIR mkdir Mkdir
47syn keyword basicStatement	NAME name Name ON on On
48syn keyword basicStatement	ERROR error Error OPEN open Open
49syn keyword basicStatement	OPTION option Option BASE base Base
50syn keyword basicStatement	OUT out Out PAINT paint Paint
51syn keyword basicStatement	PALETTE palette Palette PCOPY pcopy Pcopy
52syn keyword basicStatement	PEN pen Pen PLAY play Play
53syn keyword basicStatement	PMAP pmap Pmap POKE poke Poke
54syn keyword basicStatement	PRESET preset Preset PRINT print Print
55syn keyword basicStatement	PRINT# print# Print# USING using Using
56syn keyword basicStatement	PSET pset Pset PUT put Put
57syn keyword basicStatement	RANDOMIZE randomize Randomize READ read Read
58syn keyword basicStatement	REDIM redim Redim RESET reset Reset
59syn keyword basicStatement	RESTORE restore Restore RESUME resume Resume
60syn keyword basicStatement	RETURN return Return RMDIR rmdir Rmdir
61syn keyword basicStatement	RSET rset Rset RUN run Run
62syn keyword basicStatement	SEEK seek Seek SELECT select Select
63syn keyword basicStatement	CASE case Case SHARED shared Shared
64syn keyword basicStatement	SHELL shell Shell SLEEP sleep Sleep
65syn keyword basicStatement	SOUND sound Sound STATIC static Static
66syn keyword basicStatement	STOP stop Stop STRIG strig Strig
67syn keyword basicStatement	SUB sub Sub SWAP swap Swap
68syn keyword basicStatement	SYSTEM system System TIMER timer Timer
69syn keyword basicStatement	TROFF troff Troff TRON tron Tron
70syn keyword basicStatement	TYPE type Type UNLOCK unlock Unlock
71syn keyword basicStatement	VIEW view View WAIT wait Wait
72syn keyword basicStatement	WHILE while While WEND wend Wend
73syn keyword basicStatement	WIDTH width Width WINDOW window Window
74syn keyword basicStatement	WRITE write Write DATE$ date$ Date$
75syn keyword basicStatement	MID$ mid$ Mid$ TIME$ time$ Time$
76
77syn keyword basicFunction	ABS abs Abs ASC asc Asc
78syn keyword basicFunction	ATN atn Atn CDBL cdbl Cdbl
79syn keyword basicFunction	CINT cint Cint CLNG clng Clng
80syn keyword basicFunction	COS cos Cos CSNG csng Csng
81syn keyword basicFunction	CSRLIN csrlin Csrlin CVD cvd Cvd
82syn keyword basicFunction	CVDMBF cvdmbf Cvdmbf CVI cvi Cvi
83syn keyword basicFunction	CVL cvl Cvl CVS cvs Cvs
84syn keyword basicFunction	CVSMBF cvsmbf Cvsmbf EOF eof Eof
85syn keyword basicFunction	ERDEV erdev Erdev ERL erl Erl
86syn keyword basicFunction	ERR err Err EXP exp Exp
87syn keyword basicFunction	FILEATTR fileattr Fileattr FIX fix Fix
88syn keyword basicFunction	FRE fre Fre FREEFILE freefile Freefile
89syn keyword basicFunction	INP inp Inp INSTR instr Instr
90syn keyword basicFunction	INT int Int LBOUND lbound Lbound
91syn keyword basicFunction	LEN len Len LOC loc Loc
92syn keyword basicFunction	LOF lof Lof LOG log Log
93syn keyword basicFunction	LPOS lpos Lpos PEEK peek Peek
94syn keyword basicFunction	PEN pen Pen POINT point Point
95syn keyword basicFunction	POS pos Pos RND rnd Rnd
96syn keyword basicFunction	SADD sadd Sadd SCREEN screen Screen
97syn keyword basicFunction	SEEK seek Seek SETMEM setmem Setmem
98syn keyword basicFunction	SGN sgn Sgn SIN sin Sin
99syn keyword basicFunction	SPC spc Spc SQR sqr Sqr
100syn keyword basicFunction	STICK stick Stick STRIG strig Strig
101syn keyword basicFunction	TAB tab Tab TAN tan Tan
102syn keyword basicFunction	UBOUND ubound Ubound VAL val Val
103syn keyword basicFunction	VALPTR valptr Valptr VALSEG valseg Valseg
104syn keyword basicFunction	VARPTR varptr Varptr VARSEG varseg Varseg
105syn keyword basicFunction	CHR$ Chr$ chr$ COMMAND$ command$ Command$
106syn keyword basicFunction	DATE$ date$ Date$ ENVIRON$ environ$ Environ$
107syn keyword basicFunction	ERDEV$ erdev$ Erdev$ HEX$ hex$ Hex$
108syn keyword basicFunction	INKEY$ inkey$ Inkey$ INPUT$ input$ Input$
109syn keyword basicFunction	IOCTL$ ioctl$ Ioctl$ LCASES$ lcases$ Lcases$
110syn keyword basicFunction	LAFT$ laft$ Laft$ LTRIM$ ltrim$ Ltrim$
111syn keyword basicFunction	MID$ mid$ Mid$ MKDMBF$ mkdmbf$ Mkdmbf$
112syn keyword basicFunction	MKD$ mkd$ Mkd$ MKI$ mki$ Mki$
113syn keyword basicFunction	MKL$ mkl$ Mkl$ MKSMBF$ mksmbf$ Mksmbf$
114syn keyword basicFunction	MKS$ mks$ Mks$ OCT$ oct$ Oct$
115syn keyword basicFunction	RIGHT$ right$ Right$ RTRIM$ rtrim$ Rtrim$
116syn keyword basicFunction	SPACE$ space$ Space$ STR$ str$ Str$
117syn keyword basicFunction	STRING$ string$ String$ TIME$ time$ Time$
118syn keyword basicFunction	UCASE$ ucase$ Ucase$ VARPTR$ varptr$ Varptr$
119syn keyword basicTodo contained	TODO
120
121"integer number, or floating point number without a dot.
122syn match  basicNumber		"\<\d\+\>"
123"floating point number, with dot
124syn match  basicNumber		"\<\d\+\.\d*\>"
125"floating point number, starting with a dot
126syn match  basicNumber		"\.\d\+\>"
127
128" String and Character contstants
129syn match   basicSpecial contained "\\\d\d\d\|\\."
130syn region  basicString		  start=+"+  skip=+\\\\\|\\"+  end=+"+  contains=basicSpecial
131
132syn region  basicComment	start="REM" end="$" contains=basicTodo
133syn region  basicComment	start="^[ \t]*'" end="$" contains=basicTodo
134syn region  basicLineNumber	start="^\d" end="\s"
135syn match   basicTypeSpecifier  "[a-zA-Z0-9][\$%&!#]"ms=s+1
136" Used with OPEN statement
137syn match   basicFilenumber  "#\d\+"
138"syn sync ccomment basicComment
139" syn match   basicMathsOperator "[<>+\*^/\\=-]"
140syn match   basicMathsOperator   "-\|=\|[:<>+\*^/\\]\|AND\|OR"
141
142" Define the default highlighting.
143" For version 5.7 and earlier: only when not done already
144" For version 5.8 and later: only when an item doesn't have highlighting yet
145if version >= 508 || !exists("did_basic_syntax_inits")
146  if version < 508
147    let did_basic_syntax_inits = 1
148    command -nargs=+ HiLink hi link <args>
149  else
150    command -nargs=+ HiLink hi def link <args>
151  endif
152
153  HiLink basicLabel		Label
154  HiLink basicConditional	Conditional
155  HiLink basicRepeat		Repeat
156  HiLink basicLineNumber	Comment
157  HiLink basicNumber		Number
158  HiLink basicError		Error
159  HiLink basicStatement	Statement
160  HiLink basicString		String
161  HiLink basicComment		Comment
162  HiLink basicSpecial		Special
163  HiLink basicTodo		Todo
164  HiLink basicFunction		Identifier
165  HiLink basicTypeSpecifier Type
166  HiLink basicFilenumber basicTypeSpecifier
167  "hi basicMathsOperator term=bold cterm=bold gui=bold
168
169  delcommand HiLink
170endif
171
172let b:current_syntax = "basic"
173
174" vim: ts=8
175