3 " Maintainer: Christian V. J. Brüssow <cvjb@cvjb.de>
4 " Last Change: Di 06 Jul 2004 18:40:33 CEST
6 " URL: http://www.cvjb.de/comp/vim/forth.vim
8 " $Id: forth.vim,v 1.2 2004/07/10 09:40:55 vimboss Exp $
10 " The list of keywords is incomplete, compared with the offical ANS
11 " wordlist. If you use this language, please improve it, and send me
17 " Changed "syn sync ccomment maxlines=200" line: splitted it into two separate
21 " Andrew Gaul <andrew at gaul.org> send me a patch for
25 " Ron Aaron <ronaharon at yahoo.com> made updates for an
26 " improved Win32Forth support.
29 " Charles Shattuck <charley at forth.org> helped me to settle up with the
30 " binary and hex number highlighting.
33 " Charles Shattuck <charley at forth.org> send me some code for correctly
34 " highlighting char and [char] followed by an opening paren. He also added
35 " some words for operators, conditionals, and definitions; and added the
36 " highlighting for s" and c".
39 " John Providenza <john at probo.com> made improvements for the
40 " highlighting of strings, and added the code for highlighting hex numbers.
44 " For version 5.x: Clear all syntax items
45 " For version 6.x: Quit when a syntax file was already loaded
48 elseif exists("b:current_syntax")
52 " Synchronization method
56 " I use gforth, so I set this to case ignore
59 " Some special, non-FORTH keywords
60 syn keyword forthTodo contained TODO FIXME XXX
61 syn match forthTodo contained 'Copyright\(\s([Cc])\)\=\(\s[0-9]\{2,4}\)\='
63 " Characters allowed in keywords
64 " I don't know if 128-255 are allowed in ANS-FORHT
66 setlocal iskeyword=!,@,33-35,%,$,38-64,A-Z,91-96,a-z,123-126,128-255
68 set iskeyword=!,@,33-35,%,$,38-64,A-Z,91-96,a-z,123-126,128-255
74 " basic mathematical and logical operators
75 syn keyword forthOperators + - * / MOD /MOD NEGATE ABS MIN MAX
76 syn keyword forthOperators AND OR XOR NOT INVERT 2* 2/ 1+ 1- 2+ 2- 8*
77 syn keyword forthOperators M+ */ */MOD M* UM* M*/ UM/MOD FM/MOD SM/REM
78 syn keyword forthOperators D+ D- DNEGATE DABS DMIN DMAX
79 syn keyword forthOperators F+ F- F* F/ FNEGATE FABS FMAX FMIN FLOOR FROUND
80 syn keyword forthOperators F** FSQRT FEXP FEXPM1 FLN FLNP1 FLOG FALOG FSIN
81 syn keyword forthOperators FCOS FSINCOS FTAN FASIN FACOS FATAN FATAN2 FSINH
82 syn keyword forthOperators FCOSH FTANH FASINH FACOSH FATANH
83 syn keyword forthOperators 0< 0<= 0<> 0= 0> 0>= < <= <> = > >=
84 syn keyword forthOperators ?NEGATE ?DNEGATE
87 syn keyword forthStack DROP NIP DUP OVER TUCK SWAP ROT -ROT ?DUP PICK ROLL
88 syn keyword forthStack 2DROP 2NIP 2DUP 2OVER 2TUCK 2SWAP 2ROT
89 syn keyword forthStack 3DUP 4DUP
90 syn keyword forthRStack >R R> R@ RDROP 2>R 2R> 2R@ 2RDROP
91 syn keyword forthFStack FDROP FNIP FDUP FOVER FTUCK FSWAP FROT
93 " stack pointer manipulations
94 syn keyword forthSP SP@ SP! FP@ FP! RP@ RP! LP@ LP!
97 syn keyword forthMemory @ ! +! C@ C! 2@ 2! F@ F! SF@ SF! DF@ DF!
98 syn keyword forthAdrArith CHARS CHAR+ CELLS CELL+ CELL ALIGN ALIGNED FLOATS
99 syn keyword forthAdrArith FLOAT+ FLOAT FALIGN FALIGNED SFLOATS SFLOAT+
100 syn keyword forthAdrArith SFALIGN SFALIGNED DFLOATS DFLOAT+ DFALIGN DFALIGNED
101 syn keyword forthAdrArith MAXALIGN MAXALIGNED CFALIGN CFALIGNED
102 syn keyword forthAdrArith ADDRESS-UNIT-BITS ALLOT ALLOCATE HERE
103 syn keyword forthMemBlks MOVE ERASE CMOVE CMOVE> FILL BLANK
106 syn keyword forthCond IF ELSE ENDIF THEN CASE OF ENDOF ENDCASE ?DUP-IF
107 syn keyword forthCond ?DUP-0=-IF AHEAD CS-PICK CS-ROLL CATCH THROW WITHIN
110 syn keyword forthLoop BEGIN WHILE REPEAT UNTIL AGAIN
111 syn keyword forthLoop ?DO LOOP I J K +DO U+DO -DO U-DO DO +LOOP -LOOP
112 syn keyword forthLoop UNLOOP LEAVE ?LEAVE EXIT DONE FOR NEXT
115 syn match forthColonDef '\<:m\?\s*[^ \t]\+\>'
116 syn keyword forthEndOfColonDef ; ;M ;m
117 syn keyword forthDefine CONSTANT 2CONSTANT FCONSTANT VARIABLE 2VARIABLE CREATE
118 syn keyword forthDefine USER VALUE TO DEFER IS DOES> IMMEDIATE COMPILE-ONLY
119 syn keyword forthDefine COMPILE RESTRICT INTERPRET POSTPONE EXECUTE LITERAL
120 syn keyword forthDefine CREATE-INTERPRET/COMPILE INTERPRETATION> <INTERPRETATION
121 syn keyword forthDefine COMPILATION> <COMPILATION ] LASTXT COMP' POSTPONE,
122 syn keyword forthDefine FIND-NAME NAME>INT NAME?INT NAME>COMP NAME>STRING STATE
123 syn keyword forthDefine C; CVARIABLE
124 syn match forthDefine "\[COMP']"
125 syn match forthDefine "'"
126 syn match forthDefine '\<\[\>'
127 syn match forthDefine "\[']"
128 syn match forthDefine '\[COMPILE]'
129 syn match forthClassDef '\<:class\s*[^ \t]\+\>'
130 syn match forthObjectDef '\<:object\s*[^ \t]\+\>'
131 syn keyword forthEndOfClassDef ';class'
132 syn keyword forthEndOfObjectDef ';object'
135 syn keyword forthDebug PRINTDEBUGDATA PRINTDEBUGLINE
136 syn match forthDebug "\<\~\~\>"
139 syn keyword forthAssembler ASSEMBLER CODE END-CODE ;CODE FLUSH-ICACHE C,
141 " basic character operations
142 syn keyword forthCharOps (.) CHAR EXPECT FIND WORD TYPE -TRAILING EMIT KEY
143 syn keyword forthCharOps KEY? TIB CR
144 " recognize 'char (' or '[char] (' correctly, so it doesn't
145 " highlight everything after the paren as a comment till a closing ')'
146 syn match forthCharOps '\<char\s\S\s'
147 syn match forthCharOps '\<\[char\]\s\S\s'
148 syn region forthCharOps start=+."\s+ skip=+\\"+ end=+"+
150 " char-number conversion
151 syn keyword forthConversion <# # #> #S (NUMBER) (NUMBER?) CONVERT D>F D>S DIGIT
152 syn keyword forthConversion DPL F>D HLD HOLD NUMBER S>D SIGN >NUMBER
154 " interptreter, wordbook, compiler
155 syn keyword forthForth (LOCAL) BYE COLD ABORT >BODY >NEXT >LINK CFA >VIEW HERE
156 syn keyword forthForth PAD WORDS VIEW VIEW> N>LINK NAME> LINK> L>NAME FORGET
157 syn keyword forthForth BODY>
158 syn region forthForth start=+ABORT"\s+ skip=+\\"+ end=+"+
161 syn keyword forthVocs ONLY FORTH ALSO ROOT SEAL VOCS ORDER CONTEXT #VOCS
162 syn keyword forthVocs VOCABULARY DEFINITIONS
165 syn keyword forthMath DECIMAL HEX BASE
166 syn match forthInteger '\<-\=[0-9.]*[0-9.]\+\>'
167 " recognize hex and binary numbers, the '$' and '%' notation is for gforth
168 syn match forthInteger '\<\$\x*\x\+\>' " *1* --- dont't mess
169 syn match forthInteger '\<\x*\d\x*\>' " *2* --- this order!
170 syn match forthInteger '\<%[0-1]*[0-1]\+\>'
171 syn match forthFloat '\<-\=\d*[.]\=\d\+[Ee]\d\+\>'
174 syn region forthString start=+\.*\"+ end=+"+ end=+$+
176 syn region forthString start=+s\"+ end=+"+ end=+$+
177 syn region forthString start=+c\"+ end=+"+ end=+$+
180 syn match forthComment '\\\s.*$' contains=forthTodo
181 syn region forthComment start='\\S\s' end='.*' contains=forthTodo
182 syn match forthComment '\.(\s[^)]*)' contains=forthTodo
183 syn region forthComment start='(\s' skip='\\)' end=')' contains=forthTodo
184 syn region forthComment start='/\*' end='\*/' contains=forthTodo
185 "syn match forthComment '(\s[^\-]*\-\-[^\-]*)' contains=forthTodo
188 syn match forthInclude '^INCLUDE\s\+\k\+'
189 syn match forthInclude '^fload\s\+'
190 syn match forthInclude '^needs\s\+'
192 " Define the default highlighting.
193 " For version 5.7 and earlier: only when not done already
194 " For version 5.8 and later: only when an item doesn't have highlighting yet
195 if version >= 508 || !exists("did_forth_syn_inits")
197 let did_forth_syn_inits = 1
198 command -nargs=+ HiLink hi link <args>
200 command -nargs=+ HiLink hi def link <args>
203 " The default methods for highlighting. Can be overriden later.
204 HiLink forthTodo Todo
205 HiLink forthOperators Operator
206 HiLink forthMath Number
207 HiLink forthInteger Number
208 HiLink forthFloat Float
209 HiLink forthStack Special
210 HiLink forthRstack Special
211 HiLink forthFStack Special
212 HiLink forthSP Special
213 HiLink forthMemory Function
214 HiLink forthAdrArith Function
215 HiLink forthMemBlks Function
216 HiLink forthCond Conditional
217 HiLink forthLoop Repeat
218 HiLink forthColonDef Define
219 HiLink forthEndOfColonDef Define
220 HiLink forthDefine Define
221 HiLink forthDebug Debug
222 HiLink forthAssembler Include
223 HiLink forthCharOps Character
224 HiLink forthConversion String
225 HiLink forthForth Statement
226 HiLink forthVocs Statement
227 HiLink forthString String
228 HiLink forthComment Comment
229 HiLink forthClassDef Define
230 HiLink forthEndOfClassDef Define
231 HiLink forthObjectDef Define
232 HiLink forthEndOfObjectDef Define
233 HiLink forthInclude Include
238 let b:current_syntax = "forth"
240 " vim:ts=8:sw=4:nocindent:smartindent: