3 " Maintainer : Christian V. J. Brüssow <cvjb@bigfoot.de>
4 " Last change: Son 06 Mai 2001 20:16:25 CEST
8 " John Providenza <john@probo.com> made some improvements
9 " for the highlighting of strings, and added the code for
10 " highlighting hex numbers.
13 " The list of keywords is incomplete, compared with the offical ANS
14 " wordlist. If you use this language, please improve it, and send me
17 " For version 5.x: Clear all syntax items
18 " For version 6.x: Quit when a syntax file was already loaded
21 elseif exists("b:current_syntax")
25 " Synchronization method
26 syn sync ccomment maxlines=200
28 " I use gforth, so I set this to case ignore
31 " Some special, non-FORTH keywords
32 syn keyword forthTodo contained TODO FIXME
33 syn match forthTodo contained 'Copyright\(\s([Cc])\)\=\(\s[0-9]\{2,4}\)\='
35 " Characters allowed in keywords
36 " I don't know if 128-255 are allowed in ANS-FORHT
38 setlocal iskeyword=!,@,33-64,A-Z,91-96,a-z,123-126,128-255
40 set iskeyword=!,@,33-64,A-Z,91-96,a-z,123-126,128-255
46 " basic mathematical and logical operators
47 syn keyword forthOperators + - * / MOD /MOD NEGATE ABS MIN MAX
48 syn keyword forthOperators AND OR XOR NOT INVERT 2* 2/ 1+ 1- 2+ 2- 8*
49 syn keyword forthOperators M+ */ */MOD M* UM* M*/ UM/MOD FM/MOD SM/REM
50 syn keyword forthOperators D+ D- DNEGATE DABS DMIN DMAX
51 syn keyword forthOperators F+ F- F* F/ FNEGATE FABS FMAX FMIN FLOOR FROUND
52 syn keyword forthOperators F** FSQRT FEXP FEXPM1 FLN FLNP1 FLOG FALOG FSIN
53 syn keyword forthOperators FCOS FSINCOS FTAN FASIN FACOS FATAN FATAN2 FSINH
54 syn keyword forthOperators FCOSH FTANH FASINH FACOSH FATANH
55 syn keyword forthOperators 0< 0<= 0<> 0= 0> 0>= <= <> = > >=
58 syn keyword forthStack DROP NIP DUP OVER TUCK SWAP ROT -ROT ?DUP PICK ROLL
59 syn keyword forthStack 2DROP 2NIP 2DUP 2OVER 2TUCK 2SWAP 2ROT
60 syn keyword forthStack 3DUP 4DUP
61 syn keyword forthRStack >R R> R@ RDROP 2>R 2R> 2R@ 2RDROP
62 syn keyword forthFStack FDROP FNIP FDUP FOVER FTUCK FSWAP FROT
64 " stack pointer manipulations
65 syn keyword forthSP SP@ SP! FP@ FP! RP@ RP! LP@ LP!
68 syn keyword forthMemory @ ! +! C@ C! 2@ 2! F@ F! SF@ SF! DF@ DF!
69 syn keyword forthAdrArith CHARS CHAR+ CELLS CELL+ CELL ALIGN ALIGNED FLOATS
70 syn keyword forthAdrArith FLOAT+ FLOAT FALIGN FALIGNED SFLOATS SFLOAT+
71 syn keyword forthAdrArith SFALIGN SFALIGNED DFLOATS DFLOAT+ DFALIGN DFALIGNED
72 syn keyword forthAdrArith MAXALIGN MAXALIGNED CFALIGN CFALIGNED
73 syn keyword forthAdrArith ADDRESS-UNIT-BITS ALLOT ALLOCATE HERE
74 syn keyword forthMemBlks MOVE ERASE CMOVE CMOVE> FILL BLANK
77 syn keyword forthCond IF ELSE ENDIF THEN CASE OF ENDOF ENDCASE ?DUP-IF
78 syn keyword forthCond ?DUP-0=-IF AHEAD CS-PICK CS-ROLL CATCH THROW
81 syn keyword forthLoop BEGIN WHILE REPEAT UNTIL AGAIN
82 syn keyword forthLoop ?DO LOOP I J K +DO U+DO -DO U-DO DO +LOOP -LOOP
83 syn keyword forthLoop UNLOOP LEAVE ?LEAVE EXIT DONE FOR NEXT
86 syn match forthColonDef '\<:\s*[^ \t]\+\>'
87 syn keyword forthEndOfColonDef ;
88 syn keyword forthDefine CONSTANT 2CONSTANT FCONSTANT VARIABLE 2VARIABLE CREATE
89 syn keyword forthDefine USER VALUE TO DEFER IS DOES> IMMEDIATE COMPILE-ONLY
90 syn keyword forthDefine COMPILE RESTRICT INTERPRET POSTPONE EXECUTE LITERAL
91 syn keyword forthDefine CREATE-INTERPRET/COMPILE INTERPRETATION> <INTERPRETATION
92 syn keyword forthDefine COMPILATION> <COMPILATION ] LASTXT COMP' POSTPONE,
93 syn keyword forthDefine FIND-NAME NAME>INT NAME?INT NAME>COMP NAME>STRING STATE
94 syn match forthDefine "\[COMP']"
95 syn match forthDefine "'"
96 syn match forthDefine '\<\[\>'
97 syn match forthDefine "\[']"
98 syn match forthDefine '\[COMPILE]'
101 syn keyword forthDebug PRINTDEBUGDATA PRINTDEBUGLINE
102 syn match forthDebug "\<\~\~\>"
105 syn keyword forthAssembler ASSEMBLER CODE END-CODE ;CODE FLUSH-ICACHE C,
107 " basic character operations
108 syn keyword forthCharOps (.) CHAR EXPECT FIND WORD TYPE -TRAILING EMIT KEY
109 syn keyword forthCharOps KEY? TIB CR
110 syn region forthCharOps start=+."\s+ skip=+\\"+ end=+"+
112 " char-number conversion
113 syn keyword forthConversion <# # #> #S (NUMBER) (NUMBER?) CONVERT D>F D>S DIGIT
114 syn keyword forthConversion DPL F>D HLD HOLD NUMBER S>D SIGN >NUMBER
116 " interptreter, wordbook, compiler
117 syn keyword forthForth (LOCAL) BYE COLD ABORT >BODY >NEXT >LINK CFA >VIEW HERE
118 syn keyword forthForth PAD WORDS VIEW VIEW> N>LINK NAME> LINK> L>NAME FORGET
119 syn keyword forthForth BODY>
120 syn region forthForth start=+ABORT"\s+ skip=+\\"+ end=+"+
123 syn keyword forthVocs ONLY FORTH ALSO ROOT SEAL VOCS ORDER CONTEXT #VOCS
124 syn keyword forthVocs VOCABULARY DEFINITIONS
127 syn keyword forthMath DECIMAL HEX BASE
128 syn match forthInteger '\<-\=[0-9.]*[0-9.]\+\>'
129 syn match forthHex '\<[0-9a-fA-F]*[0-9][0-9a-fA-F]*\>'
130 syn match forthFloat '\<-\=[0-9]*[.]\=[0-9]\+[Ee][0-9]\+\>'
133 syn region forthString start=+\.*\"+ end=+"+ end=+$+
136 syn match forthComment '\\\s.*$' contains=forthTodo
137 syn region forthComment start='\\S\s' end='.*' contains=forthTodo
138 syn match forthComment '\.(\s[^)]*)' contains=forthTodo
139 syn region forthComment start='(\s' skip='\\)' end=')' contains=forthTodo
140 "syn match forthComment '(\s[^\-]*\-\-[^\-]*)' contains=forthTodo
143 syn match forthInclude '^INCLUDE\s\+\k\+'
145 " Define the default highlighting.
146 " For version 5.7 and earlier: only when not done already
147 " For version 5.8 and later: only when an item doesn't have highlighting yet
148 if version >= 508 || !exists("did_forth_syn_inits")
150 let did_forth_syn_inits = 1
151 command -nargs=+ HiLink hi link <args>
153 command -nargs=+ HiLink hi def link <args>
156 " The default methods for highlighting. Can be overriden later.
157 HiLink forthTodo Todo
158 HiLink forthOperators Operator
159 HiLink forthMath Number
160 HiLink forthInteger Number
161 HiLink forthFloat Float
162 HiLink forthStack Special
163 HiLink forthRstack Special
164 HiLink forthFStack Special
165 HiLink forthSP Special
166 HiLink forthMemory Function
167 HiLink forthAdrArith Function
168 HiLink forthMemBlks Function
169 HiLink forthCond Conditional
170 HiLink forthLoop Repeat
171 HiLink forthColonDef Define
172 HiLink forthEndOfColonDef Define
173 HiLink forthDefine Define
174 HiLink forthDebug Debug
175 HiLink forthAssembler Include
176 HiLink forthCharOps Character
177 HiLink forthConversion String
178 HiLink forthForth Statement
179 HiLink forthVocs Statement
180 HiLink forthString String
181 HiLink forthComment Comment
186 let b:current_syntax = "forth"