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- " Vim syntax file
- " Language : FORTH
- " Maintainer : Christian V. J. Brüssow <cvjb@epost.de>
- " Last change: Son 06 Mai 2001 20:16:25 CEST
-
- " Thanks to...
- "
- " John Providenza <john@probo.com> made some improvements
- " for the highlighting of strings, and added the code for
- " highlighting hex numbers.
-
-
- " The list of keywords is incomplete, compared with the offical ANS
- " wordlist. If you use this language, please improve it, and send me
- " the patches.
-
- " For version 5.x: Clear all syntax items
- " For version 6.x: Quit when a syntax file was already loaded
- if version < 600
- syntax clear
- elseif exists("b:current_syntax")
- finish
- endif
-
- " Synchronization method
- syn sync ccomment maxlines=200
-
- " I use gforth, so I set this to case ignore
- syn case ignore
-
- " Some special, non-FORTH keywords
- syn keyword forthTodo contained TODO FIXME
- syn match forthTodo contained 'Copyright\(\s([Cc])\)\=\(\s[0-9]\{2,4}\)\='
-
- " Characters allowed in keywords
- " I don't know if 128-255 are allowed in ANS-FORHT
- if version >= 600
- setlocal iskeyword=!,@,33-64,A-Z,91-96,a-z,123-126,128-255
- else
- set iskeyword=!,@,33-64,A-Z,91-96,a-z,123-126,128-255
- endif
-
-
- " Keywords
-
- " basic mathematical and logical operators
- syn keyword forthOperators + - * / MOD /MOD NEGATE ABS MIN MAX
- syn keyword forthOperators AND OR XOR NOT INVERT 2* 2/ 1+ 1- 2+ 2- 8*
- syn keyword forthOperators M+ */ */MOD M* UM* M*/ UM/MOD FM/MOD SM/REM
- syn keyword forthOperators D+ D- DNEGATE DABS DMIN DMAX
- syn keyword forthOperators F+ F- F* F/ FNEGATE FABS FMAX FMIN FLOOR FROUND
- syn keyword forthOperators F** FSQRT FEXP FEXPM1 FLN FLNP1 FLOG FALOG FSIN
- syn keyword forthOperators FCOS FSINCOS FTAN FASIN FACOS FATAN FATAN2 FSINH
- syn keyword forthOperators FCOSH FTANH FASINH FACOSH FATANH
- syn keyword forthOperators 0< 0<= 0<> 0= 0> 0>= <= <> = > >=
-
- " stack manipulations
- syn keyword forthStack DROP NIP DUP OVER TUCK SWAP ROT -ROT ?DUP PICK ROLL
- syn keyword forthStack 2DROP 2NIP 2DUP 2OVER 2TUCK 2SWAP 2ROT
- syn keyword forthStack 3DUP 4DUP
- syn keyword forthRStack >R R> R@ RDROP 2>R 2R> 2R@ 2RDROP
- syn keyword forthFStack FDROP FNIP FDUP FOVER FTUCK FSWAP FROT
-
- " stack pointer manipulations
- syn keyword forthSP SP@ SP! FP@ FP! RP@ RP! LP@ LP!
-
- " address operations
- syn keyword forthMemory @ ! +! C@ C! 2@ 2! F@ F! SF@ SF! DF@ DF!
- syn keyword forthAdrArith CHARS CHAR+ CELLS CELL+ CELL ALIGN ALIGNED FLOATS
- syn keyword forthAdrArith FLOAT+ FLOAT FALIGN FALIGNED SFLOATS SFLOAT+
- syn keyword forthAdrArith SFALIGN SFALIGNED DFLOATS DFLOAT+ DFALIGN DFALIGNED
- syn keyword forthAdrArith MAXALIGN MAXALIGNED CFALIGN CFALIGNED
- syn keyword forthAdrArith ADDRESS-UNIT-BITS ALLOT ALLOCATE HERE
- syn keyword forthMemBlks MOVE ERASE CMOVE CMOVE> FILL BLANK
-
- " conditionals
- syn keyword forthCond IF ELSE ENDIF THEN CASE OF ENDOF ENDCASE ?DUP-IF
- syn keyword forthCond ?DUP-0=-IF AHEAD CS-PICK CS-ROLL CATCH THROW
-
- " iterations
- syn keyword forthLoop BEGIN WHILE REPEAT UNTIL AGAIN
- syn keyword forthLoop ?DO LOOP I J K +DO U+DO -DO U-DO DO +LOOP -LOOP
- syn keyword forthLoop UNLOOP LEAVE ?LEAVE EXIT DONE FOR NEXT
-
- " new words
- syn match forthColonDef '\<:\s*[^ \t]\+\>'
- syn keyword forthEndOfColonDef ;
- syn keyword forthDefine CONSTANT 2CONSTANT FCONSTANT VARIABLE 2VARIABLE CREATE
- syn keyword forthDefine USER VALUE TO DEFER IS DOES> IMMEDIATE COMPILE-ONLY
- syn keyword forthDefine COMPILE RESTRICT INTERPRET POSTPONE EXECUTE LITERAL
- syn keyword forthDefine CREATE-INTERPRET/COMPILE INTERPRETATION> <INTERPRETATION
- syn keyword forthDefine COMPILATION> <COMPILATION ] LASTXT COMP' POSTPONE,
- syn keyword forthDefine FIND-NAME NAME>INT NAME?INT NAME>COMP NAME>STRING STATE
- syn match forthDefine "\[COMP']"
- syn match forthDefine "'"
- syn match forthDefine '\<\[\>'
- syn match forthDefine "\[']"
- syn match forthDefine '\[COMPILE]'
-
- " debugging
- syn keyword forthDebug PRINTDEBUGDATA PRINTDEBUGLINE
- syn match forthDebug "\<\~\~\>"
-
- " Assembler
- syn keyword forthAssembler ASSEMBLER CODE END-CODE ;CODE FLUSH-ICACHE C,
-
- " basic character operations
- syn keyword forthCharOps (.) CHAR EXPECT FIND WORD TYPE -TRAILING EMIT KEY
- syn keyword forthCharOps KEY? TIB CR
- syn region forthCharOps start=+."\s+ skip=+\\"+ end=+"+
-
- " char-number conversion
- syn keyword forthConversion <# # #> #S (NUMBER) (NUMBER?) CONVERT D>F D>S DIGIT
- syn keyword forthConversion DPL F>D HLD HOLD NUMBER S>D SIGN >NUMBER
-
- " interptreter, wordbook, compiler
- syn keyword forthForth (LOCAL) BYE COLD ABORT >BODY >NEXT >LINK CFA >VIEW HERE
- syn keyword forthForth PAD WORDS VIEW VIEW> N>LINK NAME> LINK> L>NAME FORGET
- syn keyword forthForth BODY>
- syn region forthForth start=+ABORT"\s+ skip=+\\"+ end=+"+
-
- " vocabularies
- syn keyword forthVocs ONLY FORTH ALSO ROOT SEAL VOCS ORDER CONTEXT #VOCS
- syn keyword forthVocs VOCABULARY DEFINITIONS
-
- " numbers
- syn keyword forthMath DECIMAL HEX BASE
- syn match forthInteger '\<-\=[0-9.]*[0-9.]\+\>'
- syn match forthHex '\<[0-9a-fA-F]*[0-9][0-9a-fA-F]*\>'
- syn match forthFloat '\<-\=[0-9]*[.]\=[0-9]\+[Ee][0-9]\+\>'
-
- " Strings
- syn region forthString start=+\.*\"+ end=+"+ end=+$+
-
- " Comments
- syn match forthComment '\\\s.*$' contains=forthTodo
- syn region forthComment start='\\S\s' end='.*' contains=forthTodo
- syn match forthComment '\.(\s[^)]*)' contains=forthTodo
- syn region forthComment start='(\s' skip='\\)' end=')' contains=forthTodo
- "syn match forthComment '(\s[^\-]*\-\-[^\-]*)' contains=forthTodo
-
- " Include files
- syn match forthInclude '^INCLUDE\s\+\k\+'
-
- " Define the default highlighting.
- " For version 5.7 and earlier: only when not done already
- " For version 5.8 and later: only when an item doesn't have highlighting yet
- if version >= 508 || !exists("did_forth_syn_inits")
- if version < 508
- let did_forth_syn_inits = 1
- command -nargs=+ HiLink hi link <args>
- else
- command -nargs=+ HiLink hi def link <args>
- endif
-
- " The default methods for highlighting. Can be overriden later.
- HiLink forthTodo Todo
- HiLink forthOperators Operator
- HiLink forthMath Number
- HiLink forthInteger Number
- HiLink forthFloat Float
- HiLink forthStack Special
- HiLink forthRstack Special
- HiLink forthFStack Special
- HiLink forthSP Special
- HiLink forthMemory Function
- HiLink forthAdrArith Function
- HiLink forthMemBlks Function
- HiLink forthCond Conditional
- HiLink forthLoop Repeat
- HiLink forthColonDef Define
- HiLink forthEndOfColonDef Define
- HiLink forthDefine Define
- HiLink forthDebug Debug
- HiLink forthAssembler Include
- HiLink forthCharOps Character
- HiLink forthConversion String
- HiLink forthForth Statement
- HiLink forthVocs Statement
- HiLink forthString String
- HiLink forthComment Comment
-
- delcommand HiLink
- endif
-
- let b:current_syntax = "forth"
-
- " vim:ts=3:sw=3
-