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1 " Vim syntax file
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2 " Language: SNOBOL4
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3 " Maintainer: Rafal Sulejman <rms@poczta.onet.pl>
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4 " Last change: 2004 May 16
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5
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6 " For version 5.x: Clear all syntax items
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7 " For version 6.x: Quit when a syntax file was already loaded
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8 if version < 600
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9 syntax clear
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10 elseif exists("b:current_syntax")
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11 finish
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12 endif
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13
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14 syntax case ignore
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15 " Vanilla Snobol4 keywords
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16 syn keyword snobol4Keywoard any apply arb arbno arg array
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17 syn keyword snobol4Keywoard break
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18 syn keyword snobol4Keywoard char clear code collect convert copy
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19 syn keyword snobol4Keywoard data datatype date define detach differ dump dupl
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20 syn keyword snobol4Keywoard endfile eq eval
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21 syn keyword snobol4Keywoard field
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22 syn keyword snobol4Keywoard ge gt ident
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23 syn keyword snobol4Keywoard input integer item
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24 syn keyword snobol4Keywoard le len lgt local lpad lt
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25 syn keyword snobol4Keywoard ne notany
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26 syn keyword snobol4Keywoard opsyn output
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27 syn keyword snobol4Keywoard pos prototype
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28 syn keyword snobol4Keywoard remdr replace rpad rpos rtab
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29 syn keyword snobol4Keywoard size span stoptr
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30 syn keyword snobol4Keywoard tab table time trace trim
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31 syn keyword snobol4Keywoard unload
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32 syn keyword snobol4Keywoard value
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33 " Spitbol keywords
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34 " CSNOBOL keywords
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35 syn keyword snobol4Keywoard sset
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36
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37 syn region snobol4String matchgroup=Quote start=+"+ skip=+\\"+ end=+"+
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38 syn region snobol4String matchgroup=Quote start=+'+ skip=+\\'+ end=+'+
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39 syn match snobol4Label "^[^- \t][^ \t]*"
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40 syn match snobol4Statement "^-[^ ][^ ]*"
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41 syn match snobol4Comment "^*.*$"
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42 syn match Constant "\.[a-z][a-z0-9\-]*"
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43 "syn match snobol4Label ":\([sf]*([^)]*)\)*" contains=ALLBUT,snobol4ParenError
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44 syn region snobol4Label start=":(" end=")" contains=ALLBUT,snobol4ParenError
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45 syn region snobol4Label start=":f(" end=")" contains=ALLBUT,snobol4ParenError
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46 syn region snobol4Label start=":s(" end=")" contains=ALLBUT,snobol4ParenError
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47 syn match snobol4Number "\<\d*\(\.\d\d*\)*\>"
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48 " Parens matching
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49 syn cluster snobol4ParenGroup contains=snobol4ParenError
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50 syn region snobol4Paren transparent start='(' end=')' contains=ALLBUT,@snobol4ParenGroup,snobol4ErrInBracket
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51 syn match snobol4ParenError display "[\])]"
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52 syn match snobol4ErrInParen display contained "[\]{}]\|<%\|%>"
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53 syn region snobol4Bracket transparent start='\[\|<:' end=']\|:>' contains=ALLBUT,@snobol4ParenGroup,snobol4ErrInParen
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54 syn match snobol4ErrInBracket display contained "[);{}]\|<%\|%>"
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55
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56 " optional shell shebang line
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57 syn match snobol4Comment "^\#\!.*$"
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58
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59
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60 " Define the default highlighting.
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61 " For version 5.7 and earlier: only when not done already
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62 " For version 5.8 and later: only when an item doesn't have highlighting yet
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63 if version >= 508 || !exists("did_snobol4_syntax_inits")
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64 if version < 508
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65 let did_snobol4_syntax_inits = 1
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66 command -nargs=+ HiLink hi link <args>
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67 else
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68 command -nargs=+ HiLink hi def link <args>
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69 endif
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70
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71 HiLink snobol4Label Label
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72 HiLink snobol4Conditional Conditional
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73 HiLink snobol4Repeat Repeat
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74 HiLink snobol4Number Number
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75 HiLink snobol4Error Error
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76 HiLink snobol4Statement PreProc
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77 HiLink snobol4String String
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78 HiLink snobol4Comment Comment
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79 HiLink snobol4Special Special
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80 HiLink snobol4Todo Todo
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81 HiLink snobol4Keyword Statement
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82 HiLink snobol4Function Statement
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83 HiLink snobol4Keyword Keyword
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84 HiLink snobol4MathsOperator Operator
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85 HiLink snobol4ParenError snobol4Error
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86 HiLink snobol4ErrInParen snobol4Error
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87 HiLink snobol4ErrInBracket snobol4Error
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88
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89 delcommand HiLink
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90 endif
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91
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92 let b:current_syntax = "snobol4"
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93 " vim: ts=8
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