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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 " Site: http://rms.republika.pl/vim/syntax/snobol4.vim
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5 " Last change: 2006 may 1
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6 " Changes:
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7 " - nonexistent Snobol4 keywords displayed as errors.
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8
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9 " For version 5.x: Clear all syntax items
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10 " For version 6.x: Quit when a syntax file was already loaded
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11 if version < 600
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12 syntax clear
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13 elseif exists("b:current_syntax")
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14 finish
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15 endif
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16
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17 syntax case ignore
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18 " Vanilla Snobol4 keywords
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19 syn keyword snobol4Keyword any apply arb arbno arg array
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20 syn keyword snobol4Keyword break
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21 syn keyword snobol4Keyword char clear code collect convert copy
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22 syn keyword snobol4Keyword data datatype date define detach differ dump dupl
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23 syn keyword snobol4Keyword endfile eq eval
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24 syn keyword snobol4Keyword field
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25 syn keyword snobol4Keyword ge gt ident
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26 syn keyword snobol4Keyword input integer item
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27 syn keyword snobol4Keyword le len lgt local lpad lt
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28 syn keyword snobol4Keyword ne notany
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29 syn keyword snobol4Keyword opsyn output
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30 syn keyword snobol4Keyword pos prototype
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31 syn keyword snobol4Keyword remdr replace rpad rpos rtab
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32 syn keyword snobol4Keyword size span stoptr
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33 syn keyword snobol4Keyword tab table time trace trim terminal
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34 syn keyword snobol4Keyword unload
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35 syn keyword snobol4Keyword value
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36 " Spitbol keywords
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37 " CSNOBOL keywords
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38 syn keyword snobol4Keyword sset
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39
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40 syn region snobol4String matchgroup=Quote start=+"+ skip=+\\"+ end=+"+
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41 syn region snobol4String matchgroup=Quote start=+'+ skip=+\\'+ end=+'+
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42 syn match snobol4Statement "^-[^ ][^ ]*"
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43 syn match snobol4Comment "^\*.*$"
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44 syn match snobol4Comment ";\*.*$"
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45 syn match snobol4Constant "[^a-z]\.[a-z][a-z0-9\-]*"
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46 syn region snobol4Goto start=":[sf]\{0,1}(" end=")\|$\|;" contains=ALLBUT,snobol4ParenError
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47 syn match snobol4Number "\<\d*\(\.\d\d*\)*\>"
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48 syn match snobol4BogusSysVar "&\w\{1,}"
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49 syn match snobol4SysVar "&\(abort\|alphabet\|anchor\|arb\|bal\|case\|code\|dump\|errlimit\|errtext\|errtype\|fail\|fence\|fnclevel\|ftrace\|fullscan\|input\|lastno\|lcase\|maxlngth\|output\|parm\|rem\|rtntype\|stcount\|stfcount\|stlimit\|stno\|succeed\|trace\|trim\|ucase\)"
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50 syn match snobol4Label "^[^-\.\+ \t]\S\{1,}"
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51 "
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52 " Parens matching
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53 syn cluster snobol4ParenGroup contains=snobol4ParenError
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54 syn region snobol4Paren transparent start='(' end=')' contains=ALLBUT,@snobol4ParenGroup,snobol4ErrInBracket
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55 syn match snobol4ParenError display "[\])]"
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56 syn match snobol4ErrInParen display contained "[\]{}]\|<%\|%>"
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57 syn region snobol4Bracket transparent start='\[\|<:' end=']\|:>' contains=ALLBUT,@snobol4ParenGroup,snobol4ErrInParen
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58 syn match snobol4ErrInBracket display contained "[){}]\|<%\|%>"
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59
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60 " optional shell shebang line
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61 syn match snobol4Comment "^\#\!.*$"
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62
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63
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64 " Define the default highlighting.
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65 " For version 5.7 and earlier: only when not done already
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66 " For version 5.8 and later: only when an item doesn't have highlighting yet
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67 if version >= 508 || !exists("did_snobol4_syntax_inits")
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68 if version < 508
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69 let did_snobol4_syntax_inits = 1
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70 command -nargs=+ HiLink hi link <args>
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71 else
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72 command -nargs=+ HiLink hi def link <args>
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73 endif
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74
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75 HiLink snobol4Constant Constant
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76 HiLink snobol4Label Label
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77 HiLink snobol4Goto Repeat
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78 HiLink snobol4Conditional Conditional
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79 HiLink snobol4Repeat Repeat
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80 HiLink snobol4Number Number
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81 HiLink snobol4Error Error
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82 HiLink snobol4Statement PreProc
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83 HiLink snobol4String String
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84 HiLink snobol4Comment Comment
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85 HiLink snobol4Special Special
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86 HiLink snobol4Todo Todo
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87 HiLink snobol4Keyword Statement
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88 HiLink snobol4Function Statement
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89 HiLink snobol4Keyword Keyword
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90 HiLink snobol4MathsOperator Operator
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91 HiLink snobol4ParenError snobol4Error
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92 HiLink snobol4ErrInParen snobol4Error
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93 HiLink snobol4ErrInBracket snobol4Error
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94 HiLink snobol4SysVar Keyword
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95 HiLink snobol4BogusSysVar snobol4Error
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96
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97 delcommand HiLink
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98 endif
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99
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100 let b:current_syntax = "snobol4"
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101 " vim: ts=8
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