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23466
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1 " Vim syntax file
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2 " Language: S-expressions as used in Sexplib
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3 " Filenames: *.sexp
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4 " Maintainers: Markus Mottl <markus.mottl@gmail.com>
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5 " URL: https://github.com/ocaml/vim-ocaml
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6 " Last Change: 2020 Dec 31 - Updated header for Vim contribution (MM)
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7 " 2017 Apr 11 - Improved matching of negative numbers (MM)
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8 " 2012 Jun 20 - Fixed a block comment highlighting bug (MM)
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9
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10 " For version 5.x: Clear all syntax items
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11 " For version 6.x: Quit when a syntax file was already loaded
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12 if version < 600
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13 syntax clear
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14 elseif exists("b:current_syntax") && b:current_syntax == "sexplib"
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15 finish
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16 endif
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17
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18 " Sexplib is case sensitive.
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19 syn case match
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20
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21 " Comments
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22 syn keyword sexplibTodo contained TODO FIXME XXX NOTE
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23 syn region sexplibBlockComment matchgroup=sexplibComment start="#|" matchgroup=sexplibComment end="|#" contains=ALLBUT,sexplibQuotedAtom,sexplibUnquotedAtom,sexplibEncl,sexplibComment
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24 syn match sexplibSexpComment "#;" skipwhite skipempty nextgroup=sexplibQuotedAtomComment,sexplibUnquotedAtomComment,sexplibListComment,sexplibComment
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25 syn region sexplibQuotedAtomComment start=+"+ skip=+\\\\\|\\"+ end=+"+ contained
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26 syn match sexplibUnquotedAtomComment /\([^;()" \t#|]\|#[^;()" \t|]\||[^;()" \t#]\)[^;()" \t]*/ contained
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27 syn region sexplibListComment matchgroup=sexplibComment start="(" matchgroup=sexplibComment end=")" contained contains=ALLBUT,sexplibEncl,sexplibString,sexplibQuotedAtom,sexplibUnquotedAtom,sexplibTodo,sexplibNumber,sexplibFloat
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28 syn match sexplibComment ";.*" contains=sexplibTodo
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29
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30 " Atoms
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31 syn match sexplibUnquotedAtom /\([^;()" \t#|]\|#[^;()" \t|]\||[^;()" \t#]\)[^;()" \t]*/
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32 syn region sexplibQuotedAtom start=+"+ skip=+\\\\\|\\"+ end=+"+
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33 syn match sexplibNumber "-\=\<\d\(_\|\d\)*[l|L|n]\?\>"
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34 syn match sexplibNumber "-\=\<0[x|X]\(\x\|_\)\+[l|L|n]\?\>"
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35 syn match sexplibNumber "-\=\<0[o|O]\(\o\|_\)\+[l|L|n]\?\>"
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36 syn match sexplibNumber "-\=\<0[b|B]\([01]\|_\)\+[l|L|n]\?\>"
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37 syn match sexplibFloat "-\=\<\d\(_\|\d\)*\.\?\(_\|\d\)*\([eE][-+]\=\d\(_\|\d\)*\)\=\>"
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38
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39 " Lists
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40 syn region sexplibEncl transparent matchgroup=sexplibEncl start="(" matchgroup=sexplibEncl end=")" contains=ALLBUT,sexplibParenErr
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41
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42 " Errors
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43 syn match sexplibUnquotedAtomErr /\([^;()" \t#|]\|#[^;()" \t|]\||[^;()" \t#]\)[^;()" \t]*\(#|\||#\)[^;()" \t]*/
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44 syn match sexplibParenErr ")"
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45
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46 " Synchronization
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47 syn sync minlines=50
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48 syn sync maxlines=500
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49
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50 " Define the default highlighting.
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51 " For version 5.7 and earlier: only when not done already
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52 " For version 5.8 and later: only when an item doesn't have highlighting yet
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53 if version >= 508 || !exists("did_sexplib_syntax_inits")
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54 if version < 508
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55 let did_sexplib_syntax_inits = 1
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56 command -nargs=+ HiLink hi link <args>
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57 else
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58 command -nargs=+ HiLink hi def link <args>
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59 endif
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60
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61 HiLink sexplibParenErr Error
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62 HiLink sexplibUnquotedAtomErr Error
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63
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64 HiLink sexplibComment Comment
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65 HiLink sexplibSexpComment Comment
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66 HiLink sexplibQuotedAtomComment Include
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67 HiLink sexplibUnquotedAtomComment Comment
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68 HiLink sexplibBlockComment Comment
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69 HiLink sexplibListComment Comment
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70
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71 HiLink sexplibBoolean Boolean
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72 HiLink sexplibCharacter Character
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73 HiLink sexplibNumber Number
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74 HiLink sexplibFloat Float
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75 HiLink sexplibUnquotedAtom Identifier
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76 HiLink sexplibEncl Identifier
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77 HiLink sexplibQuotedAtom Keyword
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78
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79 HiLink sexplibTodo Todo
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80
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81 HiLink sexplibEncl Keyword
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82
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83 delcommand HiLink
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84 endif
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85
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86 let b:current_syntax = "sexplib"
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87
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88 " vim: ts=8
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