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1 " Vim syntax file
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2 " Language: eRuby
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3 " Maintainer: Tim Pope <vimNOSPAM@tpope.org>
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4 " URL: https://github.com/vim-ruby/vim-ruby
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5 " Release Coordinator: Doug Kearns <dougkearns@gmail.com>
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6 " Last Change: 2022 Mar 18
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7
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8 if exists("b:current_syntax")
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9 finish
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10 endif
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11
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12 if !exists("main_syntax")
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13 let main_syntax = 'eruby'
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14 endif
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15
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16 if !exists("g:eruby_default_subtype")
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17 let g:eruby_default_subtype = "html"
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18 endif
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19
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20 if &filetype =~ '^eruby\.'
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21 let b:eruby_subtype = matchstr(&filetype,'^eruby\.\zs\w\+')
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22 elseif !exists("b:eruby_subtype") && main_syntax == 'eruby'
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23 let s:lines = getline(1)."\n".getline(2)."\n".getline(3)."\n".getline(4)."\n".getline(5)."\n".getline("$")
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24 let b:eruby_subtype = matchstr(s:lines,'eruby_subtype=\zs\w\+')
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25 if b:eruby_subtype == ''
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26 let b:eruby_subtype = matchstr(substitute(expand("%:t"),'\c\%(\.erb\|\.eruby\|\.erubis\|\.example\)\+$','',''),'\.\zs\w\+\%(\ze+\w\+\)\=$')
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27 endif
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28 if b:eruby_subtype == 'rhtml'
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29 let b:eruby_subtype = 'html'
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30 elseif b:eruby_subtype == 'rb'
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31 let b:eruby_subtype = 'ruby'
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32 elseif b:eruby_subtype == 'yml'
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33 let b:eruby_subtype = 'yaml'
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34 elseif b:eruby_subtype == 'js'
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35 let b:eruby_subtype = 'javascript'
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36 elseif b:eruby_subtype == 'txt'
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37 " Conventional; not a real file type
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38 let b:eruby_subtype = 'text'
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39 elseif b:eruby_subtype == ''
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40 let b:eruby_subtype = g:eruby_default_subtype
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41 endif
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42 endif
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43
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44 if !exists("b:eruby_nest_level")
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45 if &syntax =~# '\<eruby\.eruby\>'
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46 let b:eruby_nest_level = strlen(substitute(substitute(&filetype,'\C\<eruby\>','@','g'),'[^@]','','g'))
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47 else
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48 let b:eruby_nest_level = strlen(substitute(substitute(substitute(expand("%:t"),'@','','g'),'\c\.\%(erb\|rhtml\)\>','@','g'),'[^@]','','g'))
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49 endif
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50 endif
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51 if !b:eruby_nest_level
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52 let b:eruby_nest_level = 1
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53 endif
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54
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55 if exists("b:eruby_subtype") && b:eruby_subtype != '' && b:eruby_subtype !=? 'eruby'
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56 exe "runtime! syntax/".b:eruby_subtype.".vim"
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57 unlet! b:current_syntax
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58 endif
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59 syn include @rubyTop syntax/ruby.vim
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60
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61 syn cluster erubyRegions contains=erubyOneLiner,erubyBlock,erubyExpression,erubyComment
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62
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63 exe 'syn region erubyOneLiner matchgroup=erubyDelimiter start="^%\{1,'.b:eruby_nest_level.'\}%\@!" end="$" contains=@rubyTop containedin=ALLBUT,@erubyRegions keepend oneline'
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64 exe 'syn region erubyBlock matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}%\@!-\=" end="[=-]\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=@rubyTop containedin=ALLBUT,@erubyRegions keepend'
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65 exe 'syn region erubyExpression matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}=\{1,4}" end="[=-]\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=@rubyTop containedin=ALLBUT,@erubyRegions keepend'
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66 exe 'syn region erubyComment matchgroup=erubyDelimiter start="<%\{1,'.b:eruby_nest_level.'\}-\=#" end="[=-]\=%\@<!%\{1,'.b:eruby_nest_level.'\}>" contains=rubyTodo,@Spell containedin=ALLBUT,@erubyRegions keepend'
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67
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68 " Define the default highlighting.
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69
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70 hi def link erubyDelimiter PreProc
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71 hi def link erubyComment Comment
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72
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73 let b:current_syntax = 'eruby'
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74
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75 if main_syntax == 'eruby'
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76 unlet main_syntax
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77 endif
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78
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79 " vim: nowrap sw=2 sts=2 ts=8:
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