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1 " Vim filetype plugin file
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2 " Language: BASIC (QuickBASIC 4.5)
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3 " Maintainer: Doug Kearns <dougkearns@gmail.com>
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4 " Last Change: 2021 Mar 16
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5
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6 if exists("b:did_ftplugin")
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7 finish
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8 endif
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9 let b:did_ftplugin = 1
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10
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11 let s:cpo_save = &cpo
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12 set cpo&vim
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13
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14 setlocal comments=:REM\ ,:Rem\ ,:rem\ ,:'
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15 setlocal commentstring='\ %s
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16 setlocal formatoptions-=t formatoptions+=croql
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17
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18 " TODO: support exit ... as middle matches?
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19 if exists("loaded_matchit") && !exists("b:match_words")
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20 let s:line_start = '\%(^\s*\)\@<='
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21 let s:not_end = '\%(end\s\+\)\@<!'
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22 let s:not_end_or_exit = '\%(\%(end\|exit\)\s\+\)\@<!'
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23
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24 let b:match_ignorecase = 1
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25 let b:match_words =
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26 \ s:not_end_or_exit .. '\<def\s\+fn:\<end\s\+def\>,' ..
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27 \ s:not_end_or_exit .. '\<function\>:\<end\s\+function\>,' ..
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28 \ s:not_end_or_exit .. '\<sub\>:\<end\s\+sub\>,' ..
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29 \ s:not_end .. '\<type\>:\<end\s\+type\>,' ..
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30 \ s:not_end .. '\<select\>:\%(select\s\+\)\@<!\<case\%(\s\+\%(else\|is\)\)\=\>:\<end\s\+select\>,' ..
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31 \ '\<do\>:\<loop\>,' ..
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32 \ '\<for\>\%(\s\+\%(input\|output\|random\|append\|binary\)\)\@!:\<next\>,' ..
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33 \ '\<while\>:\<wend\>,' ..
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34 \ s:line_start .. 'if\%(.*\<then\s*\%($\|''\)\)\@=:\<\%(' .. s:line_start .. 'else\|elseif\)\>:\<end\s\+if\>,' ..
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35 \ '\<lock\>:\<unlock\>'
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36
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37 let b:match_skip = 'synIDattr(synID(line("."),col("."),1),"name") =~? "comment\\|string" || ' ..
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38 \ 'strpart(getline("."), 0, col(".") ) =~? "\\<exit\\s\\+"'
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39
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40 unlet s:line_start s:not_end s:not_end_or_exit
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41 endif
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42
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43 if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
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44 let b:browsefilter = "BASIC Source Files (*.bas)\t*.bas\n" ..
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45 \ "BASIC Include Files (*.bi, *.bm)\t*.bi;*.bm\n" ..
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46 \ "All Files (*.*)\t*.*\n"
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47 endif
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48
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49 let b:undo_ftplugin = "setl fo< com< cms<" ..
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50 \ " | unlet! b:match_ignorecase b:match_skip b:match_words" ..
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51 \ " | unlet! b:browsefilter"
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52
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53 let &cpo = s:cpo_save
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54 unlet s:cpo_save
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55
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56 " vim: nowrap sw=2 sts=2 ts=8 noet fdm=marker:
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