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6951
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1 " Vim indent file
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2 " Language: Tera Term Language (TTL)
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3 " Based on Tera Term Version 4.86
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4 " Maintainer: Ken Takata
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5 " URL: https://github.com/k-takata/vim-teraterm
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6 " Last Change: 2015 Jun 4
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7 " Filenames: *.ttl
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8 " License: VIM License
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9
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10 if exists("b:did_indent")
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11 finish
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12 endif
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13 let b:did_indent = 1
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14
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15 setlocal nosmartindent
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16 setlocal noautoindent
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17 setlocal indentexpr=GetTeraTermIndent(v:lnum)
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18 setlocal indentkeys=!^F,o,O,e
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19 setlocal indentkeys+==elseif,=endif,=loop,=next,=enduntil,=endwhile
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20
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21 if exists("*GetTeraTermIndent")
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22 finish
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23 endif
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24
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25 " The shiftwidth() function is relatively new.
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26 " Don't require it to exist.
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27 if exists('*shiftwidth')
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28 function s:sw() abort
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29 return shiftwidth()
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30 endfunction
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31 else
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32 function s:sw() abort
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33 return &shiftwidth
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34 endfunction
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35 endif
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36
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37 function! GetTeraTermIndent(lnum)
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38 let l:prevlnum = prevnonblank(a:lnum-1)
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39 if l:prevlnum == 0
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40 " top of file
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41 return 0
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42 endif
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43
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44 " grab the previous and current line, stripping comments.
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45 let l:prevl = substitute(getline(l:prevlnum), ';.*$', '', '')
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46 let l:thisl = substitute(getline(a:lnum), ';.*$', '', '')
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47 let l:previ = indent(l:prevlnum)
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48
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49 let l:ind = l:previ
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50
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51 if l:prevl =~ '^\s*if\>.*\<then\s*$'
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52 " previous line opened a block
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53 let l:ind += s:sw()
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54 endif
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55 if l:prevl =~ '^\s*\%(elseif\|else\|do\|until\|while\|for\)\>'
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56 " previous line opened a block
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57 let l:ind += s:sw()
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58 endif
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59 if l:thisl =~ '^\s*\%(elseif\|else\|endif\|enduntil\|endwhile\|loop\|next\)\>'
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60 " this line closed a block
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61 let l:ind -= s:sw()
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62 endif
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63
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64 return l:ind
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65 endfunction
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66
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67 " vim: ts=8 sw=2 sts=2
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