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7
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1 " Vim indent file
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389
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2 " Language: Tcl
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839
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3 " Maintainer: Nikolai Weibull <now@bitwi.se>
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4 " Latest Revision: 2006-04-19
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7
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5
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6 if exists("b:did_indent")
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7 finish
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8 endif
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9 let b:did_indent = 1
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10
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11 setlocal indentexpr=GetTclIndent()
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375
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12 setlocal indentkeys=0{,0},!^F,o,O,0]
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7
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13
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14 if exists("*GetTclIndent")
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15 finish
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16 endif
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17
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375
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18 function s:prevnonblanknoncomment(lnum)
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7
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19 let lnum = prevnonblank(a:lnum)
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20 while lnum > 0
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21 let line = getline(lnum)
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22 if line !~ '^\s*\(#\|$\)'
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23 break
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24 endif
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25 let lnum = prevnonblank(lnum - 1)
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26 endwhile
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27 return lnum
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28 endfunction
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29
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375
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30 function s:count_braces(lnum, count_open)
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31 let n_open = 0
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32 let n_close = 0
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33 let line = getline(a:lnum)
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389
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34 let pattern = '[{}]'
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375
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35 let i = match(line, pattern)
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36 while i != -1
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389
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37 if synIDattr(synID(a:lnum, i + 1, 0), 'name') !~ 'tcl\%(Comment\|String\)'
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375
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38 if line[i] == '{'
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856
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39 let n_open += 1
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375
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40 elseif line[i] == '}'
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856
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41 if n_open > 0
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42 let n_open -= 1
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43 else
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44 let n_close += 1
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45 endif
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375
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46 endif
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47 endif
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48 let i = match(line, pattern, i + 1)
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49 endwhile
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50 return a:count_open ? n_open : n_close
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51 endfunction
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7
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52
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375
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53 function GetTclIndent()
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389
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54 let line = getline(v:lnum)
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55 if line =~ '^\s*\*'
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56 return cindent(v:lnum)
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57 elseif line =~ '^\s*}'
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58 return indent(v:lnum) - &sw
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59 endif
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60
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375
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61 let pnum = s:prevnonblanknoncomment(v:lnum - 1)
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62 if pnum == 0
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7
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63 return 0
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64 endif
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65
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375
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66 let ind = indent(pnum) + s:count_braces(pnum, 1) * &sw
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389
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67
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68 let pline = getline(pnum)
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69 if pline =~ '}\s*$'
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70 let ind -= (s:count_braces(pnum, 0) - (pline =~ '^\s*}' ? 1 : 0)) * &sw
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375
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71 endif
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7
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72
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389
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73 return ind
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7
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74 endfunction
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