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374
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1 " Vim indent file
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25880
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2 " Language: ld(1) script
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3 " Maintainer: Doug Kearns <dougkearns@gmail.com>
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4 " Previous Maintainer: Nikolai Weibull <now@bitwi.se>
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5 " Last Change: 24 Sep 2021
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374
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6
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7 if exists("b:did_indent")
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8 finish
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9 endif
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10 let b:did_indent = 1
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11
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12 setlocal indentexpr=GetLDIndent()
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13 setlocal indentkeys=0{,0},!^F,o,O
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1221
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14 setlocal nosmartindent
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374
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15
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25880
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16 let b:undo_indent = "setl inde< indk< si<"
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17
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374
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18 if exists("*GetLDIndent")
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19 finish
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20 endif
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21
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389
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22 function s:prevnonblanknoncomment(lnum)
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23 let lnum = a:lnum
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24 while lnum > 1
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25 let lnum = prevnonblank(lnum)
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26 let line = getline(lnum)
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27 if line =~ '\*/'
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28 while lnum > 1 && line !~ '/\*'
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29 let lnum -= 1
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30 endwhile
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31 if line =~ '^\s*/\*'
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32 let lnum -= 1
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33 else
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34 break
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35 endif
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36 else
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37 break
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38 endif
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39 endwhile
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40 return lnum
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41 endfunction
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42
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374
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43 function s:count_braces(lnum, count_open)
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44 let n_open = 0
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45 let n_close = 0
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46 let line = getline(a:lnum)
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47 let pattern = '[{}]'
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48 let i = match(line, pattern)
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49 while i != -1
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50 if synIDattr(synID(a:lnum, i + 1, 0), 'name') !~ 'ld\%(Comment\|String\)'
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51 if line[i] == '{'
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52 let n_open += 1
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53 elseif line[i] == '}'
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54 if n_open > 0
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55 let n_open -= 1
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56 else
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57 let n_close += 1
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58 endif
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59 endif
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60 endif
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61 let i = match(line, pattern, i + 1)
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62 endwhile
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63 return a:count_open ? n_open : n_close
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64 endfunction
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65
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66 function GetLDIndent()
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389
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67 let line = getline(v:lnum)
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68 if line =~ '^\s*\*'
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69 return cindent(v:lnum)
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70 elseif line =~ '^\s*}'
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11160
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71 return indent(v:lnum) - shiftwidth()
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389
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72 endif
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73
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74 let pnum = s:prevnonblanknoncomment(v:lnum - 1)
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374
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75 if pnum == 0
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76 return 0
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77 endif
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78
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11160
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79 let ind = indent(pnum) + s:count_braces(pnum, 1) * shiftwidth()
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389
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80
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81 let pline = getline(pnum)
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82 if pline =~ '}\s*$'
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11160
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83 let ind -= (s:count_braces(pnum, 0) - (pline =~ '^\s*}' ? 1 : 0)) * shiftwidth()
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389
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84 endif
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85
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86 return ind
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374
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87 endfunction
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