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13125
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1 " Vim indent file
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2 " Language: NSIS script
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3 " Maintainer: Ken Takata
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4 " URL: https://github.com/k-takata/vim-nsis
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26050
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5 " Last Change: 2021-10-18
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6 " Filenames: *.nsi
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7 " License: VIM License
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8
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9 if exists("b:did_indent")
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10 finish
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11 endif
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12 let b:did_indent = 1
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13
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14 setlocal nosmartindent
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15 setlocal noautoindent
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16 setlocal indentexpr=GetNsisIndent(v:lnum)
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17 setlocal indentkeys=!^F,o,O
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18 setlocal indentkeys+==~${Else,=~${EndIf,=~${EndUnless,=~${AndIf,=~${AndUnless,=~${OrIf,=~${OrUnless,=~${Case,=~${Default,=~${EndSelect,=~${EndSwith,=~${Loop,=~${Next,=~${MementoSectionEnd,=~FunctionEnd,=~SectionEnd,=~SectionGroupEnd,=~PageExEnd,0=~!macroend,0=~!if,0=~!else,0=~!endif
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19
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26050
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20 let b:undo_indent = "setl ai< inde< indk< si<"
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21
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13125
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22 if exists("*GetNsisIndent")
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23 finish
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24 endif
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25
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26 function! GetNsisIndent(lnum)
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27 " If this line is explicitly joined: If the previous line was also joined,
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28 " line it up with that one, otherwise add two 'shiftwidth'
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29 if getline(a:lnum - 1) =~ '\\$'
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30 if a:lnum > 1 && getline(a:lnum - 2) =~ '\\$'
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31 return indent(a:lnum - 1)
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32 endif
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33 return indent(a:lnum - 1) + shiftwidth() * 2
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34 endif
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35
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36 " Grab the current line, stripping comments.
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37 let l:thisl = substitute(getline(a:lnum), '[;#].*$', '', '')
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38 " Check if this line is a conditional preprocessor line.
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39 let l:preproc = l:thisl =~? '^\s*!\%(if\|else\|endif\)'
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40
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41 " Grab the previous line, stripping comments.
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42 " Skip preprocessor lines and continued lines.
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43 let l:prevlnum = a:lnum
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44 while 1
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45 let l:prevlnum = prevnonblank(l:prevlnum - 1)
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46 if l:prevlnum == 0
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47 " top of file
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48 return 0
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49 endif
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50 let l:prevl = substitute(getline(l:prevlnum), '[;#].*$', '', '')
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51 let l:prevpreproc = l:prevl =~? '^\s*!\%(if\|else\|endif\)'
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52 if l:preproc == l:prevpreproc && getline(l:prevlnum - 1) !~? '\\$'
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53 break
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54 endif
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55 endwhile
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56 let l:previ = indent(l:prevlnum)
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57 let l:ind = l:previ
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58
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59 if l:preproc
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60 " conditional preprocessor
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61 if l:prevl =~? '^\s*!\%(if\%(\%(macro\)\?n\?def\)\?\|else\)\>'
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62 let l:ind += shiftwidth()
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63 endif
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64 if l:thisl =~? '^\s*!\%(else\|endif\)\?\>'
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65 let l:ind -= shiftwidth()
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66 endif
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67 return l:ind
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68 endif
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69
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70 if l:prevl =~? '^\s*\%(\${\%(If\|IfNot\|Unless\|ElseIf\|ElseIfNot\|ElseUnless\|Else\|AndIf\|AndIfNot\|AndUnless\|OrIf\|OrIfNot\|OrUnless\|Select\|Case\|Case[2-5]\|CaseElse\|Default\|Switch\|Do\|DoWhile\|DoUntil\|For\|ForEach\|MementoSection\)}\|Function\>\|Section\>\|SectionGroup\|PageEx\>\|!macro\>\)'
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71 " previous line opened a block
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72 let l:ind += shiftwidth()
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73 endif
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74 if l:thisl =~? '^\s*\%(\${\%(ElseIf\|ElseIfNot\|ElseUnless\|Else\|EndIf\|EndUnless\|AndIf\|AndIfNot\|AndUnless\|OrIf\|OrIfNot\|OrUnless\|Loop\|LoopWhile\|LoopUntil\|Next\|MementoSectionEnd\)\>}\?\|FunctionEnd\>\|SectionEnd\>\|SectionGroupEnd\|PageExEnd\>\|!macroend\>\)'
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75 " this line closed a block
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76 let l:ind -= shiftwidth()
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77 elseif l:thisl =~? '^\s*\${\%(Case\|Case[2-5]\|CaseElse\|Default\)\>}\?'
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78 if l:prevl !~? '^\s*\${\%(Select\|Switch\)}'
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79 let l:ind -= shiftwidth()
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80 endif
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81 elseif l:thisl =~? '^\s*\${\%(EndSelect\|EndSwitch\)\>}\?'
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82 " this line closed a block
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83 if l:prevl =~? '^\s*\${\%(Select\|Switch\)}'
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84 let l:ind -= shiftwidth()
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85 else
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86 let l:ind -= shiftwidth() * 2
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87 endif
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88 endif
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89
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90 return l:ind
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91 endfunction
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92
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93 " vim: ts=8 sw=2 sts=2
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