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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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5 " Last Change: 2018-01-21
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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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20 if exists("*GetNsisIndent")
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21 finish
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22 endif
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23
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24 function! GetNsisIndent(lnum)
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25 " If this line is explicitly joined: If the previous line was also joined,
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26 " line it up with that one, otherwise add two 'shiftwidth'
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27 if getline(a:lnum - 1) =~ '\\$'
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28 if a:lnum > 1 && getline(a:lnum - 2) =~ '\\$'
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29 return indent(a:lnum - 1)
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30 endif
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31 return indent(a:lnum - 1) + shiftwidth() * 2
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32 endif
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33
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34 " Grab the current line, stripping comments.
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35 let l:thisl = substitute(getline(a:lnum), '[;#].*$', '', '')
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36 " Check if this line is a conditional preprocessor line.
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37 let l:preproc = l:thisl =~? '^\s*!\%(if\|else\|endif\)'
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38
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39 " Grab the previous line, stripping comments.
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40 " Skip preprocessor lines and continued lines.
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41 let l:prevlnum = a:lnum
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42 while 1
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43 let l:prevlnum = prevnonblank(l:prevlnum - 1)
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44 if l:prevlnum == 0
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45 " top of file
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46 return 0
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47 endif
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48 let l:prevl = substitute(getline(l:prevlnum), '[;#].*$', '', '')
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49 let l:prevpreproc = l:prevl =~? '^\s*!\%(if\|else\|endif\)'
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50 if l:preproc == l:prevpreproc && getline(l:prevlnum - 1) !~? '\\$'
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51 break
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52 endif
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53 endwhile
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54 let l:previ = indent(l:prevlnum)
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55 let l:ind = l:previ
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56
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57 if l:preproc
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58 " conditional preprocessor
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59 if l:prevl =~? '^\s*!\%(if\%(\%(macro\)\?n\?def\)\?\|else\)\>'
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60 let l:ind += shiftwidth()
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61 endif
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62 if l:thisl =~? '^\s*!\%(else\|endif\)\?\>'
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63 let l:ind -= shiftwidth()
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64 endif
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65 return l:ind
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66 endif
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67
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68 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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69 " previous line opened a block
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70 let l:ind += shiftwidth()
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71 endif
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72 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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73 " this line closed a block
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74 let l:ind -= shiftwidth()
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75 elseif l:thisl =~? '^\s*\${\%(Case\|Case[2-5]\|CaseElse\|Default\)\>}\?'
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76 if l:prevl !~? '^\s*\${\%(Select\|Switch\)}'
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77 let l:ind -= shiftwidth()
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78 endif
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79 elseif l:thisl =~? '^\s*\${\%(EndSelect\|EndSwitch\)\>}\?'
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80 " this line closed a block
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81 if l:prevl =~? '^\s*\${\%(Select\|Switch\)}'
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82 let l:ind -= shiftwidth()
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83 else
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84 let l:ind -= shiftwidth() * 2
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85 endif
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86 endif
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87
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88 return l:ind
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89 endfunction
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90
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91 " vim: ts=8 sw=2 sts=2
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