2018-01-28 22:47:25 +01:00
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" Vim indent file
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" Language: NSIS script
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" Maintainer: Ken Takata
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" URL: https://github.com/k-takata/vim-nsis
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2021-10-23 12:08:41 +01:00
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" Last Change: 2021-10-18
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2018-01-28 22:47:25 +01:00
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" Filenames: *.nsi
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" License: VIM License
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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setlocal nosmartindent
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setlocal noautoindent
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setlocal indentexpr=GetNsisIndent(v:lnum)
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setlocal indentkeys=!^F,o,O
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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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2021-10-23 12:08:41 +01:00
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let b:undo_indent = "setl ai< inde< indk< si<"
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2018-01-28 22:47:25 +01:00
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if exists("*GetNsisIndent")
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finish
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endif
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function! GetNsisIndent(lnum)
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" If this line is explicitly joined: If the previous line was also joined,
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" line it up with that one, otherwise add two 'shiftwidth'
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if getline(a:lnum - 1) =~ '\\$'
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if a:lnum > 1 && getline(a:lnum - 2) =~ '\\$'
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return indent(a:lnum - 1)
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endif
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return indent(a:lnum - 1) + shiftwidth() * 2
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endif
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" Grab the current line, stripping comments.
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let l:thisl = substitute(getline(a:lnum), '[;#].*$', '', '')
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" Check if this line is a conditional preprocessor line.
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let l:preproc = l:thisl =~? '^\s*!\%(if\|else\|endif\)'
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" Grab the previous line, stripping comments.
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" Skip preprocessor lines and continued lines.
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let l:prevlnum = a:lnum
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while 1
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let l:prevlnum = prevnonblank(l:prevlnum - 1)
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if l:prevlnum == 0
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" top of file
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return 0
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endif
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let l:prevl = substitute(getline(l:prevlnum), '[;#].*$', '', '')
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let l:prevpreproc = l:prevl =~? '^\s*!\%(if\|else\|endif\)'
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if l:preproc == l:prevpreproc && getline(l:prevlnum - 1) !~? '\\$'
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break
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endif
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endwhile
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let l:previ = indent(l:prevlnum)
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let l:ind = l:previ
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if l:preproc
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" conditional preprocessor
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if l:prevl =~? '^\s*!\%(if\%(\%(macro\)\?n\?def\)\?\|else\)\>'
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let l:ind += shiftwidth()
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endif
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if l:thisl =~? '^\s*!\%(else\|endif\)\?\>'
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let l:ind -= shiftwidth()
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endif
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return l:ind
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endif
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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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" previous line opened a block
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let l:ind += shiftwidth()
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endif
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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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" this line closed a block
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let l:ind -= shiftwidth()
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elseif l:thisl =~? '^\s*\${\%(Case\|Case[2-5]\|CaseElse\|Default\)\>}\?'
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if l:prevl !~? '^\s*\${\%(Select\|Switch\)}'
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let l:ind -= shiftwidth()
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endif
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elseif l:thisl =~? '^\s*\${\%(EndSelect\|EndSwitch\)\>}\?'
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" this line closed a block
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if l:prevl =~? '^\s*\${\%(Select\|Switch\)}'
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let l:ind -= shiftwidth()
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else
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let l:ind -= shiftwidth() * 2
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endif
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endif
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return l:ind
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endfunction
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" vim: ts=8 sw=2 sts=2
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