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https://github.com/vim/vim.git
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66 lines
1.8 KiB
VimL
66 lines
1.8 KiB
VimL
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" Vim indent file
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" Language: Vim script
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" Maintainer: Bram Moolenaar <Bram@vim.org>
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" Last Change: 2003 May 25
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" Only load this indent file when no other was loaded.
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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 indentexpr=GetVimIndent()
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setlocal indentkeys+==end,=else,=cat,=fina,=END,0\\
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" Only define the function once.
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if exists("*GetVimIndent")
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finish
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endif
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function GetVimIndent()
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" Find a non-blank line above the current line.
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let lnum = prevnonblank(v:lnum - 1)
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" If the current line doesn't start with '\' and below a line that starts
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" with '\', use the indent of the line above it.
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if getline(v:lnum) !~ '^\s*\\'
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while lnum > 0 && getline(lnum) =~ '^\s*\\'
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let lnum = lnum - 1
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endwhile
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endif
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" At the start of the file use zero indent.
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if lnum == 0
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return 0
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endif
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" Add a 'shiftwidth' after :if, :while, :try, :catch, :finally, :function
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" and :else. Add it three times for a line that starts with '\' after
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" a line that doesn't.
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let ind = indent(lnum)
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if getline(v:lnum) =~ '^\s*\\' && v:lnum > 1 && getline(lnum) !~ '^\s*\\'
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let ind = ind + &sw * 3
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elseif getline(lnum) =~ '\(^\||\)\s*\(if\|wh\%[ile]\|try\|cat\%[ch]\|fina\%[lly]\|fu\%[nction]\|el\%[seif]\)\>'
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let ind = ind + &sw
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elseif getline(lnum) =~ '^\s*aug\%[roup]' && getline(lnum) !~ '^\s*aug\%[roup]\s*!\=\s\+END'
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let ind = ind + &sw
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endif
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" If the previous line contains an "end" after a pipe, but not in an ":au"
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" command.
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if getline(lnum) =~ '|\s*\(ene\@!\)' && getline(lnum) !~ '^\s*au\%[tocmd]'
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let ind = ind - &sw
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endif
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" Subtract a 'shiftwidth' on a :endif, :endwhile, :catch, :finally, :endtry,
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" :endfun, :else and :augroup END.
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if getline(v:lnum) =~ '^\s*\(ene\@!\|cat\|fina\|el\|aug\%[roup]\s*!\=\s\+END\)'
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let ind = ind - &sw
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endif
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return ind
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endfunction
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" vim:sw=2
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