53 lines
1.0 KiB
VimL
53 lines
1.0 KiB
VimL
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" Vim indent file
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" Language: Kyn
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" Maintainer: Gemini
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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=GetKynIndent()
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setlocal indentkeys+=={,},0)
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let b:undo_indent = "setlocal indentexpr< indentkeys<"
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" Only define the function once
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if exists("*GetKynIndent")
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finish
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endif
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function GetKynIndent()
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" Get the line number of the current line
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let lnum = v:lnum
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" Get the current line
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let cline = getline(lnum)
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" If the current line has a '}', decrease indent
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if cline =~ '^\s*}'
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let lnum = prevnonblank(lnum - 1)
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return indent(lnum)
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endif
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" Find the previous non-blank line
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let lnum = prevnonblank(lnum - 1)
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" At the start of the file, no indent
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if lnum == 0
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return 0
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endif
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" Get the indent of the previous line
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let prev_indent = indent(lnum)
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let prev_line = getline(lnum)
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" If the previous line ends with '{', increase indent
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if prev_line =~ '{\s*$'
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return prev_indent + &shiftwidth
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endif
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" Otherwise, keep the same indent
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return prev_indent
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endfunction
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