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45 lines
892 B
VimL
45 lines
892 B
VimL
" Vim indent file
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" Language: Makefile
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" Maintainer: Nikolai Weibull <nikolai+work.vim@bitwi.se>
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" Latest Revision: 2005-06-29
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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=GetMakeIndent()
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setlocal indentkeys=!^F,o,O
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if exists("*GetMakeIndent")
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finish
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endif
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function s:GetStringWidth(line, str)
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let end = matchend(a:line, a:str)
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let width = 0
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for c in a:line
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if c == "\t"
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let width += &ts - (width % &ts)
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else
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let width += 1
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endif
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endfor
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return width
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endfunction
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function GetMakeIndent()
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let lnum = v:lnum - 1
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if lnum == 0
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return 0
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endif
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let line = getline(lnum)
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if line == ''
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return 0
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elseif line =~ '^[^ \t#:][^#:]*:\{1,2}\%([^=:]\|$\)'
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return indent(lnum) + &ts
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elseif line =~ '^\s*\h\w*\s*+\==\s*.\+\\$'
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return s:GetStringWidth(line, '+\==\s*')
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endif
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endfunction
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