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1 " Vim indent file
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2 " Language: Makefile
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3 " Maintainer: Nikolai Weibull <source@pcppopper.org>
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4 " URL: http://www.pcppopper.org/vim/indent/pcp/make/
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5 " Latest Revision: 2004-04-25
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6 " arch-tag: b539e147-a05c-4860-98af-1d2436db2f4b
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7
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8 " Only load this indent file when no other was loaded.
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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
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13 let b:did_indent = 1
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14
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15 setlocal indentexpr=GetMakeIndent()
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16 setlocal indentkeys=!^F,o,O
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17
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18 " Only define the function once.
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19 if exists("*GetMakeIndent")
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20 finish
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21 endif
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22
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23 function s:GetStringWidth(line, str)
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24 let end = matchend(a:line, a:str)
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25 let width = 0
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26 let i = 0
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27 while i < end
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28 if a:line[i] != "\t"
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29 let width = width + 1
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30 else
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31 let width = width + &ts - (width % &ts)
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32 endif
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33 let i = i + 1
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34 endwhile
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35 return width
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36 endfunction
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37
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38 function GetMakeIndent()
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39 if v:lnum == 1
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40 return 0
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41 endif
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42
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43 let ind = indent(v:lnum - 1)
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44 let line = getline(v:lnum - 1)
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45
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46 if line == ''
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47 let ind = 0
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48 elseif line =~ '^[^ \t#:][^#:]*:\{1,2}\([^=:]\|$\)'
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49 let ind = ind + &ts
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50 elseif line =~ '^\s*\h\w*\s*=\s*.\+\\$'
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51 let ind = s:GetStringWidth(line, '=\s*')
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52 endif
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53
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54 return ind
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55 endfunction
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56
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57 " vim: set sts=2 sw=2:
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