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1 " Vim indent file
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2 " Language: C-shell (tcsh)
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3 " Maintainer: Gautam Iyer <gautam@math.uchicago.edu>
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4 " Last Modified: Wed 04 Feb 2004 04:36:07 PM CST
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5
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6 " Only load this indent file when no other was loaded.
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7 if exists("b:did_indent")
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8 finish
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9 endif
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10
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11 let b:did_indent = 1
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12
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13 setlocal indentexpr=TcshGetIndent()
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14 setlocal indentkeys+=e,0=end,0=endsw,*<return> indentkeys-=0{,0},0),:,0#
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15
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16 " Only define the function once.
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17 if exists("*TcshGetIndent")
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18 finish
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19 endif
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20
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21 set cpoptions-=C
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22
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23 function TcshGetIndent()
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24 " Find a non-blank line above the current line.
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25 let lnum = prevnonblank(v:lnum - 1)
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26
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27 " Hit the start of the file, use zero indent.
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28 if lnum == 0
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29 return 0
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30 endif
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31
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32 " Add indent if previous line begins with while or foreach
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33 " OR line ends with case <str>:, default:, else, then or \
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34 let ind = indent(lnum)
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35 let line = getline(lnum)
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36 if line =~ '\v^\s*%(while|foreach)>|^\s*%(case\s.*:|default:|else)\s*$|%(<then|\\)$'
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37 let ind = ind + &sw
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38 endif
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39
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40 if line =~ '\v^\s*breaksw>'
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41 let ind = ind - &sw
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42 endif
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43
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44 " Subtract indent if current line has on end, endif, case commands
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45 let line = getline(v:lnum)
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46 if line =~ '\v^\s*%(else|end|endif)\s*$'
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47 let ind = ind - &sw
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48 endif
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49
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50 return ind
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51 endfunction
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