1" Vim indent file
2" Language:		C-shell (tcsh)
3" Maintainer:		Gautam Iyer <gautam@math.uchicago.edu>
4" Last Modified:	Sat 16 Jun 2007 04:27:45 PM PDT
5
6" Only load this indent file when no other was loaded.
7if exists("b:did_indent")
8    finish
9endif
10
11let b:did_indent = 1
12
13setlocal indentexpr=TcshGetIndent()
14setlocal indentkeys+=e,0=end,0=endsw indentkeys-=0{,0},0),:,0#
15
16" Only define the function once.
17if exists("*TcshGetIndent")
18    finish
19endif
20
21set cpoptions-=C
22
23function TcshGetIndent()
24    " Find a non-blank line above the current line.
25    let lnum = prevnonblank(v:lnum - 1)
26
27    " Hit the start of the file, use zero indent.
28    if lnum == 0
29	return 0
30    endif
31
32    " Add indent if previous line begins with while or foreach
33    " OR line ends with case <str>:, default:, else, then or \
34    let ind = indent(lnum)
35    let line = getline(lnum)
36    if line =~ '\v^\s*%(while|foreach)>|^\s*%(case\s.*:|default:|else)\s*$|%(<then|\\)$'
37	let ind = ind + &sw
38    endif
39
40    if line =~ '\v^\s*breaksw>'
41	let ind = ind - &sw
42    endif
43
44    " Subtract indent if current line has on end, endif, case commands
45    let line = getline(v:lnum)
46    if line =~ '\v^\s*%(else|end|endif)\s*$'
47	let ind = ind - &sw
48    endif
49
50    return ind
51endfunction
52