xref: /vim-8.2.3635/runtime/indent/tcsh.vim (revision 2bf24176)
1" Vim indent file
2" Language:		C-shell (tcsh)
3" Maintainer:		GI <[email protected]>, where a='gi1242+vim', b='gmail', c='com'
4" Last Modified:	Sat 10 Dec 2011 09:23:00 AM EST
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
21function TcshGetIndent()
22    " Find a non-blank line above the current line.
23    let lnum = prevnonblank(v:lnum - 1)
24
25    " Hit the start of the file, use zero indent.
26    if lnum == 0
27	return 0
28    endif
29
30    " Add indent if previous line begins with while or foreach
31    " OR line ends with case <str>:, default:, else, then or \
32    let ind = indent(lnum)
33    let line = getline(lnum)
34    if line =~ '\v^\s*%(while|foreach)>|^\s*%(case\s.*:|default:|else)\s*$|%(<then|\\)$'
35	let ind = ind + &sw
36    endif
37
38    if line =~ '\v^\s*breaksw>'
39	let ind = ind - &sw
40    endif
41
42    " Subtract indent if current line has on end, endif, case commands
43    let line = getline(v:lnum)
44    if line =~ '\v^\s*%(else|end|endif)\s*$'
45	let ind = ind - &sw
46    endif
47
48    return ind
49endfunction
50