xref: /vim-8.2.3635/runtime/indent/teraterm.vim (revision 94688b8a)
1" Vim indent file
2" Language:	Tera Term Language (TTL)
3"		Based on Tera Term Version 4.100
4" Maintainer:	Ken Takata
5" URL:		https://github.com/k-takata/vim-teraterm
6" Last Change:	2018-08-31
7" Filenames:	*.ttl
8" License:	VIM License
9
10if exists("b:did_indent")
11  finish
12endif
13let b:did_indent = 1
14
15setlocal nosmartindent
16setlocal noautoindent
17setlocal indentexpr=GetTeraTermIndent(v:lnum)
18setlocal indentkeys=!^F,o,O,e
19setlocal indentkeys+==elseif,=endif,=loop,=next,=enduntil,=endwhile
20
21if exists("*GetTeraTermIndent")
22  finish
23endif
24
25function! GetTeraTermIndent(lnum)
26  let l:prevlnum = prevnonblank(a:lnum-1)
27  if l:prevlnum == 0
28    " top of file
29    return 0
30  endif
31
32  " grab the previous and current line, stripping comments.
33  let l:prevl = substitute(getline(l:prevlnum), ';.*$', '', '')
34  let l:thisl = substitute(getline(a:lnum), ';.*$', '', '')
35  let l:previ = indent(l:prevlnum)
36
37  let l:ind = l:previ
38
39  if l:prevl =~ '^\s*if\>.*\<then\>'
40    " previous line opened a block
41    let l:ind += shiftwidth()
42  endif
43  if l:prevl =~ '^\s*\%(elseif\|else\|do\|until\|while\|for\)\>'
44    " previous line opened a block
45    let l:ind += shiftwidth()
46  endif
47  if l:thisl =~ '^\s*\%(elseif\|else\|endif\|enduntil\|endwhile\|loop\|next\)\>'
48    " this line closed a block
49    let l:ind -= shiftwidth()
50  endif
51
52  return l:ind
53endfunction
54
55" vim: ts=8 sw=2 sts=2
56