| Bram Moolenaar | f913281 | 2015-07-21 19:19:13 +0200 | [diff] [blame] | 1 | " Vim indent file |
| 2 | " Language: Tera Term Language (TTL) |
| 3 | " Based on Tera Term Version 4.86 |
| 4 | " Maintainer: Ken Takata |
| 5 | " URL: https://github.com/k-takata/vim-teraterm |
| 6 | " Last Change: 2015 Jun 4 |
| 7 | " Filenames: *.ttl |
| 8 | " License: VIM License |
| 9 | |
| 10 | if exists("b:did_indent") |
| 11 | finish |
| 12 | endif |
| 13 | let b:did_indent = 1 |
| 14 | |
| 15 | setlocal nosmartindent |
| 16 | setlocal noautoindent |
| 17 | setlocal indentexpr=GetTeraTermIndent(v:lnum) |
| 18 | setlocal indentkeys=!^F,o,O,e |
| 19 | setlocal indentkeys+==elseif,=endif,=loop,=next,=enduntil,=endwhile |
| 20 | |
| 21 | if exists("*GetTeraTermIndent") |
| 22 | finish |
| 23 | endif |
| 24 | |
| 25 | " The shiftwidth() function is relatively new. |
| 26 | " Don't require it to exist. |
| 27 | if exists('*shiftwidth') |
| 28 | function s:sw() abort |
| 29 | return shiftwidth() |
| 30 | endfunction |
| 31 | else |
| 32 | function s:sw() abort |
| 33 | return &shiftwidth |
| 34 | endfunction |
| 35 | endif |
| 36 | |
| 37 | function! GetTeraTermIndent(lnum) |
| 38 | let l:prevlnum = prevnonblank(a:lnum-1) |
| 39 | if l:prevlnum == 0 |
| 40 | " top of file |
| 41 | return 0 |
| 42 | endif |
| 43 | |
| 44 | " grab the previous and current line, stripping comments. |
| 45 | let l:prevl = substitute(getline(l:prevlnum), ';.*$', '', '') |
| 46 | let l:thisl = substitute(getline(a:lnum), ';.*$', '', '') |
| 47 | let l:previ = indent(l:prevlnum) |
| 48 | |
| 49 | let l:ind = l:previ |
| 50 | |
| 51 | if l:prevl =~ '^\s*if\>.*\<then\s*$' |
| 52 | " previous line opened a block |
| 53 | let l:ind += s:sw() |
| 54 | endif |
| 55 | if l:prevl =~ '^\s*\%(elseif\|else\|do\|until\|while\|for\)\>' |
| 56 | " previous line opened a block |
| 57 | let l:ind += s:sw() |
| 58 | endif |
| 59 | if l:thisl =~ '^\s*\%(elseif\|else\|endif\|enduntil\|endwhile\|loop\|next\)\>' |
| 60 | " this line closed a block |
| 61 | let l:ind -= s:sw() |
| 62 | endif |
| 63 | |
| 64 | return l:ind |
| 65 | endfunction |
| 66 | |
| 67 | " vim: ts=8 sw=2 sts=2 |