Bram Moolenaar | 662db67 | 2011-03-22 14:05:35 +0100 | [diff] [blame] | 1 | " Vim indent file |
Bram Moolenaar | 214641f | 2017-03-05 17:04:09 +0100 | [diff] [blame] | 2 | " Language: Treetop |
| 3 | " Previous Maintainer: Nikolai Weibull <now@bitwi.se> |
| 4 | " Latest Revision: 2011-03-14 |
Bram Moolenaar | 662db67 | 2011-03-22 14:05:35 +0100 | [diff] [blame] | 5 | |
| 6 | if exists("b:did_indent") |
| 7 | finish |
| 8 | endif |
| 9 | let b:did_indent = 1 |
| 10 | |
| 11 | setlocal indentexpr=GetTreetopIndent() |
| 12 | setlocal indentkeys=0{,0},!^F,o,O,=end |
| 13 | setlocal nosmartindent |
| 14 | |
| 15 | if exists("*GetTreetopIndent") |
| 16 | finish |
| 17 | endif |
| 18 | |
| 19 | function GetTreetopIndent() |
| 20 | let pnum = prevnonblank(v:lnum - 1) |
| 21 | if pnum == 0 |
| 22 | return 0 |
| 23 | endif |
| 24 | |
| 25 | let ind = indent(pnum) |
| 26 | let line = getline(pnum) |
| 27 | |
| 28 | if line =~ '^\s*\%(grammar\|module\|rule\)\>' |
Bram Moolenaar | 036986f | 2017-03-16 17:41:02 +0100 | [diff] [blame] | 29 | let ind += shiftwidth() |
Bram Moolenaar | 662db67 | 2011-03-22 14:05:35 +0100 | [diff] [blame] | 30 | endif |
| 31 | |
| 32 | let line = getline(v:lnum) |
| 33 | if line =~ '^\s*end\>' |
Bram Moolenaar | 036986f | 2017-03-16 17:41:02 +0100 | [diff] [blame] | 34 | let ind -= shiftwidth() |
Bram Moolenaar | 662db67 | 2011-03-22 14:05:35 +0100 | [diff] [blame] | 35 | end |
| 36 | |
Bram Moolenaar | 6c391a7 | 2021-09-09 21:55:11 +0200 | [diff] [blame] | 37 | return ind |
Bram Moolenaar | 662db67 | 2011-03-22 14:05:35 +0100 | [diff] [blame] | 38 | endfunction |