/usr/share/vim/vim80/indent/treetop.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | " Vim indent file
" Language: Treetop
" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
" Latest Revision: 2011-03-14
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
setlocal indentexpr=GetTreetopIndent()
setlocal indentkeys=0{,0},!^F,o,O,=end
setlocal nosmartindent
if exists("*GetTreetopIndent")
finish
endif
function GetTreetopIndent()
let pnum = prevnonblank(v:lnum - 1)
if pnum == 0
return 0
endif
let ind = indent(pnum)
let line = getline(pnum)
if line =~ '^\s*\%(grammar\|module\|rule\)\>'
let ind += shiftwidth()
endif
let line = getline(v:lnum)
if line =~ '^\s*end\>'
let ind -= shiftwidth()
end
retur ind
endfunction
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