/usr/share/vim/vim80/ftplugin/j.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 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 | " Vim filetype plugin
" Language: J
" Maintainer: David Bürgin <676c7473@gmail.com>
" URL: https://github.com/glts/vim-j
" Last Change: 2015-09-27
if exists('b:did_ftplugin')
finish
endif
let b:did_ftplugin = 1
let s:save_cpo = &cpo
set cpo&vim
setlocal iskeyword=48-57,A-Z,a-z,_
setlocal comments=:NB.
setlocal commentstring=NB.\ %s
setlocal formatoptions-=t
setlocal matchpairs=(:)
setlocal path-=/usr/include
" Includes. To make the shorthand form "require 'web/cgi'" work, double the
" last path component. Also strip off leading folder names like "~addons/".
setlocal include=\\v^\\s*(load\|require)\\s*'\\zs\\f+\\ze'
setlocal includeexpr=substitute(substitute(tr(v:fname,'\\','/'),'\\v^[^~][^/.]*(/[^/.]+)$','&\\1',''),'\\v^\\~[^/]+/','','')
setlocal suffixesadd=.ijs
let b:undo_ftplugin = 'setlocal matchpairs< formatoptions< commentstring< comments< iskeyword< path< include< includeexpr< suffixesadd<'
" Section movement with ]] ][ [[ []. The start/end patterns below are amended
" inside the function in order to avoid matching on the current cursor line.
let s:sectionstart = '\%(\s*Note\|.\{-}\<\%([0-4]\|13\|noun\|adverb\|conjunction\|verb\|monad\|dyad\)\s\+\%(:\s*0\|def\s\+0\|define\)\)\>.*'
let s:sectionend = '\s*)\s*'
function! s:SearchSection(end, backwards, visualmode) abort
if a:visualmode !=# ''
normal! gv
endif
let l:flags = a:backwards ? 'bsW' : 'sW'
if a:end
call search('^' . s:sectionend . (a:backwards ? '\n\_.\{-}\%#' : '$'), l:flags)
else
call search('^' . s:sectionstart . (a:backwards ? '\n\_.\{-}\%#' : '$'), l:flags)
endif
endfunction
noremap <buffer> <silent> ]] :<C-U>call <SID>SearchSection(0, 0, '')<CR>
xnoremap <buffer> <silent> ]] :<C-U>call <SID>SearchSection(0, 0, visualmode())<CR>
sunmap <buffer> ]]
noremap <buffer> <silent> ][ :<C-U>call <SID>SearchSection(1, 0, '')<CR>
xnoremap <buffer> <silent> ][ :<C-U>call <SID>SearchSection(1, 0, visualmode())<CR>
sunmap <buffer> ][
noremap <buffer> <silent> [[ :<C-U>call <SID>SearchSection(0, 1, '')<CR>
xnoremap <buffer> <silent> [[ :<C-U>call <SID>SearchSection(0, 1, visualmode())<CR>
sunmap <buffer> [[
noremap <buffer> <silent> [] :<C-U>call <SID>SearchSection(1, 1, '')<CR>
xnoremap <buffer> <silent> [] :<C-U>call <SID>SearchSection(1, 1, visualmode())<CR>
sunmap <buffer> []
let b:undo_ftplugin .= ' | silent! execute "unmap <buffer> ]]"'
\ . ' | silent! execute "unmap <buffer> ]["'
\ . ' | silent! execute "unmap <buffer> [["'
\ . ' | silent! execute "unmap <buffer> []"'
" Browse dialog filter on Windows (see ":help browsefilter")
if has('gui_win32') && !exists('b:browsefilter')
let b:browsefilter = "J Script Files (*.ijs)\t*.ijs\n"
\ . "All Files (*.*)\t*.*\n"
let b:undo_ftplugin .= ' | unlet! b:browsefilter'
endif
" Enhanced "%" matching (see ":help matchit")
if exists('loaded_matchit') && !exists('b:match_words')
let b:match_ignorecase = 0
let b:match_words = '^\%(\s*Note\|.\{-}\<\%([0-4]\|13\|noun\|adverb\|conjunction\|verb\|monad\|dyad\)\s\+\%(\:\s*0\|def\s\+0\|define\)\)\>:^\s*\:\s*$:^\s*)\s*$'
\ . ',\<\%(for\%(_\a\k*\)\=\|if\|select\|try\|whil\%(e\|st\)\)\.:\<\%(case\|catch[dt]\=\|else\%(if\)\=\|fcase\)\.:\<end\.'
let b:undo_ftplugin .= ' | unlet! b:match_ignorecase b:match_words'
endif
let &cpo = s:save_cpo
unlet s:save_cpo
|