File Manager

X7ROOT File Manager

Current Path: /usr/share/vim/vim80/ftplugin

?? ..
?? README.txt(869 B)
?? a2ps.vim(470 B)
?? aap.vim(716 B)
?? abap.vim(800 B)
?? abaqus.vim(3.31 KB)
?? ada.vim(6.26 KB)
?? alsaconf.vim(438 B)
?? ant.vim(1.31 KB)
?? arch.vim(431 B)
?? art.vim(410 B)
?? aspvbs.vim(1.87 KB)
?? automake.vim(337 B)
?? awk.vim(411 B)
?? bdf.vim(449 B)
?? bst.vim(333 B)
?? btm.vim(316 B)
?? bzl.vim(2.99 KB)
?? c.vim(1.92 KB)
?? calendar.vim(462 B)
?? cdrdaoconf.vim(383 B)
?? ch.vim(472 B)
?? changelog.vim(8.68 KB)
?? chicken.vim(1.62 KB)
?? clojure.vim(3.74 KB)
?? cmake.vim(359 B)
?? cobol.vim(9.24 KB)
?? conf.vim(434 B)
?? config.vim(1.24 KB)
?? context.vim(4.26 KB)
?? cpp.vim(288 B)
?? crm.vim(414 B)
?? cs.vim(802 B)
?? csc.vim(734 B)
?? csh.vim(1.59 KB)
?? css.vim(528 B)
?? cucumber.vim(5 KB)
?? cvsrc.vim(399 B)
?? debchangelog.vim(11.23 KB)
?? debcontrol.vim(1.8 KB)
?? denyhosts.vim(383 B)
?? dictconf.vim(434 B)
?? dictdconf.vim(435 B)
?? diff.vim(355 B)
?? dircolors.vim(431 B)
?? docbk.vim(530 B)
?? dockerfile.vim(356 B)
?? dosbatch.vim(777 B)
?? dosini.vim(458 B)
?? dtd.vim(1.1 KB)
?? dtrace.vim(1.12 KB)
?? eiffel.vim(3.99 KB)
?? elinks.vim(436 B)
?? erlang.vim(1.77 KB)
?? eruby.vim(3.09 KB)
?? eterm.vim(470 B)
?? falcon.vim(1.31 KB)
?? fetchmail.vim(428 B)
?? flexwiki.vim(1.83 KB)
?? fortran.vim(4.58 KB)
?? framescript.vim(780 B)
?? fvwm.vim(390 B)
?? gdb.vim(293 B)
?? git.vim(1.32 KB)
?? gitcommit.vim(2.18 KB)
?? gitconfig.vim(376 B)
?? gitrebase.vim(1.42 KB)
?? gitsendemail.vim(157 B)
?? go.vim(365 B)
?? gpg.vim(433 B)
?? gprof.vim(939 B)
?? groovy.vim(343 B)
?? group.vim(425 B)
?? grub.vim(434 B)
?? haml.vim(1.84 KB)
?? hamster.vim(1.88 KB)
?? haskell.vim(445 B)
?? help.vim(442 B)
?? hgcommit.vim(363 B)
?? hog.vim(1.36 KB)
?? hostconf.vim(383 B)
?? hostsaccess.vim(436 B)
?? html.vim(1.59 KB)
?? htmldjango.vim(331 B)
?? indent.vim(454 B)
?? initex.vim(1005 B)
?? ishd.vim(1.23 KB)
?? j.vim(3.31 KB)
?? java.vim(1.65 KB)
?? javascript.vim(1.02 KB)
?? jproperties.vim(321 B)
?? json.vim(360 B)
?? jsp.vim(1.96 KB)
?? kconfig.vim(703 B)
?? kwt.vim(851 B)
?? ld.vim(470 B)
?? less.vim(502 B)
?? lftp.vim(434 B)
?? libao.vim(440 B)
?? limits.vim(436 B)
?? liquid.vim(1.85 KB)
?? lisp.vim(769 B)
?? logcheck.vim(500 B)
?? loginaccess.vim(442 B)
?? logindefs.vim(440 B)
?? logtalk.dict(1.75 KB)
?? logtalk.vim(401 B)
?? lprolog.vim(1.25 KB)
?? lua.vim(973 B)
?? m4.vim(426 B)
?? mail.vim(1.08 KB)
?? mailaliases.vim(383 B)
?? mailcap.vim(434 B)
?? make.vim(935 B)
?? man.vim(5.51 KB)
?? manconf.vim(444 B)
?? markdown.vim(1.15 KB)
?? matlab.vim(754 B)
?? mf.vim(3.17 KB)
?? modconf.vim(477 B)
?? mp.vim(3.63 KB)
?? mplayerconf.vim(472 B)
?? mrxvtrc.vim(798 B)
?? msmessages.vim(1.11 KB)
?? muttrc.vim(467 B)
?? nanorc.vim(447 B)
?? neomuttrc.vim(532 B)
?? netrc.vim(428 B)
?? nsis.vim(1.29 KB)
?? objc.vim(296 B)
?? ocaml.vim(22.5 KB)
?? occam.vim(1.27 KB)
?? pamconf.vim(433 B)
?? pascal.vim(667 B)
?? passwd.vim(424 B)
?? pdf.vim(2.55 KB)
?? perl.vim(2.78 KB)
?? perl6.vim(2.47 KB)
?? php.vim(2.75 KB)
?? pinfo.vim(435 B)
?? plaintex.vim(1.12 KB)
?? postscr.vim(1006 B)
?? procmail.vim(479 B)
?? prolog.vim(440 B)
?? protocols.vim(457 B)
?? pyrex.vim(766 B)
?? python.vim(5.43 KB)
?? qf.vim(459 B)
?? quake.vim(439 B)
?? r.vim(858 B)
?? racc.vim(449 B)
?? readline.vim(438 B)
?? registry.vim(740 B)
?? reva.vim(709 B)
?? rhelp.vim(738 B)
?? rmd.vim(1.45 KB)
?? rnc.vim(431 B)
?? rnoweb.vim(1.01 KB)
?? rpl.vim(620 B)
?? rrst.vim(1.08 KB)
?? rst.vim(456 B)
?? ruby.vim(16.61 KB)
?? rust.vim(6.42 KB)
?? sass.vim(607 B)
?? sbt.vim(347 B)
?? scala.vim(1.12 KB)
?? scheme.vim(1.36 KB)
?? screen.vim(436 B)
?? scss.vim(239 B)
?? sensors.vim(455 B)
?? services.vim(452 B)
?? setserial.vim(439 B)
?? sgml.vim(1.18 KB)
?? sh.vim(1.17 KB)
?? sieve.vim(469 B)
?? slpconf.vim(477 B)
?? slpreg.vim(476 B)
?? slpspi.vim(467 B)
?? spec.vim(5.73 KB)
?? sql.vim(21.11 KB)
?? sshconfig.vim(441 B)
?? sudoers.vim(438 B)
?? svg.vim(1.17 KB)
?? sysctl.vim(453 B)
?? systemd.vim(158 B)
?? systemverilog.vim(239 B)
?? tcl.vim(1002 B)
?? tcsh.vim(1.18 KB)
?? terminfo.vim(430 B)
?? tex.vim(1.6 KB)
?? text.vim(433 B)
?? tmux.vim(292 B)
?? treetop.vim(416 B)
?? tt2html.vim(434 B)
?? udevconf.vim(434 B)
?? udevperm.vim(432 B)
?? udevrules.vim(426 B)
?? updatedb.vim(443 B)
?? vb.vim(1.86 KB)
?? verilog.vim(1.93 KB)
?? vhdl.vim(3.42 KB)
?? vim.vim(3.14 KB)
?? vroom.vim(924 B)
?? xdefaults.vim(481 B)
?? xf86conf.vim(434 B)
?? xhtml.vim(1.99 KB)
?? xinetd.vim(476 B)
?? xml.vim(1.87 KB)
?? xmodmap.vim(434 B)
?? xs.vim(465 B)
?? xsd.vim(1.14 KB)
?? xslt.vim(539 B)
?? yaml.vim(464 B)
?? zimbu.vim(5.26 KB)
?? zsh.vim(818 B)

Editing: ruby.vim

" Vim filetype plugin
" Language:		Ruby
" Maintainer:		Tim Pope <vimNOSPAM@tpope.org>
" URL:			https://github.com/vim-ruby/vim-ruby
" Release Coordinator:  Doug Kearns <dougkearns@gmail.com>
" ----------------------------------------------------------------------------

if (exists("b:did_ftplugin"))
  finish
endif
let b:did_ftplugin = 1

let s:cpo_save = &cpo
set cpo&vim

if has("gui_running") && !has("gui_win32")
  setlocal keywordprg=ri\ -T\ -f\ bs
else
  setlocal keywordprg=ri
endif

" Matchit support
if exists("loaded_matchit") && !exists("b:match_words")
  let b:match_ignorecase = 0

let b:match_words =
	\ '\<\%(if\|unless\|case\|while\|until\|for\|do\|class\|module\|def\|begin\)\>=\@!' .
	\ ':' .
	\ '\<\%(else\|elsif\|ensure\|when\|rescue\|break\|redo\|next\|retry\)\>' .
	\ ':' .
        \ '\%(^\|[^.\:@$]\)\@<=\<end\:\@!\>' .
	\ ',{:},\[:\],(:)'

setlocal formatoptions-=t formatoptions+=croql

setlocal include=^\\s*\\<\$load\\>\\\|require\\>\\\|autoload\\s*:\\=[\"']\\=\\h\\w*[\"']\\=,\$
setlocal includeexpr=substitute(substitute(v:fname,'::','/','g'),'\%(\.rb\)\=$','.rb','')
setlocal suffixesadd=.rb

if exists("&ofu") && has("ruby")
  setlocal omnifunc=rubycomplete#Complete
endif

" To activate, :set ballooneval
if has('balloon_eval') && exists('+balloonexpr')
  setlocal balloonexpr=RubyBalloonexpr()
endif

" TODO:
"setlocal define=^\\s*def

setlocal comments=:#
setlocal commentstring=#\ %s

if !exists('g:ruby_version_paths')
  let g:ruby_version_paths = {}
endif

function! s:query_path(root) abort
  let code = "print $:.join %q{,}"
  if &shell =~# 'sh'
    let prefix = 'env PATH='.shellescape($PATH).' '
  else
    let prefix = ''
  endif
  if &shellxquote == "'"
    let path_check = prefix.'ruby --disable-gems -e "' . code . '"'
  else
    let path_check = prefix."ruby --disable-gems -e '" . code . "'"
  endif

let cd = haslocaldir() ? 'lcd' : 'cd'
  let cwd = fnameescape(getcwd())
  try
    exe cd fnameescape(a:root)
    let path = split(system(path_check),',')
    exe cd cwd
    return path
  finally
    exe cd cwd
  endtry
endfunction

function! s:build_path(path) abort
  let path = join(map(copy(a:path), 'v:val ==# "." ? "" : v:val'), ',')
  if &g:path !~# '\v^\.%(,/%(usr|emx)/include)=,,$'
    let path = substitute(&g:path,',,$',',','') . ',' . path
  endif
  return path
endfunction

if !exists('b:ruby_version') && !exists('g:ruby_path') && isdirectory(expand('%:p:h'))
  let s:version_file = findfile('.ruby-version', '.;')
  if !empty(s:version_file) && filereadable(s:version_file)
    let b:ruby_version = get(readfile(s:version_file, '', 1), '')
    if !has_key(g:ruby_version_paths, b:ruby_version)
      let g:ruby_version_paths[b:ruby_version] = s:query_path(fnamemodify(s:version_file, ':p:h'))
    endif
  endif
endif

if exists("g:ruby_path")
  let s:ruby_path = type(g:ruby_path) == type([]) ? join(g:ruby_path, ',') : g:ruby_path
elseif has_key(g:ruby_version_paths, get(b:, 'ruby_version', ''))
  let s:ruby_paths = g:ruby_version_paths[b:ruby_version]
  let s:ruby_path = s:build_path(s:ruby_paths)
else
  if !exists('g:ruby_default_path')
    if has("ruby") && has("win32")
      ruby ::VIM::command( 'let g:ruby_default_path = split("%s",",")' % $:.join(%q{,}) )
    elseif executable('ruby')
      let g:ruby_default_path = s:query_path($HOME)
    else
      let g:ruby_default_path = map(split($RUBYLIB,':'), 'v:val ==# "." ? "" : v:val')
    endif
  endif
  let s:ruby_paths = g:ruby_default_path
  let s:ruby_path = s:build_path(s:ruby_paths)
endif

if stridx(&l:path, s:ruby_path) == -1
  let &l:path = s:ruby_path
endif
if exists('s:ruby_paths') && stridx(&l:tags, join(map(copy(s:ruby_paths),'v:val."/tags"'),',')) == -1
  let &l:tags = &tags . ',' . join(map(copy(s:ruby_paths),'v:val."/tags"'),',')
endif

if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
  let b:browsefilter = "Ruby Source Files (*.rb)\t*.rb\n" .
                     \ "All Files (*.*)\t*.*\n"
endif

function! s:map(mode, flags, map) abort
  let from = matchstr(a:map, '\S\+')
  if empty(mapcheck(from, a:mode))
    exe a:mode.'map' '<buffer>'.(a:0 ? a:1 : '') a:map
    let b:undo_ftplugin .= '|sil! '.a:mode.'unmap <buffer> '.from
  endif
endfunction

cmap <buffer><script><expr> <Plug><cword> substitute(RubyCursorIdentifier(),'^$',"\022\027",'')
cmap <buffer><script><expr> <Plug><cfile> substitute(RubyCursorFile(),'^$',"\022\006",'')
let b:undo_ftplugin .= "| sil! cunmap <buffer> <Plug><cword>| sil! cunmap <buffer> <Plug><cfile>"

if !exists("g:no_plugin_maps") && !exists("g:no_ruby_maps")
  nmap <buffer><script> <SID>:  :<C-U>
  nmap <buffer><script> <SID>c: :<C-U><C-R>=v:count ? v:count : ''<CR>

nnoremap <silent> <buffer> [m :<C-U>call <SID>searchsyn('\<def\>','rubyDefine','b','n')<CR>
  nnoremap <silent> <buffer> ]m :<C-U>call <SID>searchsyn('\<def\>','rubyDefine','','n')<CR>
  nnoremap <silent> <buffer> [M :<C-U>call <SID>searchsyn('\<end\>','rubyDefine','b','n')<CR>
  nnoremap <silent> <buffer> ]M :<C-U>call <SID>searchsyn('\<end\>','rubyDefine','','n')<CR>
  xnoremap <silent> <buffer> [m :<C-U>call <SID>searchsyn('\<def\>','rubyDefine','b','v')<CR>
  xnoremap <silent> <buffer> ]m :<C-U>call <SID>searchsyn('\<def\>','rubyDefine','','v')<CR>
  xnoremap <silent> <buffer> [M :<C-U>call <SID>searchsyn('\<end\>','rubyDefine','b','v')<CR>
  xnoremap <silent> <buffer> ]M :<C-U>call <SID>searchsyn('\<end\>','rubyDefine','','v')<CR>

nnoremap <silent> <buffer> [[ :<C-U>call <SID>searchsyn('\<\%(class\<Bar>module\)\>','rubyModule\<Bar>rubyClass','b','n')<CR>
  nnoremap <silent> <buffer> ]] :<C-U>call <SID>searchsyn('\<\%(class\<Bar>module\)\>','rubyModule\<Bar>rubyClass','','n')<CR>
  nnoremap <silent> <buffer> [] :<C-U>call <SID>searchsyn('\<end\>','rubyModule\<Bar>rubyClass','b','n')<CR>
  nnoremap <silent> <buffer> ][ :<C-U>call <SID>searchsyn('\<end\>','rubyModule\<Bar>rubyClass','','n')<CR>
  xnoremap <silent> <buffer> [[ :<C-U>call <SID>searchsyn('\<\%(class\<Bar>module\)\>','rubyModule\<Bar>rubyClass','b','v')<CR>
  xnoremap <silent> <buffer> ]] :<C-U>call <SID>searchsyn('\<\%(class\<Bar>module\)\>','rubyModule\<Bar>rubyClass','','v')<CR>
  xnoremap <silent> <buffer> [] :<C-U>call <SID>searchsyn('\<end\>','rubyModule\<Bar>rubyClass','b','v')<CR>
  xnoremap <silent> <buffer> ][ :<C-U>call <SID>searchsyn('\<end\>','rubyModule\<Bar>rubyClass','','v')<CR>

if maparg('im','x') == '' && maparg('im','o') == '' && maparg('am','x') == '' && maparg('am','o') == ''
    onoremap <silent> <buffer> im :<C-U>call <SID>wrap_i('[m',']M')<CR>
    onoremap <silent> <buffer> am :<C-U>call <SID>wrap_a('[m',']M')<CR>
    xnoremap <silent> <buffer> im :<C-U>call <SID>wrap_i('[m',']M')<CR>
    xnoremap <silent> <buffer> am :<C-U>call <SID>wrap_a('[m',']M')<CR>
    let b:undo_ftplugin = b:undo_ftplugin
          \."| sil! exe 'ounmap <buffer> im' | sil! exe 'ounmap <buffer> am'"
          \."| sil! exe 'xunmap <buffer> im' | sil! exe 'xunmap <buffer> am'"
  endif

if maparg('iM','x') == '' && maparg('iM','o') == '' && maparg('aM','x') == '' && maparg('aM','o') == ''
    onoremap <silent> <buffer> iM :<C-U>call <SID>wrap_i('[[','][')<CR>
    onoremap <silent> <buffer> aM :<C-U>call <SID>wrap_a('[[','][')<CR>
    xnoremap <silent> <buffer> iM :<C-U>call <SID>wrap_i('[[','][')<CR>
    xnoremap <silent> <buffer> aM :<C-U>call <SID>wrap_a('[[','][')<CR>
    let b:undo_ftplugin = b:undo_ftplugin
          \."| sil! exe 'ounmap <buffer> iM' | sil! exe 'ounmap <buffer> aM'"
          \."| sil! exe 'xunmap <buffer> iM' | sil! exe 'xunmap <buffer> aM'"
  endif

call s:map('c', '', '<C-R><C-W> <Plug><cword>')
  call s:map('c', '', '<C-R><C-F> <Plug><cfile>')

cmap <buffer><script><expr> <SID>tagzv &foldopen =~# 'tag' ? '<Bar>norm! zv' : ''
  call s:map('n', '<silent>', '<C-]>       <SID>:exe  v:count1."tag <Plug><cword>"<SID>tagzv<CR>')
  call s:map('n', '<silent>', 'g<C-]>      <SID>:exe         "tjump <Plug><cword>"<SID>tagzv<CR>')
  call s:map('n', '<silent>', 'g]          <SID>:exe       "tselect <Plug><cword>"<SID>tagzv<CR>')
  call s:map('n', '<silent>', '<C-W>]      <SID>:exe v:count1."stag <Plug><cword>"<SID>tagzv<CR>')
  call s:map('n', '<silent>', '<C-W><C-]>  <SID>:exe v:count1."stag <Plug><cword>"<SID>tagzv<CR>')
  call s:map('n', '<silent>', '<C-W>g<C-]> <SID>:exe        "stjump <Plug><cword>"<SID>tagzv<CR>')
  call s:map('n', '<silent>', '<C-W>g]     <SID>:exe      "stselect <Plug><cword>"<SID>tagzv<CR>')
  call s:map('n', '<silent>', '<C-W>}      <SID>:exe v:count1."ptag <Plug><cword>"<CR>')
  call s:map('n', '<silent>', '<C-W>g}     <SID>:exe        "ptjump <Plug><cword>"<CR>')

call s:map('n', '<silent>', 'gf           <SID>c:find <Plug><cfile><CR>')
  call s:map('n', '<silent>', '<C-W>f      <SID>c:sfind <Plug><cfile><CR>')
  call s:map('n', '<silent>', '<C-W><C-F>  <SID>c:sfind <Plug><cfile><CR>')
  call s:map('n', '<silent>', '<C-W>gf   <SID>c:tabfind <Plug><cfile><CR>')
endif

let &cpo = s:cpo_save
unlet s:cpo_save

if exists("g:did_ruby_ftplugin_functions")
  finish
endif
let g:did_ruby_ftplugin_functions = 1

function! RubyBalloonexpr() abort
  if !exists('s:ri_found')
    let s:ri_found = executable('ri')
  endif
  if s:ri_found
    let line = getline(v:beval_lnum)
    let b = matchstr(strpart(line,0,v:beval_col),'\%(\w\|[:.]\)*$')
    let a = substitute(matchstr(strpart(line,v:beval_col),'^\w*\%([?!]\|\s*=\)\?'),'\s\+','','g')
    let str = b.a
    let before = strpart(line,0,v:beval_col-strlen(b))
    let after  = strpart(line,v:beval_col+strlen(a))
    if str =~ '^\.'
      let str = substitute(str,'^\.','#','g')
      if before =~ '\]\s*$'
        let str = 'Array'.str
      elseif before =~ '}\s*$'
        " False positives from blocks here
        let str = 'Hash'.str
      elseif before =~ "[\"'`]\\s*$" || before =~ '\$\d\+\s*$'
        let str = 'String'.str
      elseif before =~ '\$\d\+\.\d\+\s*$'
        let str = 'Float'.str
      elseif before =~ '\$\d\+\s*$'
        let str = 'Integer'.str
      elseif before =~ '/\s*$'
        let str = 'Regexp'.str
      else
        let str = substitute(str,'^#','.','')
      endif
    endif
    let str = substitute(str,'.*\.\s*to_f\s*\.\s*','Float#','')
    let str = substitute(str,'.*\.\s*to_i\%(nt\)\=\s*\.\s*','Integer#','')
    let str = substitute(str,'.*\.\s*to_s\%(tr\)\=\s*\.\s*','String#','')
    let str = substitute(str,'.*\.\s*to_sym\s*\.\s*','Symbol#','')
    let str = substitute(str,'.*\.\s*to_a\%(ry\)\=\s*\.\s*','Array#','')
    let str = substitute(str,'.*\.\s*to_proc\s*\.\s*','Proc#','')
    if str !~ '^\w'
      return ''
    endif
    silent! let res = substitute(system("ri -f rdoc -T \"".str.'"'),'\n$','','')
    if res =~ '^Nothing known about' || res =~ '^Bad argument:' || res =~ '^More than one method'
      return ''
    endif
    return res
  else
    return ""
  endif
endfunction

function! s:searchsyn(pattern, syn, flags, mode) abort
  let cnt = v:count1
  norm! m'
  if a:mode ==# 'v'
    norm! gv
  endif
  let i = 0
  while i < cnt
    let i = i + 1
    let line = line('.')
    let col  = col('.')
    let pos = search(a:pattern,'W'.a:flags)
    while pos != 0 && s:synname() !~# a:syn
      let pos = search(a:pattern,'W'.a:flags)
    endwhile
    if pos == 0
      call cursor(line,col)
      return
    endif
  endwhile
endfunction

function! s:synname() abort
  return synIDattr(synID(line('.'),col('.'),0),'name')
endfunction

function! s:wrap_i(back,forward) abort
  execute 'norm k'.a:forward
  let line = line('.')
  execute 'norm '.a:back
  if line('.') == line - 1
    return s:wrap_a(a:back,a:forward)
  endif
  execute 'norm jV'.a:forward.'k'
endfunction

function! s:wrap_a(back,forward) abort
  execute 'norm '.a:forward
  if line('.') < line('$') && getline(line('.')+1) ==# ''
    let after = 1
  endif
  execute 'norm '.a:back
  while getline(line('.')-1) =~# '^\s*#' && line('.')
    -
  endwhile
  if exists('after')
    execute 'norm V'.a:forward.'j'
  elseif line('.') > 1 && getline(line('.')-1) =~# '^\s*$'
    execute 'norm kV'.a:forward
  else
    execute 'norm V'.a:forward
  endif
endfunction

function! RubyCursorIdentifier() abort
  let asciicode    = '\%(\w\|[]})\"'."'".']\)\@<!\%(?\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\=\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)\)'
  let number       = '\%(\%(\w\|[]})\"'."'".']\s*\)\@<!-\)\=\%(\<[[:digit:]_]\+\%(\.[[:digit:]_]\+\)\=\%([Ee][[:digit:]_]\+\)\=\>\|\<0[xXbBoOdD][[:xdigit:]_]\+\>\)\|'.asciicode
  let operator     = '\%(\[\]\|<<\|<=>\|[!<>]=\=\|===\=\|[!=]\~\|>>\|\*\*\|\.\.\.\=\|=>\|[~^&|*/%+-]\)'
  let method       = '\%(\.[_a-zA-Z]\w*\s*=>\@!\|\<[_a-zA-Z]\w*\>[?!]\=\)'
  let global       = '$\%([!$&"'."'".'*+,./:;<=>?@\`~]\|-\=\w\+\>\)'
  let symbolizable = '\%(\%(@@\=\)\w\+\>\|'.global.'\|'.method.'\|'.operator.'\)'
  let pattern      = '\C\s*\%('.number.'\|\%(:\@<!:\)\='.symbolizable.'\)'
  let [lnum, col]  = searchpos(pattern,'bcn',line('.'))
  let raw          = matchstr(getline('.')[col-1 : ],pattern)
  let stripped     = substitute(substitute(raw,'\s\+=$','=',''),'^\s*[:.]\=','','')
  return stripped == '' ? expand("<cword>") : stripped
endfunction

function! RubyCursorFile() abort
  let isfname = &isfname
  try
    set isfname+=:
    let cfile = expand('<cfile>')
  finally
    let isfname = &isfname
  endtry
  let pre = matchstr(strpart(getline('.'), 0, col('.')-1), '.*\f\@<!')
  let post = matchstr(strpart(getline('.'), col('.')), '\f\@!.*')
  let ext = getline('.') =~# '^\s*\%(require\%(_relative\)\=\|autoload\)\>' && cfile !~# '\.rb$' ? '.rb' : ''
  if s:synname() ==# 'rubyConstant'
    let cfile = substitute(cfile,'\.\w\+[?!=]\=$','','')
    let cfile = substitute(cfile,'::','/','g')
    let cfile = substitute(cfile,'$\u\+$$\u\l$','\1_\2', 'g')
    let cfile = substitute(cfile,'$\l\|\d$$\u$','\1_\2', 'g')
    return tolower(cfile) . '.rb'
  elseif getline('.') =~# '^\s*require_relative\s*$["'']$.*\1\s*$'
    let cfile = expand('%:p:h') . '/' . matchstr(getline('.'),'$["'']$\zs.\{-\}\ze\1') . ext
  elseif getline('.') =~# '^\s*\%(require[( ]\|load[( ]\|autoload[( ]:\w\+,\)\s*\%(::\)\=File\.expand_path($["'']$\.\./.*\1,\s*__FILE__)\s*$'
    let target = matchstr(getline('.'),'$["'']$\.\.\zs/.\{-\}\ze\1')
    let cfile = expand('%:p:h') . target . ext
  elseif getline('.') =~# '^\s*\%(require \|load \|autoload :\w\+,\)\s*$["'']$.*\1\s*$'
    let cfile = matchstr(getline('.'),'$["'']$\zs.\{-\}\ze\1') . ext
  elseif pre.post =~# '\<File.expand_path[( ].*[''"]\{2\}, *__FILE__\>' && cfile =~# '^\.\.'
    let cfile = expand('%:p:h') . strpart(cfile, 2)
  else
    return substitute(cfile, '\C\v^(.*):(\d+)%(:in)=$', '+\2 \1', '')
  endif
  let cwdpat = '^\M' . substitute(getcwd(), '[\/]', '\\[\\/]', 'g').'\ze\[\/]'
  let cfile = substitute(cfile, cwdpat, '.', '')
  if fnameescape(cfile) !=# cfile
    return '+ '.fnameescape(cfile)
  else
    return cfile
  endif
endfunction

"
" Instructions for enabling "matchit" support:
"
" 1. Look for the latest "matchit" plugin at
"
"         http://www.vim.org/scripts/script.php?script_id=39
"
"    It is also packaged with Vim, in the $VIMRUNTIME/macros directory.
"
" 2. Copy "matchit.txt" into a "doc" directory (e.g. $HOME/.vim/doc).
"
" 3. Copy "matchit.vim" into a "plugin" directory (e.g. $HOME/.vim/plugin).
"
" 4. Ensure this file (ftplugin/ruby.vim) is installed.
"
" 5. Ensure you have this line in your $HOME/.vimrc:
"         filetype plugin on
"
" 6. Restart Vim and create the matchit documentation:
"
"         :helptags ~/.vim/doc
"
"    Now you can do ":help matchit", and you should be able to use "%" on Ruby
"    keywords.  Try ":echo b:match_words" to be sure.
"
" Thanks to Mark J. Reed for the instructions.  See ":help vimrc" for the
" locations of plugin directories, etc., as there are several options, and it
" differs on Windows.  Email gsinclair@soyabean.com.au if you need help.
"

" vim: nowrap sw=2 sts=2 ts=8:

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