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" The Ruby provider helper
if exists('g:loaded_ruby_provider')
finish
endif
let g:loaded_ruby_provider = 1
function! provider#ruby#Detect() abort
let e = empty(s:prog) ? 'missing ruby or ruby-host' : ''
return [s:prog, e]
endfunction
function! provider#ruby#Prog() abort
return s:prog
endfunction
function! provider#ruby#Require(host) abort
let prog = provider#ruby#Prog()
let ruby_plugins = remote#host#PluginsForHost(a:host.name)
for plugin in ruby_plugins
let prog .= " " . shellescape(plugin.path)
endfor
return provider#Poll(prog, a:host.orig_name, '$NVIM_RUBY_LOG_FILE')
endfunction
function! provider#ruby#Call(method, args) abort
if s:err != ''
echoerr s:err
return
endif
if !exists('s:host')
try
let s:host = remote#host#Require('legacy-ruby-provider')
catch
let s:err = v:exception
echohl WarningMsg
echomsg v:exception
echohl None
return
endtry
endif
return call('rpcrequest', insert(insert(a:args, 'ruby_'.a:method), s:host))
endfunction
function! s:detect()
if exists("g:ruby_host_prog")
return expand(g:ruby_host_prog, v:true)
elseif has('win32')
return exepath('neovim-ruby-host.bat')
else
let p = exepath('neovim-ruby-host')
if empty(p)
return ''
endif
" neovim-ruby-host could be an rbenv shim for another Ruby version.
call system(p)
return v:shell_error ? '' : p
end
endfunction
let s:err = ''
let s:prog = s:detect()
let s:plugin_path = expand('<sfile>:p:h') . '/script_host.rb'
let g:loaded_ruby_provider = empty(s:prog) ? 1 : 2
if g:loaded_ruby_provider != 2
let s:err = 'Cannot find the neovim RubyGem. Try :checkhealth'
endif
call remote#host#RegisterClone('legacy-ruby-provider', 'ruby')
call remote#host#RegisterPlugin('legacy-ruby-provider', s:plugin_path, [])
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