2 files changed, 60 insertions, 0 deletions
diff --git a/runtime/autoload/provider/pythonx.vim b/runtime/autoload/provider/pythonx.vim
index 022ef19914..05815a4896 100644
--- a/runtime/autoload/provider/pythonx.vim
+++ b/runtime/autoload/provider/pythonx.vim
@@ -5,6 +5,32 @@ endif
 
 let s:loaded_pythonx_provider = 1
 
+function! provider#pythonx#Require(host) abort
+  let ver = (a:host.orig_name ==# 'python') ? 2 : 3
+
+  " Python host arguments
+  let args = ['-c', 'import sys; sys.path.remove(""); import neovim; neovim.start_host()']
+
+  " Collect registered Python plugins into args
+  let python_plugins = remote#host#PluginsForHost(a:host.name)
+  for plugin in python_plugins
+    call add(args, plugin.path)
+  endfor
+
+  try
+    let channel_id = rpcstart((ver == '2' ?
+          \ provider#python#Prog() : provider#python3#Prog()), args)
+    if rpcrequest(channel_id, 'poll') == 'ok'
+      return channel_id
+    endif
+  catch
+    echomsg v:throwpoint
+    echomsg v:exception
+  endtry
+  throw remote#host#LoadErrorForHost(a:host.orig_name,
+        \ '$NVIM_PYTHON_LOG_FILE')
+endfunction
+
 function! provider#pythonx#Detect(major_ver) abort
   let host_var = (a:major_ver == 2) ?
         \ 'g:python_host_prog' : 'g:python3_host_prog'
diff --git a/runtime/autoload/provider/ruby.vim b/runtime/autoload/provider/ruby.vim
new file mode 100644
index 0000000000..aad8c09d28
--- /dev/null
+++ b/runtime/autoload/provider/ruby.vim
@@ -0,0 +1,34 @@
+" The Ruby provider helper
+if exists('s:loaded_ruby_provider')
+  finish
+endif
+
+let s:loaded_ruby_provider = 1
+
+function! provider#ruby#Require(host) abort
+  " Collect registered Ruby plugins into args
+  let args = []
+  let ruby_plugins = remote#host#PluginsForHost(a:host.name)
+
+  for plugin in ruby_plugins
+    call add(args, plugin.path)
+  endfor
+
+  try
+    let channel_id = rpcstart(provider#ruby#Prog(), args)
+
+    if rpcrequest(channel_id, 'poll') == 'ok'
+      return channel_id
+    endif
+  catch
+    echomsg v:throwpoint
+    echomsg v:exception
+  endtry
+
+  throw remote#host#LoadErrorForHost(a:host.orig_name,
+        \ '$NVIM_RUBY_LOG_FILE')
+endfunction
+
+function! provider#ruby#Prog() abort
+  return 'neovim-ruby-host'
+endfunction