neovim/runtime/autoload/provider/ruby.vim
Alex Genco f400c6f05f runtime: Allow overriding ruby host with g:ruby_host_prog
This allows users who have per-project Ruby versions (e.g. with `rvm`)
to pin to a particular gem installation.

For example: `let g:ruby_host_prog = 'rvm system do neovim-ruby-host'`
2017-06-17 08:20:00 -07:00

83 lines
1.9 KiB
VimL

" The Ruby provider helper
if exists('g:loaded_ruby_provider')
finish
endif
let g:loaded_ruby_provider = 1
let s:stderr = {}
let s:job_opts = {'rpc': v:true}
function! s:job_opts.on_stderr(chan_id, data, event)
let stderr = get(s:stderr, a:chan_id, [''])
let last = remove(stderr, -1)
let a:data[0] = last.a:data[0]
call extend(stderr, a:data)
let s:stderr[a:chan_id] = stderr
endfunction
function! provider#ruby#Detect() abort
if exists("g:ruby_host_prog")
return g:ruby_host_prog
else
return exepath('neovim-ruby-host')
end
endfunction
function! provider#ruby#Prog()
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
try
let channel_id = jobstart(prog, s:job_opts)
if rpcrequest(channel_id, 'poll') ==# 'ok'
return channel_id
endif
catch
echomsg v:throwpoint
echomsg v:exception
for row in get(s:stderr, channel_id, [])
echomsg row
endfor
endtry
throw remote#host#LoadErrorForHost(a:host.orig_name, '$NVIM_RUBY_LOG_FILE')
endfunction
function! provider#ruby#Call(method, args)
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
let s:err = ''
let s:prog = provider#ruby#Detect()
let s:plugin_path = expand('<sfile>:p:h') . '/script_host.rb'
if empty(s:prog)
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, [])