Add support for Coc.nvim.

sources_non_forked/coc.nvim/autoload/coc/rpc.vim

@@ -0,0 +1,129 @@
+scriptencoding utf-8
+let s:is_win = has("win32") || has("win64")
+let s:client = v:null
+let s:name = 'coc'
+let s:is_vim = !has('nvim')
+
+function! coc#rpc#start_server()
+  if get(g:, 'coc_node_env', '') ==# 'test'
+    " server already started
+    let s:client = coc#client#create(s:name, [])
+    let chan_id = get(g:, 'coc_node_channel_id', 0)
+    let s:client['running'] = chan_id != 0
+    let s:client['chan_id'] = chan_id
+    return
+  endif
+  if empty(s:client)
+    let cmd = coc#util#job_command()
+    if empty(cmd) | return | endif
+    let $COC_VIMCONFIG = coc#util#get_config_home()
+    let $COC_DATA_HOME = coc#util#get_data_home()
+    let s:client = coc#client#create(s:name, cmd)
+  endif
+  if !coc#client#is_running('coc')
+    call s:client['start']()
+  endif
+endfunction
+
+function! coc#rpc#started() abort
+  return !empty(s:client)
+endfunction
+
+function! coc#rpc#ready()
+  if empty(s:client) || s:client['running'] == 0
+    return 0
+  endif
+  return 1
+endfunction
+
+function! coc#rpc#set_channel(chan_id) abort
+  let g:coc_node_channel_id = a:chan_id
+  if a:chan_id != 0
+    let s:client['running'] = 1
+    let s:client['chan_id'] = a:chan_id
+  endif
+endfunction
+
+function! coc#rpc#kill()
+  let pid = get(g:, 'coc_process_pid', 0)
+  if !pid | return | endif
+  if s:is_win
+    call system('taskkill /PID '.pid)
+  else
+    call system('kill -9 '.pid)
+  endif
+endfunction
+
+function! coc#rpc#get_errors()
+  return split(execute('messages'), "\n")
+endfunction
+
+function! coc#rpc#stop()
+  if empty(s:client)
+    return
+  endif
+  try
+    if s:is_vim
+      call job_stop(ch_getjob(s:client['channel']), 'term')
+    else
+      call jobstop(s:client['chan_id'])
+    endif
+  catch /.*/
+    " ignore
+  endtry
+endfunction
+
+function! coc#rpc#restart()
+  if empty(s:client)
+    call coc#rpc#start_server()
+  else
+    call coc#highlight#clear_all()
+    call coc#float#close_all()
+    call coc#rpc#request('detach', [])
+    sleep 100m
+    let s:client['command'] = coc#util#job_command()
+    call coc#client#restart(s:name)
+    echohl MoreMsg | echom 'starting coc.nvim service' | echohl None
+  endif
+endfunction
+
+function! coc#rpc#request(method, args) abort
+  if !coc#rpc#ready()
+    return ''
+  endif
+  return s:client['request'](a:method, a:args)
+endfunction
+
+function! coc#rpc#notify(method, args) abort
+  if !coc#rpc#ready()
+    return ''
+  endif
+  call s:client['notify'](a:method, a:args)
+  return ''
+endfunction
+
+function! coc#rpc#request_async(method, args, cb) abort
+  if !coc#rpc#ready()
+    return cb('coc.nvim service not started.')
+  endif
+  call s:client['request_async'](a:method, a:args, a:cb)
+endfunction
+
+" receive async response
+function! coc#rpc#async_response(id, resp, isErr) abort
+  if empty(s:client)
+    return
+  endif
+  call coc#client#on_response(s:name, a:id, a:resp, a:isErr)
+endfunction
+
+" send async response to server
+function! coc#rpc#async_request(id, method, args)
+  let l:Cb = {err, ... -> coc#rpc#notify('nvim_async_response_event', [a:id, err, get(a:000, 0, v:null)])}
+  let args = a:args + [l:Cb]
+  try
+    call call(a:method, args)
+  catch /.*/
+    call coc#rpc#notify('nvim_async_response_event', [a:id, v:exception, v:null])
+  endtry
+endfunction