Updated plugins

sources_non_forked/vim-go/autoload/go/complete.vim

@@ -219,12 +219,22 @@ function! s:trim_bracket(val) abort
   return a:val
 endfunction
 
-let s:completions = ""
-function! go#complete#Complete(findstart, base) abort
+let s:completions = []
+
+function! go#complete#GocodeComplete(findstart, base) abort
   "findstart = 1 when we need to get the text length
   if a:findstart == 1
-    execute "silent let s:completions = " . s:gocodeAutocomplete()
-    return col('.') - s:completions[0] - 1
+    let l:completions = []
+    execute "silent let l:completions = " . s:gocodeAutocomplete()
+
+    if len(l:completions) == 0 || len(l:completions) >= 2 && len(l:completions[1]) == 0
+      " no matches. cancel and leave completion mode.
+      call go#util#EchoInfo("no matches")
+      return -3
+    endif
+
+    let s:completions = l:completions[1]
+    return col('.') - l:completions[0] - 1
     "findstart = 0 when we need to return the list of completions
   else
     let s = getline(".")[col('.') - 1]
@@ -236,6 +246,36 @@ function! go#complete#Complete(findstart, base) abort
   endif
 endfunction
 
+function! go#complete#Complete(findstart, base) abort
+  let l:state = {'done': 0, 'matches': []}
+
+  function! s:handler(state, matches) abort dict
+    let a:state.matches = a:matches
+    let a:state.done = 1
+  endfunction
+
+  "findstart = 1 when we need to get the start of the match
+  if a:findstart == 1
+    call go#lsp#Completion(expand('%:p'), line('.'), col('.'), funcref('s:handler', [l:state]))
+
+    while !l:state.done
+      sleep 10m
+    endwhile
+
+    let s:completions = l:state.matches
+
+    if len(l:state.matches) == 0
+      " no matches. cancel and leave completion mode.
+      call go#util#EchoInfo("no matches")
+      return -3
+    endif
+
+    return col('.')
+  else "findstart = 0 when we need to return the list of completions
+    return s:completions
+  endif
+endfunction
+
 function! go#complete#ToggleAutoTypeInfo() abort
   if go#config#AutoTypeInfo()
     call go#config#SetAutoTypeInfo(0)