Update

autoload/dart.vim

@@ -9,22 +9,35 @@ function! s:error(text) abort
   echohl None
 endfunction
 
-function! s:cexpr(errorformat, joined_lines) abort
-  let temp_errorfomat = &errorformat
-  try
-    let &errorformat = a:errorformat
-    cexpr a:joined_lines
-    copen
-  finally
-    let &errorformat = temp_errorfomat
-  endtry
+function! s:cexpr(errorformat, lines, reason) abort
+  call setqflist([], ' ', {
+      \ 'lines': a:lines,
+      \ 'efm': a:errorformat,
+      \ 'context': {'reason': a:reason},
+      \})
+  copen
+endfunction
+
+" If the quickfix list has a context matching [reason], clear and close it.
+function! s:clearQfList(reason) abort
+  let context = get(getqflist({'context': 1}), 'context', {})
+  if type(context) == v:t_dict &&
+      \ has_key(context, 'reason') &&
+      \ context.reason == a:reason
+    call setqflist([], 'r')
+    cclose
+  endif
 endfunction
 
 function! dart#fmt(q_args) abort
   if executable('dartfmt')
     let buffer_content = join(getline(1, '$'), "\n")
-    let joined_lines = system(printf('dartfmt %s', a:q_args), buffer_content)
-    if buffer_content ==# joined_lines[:-2] | return | endif
+    let args = '--stdin-name '.expand('%').' '.a:q_args
+    let joined_lines = system(printf('dartfmt %s', args), buffer_content)
+    if buffer_content ==# joined_lines[:-2]
+      call s:clearQfList('dartfmt')
+      return
+    endif
     if 0 == v:shell_error
       let win_view = winsaveview()
       let lines = split(joined_lines, "\n")
@@ -33,12 +46,11 @@ function! dart#fmt(q_args) abort
         silent keepjumps execute string(len(lines)+1).',$ delete'
       endif
       call winrestview(win_view)
+      call s:clearQfList('dartfmt')
     else
       let errors = split(joined_lines, "\n")[2:]
-      let file_path = expand('%')
-      call map(errors, 'file_path.":".v:val')
-      let error_format = '%A%f:line %l\, column %c of stdin: %m,%C%.%#'
-      call s:cexpr(error_format, join(errors, "\n"))
+      let error_format = '%Aline %l\, column %c of %f: %m,%C%.%#'
+      call s:cexpr(error_format, errors, 'dartfmt')
     endif
   else
     call s:error('cannot execute binary file: dartfmt')
@@ -49,8 +61,9 @@ function! dart#analyzer(q_args) abort
   if executable('dartanalyzer')
     let path = expand('%:p:gs:\:/:')
     if filereadable(path)
-      let joined_lines = system(printf('dartanalyzer %s %s', a:q_args, shellescape(path)))
-      call s:cexpr('%m (%f\, line %l\, col %c)', joined_lines)
+      let command = printf('dartanalyzer %s %s', a:q_args, shellescape(path))
+      let lines = systemlist(command)
+      call s:cexpr('%m (%f\, line %l\, col %c)', lines, 'dartanalyzer')
     else
       call s:error(printf('cannot read a file: "%s"', path))
     endif
@@ -63,8 +76,9 @@ function! dart#tojs(q_args) abort
   if executable('dart2js')
     let path = expand('%:p:gs:\:/:')
     if filereadable(path)
-      let joined_lines = system(printf('dart2js %s %s', a:q_args, shellescape(path)))
-      call s:cexpr('%m (%f\, line %l\, col %c)', joined_lines)
+      let command = printf('dart2js %s %s', a:q_args, shellescape(path))
+      let lines = systemlist(command)
+      call s:cexpr('%m (%f\, line %l\, col %c)', lines, 'dart2js')
     else
       call s:error(printf('cannot read a file: "%s"', path))
     endif

autoload/go/config.vim

@@ -470,6 +470,10 @@ function! go#config#EchoGoInfo() abort
   return get(g:, "go_echo_go_info", 1)
 endfunction
 
+function! go#config#CodeCompletionEnabled() abort
+  return get(g:, "go_code_completion_enabled", 1)
+endfunction
+
 " Set the default value. A value of "1" is a shortcut for this, for
 " compatibility reasons.
 if exists("g:go_gorename_prefill") && g:go_gorename_prefill == 1