Minor refactoring & style cleanup

autoload/youcompleteme.vim

@@ -600,6 +600,7 @@ function! s:CompleterCommand(...)
   py completer.OnUserCommand( vim.eval( 'l:arguments' ) )
 endfunction
 
+
 function! youcompleteme#OpenGoToList()
   set lazyredraw
   cclose
@@ -609,14 +610,17 @@ function! youcompleteme#OpenGoToList()
   redraw!
 endfunction
 
+
 command! -nargs=* -complete=custom,youcompleteme#SubCommandsComplete
   \ YcmCompleter call s:CompleterCommand(<f-args>)
 
+
 function! youcompleteme#SubCommandsComplete( arglead, cmdline, cursorpos )
   return join( pyeval( 'ycm_state.GetFiletypeCompleter().DefinedSubcommands()' ),
     \ "\n")
 endfunction
 
+
 function! s:ForceCompile()
   if !pyeval( 'ycm_state.NativeFiletypeCompletionUsable()' )
     echom "Native filetype completion not supported for current file, "

python/completers/completer.py

@@ -180,13 +180,15 @@ class Completer( object ):
     return []
 
 
-  def UserCommandsHelpMessage( self ):
-    if self.DefinedSubcommands():
-      vimsupport.EchoText( "Supported commands are:\n" +
-                           '\n'.join( self.DefinedSubcommands() )+
-                           "\nSee the docs for information on what they do." )
+  def EchoUserCommandsHelpMessage( self ):
+    subcommands = self.DefinedSubcommands()
+    if subcommands:
+      vimsupport.EchoText( 'Supported commands are:\n' +
+                           '\n'.join( subcommands ) +
+                           '\nSee the docs for information on what they do.' )
     else:
-      vimsupport.EchoText( "No supported subcommands" )
+      vimsupport.EchoText( 'No supported subcommands' )
+
 
   def FilterAndSortCandidates( self, candidates, query ):
     if not candidates:

python/completers/cpp/clang_completer.py

@@ -132,7 +132,8 @@ class ClangCompleter( Completer ):
 
   def OnUserCommand( self, arguments ):
     if not arguments:
-      return self.UserCommandsHelpMessage()
+      self.EchoUserCommandsHelpMessage()
+      return
 
     command = arguments[ 0 ]
     if command == 'GoToDefinition':

python/completers/python/jedi_completer.py

@@ -81,7 +81,8 @@ class JediCompleter( ThreadedCompleter ):
 
   def OnUserCommand( self, arguments ):
     if not arguments:
-      return self.UserCommandsHelpMessage()
+      self.EchoUserCommandsHelpMessage()
+      return
 
     command = arguments[ 0 ]
     if command == 'GoToDefinition':