Merge pull request #4193 from bstaletic/hover-traceback

[READY] Stop auto hover timer if buffer changes or cursor moves

autoload/youcompleteme.vim

@@ -760,12 +760,28 @@ function! s:OnFileSave()
 endfunction
 
 
+function! s:AbortAutohoverRequest() abort
+  if g:ycm_auto_hover ==# 'CursorHold' && s:enable_hover
+    let requests = copy( s:pollers.command.requests )
+    for request_id in keys( requests )
+      let request = requests[ request_id ]
+      if request.origin == 'autohover'
+        call remove( s:pollers.command.requests, request_id )
+        call request.callback( '' )
+      endif
+    endfor
+  endif
+endfunction
+
+
 function! s:OnBufferEnter()
   call s:StartMessagePoll()
   if !s:VisitedBufferRequiresReparse()
     return
   endif
 
+  call s:AbortAutohoverRequest()
+
   call s:SetUpCompleteopt()
   call s:EnableCompletingInCurrentBuffer()
 
@@ -966,6 +982,8 @@ function! s:OnCursorMovedNormalMode()
     return
   endif
 
+  call s:AbortAutohoverRequest()
+
   py3 ycm_state.OnCursorMoved()
 endfunction
 
@@ -1441,22 +1459,13 @@ function! youcompleteme#GetCommandResponse( ... ) abort
 endfunction
 
 
-function! youcompleteme#GetCommandResponseAsync( callback, ... ) abort
-  if !s:AllowedToCompleteInCurrentBuffer()
-    eval a:callback( '' )
-    return
-  endif
-
-  if !get( b:, 'ycm_completing' )
-    eval a:callback( '' )
-    return
-  endif
-
+function! s:GetCommandResponseAsyncImpl( callback, origin, ... ) abort
   let request_id = py3eval(
         \ 'ycm_state.SendCommandRequestAsync( vim.eval( "a:000" ) )' )
 
   let s:pollers.command.requests[ request_id ] = {
         \ 'response_func': 'StringResponse',
+        \ 'origin': a:origin,
         \ 'callback': a:callback
         \ }
   if s:pollers.command.id == -1
@@ -1466,6 +1475,21 @@ function! youcompleteme#GetCommandResponseAsync( callback, ... ) abort
 endfunction
 
 
+function! youcompleteme#GetCommandResponseAsync( callback, ... ) abort
+  if !s:AllowedToCompleteInCurrentBuffer()
+    eval a:callback( '' )
+    return
+  endif
+
+  if !get( b:, 'ycm_completing' )
+    eval a:callback( '' )
+    return
+  endif
+
+  call s:GetCommandResponseAsyncImpl( callback, 'extern', a:000 )
+endfunction
+
+
 function! youcompleteme#GetRawCommandResponseAsync( callback, ... ) abort
   if !s:AllowedToCompleteInCurrentBuffer()
     eval a:callback( { 'error': 'ycm not allowed in buffer' } )
@@ -1482,6 +1506,7 @@ function! youcompleteme#GetRawCommandResponseAsync( callback, ... ) abort
 
   let s:pollers.command.requests[ request_id ] = {
         \ 'response_func': 'Response',
+        \ 'origin': 'extern_raw',
         \ 'callback': a:callback
         \ }
   if s:pollers.command.id == -1
@@ -1621,8 +1646,9 @@ if exists( '*popup_atcursor' )
       return
     endif
 
-    call youcompleteme#GetCommandResponseAsync(
+    call s:GetCommandResponseAsyncImpl(
           \ function( 's:ShowHoverResult' ),
+          \ 'autohover',
           \ b:ycm_hover.command )
   endfunction