Fix #2535 - Automatically emit <C-x><C-o> less to prevent <C-o> issues

autoload/ale/completion.vim

@@ -216,18 +216,6 @@ function! ale#completion#GetCompletionPosition() abort
 endfunction
 
 function! ale#completion#GetCompletionResult() abort
-    " Parse a new response if there is one.
-    if exists('b:ale_completion_response')
-    \&& exists('b:ale_completion_parser')
-        let l:response = b:ale_completion_response
-        let l:parser = b:ale_completion_parser
-
-        unlet b:ale_completion_response
-        unlet b:ale_completion_parser
-
-        let b:ale_completion_result = function(l:parser)(l:response)
-    endif
-
     if exists('b:ale_completion_result')
         return b:ale_completion_result
     endif
@@ -247,15 +235,20 @@ function! ale#completion#AutomaticOmniFunc(findstart, base) abort
     endif
 endfunction
 
-function! ale#completion#Show(response, completion_parser) abort
+function! ale#completion#Show(result) abort
     if ale#util#Mode() isnot# 'i'
         return
     endif
 
     " Set the list in the buffer, temporarily replace omnifunc with our
     " function, and then start omni-completion.
-    let b:ale_completion_response = a:response
-    let b:ale_completion_parser = a:completion_parser
+    let b:ale_completion_result = a:result
+
+    " Don't try to open the completion menu if there's nothing to show.
+    if empty(b:ale_completion_result)
+        return
+    endif
+
     " Replace completion options shortly before opening the menu.
     call s:ReplaceCompletionOptions()
 
@@ -475,8 +468,7 @@ function! ale#completion#HandleTSServerResponse(conn_id, response) abort
         endif
     elseif l:command is# 'completionEntryDetails'
         call ale#completion#Show(
-        \   a:response,
-        \   'ale#completion#ParseTSServerCompletionEntryDetails',
+        \   ale#completion#ParseTSServerCompletionEntryDetails(a:response),
         \)
     endif
 endfunction
@@ -488,8 +480,7 @@ function! ale#completion#HandleLSPResponse(conn_id, response) abort
     endif
 
     call ale#completion#Show(
-    \   a:response,
-    \   'ale#completion#ParseLSPCompletions',
+    \   ale#completion#ParseLSPCompletions(a:response),
     \)
 endfunction
 
@@ -585,8 +576,6 @@ function! ale#completion#GetCompletions(source) abort
     \   'request_id': 0,
     \   'source': a:source,
     \}
-    unlet! b:ale_completion_response
-    unlet! b:ale_completion_parser
     unlet! b:ale_completion_result
 
     let l:buffer = bufnr('')

test/completion/test_completion_events.vader

@@ -57,8 +57,6 @@ After:
   unlet! b:ale_old_omnifunc
   unlet! b:ale_old_completeopt
   unlet! b:ale_completion_info
-  unlet! b:ale_completion_response
-  unlet! b:ale_completion_parser
   unlet! b:ale_completion_result
   unlet! b:ale_complete_done_time
 
@@ -136,7 +134,7 @@ Execute(ale#completion#Show() should remember the omnifunc setting and replace i
   let &l:omnifunc = 'FooBar'
 
   let b:ale_completion_info = {'source': 'ale-automatic'}
-  call ale#completion#Show('Response', 'Parser')
+  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])
 
   AssertEqual 'FooBar', b:ale_old_omnifunc
   AssertEqual 'ale#completion#AutomaticOmniFunc', &l:omnifunc
@@ -149,7 +147,7 @@ Execute(ale#completion#Show() should remember the completeopt setting and replac
   let &l:completeopt = 'menu'
 
   let b:ale_completion_info = {'source': 'ale-automatic'}
-  call ale#completion#Show('Response', 'Parser')
+  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])
 
   AssertEqual 'menu', b:ale_old_completeopt
   AssertEqual 'menu,menuone,noselect,noinsert', &l:completeopt
@@ -162,7 +160,7 @@ Execute(ale#completion#Show() should set the preview option if it's set):
   let &l:completeopt = 'menu,preview'
 
   let b:ale_completion_info = {'source': 'ale-automatic'}
-  call ale#completion#Show('Response', 'Parser')
+  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])
 
   AssertEqual 'menu,preview', b:ale_old_completeopt
   AssertEqual 'menu,menuone,preview,noselect,noinsert', &l:completeopt
@@ -176,7 +174,7 @@ Execute(ale#completion#Show() should not replace the completeopt setting for man
 
   let &l:completeopt = 'menu,preview'
 
-  call ale#completion#Show('Response', 'Parser')
+  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])
 
   Assert !exists('b:ale_old_completeopt')
 
@@ -204,7 +202,7 @@ Execute(ale#completion#AutomaticOmniFunc() should set the preview option if it's
 
 Execute(ale#completion#Show() should make the correct feedkeys() call for automatic completion):
   let b:ale_completion_info = {'source': 'ale-automatic'}
-  call ale#completion#Show('Response', 'Parser')
+  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])
 
   AssertEqual [], g:feedkeys_calls
   sleep 1ms
@@ -212,7 +210,7 @@ Execute(ale#completion#Show() should make the correct feedkeys() call for automa
 
 Execute(ale#completion#Show() should make the correct feedkeys() call for manual completion):
   let b:ale_completion_info = {'source': 'ale-automatic'}
-  call ale#completion#Show('Response', 'Parser')
+  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])
 
   AssertEqual [], g:feedkeys_calls
   sleep 1ms
@@ -220,7 +218,7 @@ Execute(ale#completion#Show() should make the correct feedkeys() call for manual
 
 Execute(ale#completion#Show() should not call feedkeys() for other sources):
   let b:ale_completion_info = {'source': 'deoplete'}
-  call ale#completion#Show('Response', 'Parser')
+  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])
 
   sleep 1ms
   AssertEqual [], g:feedkeys_calls
@@ -229,20 +227,22 @@ Execute(ale#completion#Show() shouldn't do anything if you switch back to normal
   let &l:completeopt = 'menu,preview'
   let g:fake_mode = 'n'
 
-  call ale#completion#Show('Response', 'Parser')
+  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])
 
   AssertEqual 'menu,preview', &l:completeopt
   Assert !exists('b:ale_old_omnifunc')
   Assert !exists('b:ale_old_completeopt')
-  Assert !exists('b:ale_completion_response')
-  Assert !exists('b:ale_completion_parser')
+  Assert !exists('b:ale_completion_result')
   AssertEqual [], g:feedkeys_calls
 
-Execute(ale#completion#Show() should set up the response and parser):
-  call ale#completion#Show('Response', 'Parser')
+Execute(ale#completion#Show() should save the result it is given):
+  call ale#completion#Show([])
 
-  AssertEqual 'Response', b:ale_completion_response
-  AssertEqual 'Parser', b:ale_completion_parser
+  AssertEqual [], b:ale_completion_result
+
+  call ale#completion#Show([{'word': 'x', 'kind': 'v', 'icase': 1}])
+
+  AssertEqual [{'word': 'x', 'kind': 'v', 'icase': 1}], b:ale_completion_result
 
 Execute(ale#completion#Done() should restore old omnifunc values):
   let b:ale_old_omnifunc = 'FooBar'
@@ -317,8 +317,6 @@ Execute(b:ale_completion_info should be set up correctly when requesting complet
 
 Execute(b:ale_completion_info should be set up correctly for other sources):
   let b:ale_completion_result = []
-  let b:ale_completion_response = []
-  let b:ale_completion_parser = 'type'
   call setpos('.', [bufnr(''), 3, 14, 0])
   call ale#completion#GetCompletions('deoplete')
 
@@ -334,8 +332,6 @@ Execute(b:ale_completion_info should be set up correctly for other sources):
   \ },
   \ b:ale_completion_info
   Assert !exists('b:ale_completion_result')
-  Assert !exists('b:ale_completion_response')
-  Assert !exists('b:ale_completion_parser')
 
 Execute(The correct keybinds should be configured):
   redir => g:output

test/completion/test_lsp_completion_messages.vader

@@ -69,8 +69,6 @@ After:
   unlet! b:ale_old_omnifunc
   unlet! b:ale_old_completeopt
   unlet! b:ale_completion_info
-  unlet! b:ale_completion_response
-  unlet! b:ale_completion_parser
   unlet! b:ale_complete_done_time
   unlet! b:ale_linters
   unlet! b:ale_tsserver_completion_names
@@ -246,14 +244,14 @@ Execute(Two completion requests shouldn't be sent in a row):
   \   'lsp': 'stdio',
   \   'executable': 'foo',
   \   'command': 'foo',
-  \   'project_root_callback': {-> '/foo/bar'},
+  \   'project_root': {-> '/foo/bar'},
   \})
   call ale#linter#Define('python', {
   \   'name': 'bar',
   \   'lsp': 'stdio',
   \   'executable': 'foo',
   \   'command': 'foo',
-  \   'project_root_callback': {-> '/foo/bar'},
+  \   'project_root': {-> '/foo/bar'},
   \})
   let b:ale_linters = ['foo', 'bar']
 

test/completion/test_omnifunc_completion.vader

@@ -1,7 +1,5 @@
 Before:
   unlet! b:ale_completion_info
-  unlet! b:ale_completion_response
-  unlet! b:ale_completion_parser
   unlet! b:ale_completion_result
 
   let b:lsp_started = 0
@@ -12,27 +10,19 @@ Before:
     return b:lsp_started
   endfunction
 
-  function! Identity(x) abort
-    return a:x
-  endfunction
-
   function! SetCompletionResult(...) abort
     let b:ale_completion_result = ['foo']
   endfunction
 
   function! SetCompletionResponse(...) abort
-    let b:ale_completion_response = ['foo']
-    let b:ale_completion_parser = 'Identity'
+    let b:ale_completion_result = ['foo']
   endfunction
 
 After:
   unlet! b:ale_completion_info
-  unlet! b:ale_completion_response
-  unlet! b:ale_completion_parser
   unlet! b:ale_completion_result
   unlet! b:lsp_started
 
-  delfunction Identity
   delfunction SetCompletionResult
   delfunction SetCompletionResponse
 

test/completion/test_public_completion_api.vader

@@ -3,42 +3,21 @@ Before:
 
   unlet! b:ale_linters
   unlet! b:ale_completion_info
-  unlet! b:ale_completion_response
-  unlet! b:ale_completion_parser
   unlet! b:ale_completion_result
 
-  function! Identity(x) abort
-    return a:x
-  endfunction
-
 After:
-  delfunction Identity
-
   call ale#linter#Reset()
 
   unlet! b:ale_linters
   unlet! b:ale_completion_info
-  unlet! b:ale_completion_response
-  unlet! b:ale_completion_parser
   unlet! b:ale_completion_result
 
 Execute(ale#completion#GetCompletionResult() should return v:null when there are no results):
   AssertEqual v:null, ale#completion#GetCompletionResult()
 
-Execute(ale#completion#GetCompletionResult() should parse the result when it has yet to be parsed):
-  let b:ale_completion_response = [1]
-  let b:ale_completion_parser = 'Identity'
-
-  AssertEqual [1], ale#completion#GetCompletionResult()
-  Assert !exists('b:ale_completion_response')
-  Assert !exists('b:ale_completion_parser')
-  AssertEqual [1], b:ale_completion_result
-
 Execute(ale#completion#GetCompletionResult() should return a result computed previously):
   let b:ale_completion_result = [1]
 
-  Assert !exists('b:ale_completion_response')
-  Assert !exists('b:ale_completion_parser')
   AssertEqual [1], ale#completion#GetCompletionResult()
 
 Execute(ale#completion#GetCompletionPosition() should return 0 when there is no completion information):