Include diagnostics when triggering codeAction request on save

plugin/code_actions.py

@@ -97,7 +97,12 @@ def request_on_save(
         """
         Requests code actions on save.
         """
-        self._request_async(view, entire_content_region(view), [], False, actions_handler, on_save_actions)
+        listener = windows.listener_for_view(view)
+        if not listener:
+            return
+        region = entire_content_region(view)
+        session_buffer_diagnostics, _ = listener.diagnostics_intersecting_region_async(region)
+        self._request_async(view, region, session_buffer_diagnostics, False, actions_handler, on_save_actions)
 
     def _request_async(
         self,
@@ -108,6 +113,7 @@ def _request_async(
         actions_handler: Callable[[CodeActionsByConfigName], None],
         on_save_actions: Optional[Dict[str, bool]] = None
     ) -> None:
+        location_cache_key = None
         use_cache = on_save_actions is None
         if use_cache:
             location_cache_key = "{}#{}:{}:{}".format(
@@ -125,26 +131,26 @@ def _request_async(
             listener = windows.listener_for_view(view)
             if listener:
                 for session in listener.sessions_async('codeActionProvider'):
+                    diagnostics = []  # type: Sequence[Diagnostic]
+                    for sb, diags in session_buffer_diagnostics:
+                        if sb.session == session:
+                            diagnostics = diags
+                            break
                     if on_save_actions:
                         supported_kinds = session.get_capability('codeActionProvider.codeActionKinds')
                         matching_kinds = get_matching_kinds(on_save_actions, supported_kinds or [])
                         if matching_kinds:
-                            params = text_document_code_action_params(view, region, [], matching_kinds)
+                            params = text_document_code_action_params(view, region, diagnostics, matching_kinds)
                             request = Request.codeAction(params, view)
                             session.send_request_async(
                                 request, *filtering_collector(session.config.name, matching_kinds, collector))
                     else:
-                        diagnostics = []  # type: Sequence[Diagnostic]
-                        for sb, diags in session_buffer_diagnostics:
-                            if sb.session == session:
-                                diagnostics = diags
-                                break
                         if only_with_diagnostics and not diagnostics:
                             continue
                         params = text_document_code_action_params(view, region, diagnostics)
                         request = Request.codeAction(params, view)
                         session.send_request_async(request, collector.create_collector(session.config.name))
-        if use_cache:
+        if location_cache_key:
             self._response_cache = (location_cache_key, collector)
 
 

plugin/documents.py

@@ -250,12 +250,14 @@ def diagnostics_intersecting_region_async(
         self,
         region: sublime.Region
     ) -> Tuple[List[Tuple[SessionBuffer, List[Diagnostic]]], sublime.Region]:
-        covering = sublime.Region(region.a, region.b)
+        covering = sublime.Region(region.begin(), region.end())
         result = []  # type: List[Tuple[SessionBuffer, List[Diagnostic]]]
         for sb, diagnostics in self.diagnostics_async():
             intersections = []  # type: List[Diagnostic]
             for diagnostic, candidate in diagnostics:
-                if region.intersects(candidate):
+                # Checking against points is inclusive unlike checking whether region intersects another
+                # region which is exclusive (at region end) and we want an inclusive behavior in this case.
+                if region.contains(candidate.a) or region.contains(candidate.b):
                     covering = covering.cover(candidate)
                     intersections.append(diagnostic)
             if intersections:

tests/test_code_actions.py

@@ -1,5 +1,4 @@
 from copy import deepcopy
-from LSP.plugin.code_actions import CodeActionsByConfigName
 from LSP.plugin.code_actions import get_matching_kinds
 from LSP.plugin.core.protocol import Point, Range
 from LSP.plugin.core.typing import Any, Dict, Generator, List, Tuple, Optional
@@ -106,6 +105,24 @@ def test_applies_matching_kind(self) -> Generator:
         self.assertEquals(entire_content(self.view), 'const x = 1;')
         self.assertEquals(self.view.is_dirty(), False)
 
+    def test_requests_with_diagnostics(self) -> Generator:
+        yield from self._setup_document_with_missing_semicolon()
+        code_action_kind = 'source.fixAll'
+        code_action = create_test_code_action(
+            self.view,
+            self.view.change_count(),
+            [(';', Range(Point(0, 11), Point(0, 11)))],
+            code_action_kind
+        )
+        self.set_response('textDocument/codeAction', [code_action])
+        self.view.run_command('lsp_save')
+        code_action_request = yield from self.await_message('textDocument/codeAction')
+        self.assertEquals(len(code_action_request['context']['diagnostics']), 1)
+        self.assertEquals(code_action_request['context']['diagnostics'][0]['message'], 'Missing semicolon')
+        yield from self.await_message('textDocument/didSave')
+        self.assertEquals(entire_content(self.view), 'const x = 1;')
+        self.assertEquals(self.view.is_dirty(), False)
+
     def test_applies_in_two_iterations(self) -> Generator:
         self.insert_characters('const x = 1')
         initial_change_count = self.view.change_count()
@@ -222,7 +239,7 @@ def setUp(self) -> Generator:
         self.original_debounce_time = DocumentSyncListener.code_actions_debounce_time
         DocumentSyncListener.code_actions_debounce_time = 0
 
-    def tearDown(self) -> Generator:
+    def tearDown(self) -> None:
         DocumentSyncListener.code_actions_debounce_time = self.original_debounce_time
         super().tearDown()
 
@@ -282,8 +299,6 @@ def test_requests_with_no_diagnostics(self) -> Generator:
         self.assertEquals(annotations_range[0].b, 0)
 
     def test_extends_range_to_include_diagnostics(self) -> Generator:
-        def handle_response(actions_by_config: CodeActionsByConfigName) -> None:
-            pass
         self.insert_characters('x diagnostic')
         yield from self.await_message("textDocument/didChange")
         yield from self.await_client_notification(