Fix issue #60

core/fileaction.py

@@ -189,7 +189,7 @@ def handle_completion_response(self, request_id, response_result):
 
     def calc_completion_prefix_string(self):
         ret = self.last_change_file_before_cursor_text
-        for c in self.lsp_server.trigger_characters + [" " + '\t']:
+        for c in self.lsp_server.completion_trigger_characters + [" " + '\t']:
             ret = ret.rpartition(c)[2]
         return ret
 

core/lspserver.py

@@ -241,7 +241,7 @@ def __init__(self, message_queue, file_action):
         self.ls_message_thread.start()
 
         # LSP server information.
-        self.trigger_characters = list()
+        self.completion_trigger_characters = list()
 
         # Start LSP sever.
         self.p = subprocess.Popen(self.server_info["command"],
@@ -357,7 +357,7 @@ def send_completion_request(self, request_id, filepath, type, position, char):
         self.record_request_id(request_id, method, filepath, type)
 
         # STEP 6: Calculate completion candidates for current point.
-        if char in self.trigger_characters:
+        if char in self.completion_trigger_characters:
             self.send_to_request(method,
                                  {
                                      "textDocument": {
@@ -493,7 +493,13 @@ def handle_recv_message(self, message):
             if message["id"] == self.initialize_id:
                 # STEP 2: tell LSP server that client is ready.
                 # We need wait LSP server response 'initialize', then we send 'initialized' notification.
-                self.trigger_characters = message["result"]["capabilities"]["completionProvider"]["triggerCharacters"]
+                try:
+                    # We pick up completion trigger characters from server.
+                    # But some LSP server haven't this value, such as html/css LSP server. 
+                    self.completion_trigger_characters = message["result"]["capabilities"]["completionProvider"]["triggerCharacters"]
+                except:
+                    pass
+
                 self.send_to_notification("initialized", {})
             else:
                 if "error" in message.keys():