Add filename to arguments

ensime.py

@@ -45,7 +45,7 @@ def inspect_type_at_point_on_complete_wrapper(self, on_complete, payload):
   def get_completions(self, file_path, position):
     if self.v.is_dirty():
       size_and_diff = diff.diff_view_with_disk(self.v)
-      req = ensime_codec.encode_patch_source(size_and_diff)
+      req = ensime_codec.encode_patch_source(self.v.file_name(), size_and_diff)
       self.env.controller.client.async_req(req)
 
     req = ensime_codec.encode_completions(file_path, position)
@@ -527,9 +527,9 @@ class EnsimeCompletion(object): pass
   def encode_symbol_at_point(self, file_path, position):
     return [sym("swank:symbol-at-point"), str(file_path), int(position)]
 
-  def encode_patch_source(self, size_and_diff):
+  def encode_patch_source(self, file_path, size_and_diff):
     (new_size, diff) = size_and_diff
-    return [sym("swank:patch-source"), new_size, diff]
+    return [sym("swank:patch-source"), file_path, new_size, diff]
 
   def decode_symbol_at_point(self, data):
     return self.decode_symbol(data)