fix crash on surround context with dot and alias

Author: lukaszsamson

lib/elixir_sense/core/options.ex

@@ -346,7 +346,10 @@ defmodule ElixirSense.Core.Options do
 
   def do_expand_type({name, meta, args}, metadata, module, named_args, stack)
       when is_atom(name) do
-    args = if(is_list(args), do: args, else: []) |> Enum.map(&expand_type(&1, metadata, module, named_args, stack))
+    args =
+      if(is_list(args), do: args, else: [])
+      |> Enum.map(&expand_type(&1, metadata, module, named_args, stack))
+
     named_arg = Keyword.fetch(named_args, name)
 
     cond do

lib/elixir_sense/core/surround_context.ex

@@ -27,6 +27,10 @@ defmodule ElixirSense.Core.SurroundContext do
   defp to_binding_impl({:alias, {:module_attribute, _charlist1}, _charlist}, _current_module),
     do: nil
 
+  # this probably only existed on 1.14
+  defp to_binding_impl({:alias, {:dot, _, _}, _charlist}, _current_module),
+    do: nil
+
   defp to_binding_impl({:dot, inside_dot, charlist}, current_module) do
     {inside_dot_to_binding(inside_dot, current_module), :"#{charlist}"}
   end

lib/elixir_sense/core/type_info.ex

@@ -235,6 +235,7 @@ defmodule ElixirSense.Core.TypeInfo do
               "Macro.to_string(#{inspect(sanitized)}) returned invalid code. If you believe this to be an error please report that to elixir project."
             )
           end
+
           string
       end