Using regular atoms as module names kills outline query

Environment

Elixir & Erlang versions (elixir --version): Elixir 1.7.4 (compiled with Erlang/OTP 21)
Operating system: KDE neon 5.15 (Ubuntu 18.04)
Client (editor or IDE): https://github.com/neoclide/coc.nvim/

Reproduction steps

Clone https://github.com/CrowdHailer/raxx/
Open https://github.com/CrowdHailer/raxx/blob/master/lib/raxx.ex in the editor
Fetch the outline from elixir-ls
Observe the crash in the logs:

18:35:27.933 [error] Process #PID<0.157.0> raised an exception
** (MatchError) no match of right hand side value: {:defmodule, [line: 1069, column: 1], [:raxx, [do: {:__block__, [], [{:@, [line: 1070, column: 3], [{:moduledoc, [line: 1070, column: 4], [false]}]}, {:for, [line: 1073, column: 3], [{:<-, [line: 1073, column: 21], [{{:name, [line: 1073, column: 8], nil}, {:arity, [line: 1073, column: 14], nil}}, {{:., [line: 1073, column: 28], [{:__aliases__, [line: 1073, column: 24], [:Raxx]}, :__info__]}, [line: 1073, column: 28], [:functions]}]}, [do: {:__block__, [], [{:=, [line: 1074, column: 10], [{:args, [line: 1074, column: 5], nil}, {:for, [line: 1074, column: 12], [{:<-, [line: 1074, column: 18], [{:i, [line: 1074, column: 16], nil}, {:.., [line: 1074, column: 22], [0, {:arity, [line: 1074, column: 24], nil}]}]}, {:>, [line: 1074, column: 33], [{:i, [line: 1074, column: 31], nil}, 0]}, [do: {{:., [line: 1074, column: 47], [{:__aliases__, [line: 1074, column: 42], [:Macro]}, :var]}, [line: 1074, column: 47], [{{:., [line: 1074, column: 52], [:erlang, :binary_to_atom]}, [line: 1074, column: 52], [{:<<>>, [line: 1074, column: 52], [{:::, [line: 1074], [{{...}, ...}, {...}]}]}, :utf8]}, nil]}]]}]}, {:defdelegate, [line: 1075, column: 5], [{{:unquote, [line: 1075, column: 17], [{:name, [line: 1075, column: 25], nil}]}, [line: 1075, column: 17], [{:unquote_splicing, [line: 1075, column: 31], [{:args, [line: 1075, column: 48], nil}]}]}, [to: {:__aliases__, [line: 1075, column: 60], [:Raxx]}]]}]}]]}]}]]}
    (language_server) lib/language_server/providers/document_symbols.ex:51: ElixirLS.LanguageServer.Providers.DocumentSymbols.extract_module/1
    (language_server) lib/language_server/providers/document_symbols.ex:43: anonymous fn/2 in ElixirLS.LanguageServer.Providers.DocumentSymbols.list_symbols/1
    (elixir) lib/macro.ex:282: anonymous fn/4 in Macro.do_traverse_args/4
    (elixir) lib/enum.ex:1418: Enum."-map_reduce/3-lists^mapfoldl/2-0-"/3
    (elixir) lib/enum.ex:1418: Enum."-map_reduce/3-lists^mapfoldl/2-0-"/3
    (elixir) lib/macro.ex:248: Macro.do_traverse/4
    (language_server) lib/language_server/providers/document_symbols.ex:42: ElixirLS.LanguageServer.Providers.DocumentSymbols.list_symbols/1
    (language_server) lib/language_server/providers/document_symbols.ex:35: ElixirLS.LanguageServer.Providers.DocumentSymbols.symbols/2

The offending line seems to be

defmodule :raxx do

If it's changed to defmodule Baxx do seems to make it all work.

I might have a look later if I can attempt a fix, just wanted to report for now.

JakeBecker / elixir-ls

Using regular atoms as module names kills outline query #187

Environment

Reproduction steps