lua-complete is an auto-completion engine for the Lua language
$ luarocks install --server=https://luarocks.org/dev lua-complete
WARNING: this module is no longer being supported
lua-complete can provide auto-complete suggestions for a text editor or IDE.
The file contents, cursor location, and [optionally] include directory get passed in,
and lua-complete will suggest elements in the table and/or function arguments (for Lua functions).