public static Proto parseProto(File file)
    {
        Proto proto = new Proto(file);
        try
        {
            loadFrom(file, proto);
        }
        catch (Exception e)
        {
            throw new RuntimeException(e);
        }
        return proto;
    }
Loads the proto from a {@link Reader}.
protostuff-parser/src/main/java/io/protostuff/parser/ProtoUtil.java