bug#22241: 25.0.50; etags Ruby parser problems

[Dmitry Gutov]

On 02/04/2016 06:43 AM, Eli Zaretskii wrote:

> > IOW, skip the arguments that are not Ruby Symbols (don't start with a
> > colon). The current implementation treats them the same.
>
> Yes, because etags is not supposed to do sensible things with
> syntactically incorrect programs.

This is syntactically correct:

class C
  [:foo, :bar].each do |name|
    attr_reader name
  end
end

> I'm not sure I understand the rules, though: is the "no colon, don't
> tag" rule valid for any symbol following the attr_WHATEVER, or is that
> applicable only to the 2nd, 3rd, etc. symbols?

Any of the arguments.

> IOW, what, if
> anything, should be tagged here:
>
>    attr_reader foo

Just skip it as well.