Re: Hacking the parser - function argument parentheses

[Tony Finch <dot@...>]

I would guess the way to approach this is to define @ and $ as  
operators which compile into the desired function calls.

Tony (on his iPod).
--
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/


On 17 Apr 2010, at 17:12, HyperHacker <hyperhacker@gmail.com> wrote:

> This seems like it should be a simple hack, but I just haven't been
> able to get it to work. I've modified the parser to allow a function
> to be named simply "$" or "@". The intention is to assign them useful
> functions like tostring and tonumber, that take only one argument, to
> create something similar to the # operator but allowing them to be
> redefined if necessary.
> The problem with that idea is you can't just write $foo, only $(foo).
> You can do $"foo", so it seems like it should be simple to extend that
> behaviour to the former case (only for functions named "$" or "@").
> Surprisingly, it doesn't appear to be simple at all.
> Is there anyone more familiar with the source that might be able to do
> this? Could this idea be generalized into being able to define custom
> operators which simply call metamethods on their single argument?
>
> --
> Sent from my toaster.