Re: Pegex Parser for Inline::C

----- Original Message ----- 
From: "Ingy dot Net" <[email protected]>
To: "inline" <[email protected]>; "Nick Patch" <[email protected]>
Sent: Sunday, July 01, 2012 10:19 AM
Subject: Pegex Parser for Inline::C


> Greetings,
>
> I got the 10 year itch to hack on Inline today.

And about time, too ;-)

> Nick Patch and I wrote an
> Inline::C parser in Pegex. I commited it to the 'pegex' branch here:
> https://github.com/ingydotnet/inline-pm/tree/pegex

Been away all weekend - I'll have a look at it tonight. (More later, once 
I've had a chance to peruse it.)

> It passes an initial test: C/xt/pegex.t
>
> ParsePegex should be nearly as fast as ParseRegExp and is more beautiful
> and maintainable than ParseRecescent.
>
> See:
> https://github.com/ingydotnet/inline-pm/blob/pegex/C/lib/Inline/C/ParsePegex.pm#L35
>
> As you can see Pegex separates the Grammar from the AST building code, 
> both
> of which are fairly simple. Nick and I paired on this today and we found a
> couple bugs in Pegex that keep the grammar from being even more readable.
> I'll try to fix them soon.
>
> Looking over the code base, it's obvious that Inline could be brought up 
> to
> date with Modern PerlT. I'm willing to put some effort into that. Rob, do
> you have the cycles to manage a new release over the couple months? (I
> would probably do all my refactorings on branches, and let you integrate
> and manage it).

No problem there. (If I get a bit slow on the uptake, just let me know when 
you think it's right to go and 'twill be done.)

Cheers,
Rob