Re: yet another pattern-matching library for Lua

["Thomas Harning Jr." <harningt@...>]

On 1/3/07, Mike Pall <mikelu-0701@mike.de> wrote:
> Hi,
>
> I found no closed PEG for properly parsing Lua 5.1 long strings
> and long comments. This is easy for any finite subset:
>
>   "[==[" * (P(1)-"]==]")^0 * "]==]"
Could this be solved w/ a recursive PEG?
Ex:
[<recurse>]
recurse:=<recurse>=
recurse:[<innertext>]
innertext:  (Hrm... what here?)

... Hrm, just realized the error there... don't think we can have it
backstep out to try the end-sequence match.

However... my approach 'might' be practical in an extension to the
matching system.
--
Thomas Harning Jr.