Re: Looking for Perl Grammar

Khamis Abuelkomboz wrote:

> Hi
>
> I'm writing a Perl parser and I'm looking for a pure perl grammar. the
> documentation from perl is not a pure grammar, it's more a documentation
> of the perl language.

I have no idea what a pure grammar is.

> thanks in advance

Its generally agreed there isn't one and I doubt there is even a context
free grammar for Perl. There are lots of thorny issues like regular
expressions, arbitrary delimiters (how do you write a rule for m#...# or m|
| ), constructs what change the grammar itself eg use subs.

Have a look thru the Chomsky hierarchy to get your terms right.
http://en.wikipedia.org/wiki/Chomsky_hierarchy

gtoomey
.

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