- From: <bugzilla@jessica.w3.org>
- Date: Mon, 05 Aug 2013 06:25:27 +0000
- To: public-webapps-bugzilla@w3.org
https://www.w3.org/Bugs/Public/show_bug.cgi?id=17508
--- Comment #10 from Nils Barth <nbarth+w3bugzilla@google.com> ---
(In reply to comment #9)
> (In reply to comment #8)
> > ...though we could instead use these 3 rules, which seem a bit simpler:
> > Enum → "enum" identifier "{" EnumValueList "}" ";"
> > EnumValueList → string EnumValues
> > EnumValues → "," string EnumValues
> > | ","
> > | ε
> >
> > WDYT?
>
> That's not LL(1), since you can't decide which of the first two productions
> of EnumValues to take without looking ahead another token. I'd like to keep
> the language LL(1) to make it easy to write a parser for.
Got it, thanks for the explanation!
Right, it's LL(2); been using LALR parser so didn't notice.
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Received on Monday, 5 August 2013 06:26:26 UTC