Re: BNF to Wisent grammar converter

I'm interested in a more automagic solution to code indentation (in
particular, CoffeeScript). There is the recently released 'wisi' tool that
takes a wisent grammar and produces an indentation library although it's
not clear to me how complex it will be to use it.

The biggest issue I see is that a straightforward BNF -> Wisent converter
would result in batch but not incremental parsing, which would be slow for
large files, giving a big advantage to heuristic-based systems.

Still, I'm not convinced that this problem can't be solved once and for all
for all programming languages. Provide a BNF grammar, get an indenter with
plenty of options. Why doesn't this exist?

On Wed, Sep 10, 2014 at 8:38 PM, Eric M. Ludlam <[email protected]>
wrote:

> On 09/05/2014 01:56 PM, Brian J Mingus wrote:
>
>> Hi all,
>>
>> Where can I find a converter from BNF to the wisent grammar format?
>>
>
> Hi,
>
> There is no handy converter, though I know several grammars have been
> converted by hand with little effort.
>
> In the good old days there was a pun in CEDET where the .bnf grammar files
> were "bovine normal form", but that has long since been removed.
>
> Creating such a thing would be a fun project for someone.
>
> Eric
>
>

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