Re: [Haskell-cafe] Haskell -> .NET

There was in fact another attempt as well, Salsa: http://haskell.org/haskellwiki/Salsa This showed quite a bit of promise but unfortunately was not more than just an experiment. Matt On Wed, Sep 16, 2009 at 10:21 AM, Peter Verswyvelen wrote:

Yes, but interop only touches the surface of what is possible.

When a Haskell compiler could create IL code, it would be possible to use the generated code inside a sandbox, e.g. to be used on the web as loadable Silverlight code.

Of course the same could be said about other virtual machines, such as Flash or Java, but I don't know about the tail call issue here.

I guess for now F# would be the best option, but it would be awesome if Haskell compilers could have more backends.

I realize this is a very big undertaking, and has been mentioned before, but it doesn't hurt to refresh the cache lines once in a while, so maybe some bright student picks this up and hacks together something cool during the summer :)

On Wed, Sep 16, 2009 at 4:03 PM, Paul Sujkov wrote:

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Hi Peter,

it seems that this question has been already raised before:

http://www.haskell.org/pipermail/haskell-cafe/2005-January/008244.html

and there are some .Net interop implementations on the net (it is a question how mature they are, however):

http://php.cin.ufpe.br/~haskell/haskelldotnet/http://php.cin.ufpe.br/%7Ehaskell/haskelldotnet/ http://haskell.forkio.com/dotnet/

2009/9/16 Peter Verswyvelen

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I heard that compiling Haskell to Java is not obvious since tail calls are not supported.

.NET's intermediate language (IL) does support tail calls, however it is currently slower than regular calls, and is not always supported by all JITs.

But given that F# will soon be officially released, I hope that eventually tail calls will work as expected, and fast

See e.g.

http://blogs.msdn.com/clrcodegeneration/archive/2009/05/11/tail-call-improve...

...

So, might it be worth considering a .NET backend for a Haskell compiler?

Peter Verswyvelen _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe

-- Regards, Paul Sujkov

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