Fwd: Generating valid Haskell code using the GHC API pretty printer

Sittampalam, Ganesh ganesh.sittampalam at credit-suisse.com
Thu Jul 23 07:05:30 EDT 2009

Niklas Broberg wrote:
>> I believe, Language.Haskell.Pretty can properly output haskell code
>> (and the GHC API should be able to do so, too. Does the GHC API
>> output tabs?)
> Surely you mean Language.Haskell.Exts.Pretty, right? ;-)
> The haskell-src-exts library does not (yet) support full
> round-tripping source-to-source, so the generated output will be
> different from what was read. But it will at least produce valid
> output. Hopefully in a few months' time it will do the full
> round-tripping as well, at least that's the plan.    
> In general, unless you actually want to use any other components of
> the GHC API, e.g. evaluate your code, 

The original post did mention the need for typechecking.



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