-ddump-stg code

[Stefan O'Rear]

On Fri, Nov 16, 2007 at 05:14:08PM -0300, Guilherme Avelino wrote:
> Hi,
> 
> I want to use the stg code generated by the ghc with a frontend for my
> compiler. I´m using the flags -ddump-stg  and  -dppr-debug to obtain the STG
> informations. However there are some things that I din´t understand. Are
> there any document where I can find informations about the stg generated?

Yes, the original paper:

http://citeseer.ist.psu.edu/peytonjones92implementing.html

> Is it possible to do the ghc show type informations?

No, types are erased at the STG stage.  If you want you can use the
Simplifier output (-ddump-simpl, or maybe -fext-core if you're so
inclined) - this will give you all the types and 98% of the
optimizations.

Stefan
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