GHC Reading Guide

[Takenobu Tani]

Hi Richard, Sebastian

Thanks for your comments and advice!
I'll try to update dump flags' pages :)

Thanks a lot,
Takenobu

On Sat, Feb 6, 2021 at 12:29 AM Sebastian Graf <sgraf1337 at gmail.com> wrote:
>
> Hi Takenobu,
>
> thanks for updating that resource! I know that it was helpful to a couple of students of mine to get a big picture of GHC.
>
> I don't have anything to add. There are quite a few more -ddump-* flags for the different Core passes, but I don't think it's interesting to list all of them on that slide.
>
> Greetings,
> Sebastian
>
> Am Fr., 5. Feb. 2021 um 16:09 Uhr schrieb Richard Eisenberg <rae at richarde.dev>:
>>
>> A quick scroll through didn't reveal anything incorrect in my areas of expertise.
>>
>> On the "Dump intermediate languages" slide, you might want to mention these flags:
>>  -fprint-explicit-kinds: print out kind applications
>>  -fprint-explicit-coercions: print out details of coercions
>>  -fprint-typechecker-elaboration: print out extra gubbins the type-checker inserts
>>  -fprint-explicit-runtime-reps: don't simplify away RuntimeRep arguments
>>
>>  -ddump-ds-preopt: print out the desugared Core before the very first "simple" optimization pass
>>
>> Thanks for writing & sharing!
>> Richard
>>
>> > On Feb 5, 2021, at 7:05 AM, Takenobu Tani <takenobu.hs at gmail.com> wrote:
>> >
>> > Dear devs,
>> >
>> > I've written a simple document about "GHC source reading" for myself
>> > and potential newcomers:
>> >
>> >  * https://takenobu-hs.github.io/downloads/haskell_ghc_reading_guide.pdf
>> >    (https://github.com/takenobu-hs/haskell-ghc-reading-guide)
>> >
>> > Please teach me if something's wrong. I'll learn and correct them.
>> >
>> > Happy Haskelling :)
>> >
>> > Regards,
>> > Takenobu
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