[Haskell-cafe] How to read -ddump-hi output (and other phases) from GHC

Aaron Tomb atomb at soe.ucsc.edu
Sun Jun 17 13:35:26 EDT 2007

The .hcr format isn't cast in stone, either. Though I'm working on  
the implementation, I don't have any immediate plans to use it,  
myself. So, if other people have suggestions for how it should be  
different, I'd love to hear them.


On Jun 5, 2007, at 12:23 AM, Simon Peyton-Jones wrote:

> | > 4.16.3. How to read Core syntax
> | > http://www.haskell.org/ghc/docs/latest/html/users_guide/options- 
> debugging.html#id3130643
> |
> | I found that -ddump-simpl gives you good information, in a readable
> | form - I much prefer it to reading the .hcr files.
> The printer for GHC's Core language wasn't originally designed for  
> lots of people to read, although lots of people now do.  It's not  
> cast in stone.  If someone wants to improve the output, please go  
> ahead.
> Simon
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