alternative to loadWithLogge

Kazu Yamamoto ( 山本和彦 ) kazu at
Wed Aug 24 09:55:39 CEST 2011


>> ghc-mod, IDE-like back-end for Emacs, uses warning related APIs
>> including loadWithLogger and getWarnings in GHC 7.0.3 API. I found
>> that they disappeared in GHC 7.2.1 API. What should I use to handle
>> warnings in GHC 7.2.1 API?
> You can set the log_action field of the session's DynFlags to a custom
> handler.  Its value is
> type LogAction = Severity -> SrcSpan -> PprStyle -> Message -> IO ()
> The Severity parameter will let you tell whether a message is a
> warning or an error.

Thank you very much for this information.
Now ghc-mod can be complied with GHC 7.2.1!


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