is this change in TH error message intentional?

[Jan Stolarek]

Ömer, can you show us the source of Main.hs?

Janek

Dnia poniedziałek, 19 października 2015, Ömer Sinan Ağacan napisał:
> Hi all,
>
> I realized this change in TH error messages:
>
> GHC 7.10.2:
>
>     ➜  th-test  ghc --make Main.hs
>     [1 of 1] Compiling Main             ( Main.hs, Main.o )
>
>     Main.hs:13:15:
>         Not in scope: ‘locaton’
>         Perhaps you meant ‘location’ (imported from
> Language.Haskell.TH.Syntax) In the splice: $locaton
>
>     Main.hs:13:15:
>         GHC stage restriction:
>           ‘locaton’ is used in a top-level splice or annotation,
>           and must be imported, not defined locally
>         In the expression: locaton
>         In the splice: $locaton
>
> I think both error messages are quite useful in this context. I don't see
> second one as redundant.
>
> However, with HEAD:
>
>     ➜  th-test  ghc-stage2 --make Main.hs
>     [1 of 1] Compiling Main             ( Main.hs, Main.o )
>
>     Main.hs:13:15: error:
>         Variable not in scope: locaton :: ExpQ
>         Perhaps you meant ‘location’ (imported from
> Language.Haskell.TH.Syntax)
>
> I think this new message is quite worse than previous one. First, "In the
> splice ..." part is missing. Second, "It must be imported, not defined
> locally" message is not given at all.
>
> Was this change intentional? May I ask why it's changed?
> _______________________________________________
> ghc-devs mailing list
> ghc-devs at haskell.org
> http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs



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Politechnika Łódzka
Lodz University of Technology

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