#3715: GHC API no longer exports location information for error/warning messages
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Reporter: greenrd | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: GHC API | Version: 6.12.1 RC1
Resolution: | Keywords:
Difficulty: Easy (less than 1 hour) | Os: Unknown/Multiple
Testcase: | Architecture: Unknown/Multiple
Failure: Other |
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Comment (by greenrd):
Replying to [comment:2 simonpj]:
> Can you be 100% concrete?
Yes, sorry.
> * What ''exactly'' is the API change that you've encountered?
The fields `errMsgSpans`, `errMsgShortDoc`, and `errMsgContext` of the
`ErrMsg` record in `compiler/main/ErrUtils.lhs`, used to be exported; now
they are not. They are still there (in RC2), just not exported. The first
one was used by scion for determining the location associated with a
message; the other two were used to display it nicely (see [comment:1
comment 1]).
> * What exactly is the change (or reversion) that would help you?
Exporting those fields from `ErrUtils.lhs` again. I could not find any
other way of getting hold of the same information.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3715#comment:3>
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