
I have written a small TH application (module THRecord) which creates update functions for records. It is intended to be used like this: import THRecord data Record = R {... ... $(THRecord.generateRecordModifiers (reifyDecl Record)) It works great, but only if the splice is placed last in the importing module! If I place it in the middle of the module it seems to hide subsequent declarations and I get 'Variable not in scope ...' compiler errors. If I place it at the top of the module I get: ghc-6.2: panic! (the `impossible' happened, GHC version 6.2): nameModule Record {- tc 01D -} Has anybody a clue of what is happening here? -- Per

I have written a small TH application (module THRecord) which creates update functions for records. It is intended to be used like this:
You should probably ask on the Template Haskell mailing list:
http://www.haskell.org/mailman/listinfo/template-haskell
--KW 8-)
--
Keith Wansbrough

Hello,
I had very similar problems due to bugs in 6.2 that are fixed in cvs head. If you build ghc out of cvs head that may fix your problem. If not, you can report the bug on the glasgow-haskell-bugs@haskell.org mailing list.
Jeremy Shaw.
On Feb 11, 2004 01:39 AM, Per Larsson
I have written a small TH application (module THRecord) which creates update functions for records. It is intended to be used like this:
import THRecord
data Record = R {... ... $(THRecord.generateRecordModifiers (reifyDecl Record))
It works great, but only if the splice is placed last in the importing module! If I place it in the middle of the module it seems to hide subsequent declarations and I get 'Variable not in scope ...' compiler errors. If I place it at the top of the module I get:
ghc-6.2: panic! (the `impossible' happened, GHC version 6.2): nameModule Record {- tc 01D -}
Has anybody a clue of what is happening here?
-- Per
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participants (3)
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Jeremy Shaw
-
Keith Wansbrough
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Per Larsson