X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcSplice.lhs;h=bafddf8e3582334039af4bbb7353f85176f17ce0;hp=61ed8c7838f913b0a2aa8d97f766e48d33872b95;hb=215ce9f15215399ce30ae55c9521087847d78646;hpb=f69bf6be6101d6b5d7952c384dd5eeb1917b4cdb diff --git a/compiler/typecheck/TcSplice.lhs b/compiler/typecheck/TcSplice.lhs index 61ed8c7..bafddf8 100644 --- a/compiler/typecheck/TcSplice.lhs +++ b/compiler/typecheck/TcSplice.lhs @@ -74,6 +74,7 @@ import BasicTypes import Panic import FastString import Exception +import Control.Monad ( when ) import qualified Language.Haskell.TH as TH -- THSyntax gives access to internal functions and data types @@ -655,15 +656,16 @@ runQuasiQuote :: Outputable hs_syn -> RnM hs_syn runQuasiQuote (HsQuasiQuote quoter q_span quote) quote_selector meta_ty meta_ops = do { quoter' <- lookupOccRn quoter - -- If 'quoter' is not in scope, proceed no further - -- Otherwise lookupOcc adds an error messsage and returns - -- an "unubound name", which makes the subsequent attempt to - -- run the quote fail - -- -- We use lookupOcc rather than lookupGlobalOcc because in the -- erroneous case of \x -> [x| ...|] we get a better error message -- (stage restriction rather than out of scope). + ; when (isUnboundName quoter') failM + -- If 'quoter' is not in scope, proceed no further + -- The error message was generated by lookupOccRn, but it then + -- succeeds with an "unbound name", which makes the subsequent + -- attempt to run the quote fail in a confusing way + -- Check that the quoter is not locally defined, otherwise the TH -- machinery will not be able to run the quasiquote. ; this_mod <- getModule @@ -1195,10 +1197,9 @@ reifyFixity name conv_dir BasicTypes.InfixL = TH.InfixL conv_dir BasicTypes.InfixN = TH.InfixN -reifyStrict :: BasicTypes.StrictnessMark -> TH.Strict -reifyStrict MarkedStrict = TH.IsStrict -reifyStrict MarkedUnboxed = TH.IsStrict -reifyStrict NotMarkedStrict = TH.NotStrict +reifyStrict :: BasicTypes.HsBang -> TH.Strict +reifyStrict bang | isBanged bang = TH.IsStrict + | otherwise = TH.NotStrict ------------------------------ noTH :: LitString -> SDoc -> TcM a