X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FdeSugar%2FDsMonad.lhs;h=1238b1a2b54466e016fac1bd71246ee06c150c3c;hb=5723262f616ac02ddf637f6ff480a599c737ea0d;hp=58a154a93c9269726fbab8b97a2b357b6776bf66;hpb=703ca1542c8e0983cc9d8eebce6e9f3dd3fd71e2;p=ghc-hetmet.git

diff --git a/compiler/deSugar/DsMonad.lhs b/compiler/deSugar/DsMonad.lhs
index 58a154a..1238b1a 100644
--- a/compiler/deSugar/DsMonad.lhs
+++ b/compiler/deSugar/DsMonad.lhs
@@ -9,7 +9,7 @@
 module DsMonad (
 	DsM, mapM, mapAndUnzipM,
 	initDs, initDsTc, fixDs,
-	foldlM, foldrM, ifOptM,
+	foldlM, foldrM, ifDOptM, unsetOptM,
 	Applicative(..),(<$>),
 
 	newLocalName,
@@ -25,6 +25,8 @@ module DsMonad (
 
 	DsMetaEnv, DsMetaVal(..), dsLookupMetaEnv, dsExtendMetaEnv,
 
+        dsLoadModule,
+
 	-- Warnings
 	DsWarning, warnDs, failWithDs,
 
@@ -38,6 +40,7 @@ import TcRnMonad
 import CoreSyn
 import HsSyn
 import TcIface
+import LoadIface
 import RdrName
 import HscTypes
 import Bag
@@ -69,7 +72,6 @@ import Data.IORef
 \begin{code}
 data DsMatchContext
   = DsMatchContext (HsMatchContext Name) SrcSpan
-  | NoMatchContext
   deriving ()
 
 data EquationInfo
@@ -218,8 +220,8 @@ it easier to read debugging output.
 
 \begin{code}
 -- Make a new Id with the same print name, but different type, and new unique
-newUniqueId :: Name -> Type -> DsM Id
-newUniqueId id = mkSysLocalM (occNameFS (nameOccName id))
+newUniqueId :: Id -> Type -> DsM Id
+newUniqueId id = mkSysLocalM (occNameFS (nameOccName (idName id)))
 
 duplicateLocalDs :: Id -> DsM Id
 duplicateLocalDs old_local 
@@ -230,7 +232,7 @@ newPredVarDs :: PredType -> DsM Var
 newPredVarDs pred
  | isEqPred pred
  = do { uniq <- newUnique; 
-      ; let name = mkSystemName uniq (mkOccNameFS tcName (fsLit "co"))
+      ; let name = mkSystemName uniq (mkOccNameFS tcName (fsLit "co_pv"))
 	    kind = mkPredTy pred
       ; return (mkCoVar name kind) }
  | otherwise
@@ -318,3 +320,13 @@ dsExtendMetaEnv :: DsMetaEnv -> DsM a -> DsM a
 dsExtendMetaEnv menv thing_inside
   = updLclEnv (\env -> env { ds_meta = ds_meta env `plusNameEnv` menv }) thing_inside
 \end{code}
+
+\begin{code}
+dsLoadModule :: SDoc -> Module -> DsM ()
+dsLoadModule doc mod
+  = do { env <- getGblEnv
+       ; setEnvs (ds_if_env env)
+                 (loadSysInterface doc mod >> return ())
+       }
+\end{code}
+