X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Ftypecheck%2FTcPat.lhs;h=becc2d6104aa9ac3c62e22eb13a0aec928c245e2;hb=f7ecf7234c224489be8a5e63fced903b655d92ee;hp=b857bb00f0487ac65e6b895a0082c87f614d8124;hpb=e7498a3ee1d0484d02a9e86633cc179c76ebf36e;p=ghc-hetmet.git

diff --git a/ghc/compiler/typecheck/TcPat.lhs b/ghc/compiler/typecheck/TcPat.lhs
index b857bb0..becc2d6 100644
--- a/ghc/compiler/typecheck/TcPat.lhs
+++ b/ghc/compiler/typecheck/TcPat.lhs
@@ -11,19 +11,20 @@ module TcPat ( tcPat ) where
 IMP_Ubiq(){-uitous-}
 
 import HsSyn		( InPat(..), OutPat(..), HsExpr(..), HsLit(..),
-			  Match, HsBinds, Qual, PolyType,
+			  Match, HsBinds, Qualifier, PolyType,
 			  ArithSeqInfo, Stmt, Fake )
-import RnHsSyn		( RenamedPat(..) )
-import TcHsSyn		( TcPat(..), TcIdOcc(..) )
+import RnHsSyn		( SYN_IE(RenamedPat), RnName{-instance Outputable-} )
+import TcHsSyn		( SYN_IE(TcPat), TcIdOcc(..) )
 
 import TcMonad		hiding ( rnMtoTcM )
 import Inst		( Inst, OverloadedLit(..), InstOrigin(..),
-			  emptyLIE, plusLIE, plusLIEs, LIE(..),
+			  emptyLIE, plusLIE, plusLIEs, SYN_IE(LIE),
 			  newMethod, newOverloadedLit
 			)
 import TcEnv		( tcLookupGlobalValue, tcLookupGlobalValueByKey, 
 			  tcLookupLocalValueOK )
-import TcType 		( TcType(..), TcMaybe, newTyVarTy, newTyVarTys, tcInstId )
+import SpecEnv		( SpecEnv )
+import TcType 		( SYN_IE(TcType), TcMaybe, newTyVarTy, newTyVarTys, tcInstId )
 import Unify 		( unifyTauTy, unifyTauTyList, unifyTauTyLists )
 
 import Bag		( Bag )
@@ -32,12 +33,11 @@ import Id		( GenId, idType )
 import Kind		( Kind, mkBoxedTypeKind, mkTypeKind )
 import Maybes		( maybeToBool )
 import PprType		( GenType, GenTyVar )
-import PprStyle--ToDo:rm
+--import PprStyle--ToDo:rm
 import Pretty
-import RnHsSyn		( RnName{-instance Outputable-} )
 import Type		( splitFunTy, splitRhoTy, splitSigmaTy, mkTyVarTys,
 			  getFunTy_maybe, maybeAppDataTyCon,
-			  Type(..), GenType
+			  SYN_IE(Type), GenType
 			)
 import TyVar		( GenTyVar )
 import TysPrim		( charPrimTy, intPrimTy, floatPrimTy,
@@ -45,7 +45,7 @@ import TysPrim		( charPrimTy, intPrimTy, floatPrimTy,
 			)
 import TysWiredIn	( charTy, stringTy, mkListTy, mkTupleTy, addrTy )
 import Unique		( Unique, eqClassOpKey )
-import Util		( assertPanic, panic{-ToDo:rm-} )
+import Util		( assertPanic, panic )
 \end{code}
 
 \begin{code}
@@ -60,7 +60,7 @@ tcPat :: RenamedPat -> TcM s (TcPat s, LIE s, TcType s)
 
 \begin{code}
 tcPat (VarPatIn name)
-  = tcLookupLocalValueOK ("tcPat1:"++ppShow 80 (ppr PprDebug name)) name	`thenNF_Tc` \ id ->
+  = tcLookupLocalValueOK ("tcPat1:"{-++ppShow 80 (ppr PprDebug name)-}) name	`thenNF_Tc` \ id ->
     returnTc (VarPat (TcId id), emptyLIE, idType id)
 
 tcPat (LazyPatIn pat)
@@ -342,7 +342,7 @@ matchConArgTys con arg_tys
     checkTc (con_arity == no_of_args)
 	    (arityErr "Constructor" con_id con_arity no_of_args)	`thenTc_`
 
-    unifyTauTyLists arg_tys con_args	 				`thenTc_`
+    unifyTauTyLists con_args arg_tys	 				`thenTc_`
     returnTc (con_id, con_result)
 \end{code}