X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcBinds.lhs;h=2eefb8ca9d90ae8f288d319d5d06dc27cd26c2a0;hp=3a30f9b5a15582ead64e225223e1b974c64745e5;hb=0b4324456e472d15a3a124f56387486f71cb765d;hpb=fdf8656855d26105ff36bdd24d41827b05037b91

diff --git a/compiler/typecheck/TcBinds.lhs b/compiler/typecheck/TcBinds.lhs
index 3a30f9b..2eefb8c 100644
--- a/compiler/typecheck/TcBinds.lhs
+++ b/compiler/typecheck/TcBinds.lhs
@@ -25,7 +25,6 @@ import TcHsType
 import TcPat
 import TcMType
 import TcType
-import RnBinds( misplacedSigErr )
 import Coercion
 import TysPrim
 import Id
@@ -44,7 +43,6 @@ import BasicTypes
 import Outputable
 import FastString
 
-import Data.List( partition )
 import Control.Monad
 
 #include "HsVersions.h"
@@ -559,24 +557,16 @@ tcSpec _ prag = pprPanic "tcSpec" (ppr prag)
 tcImpPrags :: [LSig Name] -> TcM [LTcSpecPrag]
 tcImpPrags prags
   = do { this_mod <- getModule
-       ; let is_imp prag 
-               = case sigName prag of
-                   Nothing   -> False
-                   Just name -> not (nameIsLocalOrFrom this_mod name)
-             (spec_prags, others) = partition isSpecLSig $
-	     		  	    filter is_imp prags
-       ; mapM_ misplacedSigErr others 
-       -- Messy that this misplaced-sig error comes here
-       -- but the others come from the renamer
-       ; mapAndRecoverM (wrapLocM tcImpSpec) spec_prags }
-
-tcImpSpec :: Sig Name -> TcM TcSpecPrag
-tcImpSpec prag@(SpecSig (L _ name) _ _)
+       ; mapAndRecoverM (wrapLocM tcImpSpec) 
+         [L loc (name,prag) | (L loc prag@(SpecSig (L _ name) _ _)) <- prags
+                            , not (nameIsLocalOrFrom this_mod name) ] }
+
+tcImpSpec :: (Name, Sig Name) -> TcM TcSpecPrag
+tcImpSpec (name, prag)
  = do { id <- tcLookupId name
       ; checkTc (isAnyInlinePragma (idInlinePragma id))
                 (impSpecErr name)
       ; tcSpec id prag }
-tcImpSpec p = pprPanic "tcImpSpec" (ppr p)
 
 impSpecErr :: Name -> SDoc
 impSpecErr name
@@ -585,12 +575,13 @@ impSpecErr name
                , ptext (sLit "(or you compiled its defining module without -O)")])
 
 --------------
-tcVectDecls :: [LVectDecl Name] -> TcM [LVectDecl TcId]
+tcVectDecls :: [LVectDecl Name] -> TcM ([LVectDecl TcId])
 tcVectDecls decls 
   = do { decls' <- mapM (wrapLocM tcVect) decls
        ; let ids  = [unLoc id | L _ (HsVect id _) <- decls']
              dups = findDupsEq (==) ids
        ; mapM_ reportVectDups dups
+       ; traceTcConstraints "End of tcVectDecls"
        ; return decls'
        }
   where
@@ -608,7 +599,7 @@ tcVect :: VectDecl Name -> TcM (VectDecl TcId)
 tcVect (HsVect name Nothing)
   = addErrCtxt (vectCtxt name) $
     do { id <- wrapLocM tcLookupId name
-       ; return (HsVect id Nothing)
+       ; return $ HsVect id Nothing
        }
 tcVect (HsVect name@(L loc _) (Just rhs))
   = addErrCtxt (vectCtxt name) $
@@ -623,9 +614,10 @@ tcVect (HsVect name@(L loc _) (Just rhs))
        ; (binds, [id']) <- tcPolyInfer TopLevel False sigFun pragFun NonRecursive [bind]
 
        ; traceTc "tcVect inferred type" $ ppr (varType id')
+       ; traceTc "tcVect bindings"      $ ppr binds
        
-         -- add the type variable and dictionary bindings produced by type generalisation to the
-         -- right-hand side of the vectorisation declaration
+         -- add all bindings, including the type variable and dictionary bindings produced by type
+         -- generalisation to the right-hand side of the vectorisation declaration
        ; let [AbsBinds tvs evs _ evBinds actualBinds] = (map unLoc . bagToList) binds
        ; let [bind']                                  = bagToList actualBinds
              MatchGroup