X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fmain%2FGHC.hs;h=d697bdca746fea6ca641b3ec36fa5dee486679ee;hp=506a839b1414183293e3c9318de3d92c93a23706;hb=7fc749a43b4b6b85d234fa95d4928648259584f4;hpb=68a8c3bbab3a77a982fcac980e69f47b4ec13dfd

diff --git a/compiler/main/GHC.hs b/compiler/main/GHC.hs
index 506a839..d697bdc 100644
--- a/compiler/main/GHC.hs
+++ b/compiler/main/GHC.hs
@@ -6,6 +6,13 @@
 --
 -- -----------------------------------------------------------------------------
 
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
 module GHC (
 	-- * Initialisation
 	Session,
@@ -94,7 +101,7 @@ module GHC (
         isModuleInterpreted,
 	compileExpr, HValue, dynCompileExpr,
 	lookupName,
-        obtainTerm, obtainTerm1,
+        GHC.obtainTerm, GHC.obtainTerm1, GHC.obtainTermB, reconstructType,
         modInfoModBreaks,
         ModBreaks(..), BreakIndex,
         BreakInfo(breakInfo_number, breakInfo_module),
@@ -539,9 +546,16 @@ load s@(Session ref) how_much
 	-- graph is still retained in the Session.  We can tell which modules
 	-- were successfully loaded by inspecting the Session's HPT.
 	mb_graph <- depanal s [] False
-	case mb_graph of	   
-	   Just mod_graph -> load2 s how_much mod_graph 
+	case mb_graph of
+	   Just mod_graph -> catchingFailure $ load2 s how_much mod_graph
 	   Nothing        -> return Failed
+    where catchingFailure f = f `Exception.catch` \e -> do
+              hsc_env <- readIORef ref
+              -- trac #1565 / test ghci021:
+              -- let bindings may explode if we try to use them after
+              -- failing to reload
+              writeIORef ref $! hsc_env{ hsc_IC = emptyInteractiveContext }
+              throw e
 
 load2 s@(Session ref) how_much mod_graph = do
         guessOutputFile s
@@ -1980,4 +1994,17 @@ findModule' hsc_env mod_name maybe_pkg =
 getHistorySpan :: Session -> History -> IO SrcSpan
 getHistorySpan sess h = withSession sess $ \hsc_env -> 
                           return$ InteractiveEval.getHistorySpan hsc_env h
-#endif
\ No newline at end of file
+
+obtainTerm :: Session -> Bool -> Id -> IO Term
+obtainTerm sess force id = withSession sess $ \hsc_env ->
+                            InteractiveEval.obtainTerm hsc_env force id
+
+obtainTerm1 :: Session -> Bool -> Maybe Type -> a -> IO Term
+obtainTerm1 sess force mb_ty a = withSession sess $ \hsc_env ->
+                               InteractiveEval.obtainTerm1 hsc_env force mb_ty a
+
+obtainTermB :: Session -> Int -> Bool -> Id -> IO Term
+obtainTermB sess bound force id = withSession sess $ \hsc_env ->
+                            InteractiveEval.obtainTermB hsc_env bound force id
+
+#endif