X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fghci%2FDebugger.hs;h=138992f10a0555ca5ea1c67513eb38315d864a19;hb=3d0ad8a75e9874e222e2e149b8914e2ed74af7b8;hp=89d658dfea8ab5a19defed5614fe0ccb5f2453ca;hpb=86bec4298d582ef1d8f0a201d6a81145e1be9498;p=ghc-hetmet.git

diff --git a/compiler/ghci/Debugger.hs b/compiler/ghci/Debugger.hs
index 89d658d..138992f 100644
--- a/compiler/ghci/Debugger.hs
+++ b/compiler/ghci/Debugger.hs
@@ -63,8 +63,7 @@ pprintClosureCommand session bindThings force str = do
    -- Do the obtainTerm--bindSuspensions-computeSubstitution dance
    go :: Session -> Id -> IO (Maybe TvSubst)
    go cms id = do 
-     mb_term <- obtainTerm cms force id 
-     maybe (return Nothing) `flip` mb_term $ \term_ -> do
+       term_ <- obtainTerm cms force id 
        term      <- tidyTermTyVars cms term_
        term'     <- if not bindThings then return term 
                      else bindSuspensions cms term                         
@@ -99,7 +98,7 @@ pprintClosureCommand session bindThings force str = do
           ids'     = map (\id -> id `setIdType` substTy subst (idType id)) ids
           subst_dom= varEnvKeys$ getTvSubstEnv subst
           subst_ran= varEnvElts$ getTvSubstEnv subst
-          new_tvs  = [ tv | t <- subst_ran, let Just tv = getTyVar_maybe t]  
+          new_tvs  = [ tv | Just tv <- map getTyVar_maybe subst_ran]  
           ic_tyvars'= (`delVarSetListByKey` subst_dom) 
                     . (`extendVarSetList`   new_tvs)
                         $ ic_tyvars ictxt
@@ -127,7 +126,6 @@ bindSuspensions cms@(Session ref) t = do
       hsc_env <- readIORef ref
       inScope <- GHC.getBindings cms
       let ictxt        = hsc_IC hsc_env
-          type_env     = ic_tmp_ids ictxt
           prefix       = "_t"
           alreadyUsedNames = map (occNameString . nameOccName . getName) inScope
           availNames   = map ((prefix++) . show) [1..] \\ alreadyUsedNames 
@@ -138,13 +136,11 @@ bindSuspensions cms@(Session ref) t = do
       let ids = [ mkGlobalId VanillaGlobal name ty vanillaIdInfo
                 | (name,ty) <- zip names tys']
           new_tyvars   = tyVarsOfTypes tys'
-          old_tyvars   = ic_tyvars ictxt
-          new_ic       = ictxt { ic_tmp_ids = ids ++ ic_tmp_ids ictxt,
-                                 ic_tyvars   = old_tyvars `unionVarSet` new_tyvars }
+          new_ic       = extendInteractiveContext ictxt ids new_tyvars
       extendLinkEnv (zip names hvals)
       writeIORef ref (hsc_env {hsc_IC = new_ic })
       return t'
-     where    
+     where
 
 --    Processing suspensions. Give names and recopilate info
         nameSuspensionsAndGetInfos :: IORef [String] -> TermFold (IO (Term, [(Name,Type,HValue)]))