X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fghci%2FDebugger.hs;h=6d8e870883653ad5463a87de1d3b35525085b9cd;hb=ae4c8ca48b93b0063bcc66aeee43a1243426e8ed;hp=a56b27b876a17c96ed5c9f085cbdd3a5ddc61dab;hpb=ee03fe2fd35cdb33cf8b586691ab0da6d1b92153;p=ghc-hetmet.git

diff --git a/compiler/ghci/Debugger.hs b/compiler/ghci/Debugger.hs
index a56b27b..6d8e870 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                         
@@ -95,13 +94,20 @@ pprintClosureCommand session bindThings force str = do
       hsc_env <- readIORef ref
       inScope <- GHC.getBindings cms
       let ictxt    = hsc_IC hsc_env
-          type_env = ic_type_env ictxt
-          ids      = typeEnvIds type_env
+          ids      = ic_tmp_ids ictxt
           ids'     = map (\id -> id `setIdType` substTy subst (idType id)) ids
-          type_env'= extendTypeEnvWithIds type_env ids'
-          ictxt'   = ictxt { ic_type_env = type_env' }
+          subst_dom= varEnvKeys$ getTvSubstEnv subst
+          subst_ran= varEnvElts$ getTvSubstEnv subst
+          new_tvs  = [ tv | Just tv <- map getTyVar_maybe subst_ran]  
+          ic_tyvars'= (`delVarSetListByKey` subst_dom) 
+                    . (`extendVarSetList`   new_tvs)
+                        $ ic_tyvars ictxt
+          ictxt'   = ictxt { ic_tmp_ids = ids'
+                           , ic_tyvars   = ic_tyvars' }
       writeIORef ref (hsc_env {hsc_IC = ictxt'})
 
+          where delVarSetListByKey = foldl' delVarSetByKey
+
    tidyTermTyVars :: Session -> Term -> IO Term
    tidyTermTyVars (Session ref) t = do
      hsc_env <- readIORef ref
@@ -120,7 +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_type_env ictxt
           prefix       = "_t"
           alreadyUsedNames = map (occNameString . nameOccName . getName) inScope
           availNames   = map ((prefix++) . show) [1..] \\ alreadyUsedNames 
@@ -131,14 +136,11 @@ bindSuspensions cms@(Session ref) t = do
       let ids = [ mkGlobalId VanillaGlobal name ty vanillaIdInfo
                 | (name,ty) <- zip names tys']
           new_tyvars   = tyVarsOfTypes tys'
-          new_type_env = extendTypeEnvWithIds type_env ids 
-          old_tyvars   = ic_tyvars ictxt
-          new_ic       = ictxt { ic_type_env = new_type_env,
-                                 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)]))
@@ -190,10 +192,9 @@ printTerm cms@(Session ref) = cPprTerm cPpr
   bindToFreshName hsc_env ty userName = do
     name <- newGrimName cms userName 
     let ictxt    = hsc_IC hsc_env
-        type_env = ic_type_env ictxt
+        tmp_ids  = ic_tmp_ids ictxt
         id       = mkGlobalId VanillaGlobal name ty vanillaIdInfo
-        new_type_env = extendTypeEnv type_env (AnId id)
-        new_ic       = ictxt { ic_type_env     = new_type_env }
+        new_ic   = ictxt { ic_tmp_ids = id : tmp_ids }
     return (hsc_env {hsc_IC = new_ic }, name)
 
 --    Create new uniques and give them sequentially numbered names
@@ -202,7 +203,7 @@ newGrimName cms userName  = do
     us <- mkSplitUniqSupply 'b'
     let unique  = uniqFromSupply us
         occname = mkOccName varName userName
-        name    = mkInternalName unique occname noSrcLoc
+        name    = mkInternalName unique occname noSrcSpan
     return name
 
 skolemSubst subst = subst `setTvSubstEnv`