Fix left-bias in ghci tab-completion code

[ghc-hetmet.git] / compiler / ghci / InteractiveUI.hs

diff --git a/compiler/ghci/InteractiveUI.hs b/compiler/ghci/InteractiveUI.hs
index d2ed976..573aaa0 100644 (file)
--- a/compiler/ghci/InteractiveUI.hs
+++ b/compiler/ghci/InteractiveUI.hs
@@ -152,7 +152,7 @@ builtin_commands = [
 keepGoing :: (String -> GHCi ()) -> (String -> GHCi Bool)
 keepGoing a str = a str >> return False
 
--- tlC: Top Level Command
+-- tlC: Top Level Command, not allowed in inferior sessions
 tlC ::  (String -> GHCi Bool) -> (String -> GHCi Bool)
 tlC a str = do 
     top_level <- isTopLevel
@@ -779,7 +779,10 @@ afterLoad ok session = do
   graph <- io (GHC.getModuleGraph session)
   graph' <- filterM (io . GHC.isLoaded session . GHC.ms_mod_name) graph
   setContextAfterLoad session graph'
-  refreshBkptTable graph'
+  do 
+     bt  <- getBkptTable
+     bt' <- io$ refreshBkptTable session bt graph'
+     setBkptTable bt'
   modulesLoadedMsg ok (map GHC.ms_mod_name graph')
 
 setContextAfterLoad session [] = do
@@ -1355,7 +1358,7 @@ wrapCompleter fun w =  do
 getCommonPrefix :: [String] -> String
 getCommonPrefix [] = ""
 getCommonPrefix (s:ss) = foldl common s ss
-  where common s "" = s
+  where common s "" = ""
        common "" s = ""
        common (c:cs) (d:ds)
           | c == d = c : common cs ds
@@ -1402,10 +1405,8 @@ handler (DynException dyn)
   = do at_topLevel <-  isTopLevel
        if at_topLevel then return True else throwDyn StopParentSession
   
-  | Just (ChildSessionStopped msg) <- fromDynamic dyn 
-     -- Reload modules and display some message
-  = do ASSERTM (isTopLevel) 
-       io(putStrLn msg) >> return False
+  | Just (ChildSessionStopped msg) <- fromDynamic dyn     
+  = io(putStrLn msg) >> return False
 
 handler exception = do
   flushInterpBuffers