Force the result of user-defined commands

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

diff --git a/compiler/ghci/InteractiveUI.hs b/compiler/ghci/InteractiveUI.hs
index d62b370..8a70787 100644 (file)
--- a/compiler/ghci/InteractiveUI.hs
+++ b/compiler/ghci/InteractiveUI.hs
@@ -340,8 +340,6 @@ interactiveUI srcs maybe_exprs = withTerminalReset $ do
 
    default_editor <- liftIO $ findEditor
 
-   cwd <- liftIO $ getCurrentDirectory
-
    startGHCi (runGHCi srcs maybe_exprs)
         GHCiState{ progname = "<interactive>",
                    args = [],
@@ -357,7 +355,6 @@ interactiveUI srcs maybe_exprs = withTerminalReset $ do
                    last_command = Nothing,
                    cmdqueue = [],
                    remembered_ctx = [],
-                   virtual_path   = cwd,
                    ghc_e = isJust maybe_exprs
                  }
 
@@ -1033,6 +1030,9 @@ defineMacro overwrite s = do
 runMacro :: GHC.HValue{-String -> IO String-} -> String -> GHCi Bool
 runMacro fun s = do
   str <- io ((unsafeCoerce# fun :: String -> IO String) s)
+  -- make sure we force any exceptions in the result, while we are still
+  -- inside the exception handler for commands:
+  seqList str (return ())
   enqueueCommands (lines str)
   return False