-----------------------------------------------------------------------------
--- $Id: InteractiveUI.hs,v 1.67 2001/05/21 13:57:49 simonmar Exp $
+-- $Id: InteractiveUI.hs,v 1.68 2001/05/23 10:26:14 simonmar Exp $
--
-- GHC Interactive User Interface
--
import Panic ( GhcException(..) )
import Config
+import CForeign
+import Foreign
+
import Posix
import Exception
import Dynamic
import Monad ( when )
import PrelGHC ( unsafeCoerce# )
-import Foreign ( nullPtr )
-import CString ( peekCString )
-----------------------------------------------------------------------------
dflags <- getDynFlags
(cmstate, maybe_hval)
- <- cmCompileExpr cmstate dflags "IO.hFlush PrelHandle.stderr"
+ <- cmCompileExpr cmstate dflags "IO.hFlush IO.stderr"
case maybe_hval of
Just hval -> writeIORef flush_stderr (unsafeCoerce# hval :: IO ())
_ -> panic "interactiveUI:stderr"
(cmstate, maybe_hval)
- <- cmCompileExpr cmstate dflags "IO.hFlush PrelHandle.stdout"
+ <- cmCompileExpr cmstate dflags "IO.hFlush IO.stdout"
case maybe_hval of
Just hval -> writeIORef flush_stdout (unsafeCoerce# hval :: IO ())
_ -> panic "interactiveUI:stdout"
+ -- replace the current argv/argc with ["<interactive>"].
+ interactive_str <- newCString "<interactive>"
+ poke prog_argc_label 1 -- sets argc to 1
+ argv <- peek prog_argv_label
+ poke argv interactive_str -- sets argv[0] to point to "<interactive>"
+
(unGHCi runGHCi) GHCiState{ target = mod,
cmstate = cmstate,
options = [] }
return ()
+foreign label "prog_argv" prog_argv_label :: Ptr (Ptr (Ptr CChar))
+foreign label "prog_argc" prog_argc_label :: Ptr CInt
runGHCi :: GHCi ()
runGHCi = do