{-# OPTIONS -#include "Linker.h" #-}
-----------------------------------------------------------------------------
--- $Id: InteractiveUI.hs,v 1.194 2005/03/18 13:38:31 simonmar Exp $
--
-- GHC Interactive User Interface
--
--- (c) The GHC Team 2004
+-- (c) The GHC Team 2005
--
-----------------------------------------------------------------------------
module InteractiveUI (
- interactiveUI, -- :: CmState -> [FilePath] -> IO ()
+ interactiveUI,
ghciWelcomeMsg
) where
#include "HsVersions.h"
-import CompManager
-import HscTypes ( GhciMode(..) )
+-- The GHC interface
+import qualified GHC
+import GHC ( Session, verbosity, dopt, DynFlag(..),
+ mkModule, pprModule, Type, Module, SuccessFlag(..),
+ TyThing(..), Name )
+import Outputable
+
+-- following all needed for :info... ToDo: remove
import IfaceSyn ( IfaceDecl(..), IfaceClassOp(..), IfaceConDecls(..),
IfaceConDecl(..), IfaceType,
pprIfaceDeclHead, pprParendIfaceType,
pprIfaceForAllPart, pprIfaceType )
import FunDeps ( pprFundeps )
-import Util ( removeSpaces )
-import Linker ( showLinkerState, linkPackages )
-import Util
-import Name ( Name, NamedThing(..) )
+import SrcLoc ( SrcLoc, isGoodSrcLoc )
import OccName ( OccName, parenSymOcc, occNameUserString )
-import BasicTypes ( StrictnessMark(..), defaultFixity, SuccessFlag(..) )
-import Outputable
-import DynFlags ( DynFlags(..), DynFlag(..), dopt )
+import BasicTypes ( StrictnessMark(..), defaultFixity )
+
+-- Other random utilities
import Panic hiding ( showException )
import Config
-import SrcLoc ( SrcLoc, isGoodSrcLoc )
+import StaticFlags ( opt_IgnoreDotGhci )
+import Linker ( showLinkerState )
+import Util ( removeSpaces, handle, global, toArgs,
+ looksLikeModuleName, prefixMatch )
#ifndef mingw32_HOST_OS
import Util ( handle )
" (eg. -v2, -fglasgow-exts, etc.)\n"
-interactiveUI :: DynFlags -> [FilePath] -> Maybe String -> IO ()
-interactiveUI dflags srcs maybe_expr = do
-
- cmstate <- cmInit Interactive dflags;
+interactiveUI :: Session -> [FilePath] -> Maybe String -> IO ()
+interactiveUI session srcs maybe_expr = do
-- HACK! If we happen to get into an infinite loop (eg the user
-- types 'let x=x in x' at the prompt), then the thread will block
hSetBuffering stdout NoBuffering
-- Initialise buffering for the *interpreted* I/O system
- initInterpBuffering cmstate
+ initInterpBuffering session
-- We don't want the cmd line to buffer any input that might be
-- intended for the program, so unbuffer stdin.
hSetBuffering stdin NoBuffering
-- initial context is just the Prelude
- cmstate <- cmSetContext cmstate [] ["Prelude"]
+ GHC.setContext session [] [prelude_mod]
#ifdef USE_READLINE
Readline.initialize
#endif
- startGHCi (runGHCi srcs dflags maybe_expr)
+ startGHCi (runGHCi srcs maybe_expr)
GHCiState{ progname = "<interactive>",
args = [],
- targets = srcs,
- cmstate = cmstate,
+ session = session,
options = [] }
#ifdef USE_READLINE
return ()
-runGHCi :: [FilePath] -> DynFlags -> Maybe String -> GHCi ()
-runGHCi paths dflags maybe_expr = do
- read_dot_files <- io (readIORef v_Read_DotGHCi)
+runGHCi :: [FilePath] -> Maybe String -> GHCi ()
+runGHCi paths maybe_expr = do
+ let read_dot_files = not opt_IgnoreDotGhci
when (read_dot_files) $ do
-- Read in ./.ghci.
-- if verbosity is greater than 0, or we are connected to a
-- terminal, display the prompt in the interactive loop.
is_tty <- io (hIsTerminalDevice stdin)
+ dflags <- getDynFlags
let show_prompt = verbosity dflags > 0 || is_tty
case maybe_expr of
#ifdef mingw32_HOST_OS
return True
#else
- DriverUtil.handle (\_ -> return False) $ do
+ Util.handle (\_ -> return False) $ do
st <- getFileStatus name
me <- getRealUserID
if fileOwner st /= me then do
fileLoop :: Handle -> Bool -> GHCi ()
fileLoop hdl prompt = do
- cmstate <- getCmState
- (mod,imports) <- io (cmGetContext cmstate)
+ session <- getSession
+ (mod,imports) <- io (GHC.getContext session)
when prompt (io (putStr (mkPrompt mod imports)))
l <- io (IO.try (hGetLine hdl))
case l of
-- perhaps did getContents which closes stdin at
-- EOF.
Right l ->
- case remove_spaces l of
+ case removeSpaces l of
"" -> fileLoop hdl prompt
l -> do quit <- runCommand l
if quit then return () else fileLoop hdl prompt
stringLoop :: [String] -> GHCi ()
stringLoop [] = return ()
stringLoop (s:ss) = do
- case remove_spaces s of
+ case removeSpaces s of
"" -> stringLoop ss
l -> do quit <- runCommand l
if quit then return () else stringLoop ss
mkPrompt toplevs exports
- = concat (intersperse " " (map ('*':) toplevs ++ exports)) ++ "> "
+ = showSDoc (hsep (map (\m -> char '*' <> pprModule m) toplevs)
+ <+> hsep (map pprModule exports)
+ <> text "> ")
#ifdef USE_READLINE
readlineLoop :: GHCi ()
readlineLoop = do
- cmstate <- getCmState
- (mod,imports) <- io (cmGetContext cmstate)
+ session <- getSession
+ (mod,imports) <- io (GHC.getContext session)
io yield
l <- io (readline (mkPrompt mod imports)
`finally` setNonBlockingFD 0)
case l of
Nothing -> return ()
Just l ->
- case remove_spaces l of
+ case removeSpaces l of
"" -> readlineLoop
l -> do
io (addHistory l)
| null (filter (not.isSpace) stmt) = return []
| otherwise
= do st <- getGHCiState
- cmstate <- getCmState
- (new_cmstate, result) <-
- io $ withProgName (progname st) $ withArgs (args st) $
- cmRunStmt cmstate stmt
- setGHCiState st{cmstate = new_cmstate}
+ session <- getSession
+ result <- io $ withProgName (progname st) $ withArgs (args st) $
+ GHC.runStmt session stmt
case result of
- CmRunFailed -> return []
- CmRunException e -> throw e -- this is caught by runCommand(Eval)
- CmRunOk names -> return names
+ GHC.RunFailed -> return []
+ GHC.RunException e -> throw e -- this is caught by runCommand(Eval)
+ GHC.RunOk names -> return names
-- possibly print the type and revert CAFs after evaluating an expression
finishEvalExpr names
= do b <- isOptionSet ShowType
- cmstate <- getCmState
- when b (mapM_ (showTypeOfName cmstate) names)
+ session <- getSession
+ when b (mapM_ (showTypeOfName session) names)
flushInterpBuffers
io installSignalHandlers
io (when b revertCAFs)
return True
-showTypeOfName :: CmState -> Name -> GHCi ()
-showTypeOfName cmstate n
- = do maybe_str <- io (cmTypeOfName cmstate n)
- case maybe_str of
- Nothing -> return ()
- Just str -> io (putStrLn (showSDoc (ppr n) ++ " :: " ++ str))
+showTypeOfName :: Session -> Name -> GHCi ()
+showTypeOfName session n
+ = do maybe_tything <- io (GHC.lookupName session n)
+ case maybe_tything of
+ Nothing -> return ()
+ Just thing -> showTyThing thing
+
+showForUser :: SDoc -> GHCi String
+showForUser doc = do
+ session <- getSession
+ unqual <- io (GHC.getPrintUnqual session)
+ return $! showSDocForUser unqual doc
specialCommand :: String -> GHCi Bool
specialCommand ('!':str) = shellEscape (dropWhile isSpace str)
" Prelude.>> System.IO.hSetBuffering System.IO.stderr System.IO.NoBuffering"
flush_cmd = "System.IO.hFlush System.IO.stdout Prelude.>> System.IO.hFlush IO.stderr"
-initInterpBuffering :: CmState -> IO ()
-initInterpBuffering cmstate
- = do maybe_hval <- cmCompileExpr cmstate no_buf_cmd
+initInterpBuffering :: Session -> IO ()
+initInterpBuffering session
+ = do maybe_hval <- GHC.compileExpr session no_buf_cmd
case maybe_hval of
Just hval -> writeIORef turn_off_buffering (unsafeCoerce# hval :: IO ())
other -> panic "interactiveUI:setBuffering"
- maybe_hval <- cmCompileExpr cmstate flush_cmd
+ maybe_hval <- GHC.compileExpr session flush_cmd
case maybe_hval of
Just hval -> writeIORef flush_interp (unsafeCoerce# hval :: IO ())
_ -> panic "interactiveUI:flush"
info :: String -> GHCi ()
info "" = throwDyn (CmdLineError "syntax: ':i <thing-you-want-info-about>'")
info s = do { let names = words s
- ; init_cms <- getCmState
+ ; session <- getSession
; dflags <- getDynFlags
; let exts = dopt Opt_GlasgowExts dflags
- ; mapM_ (infoThing exts init_cms) names }
+ ; mapM_ (infoThing exts session) names }
where
- infoThing exts cms name
- = do { stuff <- io (cmGetInfo cms name)
- ; io (putStrLn (showSDocForUser (cmGetPrintUnqual cms) $
+ infoThing exts session name
+ = do { stuff <- io (GHC.getInfo session name)
+ ; unqual <- io (GHC.getPrintUnqual session)
+ ; io (putStrLn (showSDocForUser unqual $
vcat (intersperse (text "") (map (showThing exts) stuff)))) }
-showThing :: Bool -> GetInfoResult -> SDoc
+showThing :: Bool -> GHC.GetInfoResult -> SDoc
showThing exts (wanted_str, thing, fixity, src_loc, insts)
= vcat [ showWithLoc src_loc (showDecl exts want_name thing),
show_fixity fixity,
= ppr tc <+> ptext SLIT("is a foreign type")
showDecl exts want_name (IfaceId {ifName = var, ifType = ty})
- = ppr var <+> dcolon <+> showType exts ty
+ = ppr var <+> dcolon <+> showIfaceType exts ty
showDecl exts want_name (IfaceSyn {ifName = tycon, ifTyVars = tyvars, ifSynRhs = mono_ty})
= hang (ptext SLIT("type") <+> pprIfaceDeclHead [] tycon tyvars)
| otherwise = ptext SLIT("where")
show_op (IfaceClassOp op dm ty)
| want_name clas || want_name op
- = Just (ppr_bndr op <+> dcolon <+> showType exts ty)
+ = Just (ppr_bndr op <+> dcolon <+> showIfaceType exts ty)
| otherwise
= Nothing
-showType :: Bool -> IfaceType -> SDoc
-showType True ty = pprIfaceType ty -- -fglasgow-exts: print with the foralls
-showType False ty = ppr ty -- otherwise, print without the foralls
+showIfaceType :: Bool -> IfaceType -> SDoc
+showIfaceType True ty = pprIfaceType ty -- -fglasgow-exts: print with the foralls
+showIfaceType False ty = ppr ty -- otherwise, print without the foralls
ppr_trim :: (a -> Maybe SDoc) -> [a] -> [SDoc]
ppr_trim show xs
addModule :: [FilePath] -> GHCi ()
addModule files = do
- state <- getGHCiState
io (revertCAFs) -- always revert CAFs on load/add.
files <- mapM expandPath files
- let new_targets = files ++ targets state
- graph <- io (cmDepAnal (cmstate state) new_targets)
- (cmstate1, ok, mods) <- io (cmLoadModules (cmstate state) graph)
- setGHCiState state{ cmstate = cmstate1, targets = new_targets }
- setContextAfterLoad mods
- dflags <- getDynFlags
- modulesLoadedMsg ok mods dflags
+ targets <- mapM (io . GHC.guessTarget) files
+ session <- getSession
+ io (mapM_ (GHC.addTarget session) targets)
+ ok <- io (GHC.load session Nothing)
+ afterLoad ok session
changeDirectory :: String -> GHCi ()
changeDirectory dir = do
- state <- getGHCiState
- when (targets state /= []) $
+ session <- getSession
+ graph <- io (GHC.getModuleGraph session)
+ when (not (null graph)) $
io $ putStr "Warning: changing directory causes all loaded modules to be unloaded,\nbecause the search path has changed.\n"
- cmstate1 <- io (cmUnload (cmstate state))
- setGHCiState state{ cmstate = cmstate1, targets = [] }
+ io (GHC.setTargets session [])
+ io (GHC.load session Nothing)
setContextAfterLoad []
+ io (GHC.workingDirectoryChanged session)
dir <- expandPath dir
io (setCurrentDirectory dir)
let new_expr = '(' : definition ++ ") :: String -> IO String"
-- compile the expression
- cms <- getCmState
- maybe_hv <- io (cmCompileExpr cms new_expr)
+ cms <- getSession
+ maybe_hv <- io (GHC.compileExpr cms new_expr)
case maybe_hv of
Nothing -> return ()
Just hv -> io (writeIORef commands --
((macro_name, keepGoing (runMacro hv)) : cmds))
-runMacro :: HValue{-String -> IO String-} -> String -> GHCi ()
+runMacro :: GHC.HValue{-String -> IO String-} -> String -> GHCi ()
runMacro fun s = do
str <- io ((unsafeCoerce# fun :: String -> IO String) s)
stringLoop (lines str)
loadModule' :: [FilePath] -> GHCi ()
loadModule' files = do
- state <- getGHCiState
+ session <- getSession
+
+ -- unload first
+ io (GHC.setTargets session [])
+ io (GHC.load session Nothing)
-- expand tildes
files <- mapM expandPath files
+ targets <- io (mapM GHC.guessTarget files)
- -- do the dependency anal first, so that if it fails we don't throw
- -- away the current set of modules.
- graph <- io (cmDepAnal (cmstate state) files)
-
- -- Dependency anal ok, now unload everything
- cmstate1 <- io (cmUnload (cmstate state))
- setGHCiState state{ cmstate = cmstate1, targets = [] }
-
- io (revertCAFs) -- always revert CAFs on load.
- (cmstate2, ok, mods) <- io (cmLoadModules cmstate1 graph)
- setGHCiState state{ cmstate = cmstate2, targets = files }
+ -- NOTE: we used to do the dependency anal first, so that if it
+ -- fails we didn't throw away the current set of modules. This would
+ -- require some re-working of the GHC interface, so we'll leave it
+ -- as a ToDo for now.
- setContextAfterLoad mods
- dflags <- getDynFlags
- modulesLoadedMsg ok mods dflags
+ io (GHC.setTargets session targets)
+ ok <- io (GHC.load session Nothing)
+ afterLoad ok session
reloadModule :: String -> GHCi ()
reloadModule "" = do
- state <- getGHCiState
- case targets state of
- [] -> io (putStr "no current target\n")
- paths -> do
- -- do the dependency anal first, so that if it fails we don't throw
- -- away the current set of modules.
- graph <- io (cmDepAnal (cmstate state) paths)
-
- io (revertCAFs) -- always revert CAFs on reload.
- (cmstate1, ok, mods)
- <- io (cmLoadModules (cmstate state) graph)
- setGHCiState state{ cmstate=cmstate1 }
- setContextAfterLoad mods
- dflags <- getDynFlags
- modulesLoadedMsg ok mods dflags
-
+ io (revertCAFs) -- always revert CAFs on reload.
+ session <- getSession
+ ok <- io (GHC.load session Nothing)
+ afterLoad ok session
reloadModule _ = noArgs ":reload"
-setContextAfterLoad [] = setContext prel
+afterLoad ok session = do
+ io (revertCAFs) -- always revert CAFs on load.
+ graph <- io (GHC.getModuleGraph session)
+ let mods = map GHC.ms_mod graph
+ setContextAfterLoad mods
+ modulesLoadedMsg ok mods
+
+setContextAfterLoad [] = do
+ session <- getSession
+ io (GHC.setContext session [] [prelude_mod])
setContextAfterLoad (m:_) = do
- cmstate <- getCmState
- b <- io (cmModuleIsInterpreted cmstate m)
- if b then setContext ('*':m) else setContext m
+ session <- getSession
+ b <- io (GHC.moduleIsInterpreted session m)
+ if b then io (GHC.setContext session [m] [])
+ else io (GHC.setContext session [] [m])
-modulesLoadedMsg ok mods dflags =
+modulesLoadedMsg :: SuccessFlag -> [Module] -> GHCi ()
+modulesLoadedMsg ok mods = do
+ dflags <- getDynFlags
when (verbosity dflags > 0) $ do
let mod_commas
| null mods = text "none."
| otherwise = hsep (
- punctuate comma (map text mods)) <> text "."
+ punctuate comma (map pprModule mods)) <> text "."
case ok of
Failed ->
io (putStrLn (showSDoc (text "Failed, modules loaded: " <> mod_commas)))
typeOfExpr :: String -> GHCi ()
typeOfExpr str
- = do cms <- getCmState
- maybe_tystr <- io (cmTypeOfExpr cms str)
- case maybe_tystr of
- Nothing -> return ()
- Just tystr -> io (putStrLn tystr)
+ = do cms <- getSession
+ maybe_ty <- io (GHC.exprType cms str)
+ case maybe_ty of
+ Nothing -> return ()
+ Just ty -> do ty' <- cleanType ty
+ tystr <- showForUser (ppr ty')
+ io (putStrLn (str ++ " :: " ++ tystr))
kindOfType :: String -> GHCi ()
kindOfType str
- = do cms <- getCmState
- maybe_tystr <- io (cmKindOfType cms str)
- case maybe_tystr of
+ = do cms <- getSession
+ maybe_ty <- io (GHC.typeKind cms str)
+ case maybe_ty of
Nothing -> return ()
- Just tystr -> io (putStrLn tystr)
+ Just ty -> do tystr <- showForUser (ppr ty)
+ io (putStrLn (str ++ " :: " ++ tystr))
quit :: String -> GHCi Bool
quit _ = return True
_ -> throwDyn (CmdLineError "syntax: :browse <module>")
browseModule m exports_only = do
- cms <- getCmState
+ s <- getSession
- is_interpreted <- io (cmModuleIsInterpreted cms m)
+ let modl = mkModule m
+ is_interpreted <- io (GHC.moduleIsInterpreted s modl)
when (not is_interpreted && not exports_only) $
throwDyn (CmdLineError ("module '" ++ m ++ "' is not interpreted"))
-- Temporarily set the context to the module we're interested in,
-- just so we can get an appropriate PrintUnqualified
- (as,bs) <- io (cmGetContext cms)
- cms1 <- io (if exports_only then cmSetContext cms [] [prel,m]
- else cmSetContext cms [m] [])
- cms2 <- io (cmSetContext cms1 as bs)
+ (as,bs) <- io (GHC.getContext s)
+ io (if exports_only then GHC.setContext s [] [prelude_mod,modl]
+ else GHC.setContext s [modl] [])
+ io (GHC.setContext s as bs)
- things <- io (cmBrowseModule cms2 m exports_only)
-
- let unqual = cmGetPrintUnqual cms1 -- NOTE: cms1 with the new context
+ things <- io (GHC.browseModule s modl exports_only)
+ unqual <- io (GHC.getPrintUnqual s)
dflags <- getDynFlags
let exts = dopt Opt_GlasgowExts dflags
sensible m = looksLikeModuleName m
newContext mods = do
- cms <- getCmState
- (as,bs) <- separate cms mods [] []
- let bs' = if null as && prel `notElem` bs then prel:bs else bs
- cms' <- io (cmSetContext cms as bs')
- setCmState cms'
-
-separate cmstate [] as bs = return (as,bs)
-separate cmstate (('*':m):ms) as bs = do
- b <- io (cmModuleIsInterpreted cmstate m)
- if b then separate cmstate ms (m:as) bs
+ session <- getSession
+ (as,bs) <- separate session mods [] []
+ let bs' = if null as && prelude_mod `notElem` bs then prelude_mod:bs else bs
+ io (GHC.setContext session as bs')
+
+separate :: Session -> [String] -> [Module] -> [Module]
+ -> GHCi ([Module],[Module])
+separate session [] as bs = return (as,bs)
+separate session (('*':m):ms) as bs = do
+ let modl = mkModule m
+ b <- io (GHC.moduleIsInterpreted session modl)
+ if b then separate session ms (modl:as) bs
else throwDyn (CmdLineError ("module '" ++ m ++ "' is not interpreted"))
-separate cmstate (m:ms) as bs = separate cmstate ms as (m:bs)
+separate session (m:ms) as bs = separate session ms as (mkModule m:bs)
-prel = "Prelude"
+prelude_mod = mkModule "Prelude"
addToContext mods = do
- cms <- getCmState
- (as,bs) <- io (cmGetContext cms)
+ cms <- getSession
+ (as,bs) <- io (GHC.getContext cms)
(as',bs') <- separate cms mods [] []
let as_to_add = as' \\ (as ++ bs)
bs_to_add = bs' \\ (as ++ bs)
- cms' <- io (cmSetContext cms
- (as ++ as_to_add) (bs ++ bs_to_add))
- setCmState cms'
+ io (GHC.setContext cms (as ++ as_to_add) (bs ++ bs_to_add))
removeFromContext mods = do
- cms <- getCmState
- (as,bs) <- io (cmGetContext cms)
+ cms <- getSession
+ (as,bs) <- io (GHC.getContext cms)
(as_to_remove,bs_to_remove) <- separate cms mods [] []
let as' = as \\ (as_to_remove ++ bs_to_remove)
bs' = bs \\ (as_to_remove ++ bs_to_remove)
- cms' <- io (cmSetContext cms as' bs')
- setCmState cms'
+ io (GHC.setContext cms as' bs')
----------------------------------------------------------------------------
-- Code for `:set'
let (plus_opts, minus_opts) = partition isPlus wds
mapM_ setOpt plus_opts
- -- now, the GHC flags
- leftovers <- io $ processStaticFlags minus_opts
-
-- then, dynamic flags
dflags <- getDynFlags
- (dflags',leftovers) <- io $ processDynamicFlags leftovers dflags
+ (dflags',leftovers) <- io $ GHC.parseDynamicFlags dflags minus_opts
setDynFlags dflags'
-- update things if the users wants more packages
optToStr ShowType = "t"
optToStr RevertCAFs = "r"
+{- ToDo
newPackages new_pkgs = do -- The new packages are already in v_Packages
- state <- getGHCiState
- cmstate1 <- io (cmUnload (cmstate state))
- setGHCiState state{ cmstate = cmstate1, targets = [] }
+ session <- getSession
+ io (GHC.setTargets session [])
+ io (GHC.load session Nothing)
dflags <- getDynFlags
io (linkPackages dflags new_pkgs)
setContextAfterLoad []
+-}
-- ---------------------------------------------------------------------------
-- code for `:show'
["linker"] -> io showLinkerState
_ -> throwDyn (CmdLineError "syntax: :show [modules|bindings]")
-showModules
- = do { cms <- getCmState
- ; let show_one ms = io (putStrLn (cmShowModule cms ms))
- ; mapM_ show_one (cmGetModuleGraph cms) }
+showModules = do
+ session <- getSession
+ let show_one ms = do m <- io (GHC.showModule session ms)
+ io (putStrLn m)
+ graph <- io (GHC.getModuleGraph session)
+ mapM_ show_one graph
showBindings = do
- cms <- getCmState
- let
- unqual = cmGetPrintUnqual cms
--- showBinding b = putStrLn (showSDocForUser unqual (ppr (ifaceTyThing b)))
- showBinding b = putStrLn (showSDocForUser unqual (ppr (getName b)))
-
- io (mapM_ showBinding (cmGetBindings cms))
+ s <- getSession
+ unqual <- io (GHC.getPrintUnqual s)
+ bindings <- io (GHC.getBindings s)
+ mapM_ showTyThing bindings
return ()
+showTyThing (AnId id) = do
+ ty' <- cleanType (GHC.idType id)
+ str <- showForUser (ppr id <> text " :: " <> ppr ty')
+ io (putStrLn str)
+showTyThing _ = return ()
+
+-- if -fglasgow-exts is on we show the foralls, otherwise we don't.
+cleanType :: Type -> GHCi Type
+cleanType ty = do
+ dflags <- getDynFlags
+ if dopt Opt_GlasgowExts dflags
+ then return ty
+ else return $! GHC.dropForAlls ty
-----------------------------------------------------------------------------
-- GHCi monad
{
progname :: String,
args :: [String],
- targets :: [FilePath],
- cmstate :: CmState,
+ session :: GHC.Session,
options :: [GHCiOption]
}
setGHCiState s = GHCi $ \r -> writeIORef r s
-- for convenience...
-getCmState = getGHCiState >>= return . cmstate
-setCmState cms = do s <- getGHCiState; setGHCiState s{cmstate=cms}
-
-getDynFlags = getCmState >>= return . cmGetDFlags
-
-setDynFlags dflags = do s <- getCmState; setCmState (cmSetDFlags s dflags)
+getSession = getGHCiState >>= return . session
+
+getDynFlags = do
+ s <- getSession
+ io (GHC.getSessionDynFlags s)
+setDynFlags dflags = do
+ s <- getSession
+ io (GHC.setSessionDynFlags s dflags)
isOptionSet :: GHCiOption -> GHCi Bool
isOptionSet opt