{-# OPTIONS -#include "Linker.h" -#include "SchedAPI.h" #-}
-----------------------------------------------------------------------------
--- $Id: InteractiveUI.hs,v 1.123 2002/05/01 15:48:48 simonmar Exp $
+-- $Id: InteractiveUI.hs,v 1.133 2002/09/06 14:35:44 simonmar Exp $
--
-- GHC Interactive User Interface
--
import FieldLabel ( fieldLabelTyCon )
import SrcLoc ( isGoodSrcLoc )
import Module ( moduleName )
-import NameEnv ( nameEnvElts )
import Name ( Name, isHomePackageName, nameSrcLoc, nameOccName,
NamedThing(..) )
import OccName ( isSymOcc )
import Config
#ifndef mingw32_TARGET_OS
-import Posix
+import System.Posix
#endif
-import Exception
-import Dynamic
#if HAVE_READLINE_HEADERS && HAVE_READLINE_LIBS
-import Readline
+import System.Console.Readline as Readline
#endif
-import Concurrent
-import IOExts
-import SystemExts
+
+--import SystemExts
+
+import Control.Exception as Exception
+import Data.Dynamic
+import Control.Concurrent
import Numeric
-import List
-import System
-import CPUTime
-import Directory
-import IO
-import Char
-import Monad
+import Data.List
+import System.Cmd
+import System.CPUTime
+import System.Environment
+import System.Directory
+import System.IO as IO
+import Data.Char
+import Control.Monad as Monad
-import GlaExts ( unsafeCoerce# )
+import GHC.Exts ( unsafeCoerce# )
import Foreign ( nullPtr )
-import CString ( CString, peekCString, withCString )
+import Foreign.C.String ( CString, peekCString, withCString )
+import Data.IORef ( IORef, newIORef, readIORef, writeIORef )
+
-----------------------------------------------------------------------------
(cmstate, maybe_hval)
<- cmCompileExpr cmstate dflags "IO.hSetBuffering IO.stdout IO.NoBuffering Prelude.>> IO.hSetBuffering IO.stderr IO.NoBuffering"
case maybe_hval of
- Just hval -> unsafeCoerce# hval :: IO ()
+ Just hval -> do
+ let action = unsafeCoerce# hval :: IO ()
+ action -- do it now
+ writeIORef turn_off_buffering action -- and save it for later
_ -> panic "interactiveUI:buffering"
(cmstate, maybe_hval)
loadModule (unwords paths)
-- enter the interactive loop
+#if defined(mingw32_TARGET_OS)
+ -- always show prompt, since hIsTerminalDevice returns True for Consoles
+ -- only, which we may or may not be running under (cf. Emacs sub-shells.)
+ interactiveLoop True
+#else
is_tty <- io (hIsTerminalDevice stdin)
interactiveLoop is_tty
+#endif
-- and finally, exit
io $ do when (verbosity dflags > 0) $ putStrLn "Leaving GHCi."
then readlineLoop
else fileLoop stdin False -- turn off prompt for non-TTY input
#else
- fileLoop stdin True
+ fileLoop stdin is_tty
#endif
setOptions wds =
do -- first, deal with the GHCi opts (+s, +t, etc.)
let (plus_opts, minus_opts) = partition isPlus wds
- mapM setOpt plus_opts
+ mapM_ setOpt plus_opts
-- now, the GHC flags
pkgs_before <- io (readIORef v_Packages)
then io (putStrLn ("unknown option: `" ++ head rest2 ++ "'"))
else do
- mapM unsetOpt plus_opts
+ mapM_ unsetOpt plus_opts
-- can't do GHC flags for now
if (not (null minus_opts))
new_pkg_info <- getPackageDetails new_pkgs
mapM_ (linkPackage dflags) (reverse new_pkg_info)
+ setContextAfterLoad []
+
-----------------------------------------------------------------------------
-- code for `:show'
unqual = cmGetPrintUnqual cms
showBinding b = putStrLn (showSDocForUser unqual (ppr (ifaceTyThing b)))
- io (mapM showBinding (cmGetBindings cms))
+ io (mapM_ showBinding (cmGetBindings cms))
return ()
-----------------------------------------------------------------------------
GLOBAL_VAR(flush_stdout, error "no flush_stdout", IO ())
GLOBAL_VAR(flush_stderr, error "no flush_stdout", IO ())
+GLOBAL_VAR(turn_off_buffering, error "no flush_stdout", IO ())
newtype GHCi a = GHCi { unGHCi :: IORef GHCiState -> IO a }
-- directories specified in v_Library_Paths before giving up.
data LibrarySpec = Object FilePath | DLL String
+#ifdef darwin_TARGET_OS
+ | Framework String
+#endif
-- Packages that don't need loading, because the compiler shares them with
-- the interpreted program.
showLS (Object nm) = "(static) " ++ nm
showLS (DLL nm) = "(dynamic) " ++ nm
+#ifdef darwin_TARGET_OS
+showLS (Framework nm) = "(framework) " ++ nm
+#endif
linkPackages :: DynFlags -> [LibrarySpec] -> [PackageConfig] -> IO ()
linkPackages dflags cmdline_lib_specs pkgs
let dirs = library_dirs pkg
let libs = hs_libraries pkg ++ extra_libraries pkg
classifieds <- mapM (locateOneObj dirs) libs
+#ifdef darwin_TARGET_OS
+ let fwDirs = framework_dirs pkg
+ let frameworks= extra_frameworks pkg
+#endif
-- Complication: all the .so's must be loaded before any of the .o's.
let dlls = [ dll | DLL dll <- classifieds ]
-- If this package is already part of the GHCi binary, we'll already
-- have the right DLLs for this package loaded, so don't try to
-- load them again.
- when (name pkg `notElem` loaded_in_ghci) $
+ when (name pkg `notElem` loaded_in_ghci) $ do
+#ifdef darwin_TARGET_OS
+ loadFrameworks fwDirs frameworks
+#endif
loadDynamics dirs dlls
-- After loading all the DLLs, we can load the static objects.
- mapM loadObj objs
+ mapM_ loadObj objs
maybePutStr dflags "linking ... "
ok <- resolveObjs
Nothing -> loadDynamics dirs dlls
Just err -> throwDyn (CmdLineError ("can't load .so/.DLL for: "
++ dll ++ " (" ++ err ++ ")" ))
+#ifdef darwin_TARGET_OS
+loadFrameworks dirs [] = return ()
+loadFrameworks dirs (fw:fws) = do
+ r <- loadFramework dirs fw
+ case r of
+ Nothing -> loadFrameworks dirs fws
+ Just err -> throwDyn (CmdLineError ("can't load framework: "
+ ++ fw ++ " (" ++ err ++ ")" ))
+#endif
-- Try to find an object file for a given library in the given paths.
-- If it isn't present, we assume it's a dynamic library.
-- ----------------------------------------------------------------------------
-- Loading a dyanmic library (dlopen()-ish on Unix, LoadLibrary-ish on Win32)
-#ifdef mingw32_TARGET_OS
+#if defined(mingw32_TARGET_OS) || defined(cygwin32_TARGET_OS)
loadDynamic paths rootname = addDLL rootname
-- ignore paths on windows (why? --SDM)
-- own builtin paths now.
addDLL (mkSOName rootname)
+#ifdef darwin_TARGET_OS
+mkSOName root = "lib" ++ root ++ ".dylib"
+#else
mkSOName root = "lib" ++ root ++ ".so"
+#endif
+
+#endif
+-- Darwin / MacOS X only: load a framework
+-- a framework is a dynamic library packaged inside a directory of the same
+-- name. They are searched for in different paths than normal libraries.
+#ifdef darwin_TARGET_OS
+loadFramework extraPaths rootname
+ = loadFramework' (extraPaths ++ defaultFrameworkPaths) where
+ defaultFrameworkPaths = ["/Library/Frameworks", "/System/Library/Frameworks"]
+
+ loadFramework' (path:paths) = do
+ let dll = path ++ '/' : rootname ++ ".framework/" ++ rootname
+ b <- doesFileExist dll
+ if not b
+ then loadFramework' paths
+ else addDLL dll
+ loadFramework' [] = do
+ -- tried all our known library paths, but dlopen()
+ -- has no built-in paths for frameworks: give up
+ return $ Just $ "not found"
#endif
addDLL :: String -> IO (Maybe String)
-----------------------------------------------------------------------------
-- reverting CAFs
-foreign import revertCAFs :: IO () -- make it "safe", just in case
+revertCAFs :: IO ()
+revertCAFs = do
+ rts_revertCAFs
+ Monad.join (readIORef turn_off_buffering)
+ -- have to do this again, because we just reverted
+ -- stdout, stderr & stdin to their defaults.
+
+foreign import ccall "revertCAFs" rts_revertCAFs :: IO ()
+ -- make it "safe", just in case
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