{-# OPTIONS -fno-warn-incomplete-patterns -optc-DNON_POSIX_SOURCE #-}
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
-----------------------------------------------------------------------------
--
-- GHC Driver program
--
-----------------------------------------------------------------------------
-{-# OPTIONS -w #-}
--- The above warning supression flag is a temporary kludge.
--- While working on this module you are encouraged to remove it and fix
--- any warnings in the module. See
--- http://hackage.haskell.org/trac/ghc/wiki/CodingStyle#Warnings
--- for details
-
module Main (main) where
#include "HsVersions.h"
import System.Directory ( doesDirectoryExist )
import System.Environment
import System.Exit
+import System.FilePath
import Control.Monad
import Data.List
import Data.Maybe
exitWith ExitSuccess
ShowSupportedLanguages -> do showSupportedLanguages
exitWith ExitSuccess
- ShowDocDir -> do showDocDir
- exitWith ExitSuccess
ShowVersion -> do showVersion
exitWith ExitSuccess
ShowNumVersion -> do putStrLn cProjectVersion
-- To simplify the handling of filepaths, we normalise all filepaths right
-- away - e.g., for win32 platforms, backslashes are converted
-- into forward slashes.
- normal_fileish_paths = map normalisePath fileish_args
+ normal_fileish_paths = map normalise fileish_args
(srcs, objs) = partition_args normal_fileish_paths [] []
-- Note: have v_Ld_inputs maintain the order in which 'objs' occurred on
ShowUsage -> showGhcUsage dflags cli_mode
PrintLibdir -> putStrLn (topDir dflags)
ShowSupportedLanguages -> alreadyHandled
- ShowDocDir -> alreadyHandled
ShowVersion -> alreadyHandled
ShowNumVersion -> alreadyHandled
ShowInterface f -> doShowIface dflags f
DoMkDependHS -> doMkDependHS session (map fst srcs)
StopBefore p -> oneShot dflags p srcs
DoInteractive -> interactiveUI session srcs Nothing
- DoEval expr -> interactiveUI session srcs (Just expr)
+ DoEval exprs -> interactiveUI session srcs $ Just $ reverse exprs
dumpFinalStats dflags
exitWith ExitSuccess
data CmdLineMode
= ShowUsage -- ghc -?
| PrintLibdir -- ghc --print-libdir
- | ShowDocDir -- ghc --print-docdir
| ShowInfo -- ghc --info
| ShowSupportedLanguages -- ghc --supported-languages
| ShowVersion -- ghc -V/--version
-- StopBefore StopLn is the default
| DoMake -- ghc --make
| DoInteractive -- ghc --interactive
- | DoEval String -- ghc -e
+ | DoEval [String] -- ghc -e foo -e bar => DoEval ["bar", "foo"]
deriving (Show)
isInteractiveMode, isInterpretiveMode :: CmdLineMode -> Bool
( "?" , PassFlag (setMode ShowUsage))
, ( "-help" , PassFlag (setMode ShowUsage))
, ( "-print-libdir" , PassFlag (setMode PrintLibdir))
- , ( "-print-docdir" , PassFlag (setMode ShowDocDir))
, ( "V" , PassFlag (setMode ShowVersion))
, ( "-version" , PassFlag (setMode ShowVersion))
, ( "-numeric-version" , PassFlag (setMode ShowNumVersion))
------- interfaces ----------------------------------------------------
, ( "-show-iface" , HasArg (\f -> setMode (ShowInterface f)
- "--show-iface"))
+ "--show-iface"))
------- primary modes ------------------------------------------------
- , ( "M" , PassFlag (setMode DoMkDependHS))
- , ( "E" , PassFlag (setMode (StopBefore anyHsc)))
- , ( "C" , PassFlag (\f -> do setMode (StopBefore HCc) f
- addFlag "-fvia-C"))
- , ( "S" , PassFlag (setMode (StopBefore As)))
- , ( "-make" , PassFlag (setMode DoMake))
- , ( "-interactive" , PassFlag (setMode DoInteractive))
- , ( "e" , HasArg (\s -> setMode (DoEval s) "-e"))
-
- -- -fno-code says to stop after Hsc but don't generate any code.
- , ( "fno-code" , PassFlag (\f -> do setMode (StopBefore HCc) f
- addFlag "-fno-code"
- addFlag "-no-recomp"))
+ , ( "M" , PassFlag (setMode DoMkDependHS))
+ , ( "E" , PassFlag (setMode (StopBefore anyHsc)))
+ , ( "C" , PassFlag (\f -> do setMode (StopBefore HCc) f
+ addFlag "-fvia-C"))
+ , ( "S" , PassFlag (setMode (StopBefore As)))
+ , ( "-make" , PassFlag (setMode DoMake))
+ , ( "-interactive" , PassFlag (setMode DoInteractive))
+ , ( "e" , HasArg (\s -> updateMode (updateDoEval s) "-e"))
+
+ -- -fno-code says to stop after Hsc but don't generate any code.
+ , ( "fno-code" , PassFlag (\f -> do setMode (StopBefore HCc) f
+ addFlag "-fno-code"
+ addFlag "-no-recomp"))
]
setMode :: CmdLineMode -> String -> ModeM ()
-setMode m flag = do
+setMode m flag = updateMode (\_ -> m) flag
+
+updateDoEval :: String -> CmdLineMode -> CmdLineMode
+updateDoEval expr (DoEval exprs) = DoEval (expr : exprs)
+updateDoEval expr _ = DoEval [expr]
+
+updateMode :: (CmdLineMode -> CmdLineMode) -> String -> ModeM ()
+updateMode f flag = do
(old_mode, old_flag, flags) <- getCmdLineState
- when (notNull old_flag && flag /= old_flag) $
- throwDyn (UsageError
- ("cannot use `" ++ old_flag ++ "' with `" ++ flag ++ "'"))
- putCmdLineState (m, flag, flags)
+ if notNull old_flag && flag /= old_flag
+ then throwDyn (UsageError
+ ("cannot use `" ++ old_flag ++ "' with `" ++ flag ++ "'"))
+ else putCmdLineState (f old_mode, flag, flags)
addFlag :: String -> ModeM ()
addFlag s = do
showSupportedLanguages = do mapM_ putStrLn supportedLanguages
exitWith ExitSuccess
-showDocDir :: IO ()
-showDocDir = do
- putStrLn cDocDir
- exitWith ExitSuccess
-
showVersion :: IO ()
showVersion = do
putStrLn (cProjectName ++ ", version " ++ cProjectVersion)