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module Main where
import System.IO
import GHC.Driver.Session
import GHC
import GHC.Utils.Exception
import GHC.Types.Module
import GHC.Data.FastString
import GHC.Utils.Monad
import GHC.Utils.Outputable
import GHC.Data.Bag (filterBag,isEmptyBag)
import System.Directory (removeFile)
import System.Environment( getArgs )
import GHC.Builtin.Names
main :: IO()
main
= do [libdir] <- getArgs
ok <- runGhc (Just libdir) $ do
dflags <- getSessionDynFlags
setSessionDynFlags dflags
liftIO (setUnsafeGlobalDynFlags dflags)
setContext [ IIDecl (simpleImportDecl pRELUDE_NAME)
, IIDecl (simpleImportDecl (mkModuleNameFS (fsLit "System.IO")))]
runDecls "data X = Y ()"
execStmt "print True" execOptions
gtry $ execStmt "print (Y ())" execOptions :: GhcMonad m => m (Either SomeException ExecResult)
runDecls "data X = Y () deriving Show"
_ <- dynCompileExpr "'x'"
execStmt "print (Y ())" execOptions
execStmt "System.IO.hFlush System.IO.stdout" execOptions
print "done"
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