import Data.List
import Data.Typeable
import System.CPUTime
+import System.Directory
+import System.Environment
import System.IO
import Control.Monad as Monad
import GHC.Exts
-- remember is here:
last_command :: Maybe Command,
cmdqueue :: [String],
- remembered_ctx :: [(CtxtCmd, [String], [String])]
+ remembered_ctx :: [(CtxtCmd, [String], [String])],
-- we remember the :module commands between :loads, so that
-- on a :reload we can replay them. See bugs #2049,
-- #1873, #1360. Previously we tried to remember modules that
-- were supposed to be in the context but currently had errors,
-- but this was complicated. Just replaying the :module commands
-- seems to be the right thing.
+ virtual_path :: FilePath
}
data CtxtCmd
unqual <- io (GHC.getPrintUnqual session)
io $ Outputable.printForUserPartWay stdout opt_PprUserLength unqual doc
+withVirtualPath :: GHCi a -> GHCi a
+withVirtualPath m = do
+ ghci_wd <- io getCurrentDirectory -- Store the cwd of GHCi
+ st <- getGHCiState
+ io$ setCurrentDirectory (virtual_path st)
+ result <- m -- Evaluate in the virtual wd..
+ vwd <- io getCurrentDirectory
+ setGHCiState (st{ virtual_path = vwd}) -- Update the virtual path
+ io$ setCurrentDirectory ghci_wd -- ..and restore GHCi wd
+ return result
+
+runStmt :: String -> GHC.SingleStep -> GHCi GHC.RunResult
+runStmt expr step = withVirtualPath$ do
+ session <- getSession
+ st <- getGHCiState
+ io$ withProgName (progname st) $ withArgs (args st) $
+ GHC.runStmt session expr step
+
+resume :: GHC.SingleStep -> GHCi GHC.RunResult
+resume step = withVirtualPath$ do
+ session <- getSession
+ io$ GHC.resume session step
+
+
-- --------------------------------------------------------------------------
-- timing & statistics