X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fghci%2FGhciMonad.hs;h=8de9d386085657da1473606c523ea90c7f3bcb29;hb=c2fd45f3496040a6bc7ce8110ffe9e14bad6564f;hp=06de9e91a3b858a86fa4c1f0414cd18b4b8ec5c8;hpb=ad94d40948668032189ad22a0ad741ac1f645f50;p=ghc-hetmet.git

diff --git a/compiler/ghci/GhciMonad.hs b/compiler/ghci/GhciMonad.hs
index 06de9e9..8de9d38 100644
--- a/compiler/ghci/GhciMonad.hs
+++ b/compiler/ghci/GhciMonad.hs
@@ -10,7 +10,7 @@
 -- 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
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
 -- for details
 
 module GhciMonad where
@@ -18,7 +18,7 @@ module GhciMonad where
 #include "HsVersions.h"
 
 import qualified GHC
-import Outputable       hiding (printForUser)
+import Outputable       hiding (printForUser, printForUserPartWay)
 import qualified Outputable
 import Panic            hiding (showException)
 import Util
@@ -27,6 +27,7 @@ import HscTypes
 import SrcLoc
 import Module
 import ObjLink
+import StaticFlags
 
 import Data.Maybe
 import Numeric
@@ -45,6 +46,8 @@ import GHC.Exts
 -----------------------------------------------------------------------------
 -- GHCi monad
 
+type Command = (String, String -> GHCi Bool, Maybe String, String -> IO [String])
+
 data GHCiState = GHCiState
      { 
 	progname       :: String,
@@ -61,7 +64,13 @@ data GHCiState = GHCiState
                 -- tickarrays caches the TickArray for loaded modules,
                 -- so that we don't rebuild it each time the user sets
                 -- a breakpoint.
-        cmdqueue       :: [String]
+        -- ":" at the GHCi prompt repeats the last command, so we
+        -- remember is here:
+        last_command   :: Maybe Command,
+        cmdqueue       :: [String],
+        remembered_ctx :: Maybe ([Module],[Module])
+                -- modules we want to add to the context, but can't
+                -- because they currently have errors.  Set by :reload.
      }
 
 type TickArray = Array Int [(BreakIndex,SrcSpan)]
@@ -169,6 +178,12 @@ printForUser doc = do
   unqual <- io (GHC.getPrintUnqual session)
   io $ Outputable.printForUser stdout unqual doc
 
+printForUserPartWay :: SDoc -> GHCi ()
+printForUserPartWay doc = do
+  session <- getSession
+  unqual <- io (GHC.getPrintUnqual session)
+  io $ Outputable.printForUserPartWay stdout opt_PprUserLength unqual doc
+
 -- --------------------------------------------------------------------------
 -- timing & statistics