From a852f1dd288c5a34b36a7f8bc21f4a338a19355c Mon Sep 17 00:00:00 2001
From: Simon Marlow <marlowsd@gmail.com>
Date: Wed, 5 Jan 2011 15:45:48 +0000
Subject: [PATCH] fix up multi-line GHCi patch (#4316)

---
 ghc/InteractiveUI.hs |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/ghc/InteractiveUI.hs b/ghc/InteractiveUI.hs
index cf90ae7..278470f 100644
--- a/ghc/InteractiveUI.hs
+++ b/ghc/InteractiveUI.hs
@@ -655,7 +655,7 @@ runOneCommand eh getCmd = do
       ml <- lift $ isOptionSet Multiline
       if ml
         then do 
-          mb_stmt <- checkInputForLayout stmt getCmd 
+          mb_stmt <- checkInputForLayout stmt 1 getCmd
           case mb_stmt of
             Nothing      -> return $ Just True
             Just ml_stmt -> do
@@ -667,14 +667,14 @@ runOneCommand eh getCmd = do
 
 -- #4316
 -- lex the input.  If there is an unclosed layout context, request input
-checkInputForLayout :: String -> InputT GHCi (Maybe String) 
+checkInputForLayout :: String -> Int -> InputT GHCi (Maybe String)
                     -> InputT GHCi (Maybe String)
-checkInputForLayout stmt getStmt = do
+checkInputForLayout stmt line_number getStmt = do
    dflags' <- lift $ getDynFlags
    let dflags = xopt_set dflags' Opt_AlternativeLayoutRule
    st <- lift $ getGHCiState
    let buf =  stringToStringBuffer stmt
-       loc  = mkSrcLoc (fsLit (progname st)) (line_number st) 1
+       loc  = mkSrcLoc (fsLit (progname st)) line_number 1
        pstate = Lexer.mkPState dflags buf loc
    case Lexer.unP goToEnd pstate of
      (Lexer.POk _ False) -> return $ Just stmt
@@ -697,7 +697,7 @@ checkInputForLayout stmt getStmt = do
          Nothing  -> return Nothing
          Just str -> if str == ""
            then return $ Just stmt
-           else checkInputForLayout (stmt++"\n"++str) getStmt
+           else checkInputForLayout (stmt++"\n"++str) (line_number+1) getStmt
      where goToEnd = do
              eof <- Lexer.nextIsEOF
              if eof 
-- 
1.7.10.4