wibble

[ghc-hetmet.git] / compiler / ghci / InteractiveUI.hs

diff --git a/compiler/ghci/InteractiveUI.hs b/compiler/ghci/InteractiveUI.hs
index 78b65bf..055b716 100644 (file)
--- a/compiler/ghci/InteractiveUI.hs
+++ b/compiler/ghci/InteractiveUI.hs
@@ -70,6 +70,7 @@ import System.Exit    ( exitWith, ExitCode(..) )
 import System.Directory
 import System.IO
 import System.IO.Error as IO
+import System.FilePath
 import Data.Char
 import Data.Dynamic
 import Data.Array
@@ -555,6 +556,7 @@ runCommandEval c = ghciHandle handleEval (doCommand c)
 runStmt :: String -> SingleStep -> GHCi Bool
 runStmt stmt step
  | null (filter (not.isSpace) stmt) = return False
+ | ["import", mod] <- words stmt    = keepGoing setContext ('+':mod)
  | otherwise
  = do st <- getGHCiState
       session <- getSession
@@ -1677,7 +1679,8 @@ findBreakByCoord :: Maybe FastString -> (Int,Int) -> TickArray
 findBreakByCoord mb_file (line, col) arr
   | not (inRange (bounds arr) line) = Nothing
   | otherwise =
-    listToMaybe (sortBy rightmost contains)
+    listToMaybe (sortBy rightmost contains) `mplus`
+    listToMaybe (sortBy leftmost_smallest after_here)
   where 
         ticks = arr ! line
 
@@ -1689,6 +1692,10 @@ findBreakByCoord mb_file (line, col) arr
                  | Just f <- mb_file = GHC.srcSpanFile span == f
                  | otherwise         = True
 
+        after_here = [ tick | tick@(nm,span) <- ticks,
+                              GHC.srcSpanStartLine span == line,
+                              GHC.srcSpanStartCol span >= col ]
+
 
 leftmost_smallest  (_,a) (_,b) = a `compare` b
 leftmost_largest   (_,a) (_,b) = (GHC.srcSpanStart a `compare` GHC.srcSpanStart b)
@@ -1769,7 +1776,8 @@ listModuleLine modl line = do
 -- If the highlight flag is True, also highlight the span using
 -- start_bold/end_bold.
 listAround span do_highlight = do
-      contents <- BS.readFile (unpackFS file)
+      pwd      <- getEnv "PWD" 
+      contents <- BS.readFile (pwd </> unpackFS file)
       let 
           lines = BS.split '\n' contents
           these_lines = take (line2 - line1 + 1 + pad_before + pad_after) $