Add {-# OPTIONS_GHC -w #-} and some blurb to all compiler modules

[ghc-hetmet.git] / compiler / ghci / ByteCodeLink.lhs

diff --git a/compiler/ghci/ByteCodeLink.lhs b/compiler/ghci/ByteCodeLink.lhs
index 9988325..a741772 100644 (file)
--- a/compiler/ghci/ByteCodeLink.lhs
+++ b/compiler/ghci/ByteCodeLink.lhs
@@ -6,10 +6,17 @@ ByteCodeLink: Bytecode assembler and linker
 \begin{code}
 {-# OPTIONS -optc-DNON_POSIX_SOURCE #-}
 
+{-# OPTIONS_GHC -w #-}
+-- 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/WorkingConventions#Warnings
+-- for details
+
 module ByteCodeLink ( 
        HValue, 
        ClosureEnv, emptyClosureEnv, extendClosureEnv,
-       linkBCO, lookupStaticPtr
+       linkBCO, lookupStaticPtr, lookupName
        ,lookupIE
   ) where
 
@@ -27,7 +34,6 @@ import Module
 import PackageConfig
 import FastString
 import Panic
-import Breakpoints
 
 #ifdef DEBUG
 import Outputable
@@ -47,7 +53,7 @@ import GHC.Exts
 import GHC.Arr         ( Array(..) )
 import GHC.IOBase      ( IO(..) )
 import GHC.Ptr         ( Ptr(..), castPtr )
-import GHC.Base                ( writeArray#, RealWorld, Int(..) )
+import GHC.Base                ( writeArray#, RealWorld, Int(..), Word# )  
 \end{code}
 
 
@@ -59,7 +65,7 @@ import GHC.Base               ( writeArray#, RealWorld, Int(..) )
 
 \begin{code}
 type ClosureEnv = NameEnv (Name, HValue)
-newtype HValue = HValue (forall a . a)
+newtype HValue = HValue Any
 
 emptyClosureEnv = emptyNameEnv
 
@@ -118,11 +124,11 @@ linkBCO' ie ce (UnlinkedBCO nm arity insns_barr bitmap literalsSS ptrsSS)
        ptrs_arr <- mkPtrsArray ie ce n_ptrs ptrs
 
         let 
-            ptrs_parr = case ptrs_arr of Array lo hi parr -> parr
+            ptrs_parr = case ptrs_arr of Array _lo _hi _n parr -> parr
 
             literals_arr = listArray (0, n_literals-1) linked_literals
                            :: UArray Int Word
-            literals_barr = case literals_arr of UArray lo hi barr -> barr
+            literals_barr = case literals_arr of UArray _lo _hi _n barr -> barr
 
            (I# arity#)  = arity
 
@@ -143,6 +149,10 @@ mkPtrsArray ie ce n_ptrs ptrs = do
     fill (BCOPtrBCO ul_bco) i = do
        BCO bco# <- linkBCO' ie ce ul_bco
        writeArrayBCO marr i bco#
+    fill (BCOPtrBreakInfo brkInfo) i =                    
+        unsafeWrite marr i (unsafeCoerce# brkInfo)
+    fill (BCOPtrArray brkArray) i =                    
+        unsafeWrite marr i (unsafeCoerce# brkArray)
   zipWithM fill ptrs [0..]
   unsafeFreeze marr
 
@@ -150,6 +160,7 @@ newtype IOArray i e = IOArray (STArray RealWorld i e)
 
 instance MArray IOArray e IO where
     getBounds (IOArray marr) = stToIO $ getBounds marr
+    getNumElements (IOArray marr) = stToIO $ getNumElements marr
     newArray lu init = stToIO $ do
         marr <- newArray lu init; return (IOArray marr)
     newArray_ lu = stToIO $ do
@@ -159,14 +170,20 @@ instance MArray IOArray e IO where
 
 -- XXX HACK: we should really have a new writeArray# primop that takes a BCO#.
 writeArrayBCO :: IOArray Int a -> Int -> BCO# -> IO ()
-writeArrayBCO (IOArray (STArray _ _ marr#)) (I# i#) bco# = IO $ \s# ->
+writeArrayBCO (IOArray (STArray _ _ _ marr#)) (I# i#) bco# = IO $ \s# ->
   case (unsafeCoerce# writeArray#) marr# i# bco# s# of { s# ->
   (# s#, () #) }
 
+{-
+writeArrayMBA :: IOArray Int a -> Int -> MutableByteArray# a -> IO ()
+writeArrayMBA (IOArray (STArray _ _ marr#)) (I# i#) mba# = IO $ \s# ->
+  case (unsafeCoerce# writeArray#) marr# i# bco# s# of { s# ->
+  (# s#, () #) }
+-}
+
 data BCO = BCO BCO#
 
-newBCO :: ByteArray# -> ByteArray# -> Array# a
-        -> Int# -> ByteArray# -> IO BCO
+newBCO :: ByteArray# -> ByteArray# -> Array# a -> Int# -> ByteArray# -> IO BCO
 newBCO instrs lits ptrs arity bitmap
    = IO $ \s -> case newBCO# instrs lits ptrs arity bitmap s of 
                  (# s1, bco #) -> (# s1, BCO bco #)
@@ -201,8 +218,6 @@ lookupName :: ClosureEnv -> Name -> IO HValue
 lookupName ce nm
    = case lookupNameEnv ce nm of
         Just (_,aa) -> return aa
-        Nothing | Just bk <- lookupBogusBreakpointVal nm
-           -> return bk
         Nothing 
            -> ASSERT2(isExternalName nm, ppr nm)
              do let sym_to_find = nameToCLabel nm "closure"