X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Frename%2FRnExpr.lhs;h=1c80bc0101bb4c28af993991731ced3f96ece765;hb=3a99fa889bdff0c86df20cb18c71d30e30a79b43;hp=049123e77770717879ae614fd7360706ab5ae4fd;hpb=e6d057711f4d6d6ff6342c39fa2b9e44d25447f1;p=ghc-hetmet.git

diff --git a/compiler/rename/RnExpr.lhs b/compiler/rename/RnExpr.lhs
index 049123e..1c80bc0 100644
--- a/compiler/rename/RnExpr.lhs
+++ b/compiler/rename/RnExpr.lhs
@@ -23,6 +23,8 @@ import HsSyn
 import RnHsSyn
 import TcRnMonad
 import RnEnv
+import HscTypes         ( availNames )
+import OccName		( plusOccEnv )
 import RnNames		( getLocalDeclBinders, extendRdrEnvRn )
 import RnTypes		( rnHsTypeFVs, rnLPat, rnOverLit, rnPatsAndThen, rnLit,
 			  mkOpFormRn, mkOpAppRn, mkNegAppRn, checkSectionPrec, 
@@ -33,13 +35,7 @@ import SrcLoc           ( SrcSpan )
 import PrelNames	( thFAKE, hasKey, assertIdKey, assertErrorName,
 			  loopAName, choiceAName, appAName, arrAName, composeAName, firstAName,
 			  negateName, thenMName, bindMName, failMName )
-#if defined(GHCI) && defined(BREAKPOINT)
-import PrelNames        ( breakpointJumpName, breakpointCondJumpName
-                        , undefined_RDR, breakpointIdKey, breakpointCondIdKey )
-import UniqFM           ( eltsUFM )
-import DynFlags         ( GhcMode(..) )
-import Name             ( isTyVarName )
-#endif
+
 import Name		( Name, nameOccName, nameIsLocalOrFrom )
 import NameSet
 import RdrName		( RdrName, extendLocalRdrEnv, lookupLocalRdrEnv, hideSomeUnquals )
@@ -104,22 +100,6 @@ rnExpr (HsVar v)
                       && not ignore_asserts,
                       do (e, fvs) <- mkAssertErrorExpr
                          return (e, fvs `addOneFV` name))
-#if defined(GHCI) && defined(BREAKPOINT)
-                   , (name `hasKey` breakpointIdKey
-                      && not ignore_breakpoints
-                      && ghcMode == Interactive,
-                         do let isWantedName = not.isTyVarName
-                            (e, fvs) <- mkBreakpointExpr (filter isWantedName (eltsUFM localRdrEnv))
-                            return (e, fvs `addOneFV` name)
-                     )
-                   , (name `hasKey` breakpointCondIdKey
-                      && not ignore_breakpoints
-                      && ghcMode == Interactive,
-                         do let isWantedName = not.isTyVarName
-                            (e, fvs) <- mkBreakpointCondExpr (filter isWantedName (eltsUFM localRdrEnv))
-                            return (e, fvs `addOneFV` name)
-                     )
-#endif
                    ]
        case lookup True conds of
          Just action -> action
@@ -248,9 +228,10 @@ rnExpr (RecordUpd expr rbinds _ _)
 	     fvExpr `plusFV` fvRbinds)
 
 rnExpr (ExprWithTySig expr pty)
-  = rnLExpr expr		`thenM` \ (expr', fvExpr) ->
-    rnHsTypeFVs doc pty		`thenM` \ (pty', fvTy) ->
-    returnM (ExprWithTySig expr' pty', fvExpr `plusFV` fvTy)
+  = do	{ (pty', fvTy) <- rnHsTypeFVs doc pty
+	; (expr', fvExpr) <- bindSigTyVarsFV (hsExplicitTvs pty') $
+		  	     rnLExpr expr
+	; return (ExprWithTySig expr' pty', fvExpr `plusFV` fvTy) }
   where 
     doc = text "In an expression type signature"
 
@@ -572,12 +553,13 @@ rnBracket (DecBr group)
 	-- confuse the Names for the current module.  
 	-- By using a pretend module, thFAKE, we keep them safely out of the way.
 
-	; names <- getLocalDeclBinders gbl_env1 group
+	; avails <- getLocalDeclBinders gbl_env1 group
+        ; let names = concatMap availNames avails
 
 	; let new_occs = map nameOccName names
 	      trimmed_rdr_env = hideSomeUnquals (tcg_rdr_env gbl_env) new_occs
 
-	; rdr_env' <- extendRdrEnvRn trimmed_rdr_env names
+	; rdr_env' <- extendRdrEnvRn trimmed_rdr_env avails
 	-- In this situation we want to *shadow* top-level bindings.
 	--	foo = 1
 	--	bar = [d| foo = 1|]
@@ -941,48 +923,14 @@ segsToStmts ((defs, uses, fwds, ss) : segs) fvs_later
 
 %************************************************************************
 %*									*
-\subsubsection{breakpoint utils}
+\subsubsection{Assertion utils}
 %*									*
 %************************************************************************
 
 \begin{code}
-#if defined(GHCI) && defined(BREAKPOINT)
-mkBreakpointExpr :: [Name] -> RnM (HsExpr Name, FreeVars)
-mkBreakpointExpr = mkBreakpointExpr' breakpointJumpName
-
-mkBreakpointCondExpr :: [Name] -> RnM (HsExpr Name, FreeVars)
-mkBreakpointCondExpr = mkBreakpointExpr' breakpointCondJumpName
-
-mkBreakpointExpr' :: Name -> [Name] -> RnM (HsExpr Name, FreeVars)
-mkBreakpointExpr' breakpointFunc scope
-    = do sloc <- getSrcSpanM
-         undef <- lookupOccRn undefined_RDR
-         let inLoc = L sloc
-             lHsApp x y = inLoc (HsApp x y)
-             mkExpr fnName args = mkExpr' fnName (reverse args)
-             mkExpr' fnName [] = inLoc (HsVar fnName)
-             mkExpr' fnName (arg:args)
-                 = lHsApp (mkExpr' fnName args) (inLoc arg)
-             expr = unLoc $ mkExpr breakpointFunc [mkScopeArg scope, HsVar undef, msg]
-             mkScopeArg args = unLoc $ mkExpr undef (map HsVar args)
-             msg = srcSpanLit sloc
-         return (expr, emptyFVs)
-
-srcSpanLit :: SrcSpan -> HsExpr Name
-srcSpanLit span = HsLit (HsString (mkFastString (showSDoc (ppr span))))
-#endif
-
 srcSpanPrimLit :: SrcSpan -> HsExpr Name
 srcSpanPrimLit span = HsLit (HsStringPrim (mkFastString (showSDoc (ppr span))))
-\end{code}
-
-%************************************************************************
-%*									*
-\subsubsection{Assertion utils}
-%*									*
-%************************************************************************
 
-\begin{code}
 mkAssertErrorExpr :: RnM (HsExpr Name, FreeVars)
 -- Return an expression for (assertError "Foo.hs:27")
 mkAssertErrorExpr
@@ -1011,3 +959,5 @@ badIpBinds what binds
   = hang (ptext SLIT("Implicit-parameter bindings illegal in") <+> what)
 	 2 (ppr binds)
 \end{code}
+
+