X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcRnMonad.lhs;h=79282899418541fd227e912652a94f9e934db244;hb=a01188d12783adf93b1b6c5a08de1dfa0abf55f2;hp=e6d75e3a6509740f84e327d0e4926cbaac9a4818;hpb=49c98d143c382a1341e1046f5ca00819a25691ba;p=ghc-hetmet.git

diff --git a/compiler/typecheck/TcRnMonad.lhs b/compiler/typecheck/TcRnMonad.lhs
index e6d75e3..7928289 100644
--- a/compiler/typecheck/TcRnMonad.lhs
+++ b/compiler/typecheck/TcRnMonad.lhs
@@ -14,18 +14,6 @@ module TcRnMonad(
 import TcRnTypes	-- Re-export all
 import IOEnv		-- Re-export all
 
-#if defined(GHCI) && defined(BREAKPOINT)
-import TypeRep
-import Var
-import IdInfo
-import OccName
-import SrcLoc
-import TysWiredIn
-import PrelNames
-import NameEnv
-import TcEnv
-#endif
-
 import HsSyn hiding (LIE)
 import HscTypes
 import Module
@@ -47,7 +35,6 @@ import OccName
 import Bag
 import Outputable
 import UniqSupply
-import UniqFM
 import Unique
 import DynFlags
 import StaticFlags
@@ -73,15 +60,17 @@ ioToTcRn = ioToIOEnv
 \end{code}
 
 \begin{code}
+
 initTc :: HscEnv
        -> HscSource
+       -> Bool		-- True <=> retain renamed syntax trees
        -> Module 
        -> TcM r
        -> IO (Messages, Maybe r)
 		-- Nothing => error thrown by the thing inside
 		-- (error messages should have been printed already)
 
-initTc hsc_env hsc_src mod do_this
+initTc hsc_env hsc_src keep_rn_syntax mod do_this
  = do { errs_var     <- newIORef (emptyBag, emptyBag) ;
       	tvs_var      <- newIORef emptyVarSet ;
 	type_env_var <- newIORef emptyNameEnv ;
@@ -90,6 +79,10 @@ initTc hsc_env hsc_src mod do_this
 	th_var	     <- newIORef False ;
 	dfun_n_var   <- newIORef 1 ;
       	let {
+	     maybe_rn_syntax empty_val
+		| keep_rn_syntax = Just empty_val
+		| otherwise	 = Nothing ;
+			
 	     gbl_env = TcGblEnv {
 		tcg_mod      = mod,
 		tcg_src	     = hsc_src,
@@ -103,11 +96,13 @@ initTc hsc_env hsc_src mod do_this
 		tcg_inst_uses = dfuns_var,
 		tcg_th_used   = th_var,
 		tcg_exports  = [],
-		tcg_imports  = init_imports,
+		tcg_imports  = emptyImportAvails,
 		tcg_dus      = emptyDUs,
-                tcg_rn_imports = Nothing,
-                tcg_rn_exports = Nothing,
-		tcg_rn_decls = Nothing,
+
+                tcg_rn_imports = maybe_rn_syntax [],
+                tcg_rn_exports = maybe_rn_syntax [],
+		tcg_rn_decls   = maybe_rn_syntax emptyRnGroup,
+
 		tcg_binds    = emptyLHsBinds,
 		tcg_deprecs  = NoDeprecs,
 		tcg_insts    = [],
@@ -149,12 +144,6 @@ initTc hsc_env hsc_src mod do_this
 
 	return (msgs, final_res)
     }
-  where
-    init_imports = emptyImportAvails {imp_env = unitUFM (moduleName mod) []}
-	-- Initialise tcg_imports with an empty set of bindings for
-	-- this module, so that if we see 'module M' in the export
-	-- list, and there are no bindings in M, we don't bleat 
-	-- "unknown module M".
 
 initTcPrintErrors	-- Used from the interactive loop only
        :: HscEnv
@@ -162,7 +151,7 @@ initTcPrintErrors	-- Used from the interactive loop only
        -> TcM r
        -> IO (Maybe r)
 initTcPrintErrors env mod todo = do
-  (msgs, res) <- initTc env HsSrcFile mod todo
+  (msgs, res) <- initTc env HsSrcFile False mod todo
   printErrorsAndWarnings (hsc_dflags env) msgs
   return res
 \end{code}
@@ -170,28 +159,7 @@ initTcPrintErrors env mod todo = do
 \begin{code}
 addBreakpointBindings :: TcM a -> TcM a
 addBreakpointBindings thing_inside
-#if defined(GHCI) && defined(BREAKPOINT)
-  = do	{ unique <- newUnique
-        ; let { var = mkInternalName unique (mkOccName tvName "a") noSrcLoc;
-                tyvar = mkTyVar var liftedTypeKind;
-                basicType extra = (FunTy intTy
-                                   (FunTy (mkListTy unitTy)
-                                    (FunTy stringTy
-                                     (ForAllTy tyvar
-                                      (extra
-                                       (FunTy (TyVarTy tyvar)
-                                        (TyVarTy tyvar)))))));
-                breakpointJumpId
-                    = mkGlobalId VanillaGlobal breakpointJumpName
-                                 (basicType id) vanillaIdInfo;
-                breakpointCondJumpId
-                    = mkGlobalId VanillaGlobal breakpointCondJumpName
-                                 (basicType (FunTy boolTy)) vanillaIdInfo
-	  }
-	; tcExtendIdEnv [breakpointJumpId, breakpointCondJumpId] thing_inside}
-#else
    = thing_inside
-#endif
 \end{code}
 
 %************************************************************************
@@ -435,8 +403,8 @@ extendFixityEnv new_bit
   = updGblEnv (\env@(TcGblEnv { tcg_fix_env = old_fix_env }) -> 
 		env {tcg_fix_env = extendNameEnvList old_fix_env new_bit})	     
 
-getDefaultTys :: TcRn (Maybe [Type])
-getDefaultTys = do { env <- getGblEnv; return (tcg_default env) }
+getDeclaredDefaultTys :: TcRn (Maybe [Type])
+getDeclaredDefaultTys = do { env <- getGblEnv; return (tcg_default env) }
 \end{code}
 
 %************************************************************************