X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FHscTypes.lhs;h=7ad34ace635c4fc315e9a0e8302676d168e7f7dd;hb=c8b37bf43c61c2fc42ec6ba4ad57f631a59fc2d4;hp=abebd14b6b4e956e03bfb8690453d37a88490d1d;hpb=6a05ec5ef5373f61b7f9f5bdc344483417fa801b;p=ghc-hetmet.git

diff --git a/compiler/main/HscTypes.lhs b/compiler/main/HscTypes.lhs
index abebd14..7ad34ac 100644
--- a/compiler/main/HscTypes.lhs
+++ b/compiler/main/HscTypes.lhs
@@ -13,7 +13,8 @@ module HscTypes (
 	ModuleGraph, emptyMG,
 
 	ModDetails(..),	emptyModDetails,
-	ModGuts(..), CgGuts(..), ModImports(..), ForeignStubs(..),
+	ModGuts(..), CoreModule(..), CgGuts(..), ModImports(..), ForeignStubs(..),
+        ImportedMods,
 
 	ModSummary(..), ms_mod_name, showModMsg, isBootSummary,
 	msHsFilePath, msHiFilePath, msObjFilePath, 
@@ -95,7 +96,7 @@ import Type
 
 import Class		( Class, classSelIds, classATs, classTyCon )
 import TyCon
-import DataCon		( DataCon, dataConImplicitIds )
+import DataCon		( DataCon, dataConImplicitIds, dataConWrapId )
 import PrelNames	( gHC_PRIM )
 import Packages hiding ( Version(..) )
 import DynFlags		( DynFlags(..), isOneShot, HscTarget (..) )
@@ -283,7 +284,7 @@ lookupIfaceByModule dflags hpt pit mod
 -- (a) In OneShot mode, even home-package modules accumulate in the PIT
 -- (b) Even in Batch (--make) mode, there is *one* case where a home-package
 --     module is in the PIT, namely GHC.Prim when compiling the base package.
--- We could eliminate (b) if we wanted, by making GHC.Prim belong to a packake
+-- We could eliminate (b) if we wanted, by making GHC.Prim belong to a package
 -- of its own, but it doesn't seem worth the bother.
 \end{code}
 
@@ -509,6 +510,8 @@ emptyModDetails = ModDetails { md_types = emptyTypeEnv,
 -- being compiled right now.  Once it is compiled, a ModIface and 
 -- ModDetails are extracted and the ModGuts is dicarded.
 
+type ImportedMods = ModuleEnv (Module, [(ModuleName, Bool, SrcSpan)])
+
 data ModGuts
   = ModGuts {
         mg_module    :: !Module,
@@ -516,9 +519,9 @@ data ModGuts
 	mg_exports   :: ![AvailInfo],	 -- What it exports
 	mg_deps	     :: !Dependencies,	 -- What is below it, directly or
 					 --   otherwise 
-	mg_dir_imps  :: ![Module],	 -- Directly-imported modules; used to
+	mg_dir_imps  :: !ImportedMods,	 -- Directly-imported modules; used to
 					 --	generate initialisation code
-	mg_usages    :: ![Usage],	 -- Version info for what it needed
+	mg_used_names:: !NameSet,	 -- What it needed (used in mkIface)
 
         mg_rdr_env   :: !GlobalRdrEnv,	 -- Top-level lexical environment
 
@@ -548,6 +551,24 @@ data ModGuts
 					 -- this one); c.f. tcg_fam_inst_env
     }
 
+-- A CoreModule consists of just the fields of a ModGuts that are needed for
+-- the compileToCoreModule interface.
+data CoreModule
+  = CoreModule {
+      -- Module name
+      cm_module   :: !Module,
+      -- Type environment for types declared in this module
+      cm_types    :: !TypeEnv,
+      -- Declarations
+      cm_binds    :: [CoreBind],
+      -- Imports
+      cm_imports  :: ![Module]
+    }
+
+instance Outputable CoreModule where
+   ppr (CoreModule {cm_module = mn, cm_types = te, cm_binds = cb}) =
+      text "%module" <+> ppr mn <+> ppr te $$ vcat (map ppr cb)
+
 -- The ModGuts takes on several slightly different forms:
 --
 -- After simplification, the following fields change slightly:
@@ -940,8 +961,9 @@ tyThingDataCon (ADataCon dc) = dc
 tyThingDataCon other	     = pprPanic "tyThingDataCon" (pprTyThing other)
 
 tyThingId :: TyThing -> Id
-tyThingId (AnId id) = id
-tyThingId other     = pprPanic "tyThingId" (pprTyThing other)
+tyThingId (AnId id)     = id
+tyThingId (ADataCon dc) = dataConWrapId dc
+tyThingId other         = pprPanic "tyThingId" (pprTyThing other)
 \end{code}
 
 %************************************************************************
@@ -1462,7 +1484,9 @@ data Unlinked
    | BCOs CompiledByteCode ModBreaks
 
 #ifndef GHCI
-data CompiledByteCode
+data CompiledByteCode = CompiledByteCodeUndefined
+_unused :: CompiledByteCode
+_unused = CompiledByteCodeUndefined
 #endif
 
 instance Outputable Unlinked where