Make compileToCore return the module name and type environment along with bindings

[ghc-hetmet.git] / compiler / main / HscTypes.lhs

diff --git a/compiler/main/HscTypes.lhs b/compiler/main/HscTypes.lhs
index abebd14..7aacf95 100644 (file)
--- a/compiler/main/HscTypes.lhs
+++ b/compiler/main/HscTypes.lhs
@@ -13,7 +13,7 @@ module HscTypes (
        ModuleGraph, emptyMG,
 
        ModDetails(..), emptyModDetails,
-       ModGuts(..), CgGuts(..), ModImports(..), ForeignStubs(..),
+       ModGuts(..), CoreModule(..), CgGuts(..), ModImports(..), ForeignStubs(..),
 
        ModSummary(..), ms_mod_name, showModMsg, isBootSummary,
        msHsFilePath, msHiFilePath, msObjFilePath, 
@@ -548,6 +548,22 @@ 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]
+    }
+
+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: