X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fiface%2FLoadIface.lhs;h=8c496f76efcbfe12d315629e66b90fc854fc28c7;hb=9d7da331989abcd1844e9d03b8d1e4163796fa85;hp=9415ac07586957f9988e5c2232cd11e90e091868;hpb=dd313897eb9a14bcc7b81f97e4f2292c30039efd;p=ghc-hetmet.git

diff --git a/ghc/compiler/iface/LoadIface.lhs b/ghc/compiler/iface/LoadIface.lhs
index 9415ac0..8c496f7 100644
--- a/ghc/compiler/iface/LoadIface.lhs
+++ b/ghc/compiler/iface/LoadIface.lhs
@@ -5,10 +5,10 @@
 
 \begin{code}
 module LoadIface (
-	loadHomeInterface, loadInterface, loadDecls,
-	loadSrcInterface, loadOrphanModules, 
+	loadInterface, loadHomeInterface, loadWiredInHomeIface, 
+	loadSrcInterface, loadSysInterface, loadOrphanModules, 
 	findAndReadIface, readIface,	-- Used when reading the module's old interface
-	ifaceStats, discardDeclPrags,
+	loadDecls, ifaceStats, discardDeclPrags,
 	initExternalPackageState
    ) where
 
@@ -20,8 +20,7 @@ import Packages		( PackageState(..), PackageIdH(..), isHomePackage )
 import DynFlags		( DynFlags(..), DynFlag( Opt_IgnoreInterfacePragmas ),
 			  isOneShot )
 import IfaceSyn		( IfaceDecl(..), IfaceConDecl(..), IfaceClassOp(..),
-			  IfaceConDecls(..), IfaceExpr(..), IfaceIdInfo(..), 
-			  IfaceType(..), IfaceExtName )
+			  IfaceConDecls(..), IfaceIdInfo(..) )
 import IfaceEnv		( newGlobalBinder )
 import HscTypes		( ModIface(..), TyThing, emptyModIface, EpsStats(..),
 			  addEpsInStats, ExternalPackageState(..),
@@ -41,12 +40,12 @@ import PrelRules	( builtinRules )
 import Rules		( extendRuleBaseList, mkRuleBase )
 import InstEnv		( emptyInstEnv, extendInstEnvList )
 import Name		( Name {-instance NamedThing-}, getOccName,
-			  nameModule, isInternalName )
+			  nameModule, nameIsLocalOrFrom, isWiredInName )
 import NameEnv
 import MkId		( seqId )
 import Module		( Module, ModLocation(ml_hi_file), emptyModuleEnv, 
 			  addBootSuffix_maybe,
-			  extendModuleEnv, lookupModuleEnv, moduleUserString
+			  extendModuleEnv, lookupModuleEnv, moduleString
 			)
 import OccName		( OccName, mkOccEnv, lookupOccEnv, mkClassTyConOcc, mkClassDataConOcc,
 			  mkSuperDictSelOcc, mkDataConWrapperOcc, mkDataConWorkerOcc )
@@ -102,8 +101,24 @@ loadOrphanModules mods
 ---------------
 loadHomeInterface :: SDoc -> Name -> TcRn ModIface
 loadHomeInterface doc name
-  = ASSERT2( not (isInternalName name), ppr name <+> parens doc )
-    initIfaceTcRn $ loadSysInterface doc (nameModule name)
+  = do	{ 
+#ifdef DEBUG
+		-- Should not be called with a name from the module being compiled
+	  this_mod <- getModule
+	; ASSERT2( not (nameIsLocalOrFrom this_mod name), ppr name <+> parens doc )
+#endif
+	  initIfaceTcRn $ loadSysInterface doc (nameModule name)
+    }
+
+---------------
+loadWiredInHomeIface :: Name -> IfM lcl ()
+-- A IfM function to load the home interface for a wired-in thing,
+-- so that we're sure that we see its instance declarations and rules
+loadWiredInHomeIface name
+  = ASSERT( isWiredInName name )
+    do { loadSysInterface doc (nameModule name); return () }
+  where
+    doc = ptext SLIT("Need home interface for wired-in thing") <+> ppr name
 
 ---------------
 loadSysInterface :: SDoc -> Module -> IfM lcl ModIface
@@ -191,7 +206,7 @@ loadInterface doc_str mod from
 		| otherwise ->
 
 	let 
-	    loc_doc = text file_path <+> colon
+	    loc_doc = text file_path
 	in 
 	initIfaceLcl mod loc_doc $ do
 
@@ -297,7 +312,7 @@ loadDecl ignore_prags mod (_version, decl)
 	-- imported name, to fix the module correctly in the cache
     mk_new_bndr mod mb_parent occ 
 	= newGlobalBinder mod occ mb_parent 
-			  (importedSrcLoc (moduleUserString mod))
+			  (importedSrcLoc (moduleString mod))
 
     doc = ptext SLIT("Declaration for") <+> ppr (ifName decl)