%
+% (c) The University of Glasgow 2006
% (c) The GRASP/AQUA Project, Glasgow University, 1993-1998
%
- This module defines interface types and binders
+This module defines interface types and binders
\begin{code}
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+-- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
module IfaceType (
IfaceType(..), IfaceKind, IfacePredType(..), IfaceTyCon(..),
IfaceContext, IfaceBndr(..), IfaceTvBndr, IfaceIdBndr, IfaceCoercion,
#include "HsVersions.h"
-import TypeRep ( TyThing(..), Type(..), PredType(..), ThetaType,
- unliftedTypeKindTyConName, openTypeKindTyConName,
- ubxTupleKindTyConName, argTypeKindTyConName,
- liftedTypeKindTyConName )
-import TyCon ( TyCon, isTupleTyCon, tyConArity, tupleTyConBoxity, tyConName )
-import Var ( isId, tyVarKind, idType )
-import TysWiredIn ( listTyConName, parrTyConName, tupleTyCon, intTyConName, charTyConName, boolTyConName )
-import OccName ( OccName, parenSymOcc, occNameFS )
-import Name ( Name, getName, getOccName, nameModule, nameOccName,
- wiredInNameTyThing_maybe )
-import Module ( Module, ModuleName )
-import BasicTypes ( IPName(..), Arity, Version, mapIPName, tupleParens, Boxity )
+import TypeRep
+import TyCon
+import Var
+import TysWiredIn
+import Name
+import BasicTypes
import Outputable
import FastString
\end{code}
type IfaceTvBndr = (FastString, IfaceKind)
-------------------------------
-type IfaceKind = IfaceType -- Re-use the Kind type, but no KindVars in it
-
+type IfaceKind = IfaceType
type IfaceCoercion = IfaceType
data IfaceType
| IfaceTupTc Boxity Arity
| IfaceLiftedTypeKindTc | IfaceOpenTypeKindTc | IfaceUnliftedTypeKindTc
| IfaceUbxTupleKindTc | IfaceArgTypeKindTc
+ deriving( Eq )
ifaceTyConName :: IfaceTyCon -> Name
ifaceTyConName IfaceIntTc = intTyConName
\begin{code}
---------------------------------
instance Outputable IfaceType where
- ppr ty = pprIfaceTypeForUser ty
-
-pprIfaceTypeForUser ::IfaceType -> SDoc
--- Drop top-level for-alls; if that's not what you want, use pprIfaceType dire
-pprIfaceTypeForUser ty
- = pprIfaceForAllPart [] theta (pprIfaceType tau)
- where
- (_tvs, theta, tau) = splitIfaceSigmaTy ty
+ ppr ty = pprIfaceType ty
pprIfaceType, pprParendIfaceType ::IfaceType -> SDoc
pprIfaceType = ppr_ty tOP_PREC