%
+% (c) The University of Glasgow 2006
% (c) The GRASP/AQUA Project, Glasgow University, 1992-1998
%
\section{@Vars@: Variables}
#include "HsVersions.h"
-import {-# SOURCE #-} TypeRep( Type, Kind, isCoSuperKind )
+import {-# SOURCE #-} TypeRep( Type, Kind )
import {-# SOURCE #-} TcType( TcTyVarDetails, pprTcTyVarDetails )
-import {-# SOURCE #-} IdInfo( GlobalIdDetails, notGlobalId, IdInfo, seqIdInfo )
-
-import Name ( Name, NamedThing(..),
- setNameUnique, nameUnique, mkSysTvName,
- mkSystemVarName
- )
-import Unique ( Unique, Uniquable(..), mkUniqueGrimily, getKey#,
- mkBuiltinUnique )
+import {-# SOURCE #-} IdInfo( GlobalIdDetails, notGlobalId,
+ IdInfo, seqIdInfo )
+#ifdef DEBUG
+import {-# SOURCE #-} TypeRep( isCoercionKind )
+#endif
+
+import Name hiding (varName)
+import Unique
import FastTypes
import FastString
import Outputable
\begin{code}
mkTyVar :: Name -> Kind -> TyVar
-mkTyVar name kind = TyVar { varName = name
+mkTyVar name kind = ASSERT( not (isCoercionKind kind ) )
+ TyVar { varName = name
, realUnique = getKey# (nameUnique name)
, tyVarKind = kind
, isCoercionVar = False
mkTcTyVar :: Name -> Kind -> TcTyVarDetails -> TyVar
mkTcTyVar name kind details
- = TcTyVar { varName = name,
+ = ASSERT( not (isCoercionKind kind) )
+ TcTyVar { varName = name,
realUnique = getKey# (nameUnique name),
tyVarKind = kind,
tcTyVarDetails = details
}
-
-mkWildCoVar :: Kind -> TyVar
--- A type variable that is never referred to,
--- so its unique doesn't matter
-mkWildCoVar kind
- = TyVar { varName = mkSysTvName wild_uniq FSLIT("co_wild"),
- realUnique = _ILIT(1),
- tyVarKind = kind,
- isCoercionVar = True }
- where
- wild_uniq = mkBuiltinUnique 1
\end{code}
%************************************************************************
setCoVarName = setVarName
mkCoVar :: Name -> Kind -> CoVar
-mkCoVar name kind = TyVar { varName = name
+mkCoVar name kind = ASSERT( isCoercionKind kind )
+ TyVar { varName = name
, realUnique = getKey# (nameUnique name)
, tyVarKind = kind
, isCoercionVar = True
}
+mkWildCoVar :: Kind -> TyVar
+-- A type variable that is never referred to,
+-- so its unique doesn't matter
+mkWildCoVar kind
+ = ASSERT( isCoercionKind kind )
+ TyVar { varName = mkSysTvName wild_uniq FSLIT("co_wild"),
+ realUnique = _ILIT(1),
+ tyVarKind = kind,
+ isCoercionVar = True }
+ where
+ wild_uniq = mkBuiltinUnique 1
\end{code}
%************************************************************************