% (c) The University of Glasgow 2001-2006
%
\begin{code}
-
module ExternalCore where
data Tdef
= Data (Qual Tcon) [Tbind] [Cdef]
- | Newtype (Qual Tcon) [Tbind] (Maybe Ty)
+ | Newtype (Qual Tcon) (Qual Tcon) [Tbind] Ty
data Cdef
- = Constr Dcon [Tbind] [Ty]
- | GadtConstr Dcon Ty
+ = Constr (Qual Dcon) [Tbind] [Ty]
+ | GadtConstr (Qual Dcon) Ty
data Vdefg
= Rec [Vdef]
| Nonrec Vdef
-type Vdef = (Bool,Var,Ty,Exp) -- Top level bindings are unqualified now
+-- Top-level bindings are qualified, so that the printer doesn't have to pass
+-- around the module name.
+type Vdef = (Bool,Qual Var,Ty,Exp)
data Exp
= Var (Qual Var)
| Case Exp Vbind Ty [Alt] {- non-empty list -}
| Cast Exp Ty
| Note String Exp
- | External String Ty
+ | External String String Ty {- target name, convention, and type -}
+ | DynExternal String Ty {- convention and type (incl. Addr# of target as first arg) -}
+ | Label String
data Bind
= Vb Vbind
| Tcon (Qual Tcon)
| Tapp Ty Ty
| Tforall Tbind Ty
+-- We distinguish primitive coercions
+-- (represented in GHC by wired-in names), because
+-- External Core treats them specially, so we have
+-- to print them out with special syntax.
+ | TransCoercion Ty Ty
+ | SymCoercion Ty
+ | UnsafeCoercion Ty Ty
+ | InstCoercion Ty Ty
+ | LeftCoercion Ty
+ | RightCoercion Ty
data Kind
= Klifted
| Kunboxed
| Kopen
| Karrow Kind Kind
+ | Keq Ty Ty
data Lit
= Lint Integer Ty
type Id = String
-primMname = "GHCziPrim"
+primMname :: Mname
+-- For truly horrible reasons, this must be z-encoded.
+-- With any hope, the z-encoding will die soon.
+primMname = "ghczmprim:GHCziPrim"
tcArrow :: Qual Tcon
-tcArrow = (primMname, "ZLzmzgZR")
+tcArrow = (primMname, "(->)")
\end{code}