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Make -ddump-to-file truncate existing files.
[ghc-hetmet.git]
/
compiler
/
coreSyn
/
ExternalCore.lhs
diff --git
a/compiler/coreSyn/ExternalCore.lhs
b/compiler/coreSyn/ExternalCore.lhs
index
8c00131
..
359419c
100644
(file)
--- a/
compiler/coreSyn/ExternalCore.lhs
+++ b/
compiler/coreSyn/ExternalCore.lhs
@@
-1,27
+1,27
@@
%
%
-% (c) The University of Glasgow 2001
+% (c) The University of Glasgow 2001-2006
%
\begin{code}
%
\begin{code}
-
module ExternalCore where
module ExternalCore where
-
data Module
= Module Mname [Tdef] [Vdefg]
data Tdef
= Data (Qual Tcon) [Tbind] [Cdef]
data Module
= Module Mname [Tdef] [Vdefg]
data Tdef
= Data (Qual Tcon) [Tbind] [Cdef]
- | Newtype (Qual Tcon) [Tbind] (Maybe Ty)
+ | Newtype (Qual Tcon) (Qual Tcon) [Tbind] Ty
data Cdef
data Cdef
- = Constr Dcon [Tbind] [Ty]
- | GadtConstr Dcon Ty
+ = Constr (Qual Dcon) [Tbind] [Ty]
+ | GadtConstr (Qual Dcon) Ty
data Vdefg
= Rec [Vdef]
| Nonrec Vdef
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)
data Exp
= Var (Qual Var)
@@
-34,7
+34,9
@@
data Exp
| Case Exp Vbind Ty [Alt] {- non-empty list -}
| Cast Exp Ty
| Note String Exp
| 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
data Bind
= Vb Vbind
@@
-48,11
+50,21
@@
data Alt
type Vbind = (Var,Ty)
type Tbind = (Tvar,Kind)
type Vbind = (Var,Ty)
type Tbind = (Tvar,Kind)
+-- Internally, we represent types and coercions separately; but for
+-- the purposes of external core (at least for now) it's still
+-- convenient to collapse them into a single type.
data Ty
= Tvar Tvar
| Tcon (Qual Tcon)
| Tapp Ty Ty
| Tforall Tbind Ty
data Ty
= Tvar Tvar
| Tcon (Qual Tcon)
| Tapp Ty Ty
| Tforall Tbind Ty
+-- We distinguish primitive coercions 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
+ | NthCoercion Int Ty
data Kind
= Klifted
data Kind
= Klifted
@@
-60,6
+72,7
@@
data Kind
| Kunboxed
| Kopen
| Karrow Kind Kind
| Kunboxed
| Kopen
| Karrow Kind Kind
+ | Keq Ty Ty
data Lit
= Lint Integer Ty
data Lit
= Lint Integer Ty
@@
-78,10
+91,13
@@
type Qual t = (Mname,t)
type Id = String
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 :: Qual Tcon
-tcArrow = (primMname, "ZLzmzgZR")
+tcArrow = (primMname, "(->)")
\end{code}
\end{code}