X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FcoreSyn%2FExternalCore.lhs;h=07a1dfbd8ee1b8bcc7f48a41d2be7ba071425d1d;hb=21eeb926c8bf398e38919429d2375b78be45b14b;hp=09a6e7f7daeb8c2d69b01d6690e66298e0734544;hpb=0065d5ab628975892cea1ec7303f968c3338cbe1;p=ghc-hetmet.git diff --git a/compiler/coreSyn/ExternalCore.lhs b/compiler/coreSyn/ExternalCore.lhs index 09a6e7f..07a1dfb 100644 --- a/compiler/coreSyn/ExternalCore.lhs +++ b/compiler/coreSyn/ExternalCore.lhs @@ -1,8 +1,7 @@ % -% (c) The University of Glasgow 2001 +% (c) The University of Glasgow 2001-2006 % \begin{code} - module ExternalCore where @@ -11,17 +10,19 @@ data Module 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 = (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) @@ -32,9 +33,11 @@ data Exp | Lam Bind Exp | Let Vdefg Exp | Case Exp Vbind Ty [Alt] {- non-empty list -} - | Coerce Ty Exp + | 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 @@ -53,12 +56,24 @@ data Ty | 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 | Kunlifted + | Kunboxed | Kopen | Karrow Kind Kind + | Keq Ty Ty data Lit = Lint Integer Ty @@ -77,10 +92,13 @@ type Qual t = (Mname,t) 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}