Added treatment of transfer modules. Aggregation is an example.

src/GF/Canon/AbsGFC.hs

@@ -5,6 +5,7 @@ import Ident --H
 -- Haskell module generated by the BNF converter, except --H
 
 -- newtype Ident = Ident String deriving (Eq,Ord,Show) --H
+
 data Canon =
    Gr [Module]
   deriving (Eq,Ord,Show)
@@ -17,6 +18,7 @@ data ModType =
    MTAbs Ident
  | MTCnc Ident Ident
  | MTRes Ident
+ | MTTrans Ident Ident Ident
   deriving (Eq,Ord,Show)
 
 data Extend =
@@ -36,6 +38,7 @@ data Flag =
 data Def =
    AbsDCat Ident [Decl] [CIdent]
  | AbsDFun Ident Exp Exp
+ | AbsDTrans Ident Exp
  | ResDPar Ident [ParDef]
  | ResDOper Ident CType Term
  | CncDCat Ident CType Term Term