X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;ds=sidebyside;f=AST.dcl;h=b005f62577c8be8bbd628dc1250fc316779d0505;hb=1f77588b4d69fdb9f8880864240458efd5b51561;hp=463c7b7b3dfbfd193c834500a721b8d5eca40116;hpb=220cb1cc56feab3f818503838b3afd7ea2225403;p=cc1516.git

diff --git a/AST.dcl b/AST.dcl
index 463c7b7..b005f62 100644
--- a/AST.dcl
+++ b/AST.dcl
@@ -1,19 +1,21 @@
 definition module AST
 
 from Data.Maybe import :: Maybe
-from StdOverloaded import class toString, class ==, class zero
+from StdOverloaded import class toString, class ==, class zero, class <
 
 :: Pos = {line :: Int, col :: Int}
 :: AST = AST [FunDecl]
 :: VarDecl = VarDecl Pos (Maybe Type) String Expr
+:: TVar :== String
 :: Type 
 	= TupleType (Type, Type)
 	| ListType Type
-	| IdType String 
+	| IdType TVar 
 	| IntType 
 	| BoolType
 	| CharType
     | VoidType
+	| FuncType Type
     | (->>) infixl 7 Type Type
 :: Expr 
 	= VarExpr Pos VarDef
@@ -25,6 +27,7 @@ from StdOverloaded import class toString, class ==, class zero
 	| FunExpr Pos String [Expr] [FieldSelector]
 	| EmptyListExpr Pos 
 	| TupleExpr Pos (Expr, Expr)
+    | LambdaExpr Pos [String] Expr
 :: VarDef = VarDef String [FieldSelector]
 :: FieldSelector = FieldHd | FieldTl | FieldFst | FieldSnd
 :: Op1 = UnNegation | UnMinus
@@ -35,11 +38,21 @@ from StdOverloaded import class toString, class ==, class zero
 	= IfStmt Expr [Stmt] [Stmt]
 	| WhileStmt Expr [Stmt]
 	| AssStmt VarDef Expr
-	| FunStmt String [Expr]
+	| FunStmt String [Expr] [FieldSelector]
 	| ReturnStmt (Maybe Expr)
 
 instance toString Pos
 instance toString Type
 instance toString AST
+instance toString FieldSelector
+instance toString Op2
+instance toString Expr
+instance toString VarDecl
+instance toString FunDecl
 
 instance zero Pos
+instance == Op1
+instance == Op2
+instance < Op1
+instance < Op2
+instance == Type