X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=AST.dcl;h=4a5a6cb49b9a6531773237ec2b72e07d33209188;hb=14e9a339d121ce18c420e4cb99f6bad86d1a5b45;hp=45eab9e8cb8b3a74cf1934da6801c2f2bc5c94e0;hpb=13a108705dbabbc75711ce9b3b29fe508262919f;p=cc1516.git

diff --git a/AST.dcl b/AST.dcl
index 45eab9e..4a5a6cb 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 ==
+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
@@ -35,9 +37,20 @@ from StdOverloaded import class toString, class ==
 	= 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 zero Pos
+instance == Op1
+instance == Op2
+instance < Op1
+instance < Op2
+instance == Type