X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=AST.dcl;h=b005f62577c8be8bbd628dc1250fc316779d0505;hb=1f77588b4d69fdb9f8880864240458efd5b51561;hp=97741e54d47e3e67b925909ff78e0b2621d27ec0;hpb=2473a12c050ab50a6fded6d4ea6df9b81ab8abf1;p=cc1516.git diff --git a/AST.dcl b/AST.dcl index 97741e5..b005f62 100644 --- a/AST.dcl +++ b/AST.dcl @@ -1,20 +1,21 @@ definition module AST from Data.Maybe import :: Maybe -from StdOverloaded import class toString +from StdOverloaded import class toString, class ==, class zero, class < :: Pos = {line :: Int, col :: Int} -:: AST = AST [VarDecl] [FunDecl] -:: VarDecl = VarDecl Pos Type String Expr +:: 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 - | VarType | VoidType + | FuncType Type | (->>) infixl 7 Type Type :: Expr = VarExpr Pos VarDef @@ -23,24 +24,35 @@ from StdOverloaded import class toString | IntExpr Pos Int | CharExpr Pos Char | BoolExpr Pos Bool - | FunExpr Pos FunCall + | 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 :: Op2 = BiPlus | BiMinus | BiTimes | BiDivide | BiMod | BiEquals | BiLesser | BiGreater | BiLesserEq | BiGreaterEq | BiUnEqual | BiAnd | BiOr | BiCons :: FunDecl = FunDecl Pos String [String] (Maybe Type) [VarDecl] [Stmt] -:: FunCall = FunCall String [Expr] :: Stmt = IfStmt Expr [Stmt] [Stmt] | WhileStmt Expr [Stmt] | AssStmt VarDef Expr - | FunStmt FunCall + | FunStmt String [Expr] [FieldSelector] | ReturnStmt (Maybe Expr) -instance toString AST -instance toString Type 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