definition module AST
from Data.Maybe import :: Maybe
-from StdOverloaded import class toString
+from StdOverloaded import class toString, class ==
:: Pos = {line :: Int, col :: Int}
:: AST = AST [VarDecl] [FunDecl]
:: Type
= TupleType (Type, Type)
| ListType Type
- | IdType String
+ | IdType String
| IntType
| BoolType
| CharType
| VarType
+ | VoidType
+ | (->>) infixl 7 Type Type
:: Expr
= VarExpr Pos VarDef
| Op2Expr Pos Expr Op2 Expr
:: Op1 = UnNegation | UnMinus
:: Op2 = BiPlus | BiMinus | BiTimes | BiDivide | BiMod | BiEquals | BiLesser |
BiGreater | BiLesserEq | BiGreaterEq | BiUnEqual | BiAnd | BiOr | BiCons
-:: FunDecl = FunDecl Pos String [String] (Maybe FunType) [VarDecl] [Stmt]
-:: FunType = FunType [Type] (Maybe Type)
+:: FunDecl = FunDecl Pos String [String] (Maybe Type) [VarDecl] [Stmt]
:: FunCall = FunCall String [Expr]
:: Stmt
= IfStmt Expr [Stmt] [Stmt]
| ReturnStmt (Maybe Expr)
instance toString AST
+instance toString Type
+instance toString Pos
+instance toString Op2
+instance == Op2
+instance toString FieldSelector