from Data.Maybe import :: Maybe
from StdOverloaded import class toString
-/*
- * Type errors can happen in either
- * - variable declarations (x :: Int = True)
- * - function declarations (f :: (Char -> Int) = (+)1)
- * - Expressions (1 + 'a')
- * So these are the items that will get position metadata
- */
-
:: Pos = {line :: Int, col :: Int}
-
:: AST = AST [VarDecl] [FunDecl]
:: VarDecl = VarDecl Pos Type String Expr
:: Type
:: 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)
:: FunCall = FunCall String [Expr]