public object VisitCallExpr(Expr.Call expr) { object callee = Evaluate(expr.callee); List <object> arguments = new List <object>(); foreach (Expr argument in expr.arguments) { arguments.Add(Evaluate(argument)); } if (!(callee is LoxCallable)) { throw new RuntimeError(expr.paren, "Can only call functions and classes."); } LoxCallable function = (LoxCallable)callee; //check number of arguments before calling if (arguments.Count != function.Arity()) { throw new RuntimeError(expr.paren, $"Expected {function.Arity()} but got {arguments.Count}"); } return(function.Call(this, arguments)); }
public MyVoid VisitCallExpr(Expr.Call expr) { resolve(expr.callee); foreach (Expr argument in expr.arguments) { resolve(argument); } return(null); }
public string VisitCallExpr(Expr.Call expr) { return("Printing call expression not implemeneted"); }