public object VisitCallExpr(Expr.Call expr)
{
Resolve(expr.Callee);
foreach (Expr argument in expr.Arguments)
{
Resolve(argument);
}
return(null);
}
public object VisitCallExpr(Expr.Call expr)
{
object callee = Evaluate(expr.Callee);
List <object> arguments = expr.Arguments.Select(Evaluate).ToList();
if (!(callee is ILoxCallable))
{
throw new RuntimeError(expr.Paren, "Can only call functions and classes.");
}
ILoxCallable function = (ILoxCallable)callee;
if (arguments.Count() != function.Arity())
{
throw new RuntimeError(expr.Paren, $"Expect {function.Arity()} arguments but got {arguments.Count()} instead.");
}
return(function.Call(this, arguments));
}
public string Visit(Expr.Call expr)
{
throw new NotImplementedException();
}