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");
}