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;
if (arguments.Count != function.arity())
{
throw new RuntimeError(expr.paren, "Expected " + function.arity() + " arguments but got " + arguments.Count + ".");
}
return(function.call(this, arguments));
}
public object visitCallExpr(Expr.Call expr)
{
resolve(expr.callee);
foreach (Expr argument in expr.arguments)
{
resolve(argument);
}
return(null);
}
public string visitCallExpr(Expr.Call expr)
{
return("");
}
