public object visitCallExpr(Expr.Call expr)
{
resolve(expr.callee);
foreach (var argument in expr.arguments)
{
resolve(argument);
}
return(null);
}
public object visitCallExpr(Expr.Call expr)
{
var callee = evaluate(expr.callee);
var arguments = new LinkedList <object>();
foreach (var argument in expr.arguments)
{
arguments.AddLast(evaluate(argument));
}
if (callee is RosellaCallable function)
{
if (arguments.Count != function.arity())
{
throw new RuntimeError(expr.paren, $"Expected {function.arity()} arguments but got {arguments.Count}.");
}
return(function.call(this, arguments.ToList()));
}
throw new RuntimeError(expr.paren, "Can only call functions and classes");
}
