public object visitCallExpr(Expr.Call expr)
{
resolve(expr.Callee);
foreach (Expr arg in expr.Arguments)
{
resolve(arg);
}
return(null);
}
public object visitCallExpr(Expr.Call expr)
{
object callee = evaluate(expr.Callee);
List <object> args = expr.Arguments.ConvertAll(
new Converter <Expr, object>(x => evaluate(x))
);
if (!(callee is LoxCallable))
{
throw new RuntimeError(expr.Paren,
"Can only call functions and classes");
}
LoxCallable function = (LoxCallable)callee;
if (args.Count != function.arity())
{
throw new RuntimeError(expr.Paren,
$"Expected {function.arity()} but got {args.Count}");
}
return(function.call(this, args));
}
public string visitCallExpr(Expr.Call expr)
{
return(parenthesize("call", expr.Callee));
}
