/// <summary>
/// Adds new elements to the end of an array, and returns the new length
/// </summary>
/// <param name="target">The target list to apply this method on.</param>
/// <param name="elements">The elements to add</param>
/// <returns>The new length</returns>
public int Add(LObject target, params object[] elements)
{
if (elements == null || elements.Length == 0)
{
return(0);
}
// Add
var list = target.GetValue() as IList;
if (list == null)
{
return(0);
}
var table = target as LTable;
var map = new LMap(new Dictionary <string, object>());
var ndx = 0;
foreach (var field in table.Fields)
{
var val = elements[ndx];
map.Value[field] = val;
ndx++;
}
list.Add(map);
return(list.Count);
}
/// <summary>
/// Evaluate
/// </summary>
/// <returns></returns>
public static object EvalMapType(List<Tuple<string, Expr>> mapExprs)
{
// Case 2: Map type
var dictionary = new Dictionary<string, object>();
foreach (var pair in mapExprs)
{
var expression = pair.Item2;
object result = expression == null ? null : expression.Evaluate();
dictionary[pair.Item1] = result;
}
var map = new LMap(dictionary);
return map;
}
// index here
/// <summary>
/// Evaluate
/// </summary>
/// <returns></returns>
public object VisitMap(MapExpr expr)
{
var mapExprs = expr.Expressions;
// Case 2: Map type
var dictionary = new Dictionary<string, object>();
foreach (var pair in mapExprs)
{
var expression = pair.Item2;
object result = expression == null ? null : expression.Evaluate(this);
dictionary[pair.Item1] = result;
}
var map = new LMap(dictionary);
return map;
}