// 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;
}
/// <summary>
/// Visits the function call expression tree
/// </summary>
/// <param name="exp"></param>
public object VisitMap(MapExpr exp)
{
return null;
}
/// <summary>
/// Creates a map expression from the parameters supplied.
/// </summary>
/// <param name="items"></param>
/// <param name="token"></param>
/// <returns></returns>
public static Expr Map(List<Tuple<string, Expr>> items, TokenData token)
{
var exp = new MapExpr();
exp.Expressions = items;
SetupContext(exp, token);
return exp;
}
