using System;
using System.Collections.Generic;

namespace AspClassic.Parser;

/// <summary>
/// A parse tree for an aggregate initializer.
/// </summary>
public sealed class AggregateInitializer : Initializer
{
	private readonly InitializerCollection _Elements;

	/// <summary>
	/// The elements of the aggregate initializer.
	/// </summary>
	public InitializerCollection Elements => _Elements;

	/// <summary>
	/// Constructs a new aggregate initializer parse tree.
	/// </summary>
	/// <param name="elements">The elements of the aggregate initializer.</param>
	/// <param name="span">The location of the parse tree.</param>
	public AggregateInitializer(InitializerCollection elements, Span span)
		: base(TreeType.AggregateInitializer, span)
	{
		if (elements == null)
		{
			throw new ArgumentNullException("elements");
		}
		SetParent(elements);
		_Elements = elements;
	}

	protected override void GetChildTrees(IList<Tree> childList)
	{
		Tree.AddChild(childList, Elements);
	}
}