using System;
using System.Collections.Generic;

namespace AspClassic.Parser;

/// <summary>
/// A read-only collection of variable declarators.
/// </summary>
public sealed class VariableDeclaratorCollection : CommaDelimitedTreeCollection<VariableDeclarator>
{
	/// <summary>
	/// Constructs a new collection of variable declarators.
	/// </summary>
	/// <param name="variableDeclarators">The variable declarators in the collection.</param>
	/// <param name="commaLocations">The locations of the commas in the list.</param>
	/// <param name="span">The location of the parse tree.</param>
	public VariableDeclaratorCollection(IList<VariableDeclarator> variableDeclarators, IList<Location> commaLocations, Span span)
		: base(TreeType.VariableDeclaratorCollection, variableDeclarators, commaLocations, span)
	{
		if (variableDeclarators == null || variableDeclarators.Count == 0)
		{
			throw new ArgumentException("VariableDeclaratorCollection cannot be empty.");
		}
	}
}