using System;
using System.Collections.Generic;

namespace AspClassic.Parser;

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