using System;
using System.Collections.Generic;

namespace AspClassic.Parser;

/// <summary>
/// A parse tree for a Resume statement.
/// </summary>
public sealed class ResumeStatement : LabelReferenceStatement
{
	private readonly ResumeType _ResumeType;

	private readonly Location _NextLocation;

	/// <summary>
	/// The type of the Resume statement.
	/// </summary>
	public ResumeType ResumeType => _ResumeType;

	/// <summary>
	/// The location of the 'Next', if any.
	/// </summary>
	public Location NextLocation => _NextLocation;

	/// <summary>
	/// Constructs a parse tree for a Resume statement.
	/// </summary>
	/// <param name="resumeType">The type of the Resume statement.</param>
	/// <param name="nextLocation">The location of the 'Next', if any.</param>
	/// <param name="name">The label name, if any.</param>
	/// <param name="isLineNumber">Whether the label is a line number.</param>
	/// <param name="span">The location of the parse tree.</param>
	/// <param name="comments">The comments of the parse tree.</param>
	public ResumeStatement(ResumeType resumeType, Location nextLocation, SimpleName name, bool isLineNumber, Span span, IList<Comment> comments)
		: base(TreeType.ResumeStatement, name, isLineNumber, span, comments)
	{
		if (resumeType < ResumeType.None || resumeType > ResumeType.Label)
		{
			throw new ArgumentOutOfRangeException("resumeType");
		}
		_ResumeType = resumeType;
		_NextLocation = nextLocation;
	}

	protected override void GetChildTrees(IList<Tree> childList)
	{
		if (ResumeType == ResumeType.Label)
		{
			base.GetChildTrees(childList);
		}
	}
}