using System;

namespace AspClassic.Parser;

/// <summary>
/// A parse tree for a comment.
/// </summary>
public sealed class Comment : Tree
{
	private readonly string _Comment;

	private readonly bool _IsREM;

	/// <summary>
	/// The text of the comment.
	/// </summary>
	public string VComment => _Comment;

	/// <summary>
	/// Whether the comment is a REM comment.
	/// </summary>
	public bool IsREM => _IsREM;

	/// <summary>
	/// Constructs a new comment parse tree.
	/// </summary>
	/// <param name="comment">The text of the comment.</param>
	/// <param name="isREM">Whether the comment is a REM comment.</param>
	/// <param name="span">The location of the parse tree.</param>
	public Comment(string comment, bool isREM, Span span)
		: base(TreeType.Comment, span)
	{
		if (comment == null)
		{
			throw new ArgumentNullException("comment");
		}
		_Comment = comment;
		_IsREM = isREM;
	}
}