#define DEBUG
using System.Collections.Generic;
using System.Diagnostics;

namespace AspClassic.Parser;

/// <summary>
/// A parse tree for a declaration.
/// </summary>
public class Declaration : Statement
{
	public override bool IsBad => base.Type == TreeType.SyntaxError;

	/// <summary>
	/// Creates a bad declaration.
	/// </summary>
	/// <param name="span">The location of the parse tree.</param>
	/// <param name="comments">The comments for the parse tree.</param>
	/// <returns>A bad declaration.</returns>
	public static Declaration GetBadDeclaration(Span span, IList<Comment> comments)
	{
		return new Declaration(span, comments);
	}

	protected Declaration(TreeType type, Span span, IList<Comment> comments)
		: base(type, span, comments)
	{
		Debug.Assert(type >= TreeType.EmptyDeclaration && type <= TreeType.DelegateFunctionDeclaration);
	}

	private Declaration(Span span, IList<Comment> comments)
		: base(TreeType.SyntaxError, span, comments)
	{
	}
}