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

namespace AspClassic.Parser;

/// <summary>
/// A parse tree for an expression block statement.
/// </summary>
public abstract class ExpressionBlockStatement : BlockStatement
{
	private readonly Expression _Expression;

	private readonly EndBlockStatement _EndStatement;

	/// <summary>
	/// The expression.
	/// </summary>
	public Expression Expression => _Expression;

	/// <summary>
	/// The End statement for the block, if any.
	/// </summary>
	public EndBlockStatement EndStatement => _EndStatement;

	protected ExpressionBlockStatement(TreeType type, Expression expression, StatementCollection statements, EndBlockStatement endStatement, Span span, IList<Comment> comments)
		: base(type, statements, span, comments)
	{
		Debug.Assert(type == TreeType.WithBlockStatement || type == TreeType.SyncLockBlockStatement || type == TreeType.WhileBlockStatement || type == TreeType.UsingBlockStatement);
		SetParent(expression);
		SetParent(endStatement);
		_Expression = expression;
		_EndStatement = endStatement;
	}

	protected override void GetChildTrees(IList<Tree> childList)
	{
		Tree.AddChild(childList, Expression);
		base.GetChildTrees(childList);
		Tree.AddChild(childList, EndStatement);
	}
}