using System.Collections.Generic;

namespace AspClassic.Parser;

/// <summary>
/// A parse tree for a Try statement.
/// </summary>
public sealed class TryBlockStatement : BlockStatement
{
	private readonly StatementCollection _CatchBlockStatements;

	private readonly FinallyBlockStatement _FinallyBlockStatement;

	private readonly EndBlockStatement _EndStatement;

	/// <summary>
	/// The Catch statements.
	/// </summary>
	public StatementCollection CatchBlockStatements => _CatchBlockStatements;

	/// <summary>
	/// The Finally statement, if any.
	/// </summary>
	public FinallyBlockStatement FinallyBlockStatement => _FinallyBlockStatement;

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

	/// <summary>
	/// Constructs a new parse tree for a Try statement.
	/// </summary>
	/// <param name="statements">The statements in the Try block.</param>
	/// <param name="catchBlockStatements">The Catch statements.</param>
	/// <param name="finallyBlockStatement">The Finally statement, if any.</param>
	/// <param name="endStatement">The End Try statement, if any.</param>
	/// <param name="span">The location of the parse tree.</param>
	/// <param name="comments">The comments of the parse tree.</param>
	public TryBlockStatement(StatementCollection statements, StatementCollection catchBlockStatements, FinallyBlockStatement finallyBlockStatement, EndBlockStatement endStatement, Span span, IList<Comment> comments)
		: base(TreeType.TryBlockStatement, statements, span, comments)
	{
		SetParent(catchBlockStatements);
		SetParent(finallyBlockStatement);
		SetParent(endStatement);
		_CatchBlockStatements = catchBlockStatements;
		_FinallyBlockStatement = finallyBlockStatement;
		_EndStatement = endStatement;
	}

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