using System.Diagnostics;

namespace Microsoft.CodeAnalysis.CSharp;

internal sealed class BoundIfStatement : BoundStatement
{
	public BoundExpression Condition { get; }

	public BoundStatement Consequence { get; }

	public BoundStatement? AlternativeOpt { get; }

	public BoundIfStatement(SyntaxNode syntax, BoundExpression condition, BoundStatement consequence, BoundStatement? alternativeOpt, bool hasErrors = false)
		: base(BoundKind.IfStatement, syntax, hasErrors || condition.HasErrors() || consequence.HasErrors() || alternativeOpt.HasErrors())
	{
		Condition = condition;
		Consequence = consequence;
		AlternativeOpt = alternativeOpt;
	}

	[DebuggerStepThrough]
	public override BoundNode? Accept(BoundTreeVisitor visitor)
	{
		return visitor.VisitIfStatement(this);
	}

	public BoundIfStatement Update(BoundExpression condition, BoundStatement consequence, BoundStatement? alternativeOpt)
	{
		if (condition != Condition || consequence != Consequence || alternativeOpt != AlternativeOpt)
		{
			BoundIfStatement boundIfStatement = new BoundIfStatement(Syntax, condition, consequence, alternativeOpt, base.HasErrors);
			boundIfStatement.CopyAttributes(this);
			return boundIfStatement;
		}
		return this;
	}
}