using Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

namespace Microsoft.CodeAnalysis.CSharp.Syntax;

public sealed class UnaryPatternSyntax : PatternSyntax
{
	private PatternSyntax? pattern;

	public SyntaxToken OperatorToken => new SyntaxToken((SyntaxNode)(object)this, (GreenNode)(object)((Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.UnaryPatternSyntax)(object)((SyntaxNode)this).Green).operatorToken, ((SyntaxNode)this).Position, 0);

	public PatternSyntax Pattern => ((SyntaxNode)this).GetRed<PatternSyntax>(ref pattern, 1);

	internal UnaryPatternSyntax(Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode green, SyntaxNode? parent, int position)
		: base(green, parent, position)
	{
	}

	internal override SyntaxNode? GetNodeSlot(int index)
	{
		if (index != 1)
		{
			return null;
		}
		return (SyntaxNode?)(object)((SyntaxNode)this).GetRed<PatternSyntax>(ref pattern, 1);
	}

	internal override SyntaxNode? GetCachedSlot(int index)
	{
		if (index != 1)
		{
			return null;
		}
		return (SyntaxNode?)(object)pattern;
	}

	public override void Accept(CSharpSyntaxVisitor visitor)
	{
		visitor.VisitUnaryPattern(this);
	}

	public override TResult? Accept<TResult>(CSharpSyntaxVisitor<TResult> visitor)
	{
		return visitor.VisitUnaryPattern(this);
	}

	public UnaryPatternSyntax Update(SyntaxToken operatorToken, PatternSyntax pattern)
	{
		//IL_0000: Unknown result type (might be due to invalid IL or missing references)
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_0017: Unknown result type (might be due to invalid IL or missing references)
		if (operatorToken != OperatorToken || pattern != Pattern)
		{
			UnaryPatternSyntax unaryPatternSyntax = SyntaxFactory.UnaryPattern(operatorToken, pattern);
			SyntaxAnnotation[] annotations = ((SyntaxNode)this).GetAnnotations();
			if (annotations == null || annotations.Length == 0)
			{
				return unaryPatternSyntax;
			}
			return unaryPatternSyntax.WithAnnotations(annotations);
		}
		return this;
	}

	public UnaryPatternSyntax WithOperatorToken(SyntaxToken operatorToken)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		return Update(operatorToken, Pattern);
	}

	public UnaryPatternSyntax WithPattern(PatternSyntax pattern)
	{
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		return Update(OperatorToken, pattern);
	}
}