using System;
using System.Collections.Generic;
using Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

namespace Microsoft.CodeAnalysis.CSharp.Syntax;

public sealed class FunctionPointerParameterSyntax : BaseParameterSyntax
{
	private SyntaxNode? attributeLists;

	private TypeSyntax? type;

	public override SyntaxList<AttributeListSyntax> AttributeLists => new SyntaxList<AttributeListSyntax>(((SyntaxNode)this).GetRed(ref attributeLists, 0));

	public override SyntaxTokenList Modifiers
	{
		get
		{
			//IL_002a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0012: Unknown result type (might be due to invalid IL or missing references)
			//IL_0018: Unknown result type (might be due to invalid IL or missing references)
			GreenNode slot = ((SyntaxNode)this).Green.GetSlot(1);
			if (slot == null)
			{
				return default(SyntaxTokenList);
			}
			return new SyntaxTokenList((SyntaxNode)(object)this, slot, ((SyntaxNode)this).GetChildPosition(1), ((SyntaxNode)this).GetChildIndex(1));
		}
	}

	public override TypeSyntax Type => ((SyntaxNode)this).GetRed<TypeSyntax>(ref type, 2);

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

	internal override SyntaxNode? GetNodeSlot(int index)
	{
		return (SyntaxNode?)(index switch
		{
			0 => ((SyntaxNode)this).GetRedAtZero(ref attributeLists), 
			2 => ((SyntaxNode)this).GetRed<TypeSyntax>(ref type, 2), 
			_ => null, 
		});
	}

	internal override SyntaxNode? GetCachedSlot(int index)
	{
		return (SyntaxNode?)(index switch
		{
			0 => attributeLists, 
			2 => type, 
			_ => null, 
		});
	}

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

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

	public FunctionPointerParameterSyntax Update(SyntaxList<AttributeListSyntax> attributeLists, SyntaxTokenList modifiers, TypeSyntax type)
	{
		//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_0025: Unknown result type (might be due to invalid IL or missing references)
		//IL_0026: Unknown result type (might be due to invalid IL or missing references)
		//IL_000e: Unknown result type (might be due to invalid IL or missing references)
		//IL_0010: Unknown result type (might be due to invalid IL or missing references)
		if (attributeLists != AttributeLists || modifiers != Modifiers || type != Type)
		{
			FunctionPointerParameterSyntax functionPointerParameterSyntax = SyntaxFactory.FunctionPointerParameter(attributeLists, modifiers, type);
			SyntaxAnnotation[] annotations = ((SyntaxNode)this).GetAnnotations();
			if (annotations == null || annotations.Length == 0)
			{
				return functionPointerParameterSyntax;
			}
			return functionPointerParameterSyntax.WithAnnotations(annotations);
		}
		return this;
	}

	internal override BaseParameterSyntax WithAttributeListsCore(SyntaxList<AttributeListSyntax> attributeLists)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		return WithAttributeLists(attributeLists);
	}

	public new FunctionPointerParameterSyntax WithAttributeLists(SyntaxList<AttributeListSyntax> attributeLists)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		//IL_0003: Unknown result type (might be due to invalid IL or missing references)
		return Update(attributeLists, Modifiers, Type);
	}

	internal override BaseParameterSyntax WithModifiersCore(SyntaxTokenList modifiers)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		return WithModifiers(modifiers);
	}

	public new FunctionPointerParameterSyntax WithModifiers(SyntaxTokenList modifiers)
	{
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_0007: Unknown result type (might be due to invalid IL or missing references)
		return Update(AttributeLists, modifiers, Type);
	}

	internal override BaseParameterSyntax WithTypeCore(TypeSyntax? type)
	{
		return WithType(type ?? throw new ArgumentNullException("type"));
	}

	public new FunctionPointerParameterSyntax WithType(TypeSyntax type)
	{
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_0008: Unknown result type (might be due to invalid IL or missing references)
		return Update(AttributeLists, Modifiers, type);
	}

	internal override BaseParameterSyntax AddAttributeListsCore(params AttributeListSyntax[] items)
	{
		return AddAttributeLists(items);
	}

	public new FunctionPointerParameterSyntax AddAttributeLists(params AttributeListSyntax[] items)
	{
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_0007: Unknown result type (might be due to invalid IL or missing references)
		//IL_000b: Unknown result type (might be due to invalid IL or missing references)
		return WithAttributeLists(AttributeLists.AddRange((IEnumerable<AttributeListSyntax>)items));
	}

	internal override BaseParameterSyntax AddModifiersCore(params SyntaxToken[] items)
	{
		return AddModifiers(items);
	}

	public new FunctionPointerParameterSyntax AddModifiers(params SyntaxToken[] items)
	{
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_0007: Unknown result type (might be due to invalid IL or missing references)
		//IL_000b: Unknown result type (might be due to invalid IL or missing references)
		SyntaxTokenList modifiers = Modifiers;
		return WithModifiers(((SyntaxTokenList)(ref modifiers)).AddRange((IEnumerable<SyntaxToken>)items));
	}
}