using System;
using System.Collections.Generic;
using Microsoft.CodeAnalysis.Syntax.InternalSyntax;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

internal sealed class FunctionPointerParameterSyntax : BaseParameterSyntax
{
	internal readonly GreenNode? attributeLists;

	internal readonly GreenNode? modifiers;

	internal readonly TypeSyntax type;

	public override SyntaxList<AttributeListSyntax> AttributeLists => new SyntaxList<AttributeListSyntax>(attributeLists);

	public override SyntaxList<SyntaxToken> Modifiers => new SyntaxList<SyntaxToken>(modifiers);

	public override TypeSyntax Type => type;

	internal FunctionPointerParameterSyntax(SyntaxKind kind, GreenNode? attributeLists, GreenNode? modifiers, TypeSyntax type, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 3;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		if (modifiers != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(modifiers);
			this.modifiers = modifiers;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)type);
		this.type = type;
	}

	internal FunctionPointerParameterSyntax(SyntaxKind kind, GreenNode? attributeLists, GreenNode? modifiers, TypeSyntax type, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 3;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		if (modifiers != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(modifiers);
			this.modifiers = modifiers;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)type);
		this.type = type;
	}

	internal FunctionPointerParameterSyntax(SyntaxKind kind, GreenNode? attributeLists, GreenNode? modifiers, TypeSyntax type)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 3;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		if (modifiers != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(modifiers);
			this.modifiers = modifiers;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)type);
		this.type = type;
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => attributeLists, 
			1 => modifiers, 
			2 => type, 
			_ => null, 
		});
	}

	internal override SyntaxNode CreateRed(SyntaxNode? parent, int position)
	{
		return (SyntaxNode)(object)new Microsoft.CodeAnalysis.CSharp.Syntax.FunctionPointerParameterSyntax(this, parent, position);
	}

	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, SyntaxList<SyntaxToken> 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);
			DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
			if (diagnostics != null && diagnostics.Length != 0)
			{
				functionPointerParameterSyntax = GreenNodeExtensions.WithDiagnosticsGreen<FunctionPointerParameterSyntax>(functionPointerParameterSyntax, diagnostics);
			}
			SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
			if (annotations != null && annotations.Length != 0)
			{
				functionPointerParameterSyntax = GreenNodeExtensions.WithAnnotationsGreen<FunctionPointerParameterSyntax>(functionPointerParameterSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
			}
			return functionPointerParameterSyntax;
		}
		return this;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new FunctionPointerParameterSyntax(base.Kind, attributeLists, modifiers, type, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new FunctionPointerParameterSyntax(base.Kind, attributeLists, modifiers, type, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal FunctionPointerParameterSyntax(ObjectReader reader)
		: base(reader)
	{
		//IL_0014: Unknown result type (might be due to invalid IL or missing references)
		//IL_001a: Expected O, but got Unknown
		//IL_0031: Unknown result type (might be due to invalid IL or missing references)
		//IL_0037: Expected O, but got Unknown
		((GreenNode)this).SlotCount = 3;
		GreenNode val = (GreenNode)reader.ReadValue();
		if (val != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(val);
			attributeLists = val;
		}
		GreenNode val2 = (GreenNode)reader.ReadValue();
		if (val2 != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(val2);
			modifiers = val2;
		}
		TypeSyntax typeSyntax = (TypeSyntax)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)typeSyntax);
		type = typeSyntax;
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)attributeLists);
		writer.WriteValue((IObjectWritable)(object)modifiers);
		writer.WriteValue((IObjectWritable)(object)type);
	}

	static FunctionPointerParameterSyntax()
	{
		ObjectBinder.RegisterTypeReader(typeof(FunctionPointerParameterSyntax), (Func<ObjectReader, IObjectWritable>)((ObjectReader r) => (IObjectWritable)(object)new FunctionPointerParameterSyntax(r)));
	}
}