using System;
using System.Collections.Generic;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

internal sealed class FunctionPointerCallingConventionSyntax : CSharpSyntaxNode
{
	internal readonly SyntaxToken managedOrUnmanagedKeyword;

	internal readonly FunctionPointerUnmanagedCallingConventionListSyntax? unmanagedCallingConventionList;

	public SyntaxToken ManagedOrUnmanagedKeyword => managedOrUnmanagedKeyword;

	public FunctionPointerUnmanagedCallingConventionListSyntax? UnmanagedCallingConventionList => unmanagedCallingConventionList;

	internal FunctionPointerCallingConventionSyntax(SyntaxKind kind, SyntaxToken managedOrUnmanagedKeyword, FunctionPointerUnmanagedCallingConventionListSyntax? unmanagedCallingConventionList, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 2;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)managedOrUnmanagedKeyword);
		this.managedOrUnmanagedKeyword = managedOrUnmanagedKeyword;
		if (unmanagedCallingConventionList != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)unmanagedCallingConventionList);
			this.unmanagedCallingConventionList = unmanagedCallingConventionList;
		}
	}

	internal FunctionPointerCallingConventionSyntax(SyntaxKind kind, SyntaxToken managedOrUnmanagedKeyword, FunctionPointerUnmanagedCallingConventionListSyntax? unmanagedCallingConventionList, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 2;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)managedOrUnmanagedKeyword);
		this.managedOrUnmanagedKeyword = managedOrUnmanagedKeyword;
		if (unmanagedCallingConventionList != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)unmanagedCallingConventionList);
			this.unmanagedCallingConventionList = unmanagedCallingConventionList;
		}
	}

	internal FunctionPointerCallingConventionSyntax(SyntaxKind kind, SyntaxToken managedOrUnmanagedKeyword, FunctionPointerUnmanagedCallingConventionListSyntax? unmanagedCallingConventionList)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 2;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)managedOrUnmanagedKeyword);
		this.managedOrUnmanagedKeyword = managedOrUnmanagedKeyword;
		if (unmanagedCallingConventionList != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)unmanagedCallingConventionList);
			this.unmanagedCallingConventionList = unmanagedCallingConventionList;
		}
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => managedOrUnmanagedKeyword, 
			1 => unmanagedCallingConventionList, 
			_ => null, 
		});
	}

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

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

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

	public FunctionPointerCallingConventionSyntax Update(SyntaxToken managedOrUnmanagedKeyword, FunctionPointerUnmanagedCallingConventionListSyntax unmanagedCallingConventionList)
	{
		if (managedOrUnmanagedKeyword != ManagedOrUnmanagedKeyword || unmanagedCallingConventionList != UnmanagedCallingConventionList)
		{
			FunctionPointerCallingConventionSyntax functionPointerCallingConventionSyntax = SyntaxFactory.FunctionPointerCallingConvention(managedOrUnmanagedKeyword, unmanagedCallingConventionList);
			DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
			if (diagnostics != null && diagnostics.Length != 0)
			{
				functionPointerCallingConventionSyntax = GreenNodeExtensions.WithDiagnosticsGreen<FunctionPointerCallingConventionSyntax>(functionPointerCallingConventionSyntax, diagnostics);
			}
			SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
			if (annotations != null && annotations.Length != 0)
			{
				functionPointerCallingConventionSyntax = GreenNodeExtensions.WithAnnotationsGreen<FunctionPointerCallingConventionSyntax>(functionPointerCallingConventionSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
			}
			return functionPointerCallingConventionSyntax;
		}
		return this;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new FunctionPointerCallingConventionSyntax(base.Kind, managedOrUnmanagedKeyword, unmanagedCallingConventionList, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new FunctionPointerCallingConventionSyntax(base.Kind, managedOrUnmanagedKeyword, unmanagedCallingConventionList, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal FunctionPointerCallingConventionSyntax(ObjectReader reader)
		: base(reader)
	{
		((GreenNode)this).SlotCount = 2;
		SyntaxToken syntaxToken = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken);
		managedOrUnmanagedKeyword = syntaxToken;
		FunctionPointerUnmanagedCallingConventionListSyntax functionPointerUnmanagedCallingConventionListSyntax = (FunctionPointerUnmanagedCallingConventionListSyntax)reader.ReadValue();
		if (functionPointerUnmanagedCallingConventionListSyntax != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)functionPointerUnmanagedCallingConventionListSyntax);
			unmanagedCallingConventionList = functionPointerUnmanagedCallingConventionListSyntax;
		}
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)managedOrUnmanagedKeyword);
		writer.WriteValue((IObjectWritable)(object)unmanagedCallingConventionList);
	}

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