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

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

internal sealed class XmlProcessingInstructionSyntax : XmlNodeSyntax
{
	internal readonly SyntaxToken startProcessingInstructionToken;

	internal readonly XmlNameSyntax name;

	internal readonly GreenNode? textTokens;

	internal readonly SyntaxToken endProcessingInstructionToken;

	public SyntaxToken StartProcessingInstructionToken => startProcessingInstructionToken;

	public XmlNameSyntax Name => name;

	public SyntaxList<SyntaxToken> TextTokens => new SyntaxList<SyntaxToken>(textTokens);

	public SyntaxToken EndProcessingInstructionToken => endProcessingInstructionToken;

	internal XmlProcessingInstructionSyntax(SyntaxKind kind, SyntaxToken startProcessingInstructionToken, XmlNameSyntax name, GreenNode? textTokens, SyntaxToken endProcessingInstructionToken, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 4;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)startProcessingInstructionToken);
		this.startProcessingInstructionToken = startProcessingInstructionToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)name);
		this.name = name;
		if (textTokens != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(textTokens);
			this.textTokens = textTokens;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)endProcessingInstructionToken);
		this.endProcessingInstructionToken = endProcessingInstructionToken;
	}

	internal XmlProcessingInstructionSyntax(SyntaxKind kind, SyntaxToken startProcessingInstructionToken, XmlNameSyntax name, GreenNode? textTokens, SyntaxToken endProcessingInstructionToken, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 4;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)startProcessingInstructionToken);
		this.startProcessingInstructionToken = startProcessingInstructionToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)name);
		this.name = name;
		if (textTokens != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(textTokens);
			this.textTokens = textTokens;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)endProcessingInstructionToken);
		this.endProcessingInstructionToken = endProcessingInstructionToken;
	}

	internal XmlProcessingInstructionSyntax(SyntaxKind kind, SyntaxToken startProcessingInstructionToken, XmlNameSyntax name, GreenNode? textTokens, SyntaxToken endProcessingInstructionToken)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 4;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)startProcessingInstructionToken);
		this.startProcessingInstructionToken = startProcessingInstructionToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)name);
		this.name = name;
		if (textTokens != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(textTokens);
			this.textTokens = textTokens;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)endProcessingInstructionToken);
		this.endProcessingInstructionToken = endProcessingInstructionToken;
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => startProcessingInstructionToken, 
			1 => name, 
			2 => textTokens, 
			3 => endProcessingInstructionToken, 
			_ => null, 
		});
	}

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

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

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

	public XmlProcessingInstructionSyntax Update(SyntaxToken startProcessingInstructionToken, XmlNameSyntax name, SyntaxList<SyntaxToken> textTokens, SyntaxToken endProcessingInstructionToken)
	{
		//IL_002c: 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_0014: Unknown result type (might be due to invalid IL or missing references)
		if (startProcessingInstructionToken != StartProcessingInstructionToken || name != Name || textTokens != TextTokens || endProcessingInstructionToken != EndProcessingInstructionToken)
		{
			XmlProcessingInstructionSyntax xmlProcessingInstructionSyntax = SyntaxFactory.XmlProcessingInstruction(startProcessingInstructionToken, name, textTokens, endProcessingInstructionToken);
			DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
			if (diagnostics != null && diagnostics.Length != 0)
			{
				xmlProcessingInstructionSyntax = GreenNodeExtensions.WithDiagnosticsGreen<XmlProcessingInstructionSyntax>(xmlProcessingInstructionSyntax, diagnostics);
			}
			SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
			if (annotations != null && annotations.Length != 0)
			{
				xmlProcessingInstructionSyntax = GreenNodeExtensions.WithAnnotationsGreen<XmlProcessingInstructionSyntax>(xmlProcessingInstructionSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
			}
			return xmlProcessingInstructionSyntax;
		}
		return this;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new XmlProcessingInstructionSyntax(base.Kind, startProcessingInstructionToken, name, textTokens, endProcessingInstructionToken, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new XmlProcessingInstructionSyntax(base.Kind, startProcessingInstructionToken, name, textTokens, endProcessingInstructionToken, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal XmlProcessingInstructionSyntax(ObjectReader reader)
		: base(reader)
	{
		//IL_0048: Unknown result type (might be due to invalid IL or missing references)
		//IL_004e: Expected O, but got Unknown
		((GreenNode)this).SlotCount = 4;
		SyntaxToken syntaxToken = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken);
		startProcessingInstructionToken = syntaxToken;
		XmlNameSyntax xmlNameSyntax = (XmlNameSyntax)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)xmlNameSyntax);
		name = xmlNameSyntax;
		GreenNode val = (GreenNode)reader.ReadValue();
		if (val != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(val);
			textTokens = val;
		}
		SyntaxToken syntaxToken2 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken2);
		endProcessingInstructionToken = syntaxToken2;
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)startProcessingInstructionToken);
		writer.WriteValue((IObjectWritable)(object)name);
		writer.WriteValue((IObjectWritable)(object)textTokens);
		writer.WriteValue((IObjectWritable)(object)endProcessingInstructionToken);
	}

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