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

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

internal sealed class AttributeListSyntax : CSharpSyntaxNode
{
	internal readonly SyntaxToken openBracketToken;

	internal readonly AttributeTargetSpecifierSyntax? target;

	internal readonly GreenNode? attributes;

	internal readonly SyntaxToken closeBracketToken;

	public SyntaxToken OpenBracketToken => openBracketToken;

	public AttributeTargetSpecifierSyntax? Target => target;

	public SeparatedSyntaxList<AttributeSyntax> Attributes => new SeparatedSyntaxList<AttributeSyntax>(SyntaxList<CSharpSyntaxNode>.op_Implicit(new SyntaxList<CSharpSyntaxNode>(attributes)));

	public SyntaxToken CloseBracketToken => closeBracketToken;

	internal AttributeListSyntax(SyntaxKind kind, SyntaxToken openBracketToken, AttributeTargetSpecifierSyntax? target, GreenNode? attributes, SyntaxToken closeBracketToken, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 4;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openBracketToken);
		this.openBracketToken = openBracketToken;
		if (target != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)target);
			this.target = target;
		}
		if (attributes != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributes);
			this.attributes = attributes;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeBracketToken);
		this.closeBracketToken = closeBracketToken;
	}

	internal AttributeListSyntax(SyntaxKind kind, SyntaxToken openBracketToken, AttributeTargetSpecifierSyntax? target, GreenNode? attributes, SyntaxToken closeBracketToken, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 4;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openBracketToken);
		this.openBracketToken = openBracketToken;
		if (target != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)target);
			this.target = target;
		}
		if (attributes != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributes);
			this.attributes = attributes;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeBracketToken);
		this.closeBracketToken = closeBracketToken;
	}

	internal AttributeListSyntax(SyntaxKind kind, SyntaxToken openBracketToken, AttributeTargetSpecifierSyntax? target, GreenNode? attributes, SyntaxToken closeBracketToken)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 4;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openBracketToken);
		this.openBracketToken = openBracketToken;
		if (target != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)target);
			this.target = target;
		}
		if (attributes != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributes);
			this.attributes = attributes;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeBracketToken);
		this.closeBracketToken = closeBracketToken;
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => openBracketToken, 
			1 => target, 
			2 => attributes, 
			3 => closeBracketToken, 
			_ => null, 
		});
	}

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

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

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

	public AttributeListSyntax Update(SyntaxToken openBracketToken, AttributeTargetSpecifierSyntax target, SeparatedSyntaxList<AttributeSyntax> attributes, SyntaxToken closeBracketToken)
	{
		//IL_0030: Unknown result type (might be due to invalid IL or missing references)
		//IL_0015: Unknown result type (might be due to invalid IL or missing references)
		//IL_001a: Unknown result type (might be due to invalid IL or missing references)
		if (openBracketToken == OpenBracketToken && target == Target)
		{
			SeparatedSyntaxList<AttributeSyntax> val = Attributes;
			if (!((ref attributes) != (ref val)) && closeBracketToken == CloseBracketToken)
			{
				return this;
			}
		}
		AttributeListSyntax attributeListSyntax = SyntaxFactory.AttributeList(openBracketToken, target, attributes, closeBracketToken);
		DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
		if (diagnostics != null && diagnostics.Length != 0)
		{
			attributeListSyntax = GreenNodeExtensions.WithDiagnosticsGreen<AttributeListSyntax>(attributeListSyntax, diagnostics);
		}
		SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
		if (annotations != null && annotations.Length != 0)
		{
			attributeListSyntax = GreenNodeExtensions.WithAnnotationsGreen<AttributeListSyntax>(attributeListSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
		}
		return attributeListSyntax;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new AttributeListSyntax(base.Kind, openBracketToken, target, attributes, closeBracketToken, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new AttributeListSyntax(base.Kind, openBracketToken, target, attributes, closeBracketToken, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal AttributeListSyntax(ObjectReader reader)
		: base(reader)
	{
		//IL_004b: Unknown result type (might be due to invalid IL or missing references)
		//IL_0051: Expected O, but got Unknown
		((GreenNode)this).SlotCount = 4;
		SyntaxToken syntaxToken = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken);
		openBracketToken = syntaxToken;
		AttributeTargetSpecifierSyntax attributeTargetSpecifierSyntax = (AttributeTargetSpecifierSyntax)reader.ReadValue();
		if (attributeTargetSpecifierSyntax != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)attributeTargetSpecifierSyntax);
			target = attributeTargetSpecifierSyntax;
		}
		GreenNode val = (GreenNode)reader.ReadValue();
		if (val != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(val);
			attributes = val;
		}
		SyntaxToken syntaxToken2 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken2);
		closeBracketToken = syntaxToken2;
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)openBracketToken);
		writer.WriteValue((IObjectWritable)(object)target);
		writer.WriteValue((IObjectWritable)(object)attributes);
		writer.WriteValue((IObjectWritable)(object)closeBracketToken);
	}

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