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

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

internal sealed class BlockSyntax : StatementSyntax
{
	internal readonly GreenNode? attributeLists;

	internal readonly SyntaxToken openBraceToken;

	internal readonly GreenNode? statements;

	internal readonly SyntaxToken closeBraceToken;

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

	public SyntaxToken OpenBraceToken => openBraceToken;

	public SyntaxList<StatementSyntax> Statements => new SyntaxList<StatementSyntax>(statements);

	public SyntaxToken CloseBraceToken => closeBraceToken;

	internal BlockSyntax(SyntaxKind kind, GreenNode? attributeLists, SyntaxToken openBraceToken, GreenNode? statements, SyntaxToken closeBraceToken, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 4;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openBraceToken);
		this.openBraceToken = openBraceToken;
		if (statements != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(statements);
			this.statements = statements;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeBraceToken);
		this.closeBraceToken = closeBraceToken;
	}

	internal BlockSyntax(SyntaxKind kind, GreenNode? attributeLists, SyntaxToken openBraceToken, GreenNode? statements, SyntaxToken closeBraceToken, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 4;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openBraceToken);
		this.openBraceToken = openBraceToken;
		if (statements != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(statements);
			this.statements = statements;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeBraceToken);
		this.closeBraceToken = closeBraceToken;
	}

	internal BlockSyntax(SyntaxKind kind, GreenNode? attributeLists, SyntaxToken openBraceToken, GreenNode? statements, SyntaxToken closeBraceToken)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 4;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openBraceToken);
		this.openBraceToken = openBraceToken;
		if (statements != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(statements);
			this.statements = statements;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeBraceToken);
		this.closeBraceToken = closeBraceToken;
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => attributeLists, 
			1 => openBraceToken, 
			2 => statements, 
			3 => closeBraceToken, 
			_ => null, 
		});
	}

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

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

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

	public BlockSyntax Update(SyntaxList<AttributeListSyntax> attributeLists, SyntaxToken openBraceToken, SyntaxList<StatementSyntax> statements, SyntaxToken closeBraceToken)
	{
		//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_002f: Unknown result type (might be due to invalid IL or missing references)
		//IL_0031: Unknown result type (might be due to invalid IL or missing references)
		//IL_0017: Unknown result type (might be due to invalid IL or missing references)
		//IL_0019: Unknown result type (might be due to invalid IL or missing references)
		if (attributeLists != AttributeLists || openBraceToken != OpenBraceToken || statements != Statements || closeBraceToken != CloseBraceToken)
		{
			BlockSyntax blockSyntax = SyntaxFactory.Block(attributeLists, openBraceToken, statements, closeBraceToken);
			DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
			if (diagnostics != null && diagnostics.Length != 0)
			{
				blockSyntax = GreenNodeExtensions.WithDiagnosticsGreen<BlockSyntax>(blockSyntax, diagnostics);
			}
			SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
			if (annotations != null && annotations.Length != 0)
			{
				blockSyntax = GreenNodeExtensions.WithAnnotationsGreen<BlockSyntax>(blockSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
			}
			return blockSyntax;
		}
		return this;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new BlockSyntax(base.Kind, attributeLists, openBraceToken, statements, closeBraceToken, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new BlockSyntax(base.Kind, attributeLists, openBraceToken, statements, closeBraceToken, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal BlockSyntax(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_004b: Unknown result type (might be due to invalid IL or missing references)
		//IL_0051: Expected O, but got Unknown
		((GreenNode)this).SlotCount = 4;
		GreenNode val = (GreenNode)reader.ReadValue();
		if (val != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(val);
			attributeLists = val;
		}
		SyntaxToken syntaxToken = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken);
		openBraceToken = syntaxToken;
		GreenNode val2 = (GreenNode)reader.ReadValue();
		if (val2 != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(val2);
			statements = val2;
		}
		SyntaxToken syntaxToken2 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken2);
		closeBraceToken = syntaxToken2;
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)attributeLists);
		writer.WriteValue((IObjectWritable)(object)openBraceToken);
		writer.WriteValue((IObjectWritable)(object)statements);
		writer.WriteValue((IObjectWritable)(object)closeBraceToken);
	}

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