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

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

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

	internal readonly SyntaxToken? awaitKeyword;

	internal readonly SyntaxToken? usingKeyword;

	internal readonly GreenNode? modifiers;

	internal readonly VariableDeclarationSyntax declaration;

	internal readonly SyntaxToken semicolonToken;

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

	public SyntaxToken? AwaitKeyword => awaitKeyword;

	public SyntaxToken? UsingKeyword => usingKeyword;

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

	public VariableDeclarationSyntax Declaration => declaration;

	public SyntaxToken SemicolonToken => semicolonToken;

	internal LocalDeclarationStatementSyntax(SyntaxKind kind, GreenNode? attributeLists, SyntaxToken? awaitKeyword, SyntaxToken? usingKeyword, GreenNode? modifiers, VariableDeclarationSyntax declaration, SyntaxToken semicolonToken, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 6;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		if (awaitKeyword != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)awaitKeyword);
			this.awaitKeyword = awaitKeyword;
		}
		if (usingKeyword != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)usingKeyword);
			this.usingKeyword = usingKeyword;
		}
		if (modifiers != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(modifiers);
			this.modifiers = modifiers;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)declaration);
		this.declaration = declaration;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)semicolonToken);
		this.semicolonToken = semicolonToken;
	}

	internal LocalDeclarationStatementSyntax(SyntaxKind kind, GreenNode? attributeLists, SyntaxToken? awaitKeyword, SyntaxToken? usingKeyword, GreenNode? modifiers, VariableDeclarationSyntax declaration, SyntaxToken semicolonToken, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 6;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		if (awaitKeyword != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)awaitKeyword);
			this.awaitKeyword = awaitKeyword;
		}
		if (usingKeyword != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)usingKeyword);
			this.usingKeyword = usingKeyword;
		}
		if (modifiers != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(modifiers);
			this.modifiers = modifiers;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)declaration);
		this.declaration = declaration;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)semicolonToken);
		this.semicolonToken = semicolonToken;
	}

	internal LocalDeclarationStatementSyntax(SyntaxKind kind, GreenNode? attributeLists, SyntaxToken? awaitKeyword, SyntaxToken? usingKeyword, GreenNode? modifiers, VariableDeclarationSyntax declaration, SyntaxToken semicolonToken)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 6;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		if (awaitKeyword != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)awaitKeyword);
			this.awaitKeyword = awaitKeyword;
		}
		if (usingKeyword != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)usingKeyword);
			this.usingKeyword = usingKeyword;
		}
		if (modifiers != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(modifiers);
			this.modifiers = modifiers;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)declaration);
		this.declaration = declaration;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)semicolonToken);
		this.semicolonToken = semicolonToken;
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => attributeLists, 
			1 => awaitKeyword, 
			2 => usingKeyword, 
			3 => modifiers, 
			4 => declaration, 
			5 => semicolonToken, 
			_ => null, 
		});
	}

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

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

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

	public LocalDeclarationStatementSyntax Update(SyntaxList<AttributeListSyntax> attributeLists, SyntaxToken awaitKeyword, SyntaxToken usingKeyword, SyntaxList<SyntaxToken> modifiers, VariableDeclarationSyntax declaration, SyntaxToken semicolonToken)
	{
		//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_0043: Unknown result type (might be due to invalid IL or missing references)
		//IL_0046: Unknown result type (might be due to invalid IL or missing references)
		//IL_0020: Unknown result type (might be due to invalid IL or missing references)
		//IL_0023: Unknown result type (might be due to invalid IL or missing references)
		if (attributeLists != AttributeLists || awaitKeyword != AwaitKeyword || usingKeyword != UsingKeyword || modifiers != Modifiers || declaration != Declaration || semicolonToken != SemicolonToken)
		{
			LocalDeclarationStatementSyntax localDeclarationStatementSyntax = SyntaxFactory.LocalDeclarationStatement(attributeLists, awaitKeyword, usingKeyword, modifiers, declaration, semicolonToken);
			DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
			if (diagnostics != null && diagnostics.Length != 0)
			{
				localDeclarationStatementSyntax = GreenNodeExtensions.WithDiagnosticsGreen<LocalDeclarationStatementSyntax>(localDeclarationStatementSyntax, diagnostics);
			}
			SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
			if (annotations != null && annotations.Length != 0)
			{
				localDeclarationStatementSyntax = GreenNodeExtensions.WithAnnotationsGreen<LocalDeclarationStatementSyntax>(localDeclarationStatementSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
			}
			return localDeclarationStatementSyntax;
		}
		return this;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new LocalDeclarationStatementSyntax(base.Kind, attributeLists, awaitKeyword, usingKeyword, modifiers, declaration, semicolonToken, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new LocalDeclarationStatementSyntax(base.Kind, attributeLists, awaitKeyword, usingKeyword, modifiers, declaration, semicolonToken, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal LocalDeclarationStatementSyntax(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_006b: Unknown result type (might be due to invalid IL or missing references)
		//IL_0071: Expected O, but got Unknown
		((GreenNode)this).SlotCount = 6;
		GreenNode val = (GreenNode)reader.ReadValue();
		if (val != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(val);
			attributeLists = val;
		}
		SyntaxToken syntaxToken = (SyntaxToken)reader.ReadValue();
		if (syntaxToken != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken);
			awaitKeyword = syntaxToken;
		}
		SyntaxToken syntaxToken2 = (SyntaxToken)reader.ReadValue();
		if (syntaxToken2 != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken2);
			usingKeyword = syntaxToken2;
		}
		GreenNode val2 = (GreenNode)reader.ReadValue();
		if (val2 != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(val2);
			modifiers = val2;
		}
		VariableDeclarationSyntax variableDeclarationSyntax = (VariableDeclarationSyntax)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)variableDeclarationSyntax);
		declaration = variableDeclarationSyntax;
		SyntaxToken syntaxToken3 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken3);
		semicolonToken = syntaxToken3;
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)attributeLists);
		writer.WriteValue((IObjectWritable)(object)awaitKeyword);
		writer.WriteValue((IObjectWritable)(object)usingKeyword);
		writer.WriteValue((IObjectWritable)(object)modifiers);
		writer.WriteValue((IObjectWritable)(object)declaration);
		writer.WriteValue((IObjectWritable)(object)semicolonToken);
	}

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