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

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

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

	internal readonly SyntaxToken ifKeyword;

	internal readonly SyntaxToken openParenToken;

	internal readonly ExpressionSyntax condition;

	internal readonly SyntaxToken closeParenToken;

	internal readonly StatementSyntax statement;

	internal readonly ElseClauseSyntax? @else;

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

	public SyntaxToken IfKeyword => ifKeyword;

	public SyntaxToken OpenParenToken => openParenToken;

	public ExpressionSyntax Condition => condition;

	public SyntaxToken CloseParenToken => closeParenToken;

	public StatementSyntax Statement => statement;

	public ElseClauseSyntax? Else => @else;

	internal IfStatementSyntax(SyntaxKind kind, GreenNode? attributeLists, SyntaxToken ifKeyword, SyntaxToken openParenToken, ExpressionSyntax condition, SyntaxToken closeParenToken, StatementSyntax statement, ElseClauseSyntax? @else, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 7;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)ifKeyword);
		this.ifKeyword = ifKeyword;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openParenToken);
		this.openParenToken = openParenToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)condition);
		this.condition = condition;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeParenToken);
		this.closeParenToken = closeParenToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)statement);
		this.statement = statement;
		if (@else != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)@else);
			this.@else = @else;
		}
	}

	internal IfStatementSyntax(SyntaxKind kind, GreenNode? attributeLists, SyntaxToken ifKeyword, SyntaxToken openParenToken, ExpressionSyntax condition, SyntaxToken closeParenToken, StatementSyntax statement, ElseClauseSyntax? @else, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 7;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)ifKeyword);
		this.ifKeyword = ifKeyword;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openParenToken);
		this.openParenToken = openParenToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)condition);
		this.condition = condition;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeParenToken);
		this.closeParenToken = closeParenToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)statement);
		this.statement = statement;
		if (@else != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)@else);
			this.@else = @else;
		}
	}

	internal IfStatementSyntax(SyntaxKind kind, GreenNode? attributeLists, SyntaxToken ifKeyword, SyntaxToken openParenToken, ExpressionSyntax condition, SyntaxToken closeParenToken, StatementSyntax statement, ElseClauseSyntax? @else)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 7;
		if (attributeLists != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth(attributeLists);
			this.attributeLists = attributeLists;
		}
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)ifKeyword);
		this.ifKeyword = ifKeyword;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)openParenToken);
		this.openParenToken = openParenToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)condition);
		this.condition = condition;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)closeParenToken);
		this.closeParenToken = closeParenToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)statement);
		this.statement = statement;
		if (@else != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)@else);
			this.@else = @else;
		}
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => attributeLists, 
			1 => ifKeyword, 
			2 => openParenToken, 
			3 => condition, 
			4 => closeParenToken, 
			5 => statement, 
			6 => @else, 
			_ => null, 
		});
	}

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

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

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

	public IfStatementSyntax Update(SyntaxList<AttributeListSyntax> attributeLists, SyntaxToken ifKeyword, SyntaxToken openParenToken, ExpressionSyntax condition, SyntaxToken closeParenToken, StatementSyntax statement, ElseClauseSyntax @else)
	{
		//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_0048: Unknown result type (might be due to invalid IL or missing references)
		if (attributeLists != AttributeLists || ifKeyword != IfKeyword || openParenToken != OpenParenToken || condition != Condition || closeParenToken != CloseParenToken || statement != Statement || @else != Else)
		{
			IfStatementSyntax ifStatementSyntax = SyntaxFactory.IfStatement(attributeLists, ifKeyword, openParenToken, condition, closeParenToken, statement, @else);
			DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
			if (diagnostics != null && diagnostics.Length != 0)
			{
				ifStatementSyntax = GreenNodeExtensions.WithDiagnosticsGreen<IfStatementSyntax>(ifStatementSyntax, diagnostics);
			}
			SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
			if (annotations != null && annotations.Length != 0)
			{
				ifStatementSyntax = GreenNodeExtensions.WithAnnotationsGreen<IfStatementSyntax>(ifStatementSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
			}
			return ifStatementSyntax;
		}
		return this;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new IfStatementSyntax(base.Kind, attributeLists, ifKeyword, openParenToken, condition, closeParenToken, statement, @else, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new IfStatementSyntax(base.Kind, attributeLists, ifKeyword, openParenToken, condition, closeParenToken, statement, @else, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal IfStatementSyntax(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
		((GreenNode)this).SlotCount = 7;
		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);
		ifKeyword = syntaxToken;
		SyntaxToken syntaxToken2 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken2);
		openParenToken = syntaxToken2;
		ExpressionSyntax expressionSyntax = (ExpressionSyntax)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)expressionSyntax);
		condition = expressionSyntax;
		SyntaxToken syntaxToken3 = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken3);
		closeParenToken = syntaxToken3;
		StatementSyntax statementSyntax = (StatementSyntax)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)statementSyntax);
		statement = statementSyntax;
		ElseClauseSyntax elseClauseSyntax = (ElseClauseSyntax)reader.ReadValue();
		if (elseClauseSyntax != null)
		{
			((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)elseClauseSyntax);
			@else = elseClauseSyntax;
		}
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)attributeLists);
		writer.WriteValue((IObjectWritable)(object)ifKeyword);
		writer.WriteValue((IObjectWritable)(object)openParenToken);
		writer.WriteValue((IObjectWritable)(object)condition);
		writer.WriteValue((IObjectWritable)(object)closeParenToken);
		writer.WriteValue((IObjectWritable)(object)statement);
		writer.WriteValue((IObjectWritable)(object)@else);
	}

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