using System;
using System.Collections.Generic;
using Roslyn.Utilities;

namespace Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

internal sealed class BinaryExpressionSyntax : ExpressionSyntax
{
	internal readonly ExpressionSyntax left;

	internal readonly SyntaxToken operatorToken;

	internal readonly ExpressionSyntax right;

	public ExpressionSyntax Left => left;

	public SyntaxToken OperatorToken => operatorToken;

	public ExpressionSyntax Right => right;

	internal BinaryExpressionSyntax(SyntaxKind kind, ExpressionSyntax left, SyntaxToken operatorToken, ExpressionSyntax right, DiagnosticInfo[]? diagnostics, SyntaxAnnotation[]? annotations)
		: base(kind, diagnostics, annotations)
	{
		((GreenNode)this).SlotCount = 3;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)left);
		this.left = left;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)operatorToken);
		this.operatorToken = operatorToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)right);
		this.right = right;
	}

	internal BinaryExpressionSyntax(SyntaxKind kind, ExpressionSyntax left, SyntaxToken operatorToken, ExpressionSyntax right, SyntaxFactoryContext context)
		: base(kind)
	{
		SetFactoryContext(context);
		((GreenNode)this).SlotCount = 3;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)left);
		this.left = left;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)operatorToken);
		this.operatorToken = operatorToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)right);
		this.right = right;
	}

	internal BinaryExpressionSyntax(SyntaxKind kind, ExpressionSyntax left, SyntaxToken operatorToken, ExpressionSyntax right)
		: base(kind)
	{
		((GreenNode)this).SlotCount = 3;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)left);
		this.left = left;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)operatorToken);
		this.operatorToken = operatorToken;
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)right);
		this.right = right;
	}

	internal override GreenNode? GetSlot(int index)
	{
		return (GreenNode?)(index switch
		{
			0 => left, 
			1 => operatorToken, 
			2 => right, 
			_ => null, 
		});
	}

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

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

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

	public BinaryExpressionSyntax Update(ExpressionSyntax left, SyntaxToken operatorToken, ExpressionSyntax right)
	{
		if (left != Left || operatorToken != OperatorToken || right != Right)
		{
			BinaryExpressionSyntax binaryExpressionSyntax = SyntaxFactory.BinaryExpression(base.Kind, left, operatorToken, right);
			DiagnosticInfo[] diagnostics = ((GreenNode)this).GetDiagnostics();
			if (diagnostics != null && diagnostics.Length != 0)
			{
				binaryExpressionSyntax = GreenNodeExtensions.WithDiagnosticsGreen<BinaryExpressionSyntax>(binaryExpressionSyntax, diagnostics);
			}
			SyntaxAnnotation[] annotations = ((GreenNode)this).GetAnnotations();
			if (annotations != null && annotations.Length != 0)
			{
				binaryExpressionSyntax = GreenNodeExtensions.WithAnnotationsGreen<BinaryExpressionSyntax>(binaryExpressionSyntax, (IEnumerable<SyntaxAnnotation>)annotations);
			}
			return binaryExpressionSyntax;
		}
		return this;
	}

	internal override GreenNode SetDiagnostics(DiagnosticInfo[]? diagnostics)
	{
		return (GreenNode)(object)new BinaryExpressionSyntax(base.Kind, left, operatorToken, right, diagnostics, ((GreenNode)this).GetAnnotations());
	}

	internal override GreenNode SetAnnotations(SyntaxAnnotation[]? annotations)
	{
		return (GreenNode)(object)new BinaryExpressionSyntax(base.Kind, left, operatorToken, right, ((GreenNode)this).GetDiagnostics(), annotations);
	}

	internal BinaryExpressionSyntax(ObjectReader reader)
		: base(reader)
	{
		((GreenNode)this).SlotCount = 3;
		ExpressionSyntax expressionSyntax = (ExpressionSyntax)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)expressionSyntax);
		left = expressionSyntax;
		SyntaxToken syntaxToken = (SyntaxToken)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)syntaxToken);
		operatorToken = syntaxToken;
		ExpressionSyntax expressionSyntax2 = (ExpressionSyntax)reader.ReadValue();
		((GreenNode)this).AdjustFlagsAndWidth((GreenNode)(object)expressionSyntax2);
		right = expressionSyntax2;
	}

	internal override void WriteTo(ObjectWriter writer)
	{
		((GreenNode)this).WriteTo(writer);
		writer.WriteValue((IObjectWritable)(object)left);
		writer.WriteValue((IObjectWritable)(object)operatorToken);
		writer.WriteValue((IObjectWritable)(object)right);
	}

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