using System.Diagnostics;
using Microsoft.CodeAnalysis.CSharp.Symbols;

namespace Microsoft.CodeAnalysis.CSharp;

internal sealed class OutVariablePendingInference : VariablePendingInference
{
	public override object Display => string.Empty;

	protected override ErrorCode InferenceFailedError => ErrorCode.ERR_TypeInferenceFailedForImplicitlyTypedOutVariable;

	public OutVariablePendingInference(SyntaxNode syntax, Symbol variableSymbol, BoundExpression? receiverOpt, bool hasErrors = false)
		: base(BoundKind.OutVariablePendingInference, syntax, variableSymbol, receiverOpt, hasErrors || receiverOpt.HasErrors())
	{
	}

	[DebuggerStepThrough]
	public override BoundNode? Accept(BoundTreeVisitor visitor)
	{
		return visitor.VisitOutVariablePendingInference(this);
	}

	public OutVariablePendingInference Update(Symbol variableSymbol, BoundExpression? receiverOpt)
	{
		if (!SymbolEqualityComparer.ConsiderEverything.Equals(variableSymbol, base.VariableSymbol) || receiverOpt != base.ReceiverOpt)
		{
			OutVariablePendingInference outVariablePendingInference = new OutVariablePendingInference(Syntax, variableSymbol, receiverOpt, base.HasErrors);
			outVariablePendingInference.CopyAttributes(this);
			return outVariablePendingInference;
		}
		return this;
	}
}