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

namespace Microsoft.CodeAnalysis.CSharp;

internal sealed class BoundLoweredConditionalAccess : BoundExpression
{
	public new TypeSymbol Type => base.Type;

	public BoundExpression Receiver { get; }

	public MethodSymbol? HasValueMethodOpt { get; }

	public BoundExpression WhenNotNull { get; }

	public BoundExpression? WhenNullOpt { get; }

	public int Id { get; }

	public bool ForceCopyOfNullableValueType { get; }

	public BoundLoweredConditionalAccess(SyntaxNode syntax, BoundExpression receiver, MethodSymbol? hasValueMethodOpt, BoundExpression whenNotNull, BoundExpression? whenNullOpt, int id, bool forceCopyOfNullableValueType, TypeSymbol type, bool hasErrors = false)
		: base(BoundKind.LoweredConditionalAccess, syntax, type, hasErrors || receiver.HasErrors() || whenNotNull.HasErrors() || whenNullOpt.HasErrors())
	{
		Receiver = receiver;
		HasValueMethodOpt = hasValueMethodOpt;
		WhenNotNull = whenNotNull;
		WhenNullOpt = whenNullOpt;
		Id = id;
		ForceCopyOfNullableValueType = forceCopyOfNullableValueType;
	}

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

	public BoundLoweredConditionalAccess Update(BoundExpression receiver, MethodSymbol? hasValueMethodOpt, BoundExpression whenNotNull, BoundExpression? whenNullOpt, int id, bool forceCopyOfNullableValueType, TypeSymbol type)
	{
		if (receiver != Receiver || !SymbolEqualityComparer.ConsiderEverything.Equals(hasValueMethodOpt, HasValueMethodOpt) || whenNotNull != WhenNotNull || whenNullOpt != WhenNullOpt || id != Id || forceCopyOfNullableValueType != ForceCopyOfNullableValueType || !TypeSymbol.Equals(type, Type, (TypeCompareKind)0))
		{
			BoundLoweredConditionalAccess boundLoweredConditionalAccess = new BoundLoweredConditionalAccess(Syntax, receiver, hasValueMethodOpt, whenNotNull, whenNullOpt, id, forceCopyOfNullableValueType, type, base.HasErrors);
			boundLoweredConditionalAccess.CopyAttributes(this);
			return boundLoweredConditionalAccess;
		}
		return this;
	}
}