using System.Collections.Generic;
using Microsoft.CodeAnalysis.CSharp.Symbols;

namespace Microsoft.CodeAnalysis.CSharp;

internal class LexicalOrderSymbolComparer : IComparer<Symbol>
{
	public static readonly LexicalOrderSymbolComparer Instance = new LexicalOrderSymbolComparer();

	private LexicalOrderSymbolComparer()
	{
	}

	public int Compare(Symbol x, Symbol y)
	{
		//IL_0025: Unknown result type (might be due to invalid IL or missing references)
		//IL_0030: Unknown result type (might be due to invalid IL or missing references)
		if (x == y)
		{
			return 0;
		}
		LexicalSortKey lexicalSortKey = x.GetLexicalSortKey();
		LexicalSortKey lexicalSortKey2 = y.GetLexicalSortKey();
		int num = LexicalSortKey.Compare(lexicalSortKey, lexicalSortKey2);
		if (num != 0)
		{
			return num;
		}
		num = SymbolKindExtensions.ToSortOrder(x.Kind) - SymbolKindExtensions.ToSortOrder(y.Kind);
		if (num != 0)
		{
			return num;
		}
		return string.CompareOrdinal(x.Name, y.Name);
	}
}