PURErat-crack-scode/decompiled/Libraries/microsoft.codeanalysis.csharp/Microsoft.CodeAnalysis.CSharp.Symbols/SymbolEqualityComparer.cs

using System.Collections.Generic;

namespace Microsoft.CodeAnalysis.CSharp.Symbols;

internal sealed class SymbolEqualityComparer : EqualityComparer<Symbol>
{
	internal static readonly EqualityComparer<Symbol> ConsiderEverything = new SymbolEqualityComparer((TypeCompareKind)0);

	internal static readonly EqualityComparer<Symbol> IgnoringTupleNamesAndNullability = new SymbolEqualityComparer((TypeCompareKind)12);

	internal static readonly EqualityComparer<Symbol> IgnoringDynamicTupleNamesAndNullability = new SymbolEqualityComparer((TypeCompareKind)14);

	internal static readonly EqualityComparer<Symbol> IgnoringNullable = new SymbolEqualityComparer((TypeCompareKind)8);

	internal static readonly EqualityComparer<Symbol> ObliviousNullableModifierMatchesAny = new SymbolEqualityComparer((TypeCompareKind)16);

	internal static readonly EqualityComparer<Symbol> AllIgnoreOptions = new SymbolEqualityComparer((TypeCompareKind)63);

	internal static readonly EqualityComparer<Symbol> AllIgnoreOptionsPlusNullableWithUnknownMatchesAny = new SymbolEqualityComparer((TypeCompareKind)55);

	internal static readonly EqualityComparer<Symbol> CLRSignature = new SymbolEqualityComparer((TypeCompareKind)62);

	private readonly TypeCompareKind _comparison;

	internal static EqualityComparer<Symbol> IncludeNullability => ConsiderEverything;

	private SymbolEqualityComparer(TypeCompareKind comparison)
	{
		//IL_0007: Unknown result type (might be due to invalid IL or missing references)
		//IL_0008: Unknown result type (might be due to invalid IL or missing references)
		_comparison = comparison;
	}

	public override int GetHashCode(Symbol obj)
	{
		return obj?.GetHashCode() ?? 0;
	}

	public override bool Equals(Symbol x, Symbol y)
	{
		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
		return x?.Equals(y, _comparison) ?? ((object)y == null);
	}
}