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

using System.Collections.Immutable;
using Microsoft.CodeAnalysis.CSharp.Syntax;

namespace Microsoft.CodeAnalysis.CSharp.Symbols;

internal static class AttributeDataExtensions
{
	internal static int IndexOfAttribute(this ImmutableArray<CSharpAttributeData> attributes, Symbol targetSymbol, AttributeDescription description)
	{
		//IL_000d: Unknown result type (might be due to invalid IL or missing references)
		for (int i = 0; i < attributes.Length; i++)
		{
			if (attributes[i].IsTargetAttribute(targetSymbol, description))
			{
				return i;
			}
		}
		return -1;
	}

	internal static CSharpSyntaxNode GetAttributeArgumentSyntax(this AttributeData attribute, int parameterIndex, AttributeSyntax attributeSyntax)
	{
		return ((SourceAttributeData)(object)attribute).GetAttributeArgumentSyntax(parameterIndex, attributeSyntax);
	}

	internal static string? DecodeNotNullIfNotNullAttribute(this CSharpAttributeData attribute)
	{
		//IL_0014: Unknown result type (might be due to invalid IL or missing references)
		//IL_0019: Unknown result type (might be due to invalid IL or missing references)
		ImmutableArray<TypedConstant> commonConstructorArguments = ((AttributeData)attribute).CommonConstructorArguments;
		if (commonConstructorArguments.Length == 1)
		{
			TypedConstant val = commonConstructorArguments[0];
			string result = default(string);
			if (((TypedConstant)(ref val)).TryDecodeValue<string>((SpecialType)20, ref result))
			{
				return result;
			}
		}
		return null;
	}

	internal static Location GetAttributeArgumentSyntaxLocation(this AttributeData attribute, int parameterIndex, AttributeSyntax? attributeSyntaxOpt)
	{
		if (attributeSyntaxOpt == null)
		{
			return NoLocation.Singleton;
		}
		return ((SyntaxNode)((SourceAttributeData)(object)attribute).GetAttributeArgumentSyntax(parameterIndex, attributeSyntaxOpt)).Location;
	}
}