using System.Diagnostics.CodeAnalysis; namespace System.Reflection { internal static class NetstandardHelpers { [System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("ReflectionAnalysis", "IL2070:UnrecognizedReflectionPattern", Justification = "This is finding the MemberInfo with the same MetadataToken as specified MemberInfo. If the specified MemberInfo exists and wasn't trimmed, then the current Type's MemberInfo couldn't have been trimmed.")] public static MemberInfo GetMemberWithSameMetadataDefinitionAs(this Type type, MemberInfo member) { ExceptionPolyfills.ThrowIfNull(member, "member"); MemberInfo[] members = type.GetMembers(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic); foreach (MemberInfo memberInfo in members) { if (HasSameMetadataDefinitionAs(memberInfo, member)) return memberInfo; } throw new MissingMemberException(type.FullName, member.Name); } private static bool HasSameMetadataDefinitionAs(this MemberInfo info, MemberInfo other) { if (info.MetadataToken != other.MetadataToken) return false; if (!info.Module.Equals(other.Module)) return false; return true; } public static bool IsGenericMethodParameter(this Type type) { if (type.IsGenericParameter) return (object)type.DeclaringMethod != null; return false; } public static ReadOnlySpan<ParameterInfo> GetParametersAsSpan(this MethodBase metaMethod) { return metaMethod.GetParameters(); } } }