System.MonoCustomAttrs.GetBase C# (CSharp) Метод

		static ICustomAttributeProvider GetBase (ICustomAttributeProvider obj)
		{
			if (obj == null)
				return null;

			if (obj is Type)
				return ((Type) obj).BaseType;

			MethodInfo method = null;
			if (obj is MonoProperty)
				return GetBasePropertyDefinition ((MonoProperty) obj);
			else if (obj is MonoMethod)
				method = (MethodInfo) obj;

			/**
			 * ParameterInfo -> null
			 * Assembly -> null
			 * MonoEvent -> null
			 * MonoField -> null
			 */
			if (method == null || !method.IsVirtual)
				return null;

			MethodInfo baseMethod = method.GetBaseMethod ();
			if (baseMethod == method)
				return null;

			return baseMethod;
		}

        internal static bool IsDefined(ICustomAttributeProvider obj, Type attributeType, bool inherit)
        {
            if (attributeType == null)
            {
                throw new ArgumentNullException("attributeType");
            }
            if (MonoCustomAttrs.IsUserCattrProvider(obj))
            {
                return(obj.IsDefined(attributeType, inherit));
            }
            if (MonoCustomAttrs.IsDefinedInternal(obj, attributeType))
            {
                return(true);
            }
            object[] pseudoCustomAttributes = MonoCustomAttrs.GetPseudoCustomAttributes(obj, attributeType);
            if (pseudoCustomAttributes != null)
            {
                for (int i = 0; i < pseudoCustomAttributes.Length; i++)
                {
                    if (attributeType.IsAssignableFrom(pseudoCustomAttributes[i].GetType()))
                    {
                        return(true);
                    }
                }
            }
            ICustomAttributeProvider @base;

            return(inherit && (@base = MonoCustomAttrs.GetBase(obj)) != null && MonoCustomAttrs.IsDefined(@base, attributeType, inherit));
        }