Mono.CSharp.InterfaceMemberBase.CheckAccessModifiers C# (CSharp) Method

		protected static bool CheckAccessModifiers (MemberCore this_member, MemberSpec base_member)
		{
			var thisp = this_member.ModFlags & Modifiers.AccessibilityMask;
			var base_classp = base_member.Modifiers & Modifiers.AccessibilityMask;

			if ((base_classp & (Modifiers.PROTECTED | Modifiers.INTERNAL)) == (Modifiers.PROTECTED | Modifiers.INTERNAL)) {
				//
				// It must be at least "protected"
				//
				if ((thisp & Modifiers.PROTECTED) == 0) {
					return false;
				}

				//
				// when overriding protected internal, the method can be declared
				// protected internal only within the same assembly or assembly
				// which has InternalsVisibleTo
				//
				if ((thisp & Modifiers.INTERNAL) != 0) {
					return base_member.DeclaringType.MemberDefinition.IsInternalAsPublic (this_member.Module.DeclaringAssembly);
				}

				//
				// protected overriding protected internal inside same assembly
				// requires internal modifier as well
				//
				if (base_member.DeclaringType.MemberDefinition.IsInternalAsPublic (this_member.Module.DeclaringAssembly)) {
					return false;
				}

				return true;
			}

			return thisp == base_classp;
		}