Mono.CSharp.MemberSpec.IsAccessible C# (CSharp) Method

		public bool IsAccessible (TypeSpec invocationType)
		{
			var ma = Modifiers & Modifiers.AccessibilityMask;
			if (ma == Modifiers.PUBLIC)
				return true;

			var parentType = /* this as TypeSpec ?? */ DeclaringType;

			// It's null for module context
			if (invocationType == null)
				invocationType = InternalType.FakeInternalType;
		
			//
			// If only accessible to the current class or children
			//
			if (ma == Modifiers.PRIVATE)
				return invocationType.MemberDefinition == parentType.MemberDefinition ||
					TypeManager.IsNestedChildOf (invocationType, parentType.MemberDefinition);

			if ((ma & Modifiers.INTERNAL) != 0) {
				bool b;
				var assembly = invocationType == InternalType.FakeInternalType ?
					RootContext.ToplevelTypes.DeclaringAssembly :
					invocationType.MemberDefinition.DeclaringAssembly;

				if (parentType == null) {
					b = ((ITypeDefinition) MemberDefinition).IsInternalAsPublic (assembly);
				} else {
					b = DeclaringType.MemberDefinition.IsInternalAsPublic (assembly);
				}

				if (b || ma == Modifiers.INTERNAL)
					return b;
			}

			// PROTECTED
			if (!TypeManager.IsNestedFamilyAccessible (invocationType, parentType))
				return false;

			return true;
		}