Mono.CSharp.Struct.IsUnmanagedType C# (CSharp) Method

		public override bool IsUnmanagedType ()
		{
			if (fields == null)
				return true;

			if (has_unmanaged_check_done)
				return is_unmanaged;

			if (requires_delayed_unmanagedtype_check)
				return true;

			requires_delayed_unmanagedtype_check = true;

			foreach (FieldBase f in fields) {
				if (f.IsStatic)
					continue;

				// It can happen when recursive unmanaged types are defined
				// struct S { S* s; }
				TypeSpec mt = f.MemberType;
				if (mt == null) {
					return true;
				}

				while (mt.IsPointer)
					mt = TypeManager.GetElementType (mt);

				if (mt.IsGenericOrParentIsGeneric || mt.IsGenericParameter) {
					has_unmanaged_check_done = true;
					return false;
				}

				if (TypeManager.IsUnmanagedType (mt))
					continue;

				has_unmanaged_check_done = true;
				return false;
			}

			has_unmanaged_check_done = true;
			is_unmanaged = true;
			return true;
		}