1/* 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25#include "precompiled.hpp" 26#include "ci/ciNullObject.hpp" 27 28// ciNullObject 29// 30// This class represents a null reference. It can be used 31// as a class loader or as the null constant. 32 33// ------------------------------------------------------------------ 34// ciNullObject::print_impl 35// 36// Implementation of the print method. 37void ciNullObject::print_impl(outputStream* st) { 38 ciObject::print_impl(st); 39 st->print(" unique"); 40} 41 42// ------------------------------------------------------------------ 43// ciNullObject::make 44// 45// Get the distinguished instance of this class. 46ciNullObject* ciNullObject::make() { 47 return CURRENT_ENV->_null_object_instance->as_null_object(); 48} 49