1 /* 2 * Copyright (c) 2017, 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 #ifndef SHARE_VM_METAPROGRAMMING_ISREGISTEREDENUM_HPP 26 #define SHARE_VM_METAPROGRAMMING_ISREGISTEREDENUM_HPP 27 28 #include "memory/allocation.hpp" 29 #include "metaprogramming/integralConstant.hpp" 30 31 // Recognize registered enum types. 32 // Registration is by specializing this trait. 33 // 34 // This is a manual stand-in for the C++11 std::is_enum<T> type trait. 35 // It's a lot of work to implement is_enum portably in C++98, so this 36 // manual approach is being taken for those enum types we need to 37 // distinguish. 38 template<typename T> 39 struct IsRegisteredEnum : public FalseType {}; 40 41 #endif // SHARE_VM_METAPROGRAMMING_ISREGISTEREDENUM_HPP 42