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_ISPOINTER_HPP 26 #define SHARE_VM_METAPROGRAMMING_ISPOINTER_HPP 27 28 #include "metaprogramming/integralConstant.hpp" 29 30 // This metafunction returns true iff the type T is (irrespective of CV qualifiers) 31 // a pointer type. 32 33 template <typename T> class IsPointer: public FalseType {}; 34 35 template <typename T> class IsPointer<T*>: public TrueType {}; 36 template <typename T> class IsPointer<T* const>: public TrueType {}; 37 template <typename T> class IsPointer<T* volatile>: public TrueType {}; 38 template <typename T> class IsPointer<T* const volatile>: public TrueType {}; 39 40 #endif // SHARE_VM_METAPROGRAMMING_ISPOINTER_HPP