src/hotspot/share/metaprogramming/removePointer.hpp

/*
 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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#ifndef SHARE_VM_METAPROGRAMMING_REMOVEPOINTER_HPP
#define SHARE_VM_METAPROGRAMMING_REMOVEPOINTER_HPP

#include "memory/allocation.hpp"

// This metafunction returns for a type T either the underlying type behind
// the pointer iff T is a pointer type (irrespective of CV qualifiers),
// or the same type T if T is not a pointer type.

template <typename T> struct RemovePointer: AllStatic { typedef T type; };

template <typename T> struct RemovePointer<T*>: AllStatic { typedef T type; };
template <typename T> struct RemovePointer<T* const>: AllStatic { typedef T type; };
template <typename T> struct RemovePointer<T* volatile>: AllStatic { typedef T type; };
template <typename T> struct RemovePointer<T* const volatile>: AllStatic { typedef T type; };

#endif // SHARE_VM_METAPROGRAMMING_REMOVEPOINTER_HPP