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8183927: Hotspot needs C++ type_traits metaprogramming utilities

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This changeset introduces new metaprogramming utilities typically found in <type_traits> in C++11.

Co-authored-by: Kim Barrett <kim.barrett@oracle.com>
Reviewed-by: kbarrett, rehn, pliden
This commit is contained in:
Erik Österlund 2017-07-11 12:00:48 +02:00
parent ad941e4f9d
commit 454e63fe90
27 changed files with 1266 additions and 0 deletions
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75
hotspot/test/native/metaprogramming/test_removeCV.cpp Normal file
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/*
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "precompiled.hpp"
#include "memory/allocation.hpp"
#include "metaprogramming/removeCV.hpp"
#include "metaprogramming/isSame.hpp"
#include "utilities/debug.hpp"
class RemoveCVTest {
class A: AllStatic {};
typedef const A cA;
typedef volatile A vA;
typedef const volatile A cvA;
typedef A* Aptr;
typedef const A* cAptr;
typedef A* const Aptrc;
typedef const A* const cAptrc;
typedef A& Aref;
typedef const A& cAref;
typedef RemoveCV<A>::type rcv_A;
static const bool rcv_A_is_A = IsSame<rcv_A, A>::value;
STATIC_ASSERT(rcv_A_is_A);
typedef RemoveCV<cA>::type rcv_cA;
static const bool rcv_cA_is_A = IsSame<rcv_cA, A>::value;
STATIC_ASSERT(rcv_cA_is_A);
typedef RemoveCV<vA>::type rcv_vA;
static const bool rcv_vA_is_A = IsSame<rcv_vA, A>::value;
STATIC_ASSERT(rcv_vA_is_A);
typedef RemoveCV<cvA>::type rcv_cvA;
static const bool rcv_cvA_is_A = IsSame<rcv_cvA, A>::value;
STATIC_ASSERT(rcv_cvA_is_A);
typedef RemoveCV<cAptr>::type rcv_cAptr;
static const bool rcv_cAptr_is_cAptr = IsSame<rcv_cAptr, cAptr>::value;
STATIC_ASSERT(rcv_cAptr_is_cAptr);
typedef RemoveCV<Aptrc>::type rcv_Aptrc;
static const bool rcv_Aptrc_is_Aptr = IsSame<rcv_Aptrc, Aptr>::value;
STATIC_ASSERT(rcv_Aptrc_is_Aptr);
typedef RemoveCV<cAptrc>::type rcv_cAptrc;
static const bool rcv_cAptrc_is_cAptr = IsSame<rcv_cAptrc, cAptr>::value;
STATIC_ASSERT(rcv_cAptrc_is_cAptr);
typedef RemoveCV<cAref>::type rcv_cAref;
static const bool rcv_cAref_is_cAref = IsSame<rcv_cAref, cAref>::value;
STATIC_ASSERT(rcv_cAref_is_cAref);
};