214 lines
7.5 KiB
C
214 lines
7.5 KiB
C
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// vim: set sts=8 ts=2 sw=2 tw=99 et:
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//
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// Copyright (C) 2014, David Anderson and AlliedModders LLC
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of AlliedModders LLC nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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#ifndef _include_amtl_cxx_support_h_
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#define _include_amtl_cxx_support_h_
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#if defined(__clang__)
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# if !(defined(__clang_major__) && defined(__clang_minor__))
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# define KE_CLANG_MAJOR 1
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# define KE_CLANG_MINOR __GNUC_MINOR__
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# else
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# if defined(__apple_build_version__) && clang_major__ > 3
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// 4.0 => 3.1, 4.1 => 3.2
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# if __clang_major__ == 4
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# define KE_CLANG_MAJOR 3
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# if __clang_minor__ == 0
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# define KE_CLANG_MINOR 1
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# else
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# define KE_CLANG_MINOR 2
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# endif
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// 5.0 => 3.3, 5.1 => 3.4
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# elif __clang_major__ == 5
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# define KE_CLANG_MAJOR 3
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# if __clang_minor__ == 0
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# define KE_CLANG_MINOR 3
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# else
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# define KE_CLANG_MINOR 4
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# endif
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# elif __clang_major__ == 6
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# define KE_CLANG_MAJOR 3
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# define KE_CLANG_MINOR 5
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# endif
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# endif
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# if !defined(KE_CLANG_MAJOR)
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# define KE_CLANG_MAJOR __clang_major__
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# endif
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# if !defined(KE_CLANG_MINOR)
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# define KE_CLANG_MINOR __clang_minor__
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# endif
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# endif
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// Done with horrible clang version detection.
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# define KE_CLANG_AT_LEAST(x, y) \
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((__clang_major__ > (x)) || (__clang_major__ == x && __clang_minor__ >= y))
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# if KE_CLANG_AT_LEAST(2, 9)
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# define KE_CXX_HAS_RVAL_REFS 30
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# define KE_CXX_HAS_DELETE
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# define KE_CXX_HAS_STATIC_ASSERT
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# define KE_CXX_HAS_DOUBLE_GT
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# define KE_CXX_HAS_ENUM_CLASS
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# endif
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# if KE_CLANG_AT_LEAST(3, 0)
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# define KE_CXX_HAS_OVERRIDE
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# define KE_CXX_HAS_EXPLICIT_BOOL
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# define KE_CXX_HAS_NULLPTR
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# define KE_CXX_HAS_NOEXCEPT
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# endif
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# if KE_CLANG_AT_LEAST(3, 1)
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# define KE_CXX_HAS_CONSTEXPR
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# endif
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#elif defined(__GNUC__)
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# define KE_GCC_AT_LEAST(x, y) ((__GNUC__ > (x)) || (__GNUC__ == x && __GNUC_MINOR__ >= y))
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# if KE_GCC_AT_LEAST(4, 3)
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# define KE_CXX_HAS_RVAL_REFS 10
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# define KE_CXX_HAS_STATIC_ASSERT
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# define KE_CXX_HAS_DOUBLE_GT
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# endif
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# if KE_GCC_AT_LEAST(4, 4)
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# define KE_CXX_HAS_DELETE
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# define KE_CXX_HAS_ENUM_CLASS
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# endif
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# if KE_GCC_AT_LEAST(4, 5)
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# define KE_CXX_HAS_EXPLICIT_BOOL
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# undef KE_CXX_HAS_RVAL_REFS
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# define KE_CXX_HAS_RVAL_REFS 21
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# endif
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# if KE_GCC_AT_LEAST(4, 6)
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# define KE_CXX_HAS_NULLPTR
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# define KE_CXX_HAS_NOEXCEPT
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# define KE_CXX_HAS_CONSTEXPR
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# undef KE_CXX_HAS_RVAL_REFS
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# define KE_CXX_HAS_RVAL_REFS 30
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# endif
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# if KE_GCC_AT_LEAST(4, 7)
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# define KE_CXX_HAS_OVERRIDE
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# endif
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#elif defined(_MSC_VER)
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# if _MSC_VER >= 1600
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# define KE_CXX_HAS_RVAL_REFS 20
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# define KE_CXX_HAS_STATIC_ASSERT
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# define KE_CXX_HAS_DOUBLE_GT
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# define KE_CXX_HAS_NULLPTR
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# endif
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# if _MSC_VER >= 1700
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# undef KE_CXX_HAS_RVAL_REFS
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# define KE_CXX_HAS_RVAL_REFS 21
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# define KE_CXX_HAS_OVERRIDE
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# define KE_CXX_HAS_ENUM_CLASS
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# endif
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# if _MSC_VER >= 1800
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# define KE_CXX_HAS_DELETE
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# define KE_CXX_HAS_EXPLICIT_BOOL
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# endif
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# if _MSC_VER == 1800 && _MSC_FULL_VER == 180021114
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# define KE_CXX_HAS_CONSTEXPR
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# endif
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#else
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# error Unrecognized compiler.
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#endif
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// Done with compiler feature detection.
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#if defined(KE_CXX_HAS_OVERRIDE)
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# define KE_OVERRIDE override
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#else
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# define KE_OVERRIDE
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#endif
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#if defined(KE_CXX_HAS_DELETE)
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# define KE_DELETE = delete
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#else
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# define KE_DELETE
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#endif
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#if defined(KE_CXX_HAS_NOEXCEPT)
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# define KE_NOEXCEPT noexcept
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#else
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# define KE_NOEXCEPT
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#endif
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#if defined(KE_CXX_HAS_CONSTEXPR)
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# define KE_CONSTEXPR constexpr
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#else
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# define KE_CONSTEXPR
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#endif
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#if defined(KE_CXX_HAS_STATIC_ASSERT)
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# define KE_STATIC_ASSERT(cond) static_assert(cond, #cond)
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#else
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# define KE_STATIC_ASSERT(cond) extern int static_assert_f(int a[(cond) ? 1 : -1])
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#endif
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#if !defined(KE_CXX_HAS_RVAL_REFS) || KE_CXX_HAS_RVAL_REFS < 21
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//# error AMTL requires rvalue reference 2.1 support (N2844+)
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#endif
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#if !defined(KE_CXX_HAS_DOUBLE_GT)
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# error AMTL requires support for >> in template names
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#endif
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#if !defined(KE_CXX_HAS_NULLPTR)
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# if defined(__GNUC__) && !defined(__clang__)
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# define nullptr __null
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# define KE_CXX_HAS_NULLPTR
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# else
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# error AMTL requires nullptr support
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# endif
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#endif
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#define KE_DEFINE_ENUM_OPERATORS(EnumName) \
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static inline EnumName operator |(const EnumName &left, const EnumName &right) { \
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return EnumName(uint32_t(left) | uint32_t(right)); \
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} \
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static inline EnumName operator &(const EnumName &left, const EnumName &right) { \
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return EnumName(uint32_t(left) & uint32_t(right)); \
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} \
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static inline EnumName operator ^(const EnumName &left, const EnumName &right) { \
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return EnumName(uint32_t(left) ^ uint32_t(right)); \
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} \
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static inline EnumName operator ~(const EnumName &flags) { \
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return EnumName(~uint32_t(flags)); \
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} \
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static inline EnumName & operator |=(EnumName &left, const EnumName &right) { \
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return left = left | right; \
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} \
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static inline EnumName & operator &=(EnumName &left, const EnumName &right) { \
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return left = left & right; \
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} \
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static inline EnumName & operator ^=(EnumName &left, const EnumName &right) { \
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return left = left ^ right; \
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} \
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static inline bool operator !(const EnumName &obj) { \
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return uint32_t(obj) == 0; \
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}
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#endif // _include_amtl_cxx_support_h_
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