45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
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/* Minimal implementation of make_unique for C++11 compatibility.
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Copyright (C) 2022-2023 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_MAKE_UNIQUE
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#define GCC_MAKE_UNIQUE
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/* This header uses std::unique_ptr, but <memory> can't be directly
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included due to issues with macros. Hence <memory> must be included
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from system.h by defining INCLUDE_MEMORY in any source file using
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make-unique.h. */
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#ifndef INCLUDE_MEMORY
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# error "You must define INCLUDE_MEMORY before including system.h to use make-unique.h"
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#endif
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#include <type_traits>
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/* Minimal implementation of make_unique for C++11 compatibility
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(std::make_unique is C++14). */
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template<typename T, typename... Args>
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inline typename std::enable_if<!std::is_array<T>::value, std::unique_ptr<T>>::type
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make_unique(Args&&... args)
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{
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return std::unique_ptr<T> (new T (std::forward<Args> (args)...));
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}
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#endif /* ! GCC_MAKE_UNIQUE */
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