mirror of
https://github.com/codership/wsrep-lib.git
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d48122a1fa
The fallthrough comment is not enough to silence the warning with -Wimplicit-fallthrough=5. This commit also fixes submodule handling in github actions.
71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
/*
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* Copyright (C) 2018 Codership Oy <info@codership.com>
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*
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* This file is part of wsrep-lib.
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*
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* Wsrep-lib is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* Wsrep-lib is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with wsrep-lib. If not, see <https://www.gnu.org/licenses/>.
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*/
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/** @file compiler.hpp
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*
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* Compiler specific macro definitions.
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*
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* WSREP_NOEXCEPT - Specifies that the method/function does not throw. If
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* and exception is thrown inside, std::terminate is called
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* without propagating the exception.
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* Set to "noexcept" if the compiler supports it, otherwise
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* left empty.
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* WSREP_NORETURN - Indicates that the method/function does not return.
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* Set to attribute "[[noreturn]]" if the compiler supports,
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* it, otherwise "__attribute__((noreturn))".
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* WSREP_OVERRIDE - Set to "override" if the compiler supports it, otherwise
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* left empty.
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* WSREP_UNUSED - Can be used to mark variables which may be present in
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* debug builds but not in release builds.
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* WSREP_FALLTHROUGH - Silence implicit fallthrough warning.
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*/
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#ifndef WSREP_LIB_COMPILER_HPP
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#define WSREP_LIB_COMPILER_HPP
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#if __cplusplus >= 201103L && !(__GNUC__ == 4 && __GNUG_MINOR__ < 8)
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#define WSREP_NORETURN [[noreturn]]
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#else
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#define WSREP_NORETURN __attribute__((noreturn))
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#endif // __cplusplus >= 201103L && !(__GNUC__ == 4 && __GNUG_MINOR__ < 8)
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#if __cplusplus >= 201103L
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#define WSREP_NOEXCEPT noexcept
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#define WSREP_OVERRIDE override
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#else
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#define WSREP_NOEXCEPT
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#define WSREP_OVERRIDE
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#endif // __cplusplus >= 201103L
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#define WSREP_UNUSED __attribute__((unused))
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#if __GNUC__ >= 7
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#define WSREP_FALLTHROUGH __attribute__((fallthrough))
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#elif defined(__clang__)
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# if defined(__has_warning)
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# if __has_feature(cxx_attributes) && __has_warning("-Wimplicit-fallthrough")
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# define WSREP_FALLTHROUGH [[clang::fallthrough]]
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# endif
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# endif
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#else // __clang __
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#define WSREP_FALLTHROUGH ((void)0)
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#endif // __GNUC__ >= 7 || (__clang__ && __clang_major__ >= 10)
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#endif // WSREP_LIB_COMPILER_HPP
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