82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
// Contracts support header for -*- C++ -*-
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// Copyright (C) 2019-2023 Free Software Foundation, Inc.
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//
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// This file is part of GCC.
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//
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// GCC 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 3, or (at your option)
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// any later version.
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//
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// GCC 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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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file contract
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* This is a Standard C++ Library header.
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*/
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#ifndef _GLIBCXX_CONTRACT
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#define _GLIBCXX_CONTRACT 1
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#pragma GCC system_header
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#if __cplusplus >= 201703L
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#include <string_view>
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#include <cstdint>
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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namespace experimental
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{
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// From P1332
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enum class contract_violation_continuation_mode {
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never_continue, maybe_continue
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};
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class contract_violation {
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const char* _M_file;
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const char* _M_function;
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const char* _M_comment;
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const char* _M_level;
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const char* _M_role;
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uint_least32_t _M_line;
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signed char _M_continue;
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public:
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// From N4820
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uint_least32_t line_number() const noexcept { return _M_line; }
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string_view file_name() const noexcept { return _M_file; }
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string_view function_name() const noexcept { return _M_function; }
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string_view comment() const noexcept { return _M_comment; }
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string_view assertion_level() const noexcept { return _M_level; }
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// From P1332
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string_view assertion_role() const noexcept { return _M_role; }
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contract_violation_continuation_mode continuation_mode() const noexcept
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{ return static_cast<contract_violation_continuation_mode>(_M_continue); }
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};
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} // namespace experimental
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace std
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// To override the contract violation handler, define
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//void ::handle_contract_violation (const std::experimental::contract_violation &);
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#endif // C++17
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#endif // _GLIBCXX_CONTRACT
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