
Assertion semantics closely mimic C++26 Contracts evaluation semantics. This brings our implementation closer in line with C++26 Library Hardening (one particular benefit is that using the `observe` semantic makes adopting hardening easier for projects).
65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ASSERTION_HANDLER
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#define _LIBCPP___ASSERTION_HANDLER
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#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
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# include <__cxx03/__config>
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# include <__cxx03/__verbose_abort>
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# include <__cxx03/__verbose_trap>
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#else
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# include <__config>
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# include <__log_hardening_failure>
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# include <__verbose_abort>
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# include <__verbose_trap>
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#endif
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
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// Keep the old implementation that doesn't support assertion semantics for backward compatibility with the frozen C++03
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// mode.
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# if _LIBCPP_HARDENING_MODE == _LIBCPP_HARDENING_MODE_DEBUG
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# define _LIBCPP_ASSERTION_HANDLER(message) _LIBCPP_VERBOSE_ABORT("%s", message)
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# else
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# define _LIBCPP_ASSERTION_HANDLER(message) _LIBCPP_VERBOSE_TRAP(message)
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# endif // _LIBCPP_HARDENING_MODE == _LIBCPP_HARDENING_MODE_DEBUG
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#else
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# if _LIBCPP_ASSERTION_SEMANTIC == _LIBCPP_ASSERTION_SEMANTIC_IGNORE
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# define _LIBCPP_ASSERTION_HANDLER(message) ((void)0)
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# elif _LIBCPP_ASSERTION_SEMANTIC == _LIBCPP_ASSERTION_SEMANTIC_OBSERVE
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# define _LIBCPP_ASSERTION_HANDLER(message) _LIBCPP_LOG_HARDENING_FAILURE(message)
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# elif _LIBCPP_ASSERTION_SEMANTIC == _LIBCPP_ASSERTION_SEMANTIC_QUICK_ENFORCE
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# define _LIBCPP_ASSERTION_HANDLER(message) _LIBCPP_VERBOSE_TRAP(message)
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# elif _LIBCPP_ASSERTION_SEMANTIC == _LIBCPP_ASSERTION_SEMANTIC_ENFORCE
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# define _LIBCPP_ASSERTION_HANDLER(message) _LIBCPP_VERBOSE_ABORT("%s", message)
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# else
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# error _LIBCPP_ASSERTION_SEMANTIC must be set to one of the following values: \
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_LIBCPP_ASSERTION_SEMANTIC_IGNORE, \
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_LIBCPP_ASSERTION_SEMANTIC_OBSERVE, \
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_LIBCPP_ASSERTION_SEMANTIC_QUICK_ENFORCE, \
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_LIBCPP_ASSERTION_SEMANTIC_ENFORCE
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# endif // _LIBCPP_ASSERTION_SEMANTIC == _LIBCPP_ASSERTION_SEMANTIC_IGNORE
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#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
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#endif // _LIBCPP___ASSERTION_HANDLER
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