mirror of
https://gitlab.kitware.com/cmake/cmake.git
synced 2026-09-25 04:09:36 +03:00
Tyler Yankee
f460a199e3
In debug builds, we assert and abort to give more useful crashes for development (i.e., instead of triggering UB). Otherwise, we get the optimization benefits of `unreachable()` (or the older platform-specific fallbacks per `cm/utility`).
23 lines
1.0 KiB
C++
23 lines
1.0 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file LICENSE.rst or https://cmake.org/licensing for details. */
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#pragma once
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#if defined(NDEBUG)
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# include <cm/utility>
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# define CM_UNREACHABLE \
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do { \
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cm::unreachable(); \
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} while (false)
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#else
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# include <cassert>
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# include <cstdlib>
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# include <iostream>
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# define CM_UNREACHABLE \
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do { \
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std::cerr << "unreachable code path at " << __FILE__ << ':' << __LINE__ \
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<< " in " << __func__ << '\n'; \
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assert(false && "unreachable code path"); \
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std::abort(); \
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} while (false)
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#endif
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