mirror of
https://github.com/matrix-construct/construct
synced 2024-11-15 22:41:12 +01:00
62 lines
3.3 KiB
C++
62 lines
3.3 KiB
C++
// The Construct
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//
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// Copyright (C) The Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2020 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_PANIC_H
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namespace ircd
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{
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void panicking(const std::exception &) noexcept;
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void panicking(const std::exception_ptr &) noexcept;
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void _aborting_() noexcept;
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}
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/// Creates a panic-type exception.
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///
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/// Throwable which will terminate on construction in debug mode but throw
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/// normally in release mode. Ideally this should never be thrown in release
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/// mode because the termination in debug means a test can never pass and
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/// the triggering callsite should be eliminated. Nevertheless it throws
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/// normally in release mode for recovering at an exception handler.
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#define IRCD_PANICKING(parent, name) \
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struct name \
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:parent \
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{ \
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template<class... args> \
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[[gnu::noinline]] \
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name(const string_view &fmt, args&&... ap) noexcept \
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:parent{generate_skip} \
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{ \
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generate(#name, fmt, ircd::va_rtti{std::forward<args>(ap)...}); \
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ircd::panicking(*this); \
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} \
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\
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template<class... args> \
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[[gnu::noinline]] \
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name(const string_view &fmt = " ") noexcept \
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:parent{generate_skip} \
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{ \
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generate(#name, fmt, ircd::va_rtti{}); \
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ircd::panicking(*this); \
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} \
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\
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[[gnu::always_inline]] \
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name(generate_skip_t) \
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:parent{generate_skip} \
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{ \
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} \
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};
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namespace ircd
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{
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// panic errors; see IRCD_PANICKING docs.
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IRCD_PANICKING(exception, panic)
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IRCD_PANICKING(panic, not_implemented)
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}
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