mirror of
https://github.com/Relintai/mono.git
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106 lines
4.0 KiB
C++
106 lines
4.0 KiB
C++
/**************************************************************************/
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/* macros.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef MONO_MACROS_H
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#define MONO_MACROS_H
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#define _GD_VARNAME_CONCAT_B_(m_ignore, m_name) m_name
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#define _GD_VARNAME_CONCAT_A_(m_a, m_b, m_c) _GD_VARNAME_CONCAT_B_(hello there, m_a##m_b##m_c)
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#define _GD_VARNAME_CONCAT_(m_a, m_b, m_c) _GD_VARNAME_CONCAT_A_(m_a, m_b, m_c)
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#define GD_UNIQUE_NAME(m_name) _GD_VARNAME_CONCAT_(m_name, _, __COUNTER__)
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// static assert
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// TODO: Get rid of this macro once we upgrade to C++11
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#ifdef __cpp_static_assert
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#define GD_STATIC_ASSERT(m_cond) static_assert((m_cond), "Condition '" #m_cond "' failed")
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#else
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#define GD_STATIC_ASSERT(m_cond) typedef int GD_UNIQUE_NAME(godot_static_assert)[((m_cond) ? 1 : -1)]
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#endif
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// final
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// TODO: Get rid of this macro once we upgrade to C++11
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#if (__cplusplus >= 201103L)
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#define GD_FINAL final
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#else
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#define GD_FINAL
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#endif
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// noreturn
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// TODO: Get rid of this macro once we upgrade to C++11
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#if (__cplusplus >= 201103L)
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#define GD_NORETURN [[noreturn]]
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#elif defined(__GNUC__)
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#define GD_NORETURN __attribute__((noreturn))
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#elif defined(_MSC_VER)
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#define GD_NORETURN __declspec(noreturn)
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#else
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#define GD_NORETURN
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#pragma message "Macro GD_NORETURN will have no effect"
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#endif
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// unreachable
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#if defined(_MSC_VER)
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#define GD_UNREACHABLE() __assume(0)
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#elif defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 405
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#define GD_UNREACHABLE() __builtin_unreachable()
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#else
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#define GD_UNREACHABLE() \
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CRASH_NOW(); \
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do { \
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} while (true);
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#endif
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namespace gdmono {
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template <typename F>
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struct ScopeExit {
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ScopeExit(F p_exit_func) :
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exit_func(p_exit_func) {}
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~ScopeExit() { exit_func(); }
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F exit_func;
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};
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class ScopeExitAux {
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public:
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template <typename F>
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ScopeExit<F> operator+(F p_exit_func) { return ScopeExit<F>(p_exit_func); }
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};
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} // namespace gdmono
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#define SCOPE_EXIT \
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auto GD_UNIQUE_NAME(gd_scope_exit) = gdmono::ScopeExitAux() + [=]() -> void
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#endif // MONO_MACROS_H
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