81 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| This file is part of Telegram Desktop,
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| the official desktop version of Telegram messaging app, see https://telegram.org
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| 
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| Telegram Desktop 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 of the License, or
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| (at your option) any later version.
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| 
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| It 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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| In addition, as a special exception, the copyright holders give permission
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| to link the code of portions of this program with the OpenSSL library.
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| 
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| Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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| Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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| */
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| #pragma once
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| 
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| #include <cstdlib>
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| 
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| namespace base {
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| namespace assertion {
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| 
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| // Client must define that method.
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| void log(const char *message, const char *file, int line);
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| 
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| // Release build assertions.
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| inline constexpr void noop() {
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| }
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| 
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| [[noreturn]] inline void fail(const char *message, const char *file, int line) {
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| 	log(message, file, line);
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| 
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| 	// Crash with access violation and generate crash report.
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| 	volatile auto nullptr_value = (int*)nullptr;
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| 	*nullptr_value = 0;
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| 
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| 	// Silent the possible failure to comply noreturn warning.
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| 	std::abort();
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| }
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| 
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| #ifndef GSL_UNLIKELY
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| #define DEFINED_GSL_UNLIKELY_
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| #define GSL_UNLIKELY(expression) (expression)
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| #endif // GSL_UNLIKELY
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| 
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| inline constexpr void validate(bool condition, const char *message, const char *file, int line) {
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| 	(GSL_UNLIKELY(!(condition))) ? fail(message, file, line) : noop();
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| }
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| 
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| #ifdef DEFINED_GSL_UNLIKELY_
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| #undef GSL_UNLIKELY
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| #undef DEFINED_GSL_UNLIKELY_
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| #endif // DEFINED_GSL_UNLIKELY_
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| 
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| } // namespace assertion
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| } // namespace base
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| 
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| #define AssertCustom(condition, message) (::base::assertion::validate(condition, message, __FILE__, __LINE__))
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| #define Assert(condition) AssertCustom(condition, "\"" #condition "\"")
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| 
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| // Define our own versions of Expects() and Ensures().
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| // Let them crash with reports and logging.
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| #ifdef Expects
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| #undef Expects
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| #endif // Expects
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| #define Expects(condition) (::base::assertion::validate(condition, "\"" #condition "\"", __FILE__, __LINE__))
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| 
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| #ifdef Ensures
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| #undef Ensures
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| #endif // Ensures
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| #define Ensures(condition) (::base::assertion::validate(condition, "\"" #condition "\"", __FILE__, __LINE__))
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| 
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| #ifdef Unexpected
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| #undef Unexpected
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| #endif // Unexpected
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| #define Unexpected(message) (::base::assertion::fail("Unexpected: " message, __FILE__, __LINE__))
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