98 lines
2.3 KiB
C++
98 lines
2.3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include <cstdlib>
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namespace base {
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namespace assertion {
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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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// Release build assertions.
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inline constexpr void noop() {
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}
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[[noreturn]] inline void fail(
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const char *message,
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const char *file,
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int line) {
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log(message, file, line);
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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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// Silent the possible failure to comply noreturn warning.
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std::abort();
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}
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constexpr const char* extract_basename(const char* path, size_t size) {
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while (size != 0 && path[size - 1] != '/' && path[size - 1] != '\\') {
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--size;
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}
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return path + size;
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}
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} // namespace assertion
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} // namespace base
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#if defined(__clang__) || defined(__GNUC__)
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#define AssertUnlikelyHelper(x) __builtin_expect(!!(x), 0)
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#else
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#define AssertUnlikelyHelper(x) (!!(x))
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#endif
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#define AssertValidationCondition(condition, message, file, line)\
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((AssertUnlikelyHelper(!(condition)))\
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? ::base::assertion::fail(message, file, line)\
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: ::base::assertion::noop())
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#define SOURCE_FILE_BASENAME (::base::assertion::extract_basename(\
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__FILE__,\
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sizeof(__FILE__)))
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#define AssertCustom(condition, message) (AssertValidationCondition(\
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condition,\
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message,\
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SOURCE_FILE_BASENAME,\
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__LINE__))
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#define Assert(condition) AssertCustom(condition, "\"" #condition "\"")
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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) (AssertValidationCondition(\
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condition,\
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"\"" #condition "\"",\
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SOURCE_FILE_BASENAME,\
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__LINE__))
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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) (AssertValidationCondition(\
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condition,\
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"\"" #condition "\"",\
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SOURCE_FILE_BASENAME,\
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__LINE__))
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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(\
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"Unexpected: " message,\
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SOURCE_FILE_BASENAME,\
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__LINE__))
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#ifdef _DEBUG
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#define AssertIsDebug(...)
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#endif // _DEBUG
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