assert.hpp

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#pragma once
 
/// @file userver/utils/assert.hpp
/// @brief Assertion macros UASSERT, UASSERT_MSG, UINVARIANT
/// @ingroup userver_universal
 
#include <string_view>
 
USERVER_NAMESPACE_BEGIN
 
namespace utils::impl {
 
[[noreturn]] void UASSERT_failed(std::string_view expr, const char* file,
                                 unsigned int line, const char* function,
                                 std::string_view msg) noexcept;
 
[[noreturn]] void LogAndThrowInvariantError(std::string_view condition,
                                            std::string_view message);
 
#ifdef NDEBUG
inline constexpr bool kEnableAssert = false;
#else
inline constexpr bool kEnableAssert = true;
#endif
 
extern bool dump_stacktrace_on_assert_failure;
 
[[noreturn]] void AbortWithStacktrace(std::string_view message) noexcept;
 
}  // namespace utils::impl
 
USERVER_NAMESPACE_END
 
/// @brief Assertion macro for that aborts execution in DEBUG builds with a
/// message `msg` and does nothing in release builds
///
/// @hideinitializer
// NOLINTNEXTLINE (cppcoreguidelines-macro-usage)
#define UASSERT_MSG(expr, msg)
  do {
    if (USERVER_NAMESPACE::utils::impl::kEnableAssert) {
      if (expr) {
      } else {
        USERVER_NAMESPACE::utils::impl::UASSERT_failed(
            #expr, __FILE__, __LINE__, __func__, msg);
      }
    }
  } while (0)
 
/// @brief Assertion macro that aborts execution in DEBUG builds and does
/// nothing in release builds
///
/// @hideinitializer
// NOLINTNEXTLINE (cppcoreguidelines-macro-usage)
#define UASSERT(expr) UASSERT_MSG(expr, std::string_view{})
 
/// @brief Asserts in debug builds, throws utils::InvariantError in release
///
/// @hideinitializer
// NOLINTNEXTLINE (cppcoreguidelines-macro-usage)
#define UINVARIANT(condition, message)
  do {
    if (condition) {
    } else {
      if constexpr (USERVER_NAMESPACE::utils::impl::kEnableAssert) {
        USERVER_NAMESPACE::utils::impl::UASSERT_failed(
            #condition, __FILE__, __LINE__, __func__, message);
      } else {
        USERVER_NAMESPACE::utils::impl::LogAndThrowInvariantError(#condition,
                                                                  message);
      }
    }
  } while (0)