Files
MIRROR-LX-OriginalRepo/common/ThrowIf.h
Pasha Bibko 616ed1ca21 Refactored error handling
Now uses base error class which has an abstract function for overiding how it is displayed to the console.
2025-05-05 15:44:59 +01:00

32 lines
916 B
C++

#pragma once
// Type traits is included for std::is_base_of_v //
#include <type_traits>
namespace LX
{
// Foward declares LX::RuntimeError so it can be used to see if a class derives from //
struct RuntimeError;
// Util function to throw an error if the condition is met //
// Given error type must derive from LX::RuntimeError //
template<typename Error, typename... Args>
inline void ThrowIf(const bool condition, Args&&... args)
{
// Checks that the error type will be caught by the error checker //
static_assert
(
std::is_base_of_v<LX::RuntimeError, Error>,
"Must throw a type that derives from LX::RuntimeError"
);
// Checks if the condition is met and micro-optimises that errors will not be thrown //
if (condition) [[unlikely]]
{
// Throws a COPY of the error and not itself //
// How C++ works, no way around it //
throw Error(std::forward<Args>(args)...);
}
}
}