Arbutils/CInterface/Core.hpp

#ifndef ARBUTILS_CORE_HPP
#define ARBUTILS_CORE_HPP

#include <exception>
#include <string>
#include "../src/Exception.hpp"
#define export extern "C" [[maybe_unused]]

#define ArbutilsException 3;

/// @brief Handler class for storing C++ exceptions, and passing them over a C interface.
class ExceptionHandler {
    static std::string _ArbutilsLastException;

public:
    /// @brief Stores the last found exception. Overrides previously last found exception.
    /// @param e The last found exception as Arbutils exception.
    static void SetLastException(const ArbUt::Exception& e) {
        _ArbutilsLastException = std::string(e.what()) + "\n" + e.GetStacktrace();
    }
    /// @brief Stores the last found exception. Overrides previously last found exception.
    /// @param e The last found exception as std exception.
    static void SetLastException(const std::exception& e) { _ArbutilsLastException = std::string(e.what()); }
    /// @brief Returns the last found exception as null-terminated C string.
    /// @return A null-terminated c string detailing the last found exception.
    static const char* GetLastException() { return _ArbutilsLastException.c_str(); }
};

#define Try(data)                                                                                                      \
    try {                                                                                                              \
        data;                                                                                                          \
        return 0;                                                                                                      \
    } catch (const ArbUt::Exception& e) {                                                                              \
        ExceptionHandler::SetLastException(e);                                                                         \
        return ArbutilsException;                                                                                      \
    } catch (const std::exception& e) {                                                                                \
        ExceptionHandler::SetLastException(e);                                                                         \
        return ArbutilsException;                                                                                      \
    }

#endif // ARBUTILS_CORE_HPP