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nvidia-rtx-godot / thirdparty / openxr / src / loader / exception_handling.hpp

41 lines · hpp ref: 
// Copyright (c) 2019-2025 The Khronos Group Inc.
//
// SPDX-License-Identifier: Apache-2.0 OR MIT
//
// Initial Author: Rylie Pavlik <rylie.pavlik@collabora.com>
//
// Provides protection for C ABI functions if standard library functions may throw.

#pragma once

#ifdef OPENXR_HAVE_COMMON_CONFIG
#include "common_config.h"
#endif  // OPENXR_HAVE_COMMON_CONFIG

#ifdef XRLOADER_DISABLE_EXCEPTION_HANDLING

#define XRLOADER_ABI_TRY
#define XRLOADER_ABI_CATCH_BAD_ALLOC_OOM
#define XRLOADER_ABI_CATCH_FALLBACK

#else

#include <stdexcept>
#define XRLOADER_ABI_TRY try
#define XRLOADER_ABI_CATCH_BAD_ALLOC_OOM                               \
    catch (const std::bad_alloc&) {                                    \
        LoaderLogger::LogErrorMessage("", "failed allocating memory"); \
        return XR_ERROR_OUT_OF_MEMORY;                                 \
    }
#define XRLOADER_ABI_CATCH_FALLBACK                                                     \
    catch (const std::exception& e) {                                                   \
        LoaderLogger::LogErrorMessage("", "Unknown failure: " + std::string(e.what())); \
        return XR_ERROR_RUNTIME_FAILURE;                                                \
    }                                                                                   \
    catch (...) {                                                                       \
        LoaderLogger::LogErrorMessage("", "Unknown failure");                           \
        return XR_ERROR_RUNTIME_FAILURE;                                                \
    }

#endif