src/catch2/internal/catch_main.cpp


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//              Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
//   (See accompanying file LICENSE.txt or copy at
//        https://www.boost.org/LICENSE_1_0.txt)

// SPDX-License-Identifier: BSL-1.0
#include <catch2/catch_session.hpp>
#include <catch2/internal/catch_compiler_capabilities.hpp>
#include <catch2/internal/catch_config_wchar.hpp>
#include <catch2/internal/catch_leak_detector.hpp>
#include <catch2/internal/catch_platform.hpp>

namespace Catch {
    CATCH_INTERNAL_START_WARNINGS_SUPPRESSION
    CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
    static LeakDetector leakDetector;
    CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
}

// Allow users of amalgamated .cpp file to remove our main and provide their own.
#if !defined(CATCH_AMALGAMATED_CUSTOM_MAIN)

#if defined(CATCH_CONFIG_WCHAR) && defined(CATCH_PLATFORM_WINDOWS) && defined(_UNICODE) && !defined(DO_NOT_USE_WMAIN)
// Standard C/C++ Win32 Unicode wmain entry point
extern "C" int __cdecl wmain (int argc, wchar_t * argv[], wchar_t * []) {
#else
// Standard C/C++ main entry point
int main (int argc, char * argv[]) {
#endif

    // We want to force the linker not to discard the global variable
    // and its constructor, as it (optionally) registers leak detector
    (void)&Catch::leakDetector;

    return Catch::Session().run( argc, argv );
}

#endif // !defined(CATCH_AMALGAMATED_CUSTOM_MAIN