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catch2/include/internal/catch_startup_exception_registry.cpp

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Collect startup exceptions instead of throwing them Previously, some errors in Catch configuration would cause exceptions to be thrown before main was even entered. This leads to call to `std::terminate`, which is not a particularly nice way of ending the binary. Now these exceptions are registered with a global collector and used once Catch enters main. They can also be optionally ignored, if user supplies his own main and opts not to check them (or ignored them intentionally). Closes #921
2017-06-04 21:39:27 +02:00
/*
* Created by Martin on 04/06/2017.
* Copyright 2017 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#include "catch_startup_exception_registry.h"
Add support for -fno-exceptions (or equivalent) This means * Adding new configuration toggle `CATCH_CONFIG_DISABLE_EXCEPTIONS` and a best-guess configuration auto-checking for it. * Adding new set of internal macros, `CATCH_TRY`, `CATCH_CATCH_ALL` and `CATCH_CATCH_ANON` that can be used in place of regular `try`, `catch(...)` and `catch(T const&)` respectively, while disappearing when `CATCH_CONFIG_DISABLE_EXCEPTIONS` is enabled. * Replacing all uses of `throw` with calls to `Catch::throw_exception` customization point. * Providing a default implementation for the above customization point when `CATCH_CONFIG_DISABLE_EXCEPTIONS` is set. * Letting users override this implementation with their own. * Some minor changes and ifdefs all around to support the above
2018-09-03 17:52:48 +02:00
#include "catch_compiler_capabilities.h"
Collect startup exceptions instead of throwing them Previously, some errors in Catch configuration would cause exceptions to be thrown before main was even entered. This leads to call to `std::terminate`, which is not a particularly nice way of ending the binary. Now these exceptions are registered with a global collector and used once Catch enters main. They can also be optionally ignored, if user supplies his own main and opts not to check them (or ignored them intentionally). Closes #921
2017-06-04 21:39:27 +02:00
Hide std::exception_ptr and friends if exceptions disabled Some compilers, e.g. the Green Hills C++ compiler, react badly to the appearance of std::exception_ptr, std::current_exception, std::rethrow_exception and std::uncaught_exception(s). To allow usage of Catch2 with these compilers when exceptions are disabled, hide the usage of std::exception_ptr etc. when compiling with CATCH_CONFIG_DISABLE_EXCEPTIONS.
2020-06-04 11:53:13 +02:00
#if !defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
Collect startup exceptions instead of throwing them Previously, some errors in Catch configuration would cause exceptions to be thrown before main was even entered. This leads to call to `std::terminate`, which is not a particularly nice way of ending the binary. Now these exceptions are registered with a global collector and used once Catch enters main. They can also be optionally ignored, if user supplies his own main and opts not to check them (or ignored them intentionally). Closes #921
2017-06-04 21:39:27 +02:00
namespace Catch {
Add support for -fno-exceptions (or equivalent) This means * Adding new configuration toggle `CATCH_CONFIG_DISABLE_EXCEPTIONS` and a best-guess configuration auto-checking for it. * Adding new set of internal macros, `CATCH_TRY`, `CATCH_CATCH_ALL` and `CATCH_CATCH_ANON` that can be used in place of regular `try`, `catch(...)` and `catch(T const&)` respectively, while disappearing when `CATCH_CONFIG_DISABLE_EXCEPTIONS` is enabled. * Replacing all uses of `throw` with calls to `Catch::throw_exception` customization point. * Providing a default implementation for the above customization point when `CATCH_CONFIG_DISABLE_EXCEPTIONS` is set. * Letting users override this implementation with their own. * Some minor changes and ifdefs all around to support the above
2018-09-03 17:52:48 +02:00
void StartupExceptionRegistry::add( std::exception_ptr const& exception ) noexcept {
CATCH_TRY {
Made everything used in test case registration noexcept - this prevents warnings about startup-time exceptions
2017-07-13 09:25:47 +02:00
m_exceptions.push_back(exception);
Add support for -fno-exceptions (or equivalent) This means * Adding new configuration toggle `CATCH_CONFIG_DISABLE_EXCEPTIONS` and a best-guess configuration auto-checking for it. * Adding new set of internal macros, `CATCH_TRY`, `CATCH_CATCH_ALL` and `CATCH_CATCH_ANON` that can be used in place of regular `try`, `catch(...)` and `catch(T const&)` respectively, while disappearing when `CATCH_CONFIG_DISABLE_EXCEPTIONS` is enabled. * Replacing all uses of `throw` with calls to `Catch::throw_exception` customization point. * Providing a default implementation for the above customization point when `CATCH_CONFIG_DISABLE_EXCEPTIONS` is set. * Letting users override this implementation with their own. * Some minor changes and ifdefs all around to support the above
2018-09-03 17:52:48 +02:00
} CATCH_CATCH_ALL {
Made everything used in test case registration noexcept - this prevents warnings about startup-time exceptions
2017-07-13 09:25:47 +02:00
// If we run out of memory during start-up there's really not a lot more we can do about it
std::terminate();
}
Collect startup exceptions instead of throwing them Previously, some errors in Catch configuration would cause exceptions to be thrown before main was even entered. This leads to call to `std::terminate`, which is not a particularly nice way of ending the binary. Now these exceptions are registered with a global collector and used once Catch enters main. They can also be optionally ignored, if user supplies his own main and opts not to check them (or ignored them intentionally). Closes #921
2017-06-04 21:39:27 +02:00
}
Made everything used in test case registration noexcept - this prevents warnings about startup-time exceptions
2017-07-13 09:25:47 +02:00
std::vector<std::exception_ptr> const& StartupExceptionRegistry::getExceptions() const noexcept {
Collect startup exceptions instead of throwing them Previously, some errors in Catch configuration would cause exceptions to be thrown before main was even entered. This leads to call to `std::terminate`, which is not a particularly nice way of ending the binary. Now these exceptions are registered with a global collector and used once Catch enters main. They can also be optionally ignored, if user supplies his own main and opts not to check them (or ignored them intentionally). Closes #921
2017-06-04 21:39:27 +02:00
return m_exceptions;
}
} // end namespace Catch
Hide std::exception_ptr and friends if exceptions disabled Some compilers, e.g. the Green Hills C++ compiler, react badly to the appearance of std::exception_ptr, std::current_exception, std::rethrow_exception and std::uncaught_exception(s). To allow usage of Catch2 with these compilers when exceptions are disabled, hide the usage of std::exception_ptr etc. when compiling with CATCH_CONFIG_DISABLE_EXCEPTIONS.
2020-06-04 11:53:13 +02:00
#endif
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