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Add support for -fno-exceptions (or equivalent)

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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
This commit is contained in:
Martin Hořeňovský 2018-09-03 17:52:48 +02:00
parent 86da2846af
commit 8b01883854
12 changed files with 102 additions and 23 deletions
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8
include/internal/catch_startup_exception_registry.cpp
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@ -7,13 +7,13 @@
*/
#include "catch_startup_exception_registry.h"
#include "catch_compiler_capabilities.h"
namespace Catch {
void StartupExceptionRegistry::add( std::exception_ptr const& exception ) noexcept {
try {
void StartupExceptionRegistry::add( std::exception_ptr const& exception ) noexcept {
CATCH_TRY {
m_exceptions.push_back(exception);
}
catch(...) {
} CATCH_CATCH_ALL {
// If we run out of memory during start-up there's really not a lot more we can do about it
std::terminate();
}