diff options
Diffstat (limited to 'lib/libcxx/src/support/runtime/exception_msvc.ipp')
-rw-r--r-- | lib/libcxx/src/support/runtime/exception_msvc.ipp | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/lib/libcxx/src/support/runtime/exception_msvc.ipp b/lib/libcxx/src/support/runtime/exception_msvc.ipp new file mode 100644 index 00000000000..d5bf5b726ea --- /dev/null +++ b/lib/libcxx/src/support/runtime/exception_msvc.ipp @@ -0,0 +1,190 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_ABI_MICROSOFT +#error this header can only be used when targeting the MSVC ABI +#endif + +#include <stdio.h> +#include <stdlib.h> + +#if !defined(_ACRTIMP) +#define _ACRTIMP __declspec(dllimport) +#endif + +#if !defined(_VCRTIMP) +#define _VCRTIMP __declspec(dllimport) +#endif + +#if !defined(__CRTDECL) +#define __CRTDECL __cdecl +#endif + +extern "C" { +typedef void (__CRTDECL* terminate_handler)(); +_ACRTIMP terminate_handler __cdecl set_terminate( + terminate_handler _NewTerminateHandler) throw(); +_ACRTIMP terminate_handler __cdecl _get_terminate(); + +typedef void (__CRTDECL* unexpected_handler)(); +_VCRTIMP unexpected_handler __cdecl set_unexpected( + unexpected_handler _NewUnexpectedHandler) throw(); +_VCRTIMP unexpected_handler __cdecl _get_unexpected(); + +_VCRTIMP int __cdecl __uncaught_exceptions(); +} + +namespace std { + +unexpected_handler +set_unexpected(unexpected_handler func) _NOEXCEPT { + return ::set_unexpected(func); +} + +unexpected_handler get_unexpected() _NOEXCEPT { + return ::_get_unexpected(); +} + +_LIBCPP_NORETURN +void unexpected() { + (*get_unexpected())(); + // unexpected handler should not return + terminate(); +} + +terminate_handler set_terminate(terminate_handler func) _NOEXCEPT { + return ::set_terminate(func); +} + +terminate_handler get_terminate() _NOEXCEPT { + return ::_get_terminate(); +} + +_LIBCPP_NORETURN +void terminate() _NOEXCEPT +{ +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + (*get_terminate())(); + // handler should not return + fprintf(stderr, "terminate_handler unexpectedly returned\n"); + ::abort(); +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + // handler should not throw exception + fprintf(stderr, "terminate_handler unexpectedly threw an exception\n"); + ::abort(); + } +#endif // _LIBCPP_NO_EXCEPTIONS +} + +bool uncaught_exception() _NOEXCEPT { return uncaught_exceptions() > 0; } + +int uncaught_exceptions() _NOEXCEPT { + return __uncaught_exceptions(); +} + +bad_array_length::bad_array_length() _NOEXCEPT +{ +} + +bad_array_length::~bad_array_length() _NOEXCEPT +{ +} + +const char* +bad_array_length::what() const _NOEXCEPT +{ + return "bad_array_length"; +} + +bad_cast::bad_cast() _NOEXCEPT +{ +} + +bad_cast::~bad_cast() _NOEXCEPT +{ +} + +const char * +bad_cast::what() const _NOEXCEPT +{ + return "std::bad_cast"; +} + +bad_typeid::bad_typeid() _NOEXCEPT +{ +} + +bad_typeid::~bad_typeid() _NOEXCEPT +{ +} + +const char * +bad_typeid::what() const _NOEXCEPT +{ + return "std::bad_typeid"; +} + +#if defined(_LIBCPP_NO_VCRUNTIME) +exception::~exception() _NOEXCEPT +{ +} + +const char* exception::what() const _NOEXCEPT +{ + return "std::exception"; +} + + +bad_exception::~bad_exception() _NOEXCEPT +{ +} + +const char* bad_exception::what() const _NOEXCEPT +{ + return "std::bad_exception"; +} + + +bad_alloc::bad_alloc() _NOEXCEPT +{ +} + +bad_alloc::~bad_alloc() _NOEXCEPT +{ +} + +const char* +bad_alloc::what() const _NOEXCEPT +{ + return "std::bad_alloc"; +} + +bad_array_new_length::bad_array_new_length() _NOEXCEPT +{ +} + +bad_array_new_length::~bad_array_new_length() _NOEXCEPT +{ +} + +const char* +bad_array_new_length::what() const _NOEXCEPT +{ + return "bad_array_new_length"; +} +#endif // _LIBCPP_NO_VCRUNTIME + +} // namespace std |