| // checking for class std::bad_exception |
| |
| /*************************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed |
| * with this work for additional information regarding copyright |
| * ownership. The ASF licenses this file to you under the Apache |
| * License, Version 2.0 (the License); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * permissions and limitations under the License. |
| * |
| * Copyright 1999-2007 Rogue Wave Software, Inc. |
| * |
| **************************************************************************/ |
| |
| #include "config.h" |
| |
| #ifndef _RWSTD_NO_HONOR_STD |
| # ifdef _RWSTD_NO_STD_TERMINATE |
| |
| namespace std { |
| |
| void terminate () |
| { |
| static int *ip; |
| |
| if ((ip [0] = ip [1])) { // force a SIGSEGV |
| ++ip; |
| terminate (); // recurse infinitely |
| } |
| } |
| |
| } // namespace std |
| |
| # endif // _RWSTD_NO_STD_TERMINATE |
| #endif // _RWSTD_NO_HONOR_STD |
| |
| |
| #ifndef _RWSTD_NO_EXCEPTION_SPECIFICATION |
| # define throws(args) throw args |
| #else |
| # define throws(ignore) |
| #endif // _RWSTD_NO_EXCEPTION_SPECIFICATION |
| |
| |
| #ifndef _RWSTD_NO_STD_SET_UNEXPECTED |
| |
| namespace std { |
| |
| #endif // _RWSTD_NO_STD_SET_UNEXPECTED |
| |
| |
| typedef void (*unexpected_handler)(); |
| unexpected_handler set_unexpected (void (*)()) throws (()); |
| |
| |
| #ifndef _RWSTD_NO_STD_SET_UNEXPECTED |
| |
| } // std |
| |
| # define SET_UNEXPECTED(handler) std::set_unexpected (handler) |
| |
| #else |
| |
| # define SET_UNEXPECTED(handler) set_unexpected (handler) |
| |
| #endif // _RWSTD_NO_STD_SET_UNEXPECTED |
| |
| namespace std { |
| |
| class bad_exception { }; |
| |
| } // namespace std |
| |
| |
| // will fail if namespace std is not honored |
| enum bad_exception { }; |
| |
| |
| void foo () throws ((std::bad_exception)) |
| { |
| // throw an object of a disallowed type |
| throw 0; |
| } |
| |
| void handler () |
| { |
| // throw an object of a type not allowed by the exception-specification |
| // of the function that already violated its specification (due to which |
| // the handler has been called); this requires the exception object to be |
| // replaced by the runtime library by one of type [std]::bad_exception |
| throw ""; |
| } |
| |
| int main () |
| { |
| SET_UNEXPECTED (handler); |
| |
| try { |
| // will fail if runtime library doesn't recognize std::::bad_exception |
| // by calling terminate() |
| foo (); |
| } |
| catch (std::bad_exception&) { |
| return 0; |
| } |
| catch (...) { |
| return 1; |
| } |
| |
| // runtime library is broken |
| return 2; |
| } |