/************************************************************************** * * stdexcept.cpp - Illustrate the use of C++ Standard Library exceptions. * * $Id: stdexcept.cpp 550991 2007-06-26 23:58:07Z sebor $ * *************************************************************************** * * 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 1994-2005 Rogue Wave Software. * **************************************************************************/ #include // for string #include // for exception, runtime_error, out_of_range #include // for cout #include #ifndef _RWSTD_NO_EXCEPTIONS int main () { // First we'll incite and catch an exception from the C++ Standard // library class std::string by attempting to replace a substring // starting at a position beyond the end of the string object. try { std::string ().replace (100, 1, 1, 'c'); } catch (std::out_of_range &e) { // Print out the exception string, which in this implementation // includes the location and the name of the function that threw // the exception along with the reason for the exception. std::cout << "Caught an out_of_range exception: " << e.what () << '\n'; } catch (std::exception &e) { std::cout << "Caught an exception of an unexpected type: " << e.what () << '\n'; } catch (...) { std::cout << "Caught an unknown exception\n"; } // Throw another exception. try { throw std::runtime_error ("a runtime error"); } catch (std::runtime_error &e) { std::cout << "Caught a runtime_error exception: " << e.what () << '\n'; } catch (std::exception &e) { std::cout << "Caught an exception of an unexpected type: " << e.what () << '\n'; } catch (...) { std::cout << "Caught an unknown exception\n"; } return 0; } #else // if defined (_RWSTD_NO_EXCEPTIONS) int main () { std::cout << "Exception support disabled.\n"; return 0; } #endif // _RWSTD_NO_EXCEPTIONS