51 lines
2.0 KiB
C++
51 lines
2.0 KiB
C++
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// fig12_03.cpp
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// Rethrowing an exception.
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#include <iostream>
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#include <exception>
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// throw, catch and rethrow exception
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void throwException() {
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// throw exception and catch it immediately
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try {
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std::cout << " Function throwException throws an exception\n";
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throw std::exception{}; // generate exception
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}
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catch (const std::exception&) { // handle exception
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std::cout << " Exception handled in function throwException"
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<< "\n Function throwException rethrows exception";
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throw; // rethrow exception for further processing
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}
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std::cout << "This should not print\n";
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}
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int main() {
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// call throwException
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try {
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std::cout << "main invokes function throwException\n";
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throwException();
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std::cout << "This should not print\n";
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}
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catch (const std::exception&) { // handle exception
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std::cout << "\n\nException handled in main\n";
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}
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std::cout << "Program control continues after catch in main\n";
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}
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/**************************************************************************
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* (C) Copyright 1992-2022 by Deitel & Associates, Inc. and *
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* Pearson Education, Inc. All Rights Reserved. *
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* *
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* DISCLAIMER: The authors and publisher of this book have used their *
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* best efforts in preparing the book. These efforts include the *
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* development, research, and testing of the theories and programs *
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* to determine their effectiveness. The authors and publisher make *
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* no warranty of any kind, expressed or implied, with regard to these *
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* programs or to the documentation contained in these books. The authors *
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* and publisher shall not be liable in any event for incidental or *
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* consequential damages in connection with, or arising out of, the *
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* furnishing, performance, or use of these programs. *
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**************************************************************************/
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