C++ Library containing a lot of needful things: Stack Trace, Command Line Parser, Resource Handling, Configuration Files, Unix Command Execution, Directories, Regular Expressions, Tokenizer, Function Trace, Standard Extensions.
56 lines
1.4 KiB
56 lines
1.4 KiB
13 years ago
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#include <mrw/exception.hxx>
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#include <mrw/stacktrace.hxx>
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21 years ago
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#include <exception>
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#include <iostream>
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void unexpectedHandler() {
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try {
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throw;
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} catch (mrw::exception& x) {
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mrw::StackTrace::createSymtable();
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std::cerr<<"UNEXPECTED:"<<x.what()<<std::endl
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<<"---------------------------Stack:"<<std::endl
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<<x.stacktrace()
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<<"---------------------------------"<<std::endl;
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} catch (std::exception& x) {
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std::cerr<<"UNEXPECTED:"<<x.what()<<std::endl;
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} catch (...) {
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std::cerr<<"UNKNOWN UNEXPECTED"<<std::endl;
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}
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throw std::bad_exception(); // try to recover
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}
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void fn2() throw(std::bad_exception) {
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std::cout<<"enter fn2"<<std::endl;
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throw mrw::exception(); // that's wrong, no exception excpected
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std::cout<<"leave fn2"<<std::endl;
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}
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void fn1() throw(std::bad_exception) {
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std::cout<<"enter fn1"<<std::endl;
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fn2();
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std::cout<<"leave fn1"<<std::endl;
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}
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void fn0() throw(std::bad_exception) {
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std::cout<<"enter fn0"<<std::endl;
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try {
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fn1();
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} catch (std::exception& x) {
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std::cerr<<"EXCEPTION caught in fn0:"<<x.what()<<std::endl;
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}
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std::cout<<"leave fn0"<<std::endl;
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}
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int main() {
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std::set_unexpected(&unexpectedHandler);
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try {
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std::cout<<"call fn0"<<std::endl;
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fn0();
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std::cout<<"call of fn0 successful"<<std::endl;
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} catch (...) {
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std::cerr<<"OOOPS!!!"<<std::endl;
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}
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return 0;
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}
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