pr25002.cpp

来自「c++编程宝典源码及Quincy99编译器 是《标准C++编程宝典》电子工业出」· C++ 代码 · 共 57 行

////////////////////////////////////////
// File Name: pr25002.cpp
////////////////////////////////////////
#include <iostream>

// Function prototypes.
void foo();

// Exception class declarations.
class Bummer {};
class Dumber {};

////////////////////////////////////////
// The main() function.
////////////////////////////////////////
int main()
{
    // The try block.
    try
    {
        std::cout << "calling foo" << std::endl;
        foo();
        std::cout << "return from foo" << std::endl;
    }

    // Catch exception handler.
    catch(Bummer)
    {
        // Error-handling code.
        std::cout << "catching Bummer" << std::endl;
    }
    catch(Dumber)
    {
        // Error-handling code.
        std::cout << "catching Dumber" << std::endl;
    }
    std::cout << "done" << std::endl;

    return 0;
}

////////////////////////////////////////
// Program function.
////////////////////////////////////////
void foo()
{
    int error = 1;

    // C++ statements to do stuff...

    if (error)
    {
        std::cout << "throwing Dumber" << std::endl;
        throw Dumber();
    }
}