stack_unwinding.cpp

#include <iostream>
#include <string>

using namespace std;

void Last() // called by Third()
{
	cout << "Start Last" << endl;
	cout << "Last throwing int exception" << endl;
	throw -1;

	cout << "End Last" << endl;

}

void Third() // called by Second()
{
	// Will not be free'ed
	string * sThirdStand = new string ("Third Samurai");
	
	cout << "Start Third" << endl;
	Last();
	
	cout << *sThirdStand << endl;
	cout << "End Third" << endl;

	delete sThirdStand;
}

void Second() // called by First()
{
	cout << "Start Second" << endl;
	try
	{
		Third();
	}
	catch(double)
	{
		cerr << "Second caught double exception" << endl;
	}
	cout << "End Second" << endl;
}

void First() // called by main()
{
	cout << "Start First" << endl;
	try
	{
		Second();
	}
	catch (int)
	{
		cerr << "First caught int exception" << endl;
	}
	catch (double)
	{
		cerr << "First caught double exception" << endl;
	}
	cout << "End First" << endl;
}

int main()
{
	cout << "Start main" << endl;
	try
	{
		First();
	}
	catch (int)
	{
		cerr << "main caught int exception" << endl;
	}
	cout << "End main" << endl;

	return 0;
}