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The CICA Windows Explosion!
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eckelt01.zip
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16
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NONLOCAL.CPP
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1995-02-23
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// File from page 684 in "Thinking in C++" by Bruce Eckel
//////////////////////////////////////////////////
// From the compressed package ECKELT01.ZIP 2/21/95
// Copyright (c) Bruce Eckel, 1995
// Source code file from the book "Thinking in C++",
// Prentice Hall, 1995, ISBN: 0-13-917709-4
// All rights reserved EXCEPT as allowed by the following
// statements: You may freely use this file for your own
// work, including modifications and distribution in
// executable form only. You may copy and distribute this
// file, as long as it is only distributed in the complete
// (compressed) package with the other files from this
// book and you do not remove this copyright and notice.
// You may not distribute modified versions of the source
// code in this package. This package may be freely placed
// on bulletin boards, internet nodes, shareware disks and
// product vendor disks. You may not use this file in
// printed media without the express permission of the
// author. Bruce Eckel makes no
// representation about the suitability of this software
// for any purpose. It is provided "as is" without express
// or implied warranty of any kind. The entire risk as to
// the quality and performance of the software is with
// you. Should the software prove defective, you assume
// the cost of all necessary servicing, repair, or
// correction.
// If you think you've found an error, please
// email all modified files with loudly commented changes
// to: eckel@aol.com (please use the same
// address for non-code errors found in the book).
//////////////////////////////////////////////////
//: NONLOCAL.CPP -- setjmp & longjmp
#include <iostream.h>
#include <setjmp.h>
class rainbow {
public:
rainbow() { cout << "rainbow()" << endl; }
~rainbow() { cout << "~rainbow()" << endl; }
};
jmp_buf kansas;
void OZ() {
rainbow RB;
for(int i = 0; i < 3; i++)
cout << "there's no place like home\n";
longjmp(kansas, 47);
}
main() {
if(setjmp(kansas) == 0) {
cout << "tornado, witch, munchkins...\n";
OZ();
} else {
cout << "Auntie Em! "
<< "I had the strangest dream..."
<< endl;
}
}