Book Image

The C++ Workshop

By : Dale Green, Kurt Guntheroth, Shaun Ross Mitchell
Book Image

The C++ Workshop

By: Dale Green, Kurt Guntheroth, Shaun Ross Mitchell

Overview of this book

C++ is the backbone of many games, GUI-based applications, and operating systems. Learning C++ effectively is more than a matter of simply reading through theory, as the real challenge is understanding the fundamentals in depth and being able to use them in the real world. If you're looking to learn C++ programming efficiently, this Workshop is a comprehensive guide that covers all the core features of C++ and how to apply them. It will help you take the next big step toward writing efficient, reliable C++ programs. The C++ Workshop begins by explaining the basic structure of a C++ application, showing you how to write and run your first program to understand data types, operators, variables and the flow of control structures. You'll also see how to make smarter decisions when it comes to using storage space by declaring dynamic variables during program runtime. Moving ahead, you'll use object-oriented programming (OOP) techniques such as inheritance, polymorphism, and class hierarchies to make your code structure organized and efficient. Finally, you'll use the C++ standard library?s built-in functions and templates to speed up different programming tasks. By the end of this C++ book, you will have the knowledge and skills to confidently tackle your own ambitious projects and advance your career as a C++ developer.
Table of Contents (15 chapters)

Responding to Unexpected Events

Unexpected events may be detected anywhere in a program, but they are typically detected in library functions that interact with the operating system and the external world. Calls to these functions are usually found nested many levels deep in the function call stack.

An unexpected event blocks the forward progress of the program's current computation. The program could choose to halt abruptly when faced with an unexpected event, but if it wants to be able to do anything other than halt (including simply saving work and printing a message), it must abandon the current computation and return to higher-level code that kicks off new computations. It is in this higher-level code that the program can decide whether execution can continue or must be stopped.

There are two ways this can happen. Traditionally, the function that detected the unexpected event can stop what it's doing, manually clean up any resources it's using, and return...