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Hardcover | $85.00 X | £70.95 | 432 pp. | 8 x 9 in | 115 figures | April 2008 | ISBN: 9780262062794 eBook |$85.00 X | April 2008 | ISBN: 9780262332927

## Overview

This book provides students with a deep, working understanding of the essential concepts of programming languages. Most of these essentials relate to the semantics, or meaning, of program elements, and the text uses interpreters (short programs that directly analyze an abstract representation of the program text) to express the semantics of many essential language elements in a way that is both clear and executable. The approach is both analytical and hands-on. The book provides views of programming languages using widely varying levels of abstraction, maintaining a clear connection between the high-level and low-level views. Exercises are a vital part of the text and are scattered throughout; the text explains the key concepts, and the exercises explore alternative designs and other issues. The complete Scheme code for all the interpreters and analyzers in the book can be found online through The MIT Press web site. For this new edition, each chapter has been revised and many new exercises have been added. Significant additions have been made to the text, including completely new chapters on modules and continuation-passing style. Essentials of Programming Languages can be used for both graduate and undergraduate courses, and for continuing education courses for programmers.

## About the Authors

Daniel P. Friedman is Professor of Computer Science at Indiana University and coauthor of The Little Schemer (fourth edition), The Reasoned Schemer, The Seasoned Schemer, and Essentials of Programming Languages (third edition), all published by the MIT Press.

Mitchell Wand is Professor of Computer Science at Northeastern University.

## Endorsements

“I've found the interpreters-based approach for teaching programming languages to be both compelling and rewarding for my students. Exposing students to the revelation that an interpreter for a programming language is itself just another program opens up a world of possibilities for problem-solving. The third edition of Essentials of Programming Languages makes this approach of writing interpreters more accessible than ever.”
Marc L. Smith, Department of Computer Science, Vassar College
“Having taught from EOPL for several years, I appreciate the way it produces students who understand the terminology and concepts of programming languages in a deep way, not just from reading about the concepts, but from programming them and experimenting with them. This new edition has an increased emphasis on types as contracts for defining procedure interfaces, which is quite important for many students. This new emphasis meshes well with the way the domains and operations of the interpreters are described.”
Gary T. Leavens, School of Electrical Engineering and Computer Science,University of Central Florida
“With lucid prose and elegant code, this book provides the most concrete introduction to the few building blocks that give rise to a wide variety of programming languages. I recommend it to my students and look forward to using it in my courses.”
Chung-chieh Shan, Department of Computer Science, Rutgers University