Briefly, An Introduction to Compiler Construction in a Java World is organized Microsystems Journal, pages 1– This text uses compiler construction to teach Java technology and software engineering principles. It gives students a deeper understanding of the Java programming language and its implementation. Unlike other texts, the example compiler and the examples in the chapters focus on. Decomposition was certainly helpful to us 8 An Introduction to Compiler Construction in a Java World Compiling JVM Code Compilation 9.

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Introduction to Compiler Construction in a Java World. Bill Campbell, Swami Iyer, Bahar Akbal-Delibas. Errata. Here you can find a listing of known errors in our. Introduction to. Compiler Construction in a Java World. Bill Campbell. Swami Iyer. Bahar Akbal-Deliba$. CRC Press. Taylor & Francis Group. Boca Raton. No preview is available for Introduction to Compiler Construction in a Java World - Bill Campbell & Swami because its size exceeds MB. To view it.

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A Tool for Generating Scanners. NET Framework. Appendix A: Setting Up and Running j -- Appendix B: The j -- Language Appendix C: Java Syntax Appendix D: His areas of expertise include software engineering, object-oriented analysis, design and programming, and programming language implementation. Swami Iyer is a PhD candidate in the Department of Computer Science at the University of Massachusetts, Boston, where he has taught classes on introductory programming and data structures.

His research interests are in the fields of dynamical systems, complex networks, and evolutionary game theory. Her research interests include structural bioinformatics and software modeling. Upper-division undergraduates and above.

No previous background in the theory of computation is needed, but a solid Java background is essential and some previous experience with programming languages scope, stack allocation, types, and so on would be useful. Knowledge of assembly language programming will be helpful if the course will include the chapters on register allocation and translating to MIPS.

You will be prompted to fill out a registration form which will be verified by one of our sales reps. We provide complimentary e-inspection copies of primary textbooks to instructors considering our books for course adoption. CPD consists of any educational activity which helps to maintain and develop knowledge, problem-solving, and technical skills with the aim to provide better health care through higher standards.

It could be through conference attendance, group discussion or directed reading to name just a few examples. We provide a free online form to document your learning and a certificate for your records. Where the student starts with the compiler for a base language such as j-- and imple- ments language extensions.

Campbell B., Iyer S., Akbal-Delibas B. Introduction to Compiler Construction in a Java World

We have settled on the second approach for the following reasons: Students have the satisfaction of doing interesting programming, experiencing what coding is like in the commercial world, and learning about compilers. Why Target the JVM? Students understand this regimen.

The byte code of both the JVM and the CLR is in various instances then translated to native machine code, which is real register-based computer code.

Rather than have the students compile toy languages to real hardware, we have them compile a hefty subset of Java roughly Java version 4 to JVM byte code. The class emitter CLEmitter component of our compiler hides the complexity of.

This having been said, many students and their professors will want to deal with register-based machines. Our example translator does only a But our translation fully illustrates linear-scan register allocation—appropriate to modern just-in-time compilation.

The translation of additional portions of the JVM and other register allocation schemes, for example, that are based on graph coloring, are left to the student as exercises.

Otherwise, a Traditional Compiler Text Otherwise, this is a pretty traditional compiler text. It covers all of the issues one expects in any compiler text: A seasoned compiler instructor will be comfortable with all of the topics covered in the text.

On the other hand, one need not cover everything in the class; for example, the instructor may choose to leave out certain parsing strategies, leave out the JavaCC tool for automatically generating a scanner and parser , or use JavaCC alone.

Who Is This Book for? We choose to consult only published papers in the second-semester course. In Chapter 1 we describe what compilers are and how they are organized, and we give an overview of the example j-- compiler, which is written in Java and supplied with the text.

We introduce register allocation in Chapter 7.

In Chapter 8 we discuss several celebrity that is, well-known compilers. Most chapters close with a set of exercises; these are generally a mix of written exercises and programming projects.

Appendix A explains how to set up an environment, either a simple command-line environment or an Eclipse environment, for working with the ex- ample j-- compiler. Appendix B outlines the j-- language syntax, and Appendix C outlines the fuller Java language syntax.

How to Use This Text in a Class Depending on the time available, there are many paths one may follow through this text.

Here are two: Chapter 1 — Both a hand-written and JavaCC generated lexical analyzer. Chapter 2 — Context-free languages and context-free grammars. Top-down parsing using re- cursive descent and LL 1 parsers. Using JavaCC to generate a parser. Chapter 3 — Type checking. Chapter 4 — JVM code generation. Chapter 1 — A hand-written lexical analyzer. Students have often seen regular expressions and FSA in earlier courses. Sections 2.

Sections 3. Chapter 6 — Register allocation. Chapter 7 In either case, the student should do the appropriate programming exercises. Those exercises that are not otherwise marked are relatively straightforward; we assign several of these in each programming set.

We maintain a website at http: What Does the Student Need? The code tree may be obtained at http: Everything else the student needs is freely obtainable on the WWW: Ant is available at http: What Does the Student Come Away with? The student gets hands-on experience working with and extending in the exercises a real, working compiler.

From this, the student gets an appreciation of how compilers work, how to write compilers, and how the Java language behaves. More importantly, the student gets practice working with a non-trivial Java program of more than 30, lines of code. His professional areas of expertise are software en- gineering, object-oriented analysis, design and programming, and programming language implementation. He likes to write programs and has both academic and commercial ex- perience.

He has been teaching compilers for more than twenty years and has written an introductory Java programming text with Ethan Bolker, Java Outside In Cambridge Uni- versity Press, He has implemented a public domain version of the Scheme programming language called UMB Scheme, which is distributed with Linux. Recently, he founded an undergraduate program in information technology. Andrews University UK , He also has a casual interest in theoretical physics. His fondness for programming is what got him interested in compilers and has been working on the j-- compiler for several years.

He enjoys teaching and has taught classes in introductory programming and data struc- tures at the University of Massachusetts, Boston. After graduation, he plans on pursuing an academic career with both teaching and research responsibilities. Her research interest is in structural bioinformatics, aimed at better understanding the sequence—structure—function relationship in proteins, modeling conformational changes in proteins and predicting protein-protein interactions.

However, soon she discovered how to play with the pieces of the puzzle and saw the fun in programming compilers. She hopes this book will help students who read it the same way. Acknowledgments We wish to thank students in CS and CS, the compilers course at the University of Massachusetts, Boston, for their feedback on, and corrections to, the text, the example compiler, and the exercises. We would particularly like to thank Alex Valtchev for his work on both liveness intervals and linear scan register allocation.

Finally, we wish to thank our families and close friends for putting up with us as we wrote the compiler and the text. Chapter 1 Compilation 1. This trans- lation is illustrated in Figure 1.

By equivalent, we mean semantics preserving: This process of translation is called compilation. Of course, a program has an audience other than the computer whose behavior it means to control; other programmers may read a program to understand how it works, or why it causes unexpected behavior.

So, it must be designed so as to allow the programmer to precisely specify what the computer is to do in a way that both the computer and other programmers can understand. But at any one time, a much smaller number are in popular use. The tokens, or lexemes, are described. Tokens in a programming language are like words in a natural language. One describes the syntax of programs and language constructs such as classes, meth- ods, statements, and expressions. The semantics of various constructs is usually described in English.

Programming language designers go to great lengths to precisely specify the structure of tokens, the syntax, and the semantics. The tokens and the syntax are often described using formal notations, for example, regular expressions and context-free grammars. The semantics are usually described in a natural language such as English1.

A machine language program consists of a sequence of instructions and operands, usually organized so that each instruction and each operand occupies one or more bytes and so is easily accessed and interpreted. On the other hand, people are not expected to read a machine code program2.

Examples of machine languages are the instruction sets for both the Intel i family of architectures and the MIPS computer. The Intel i is known as a complex instruction set computer CISC because many of its instructions are both powerful and complex. Fetching data from, and storing data in, registers are much faster than accessing memory locations because registers are part of the computer processing unit CPU that does the actual computation.

For this reason, a compiler tries to keep as many variables and partial results in registers as possible. The JVM is said to be virtual not because it does not exist, but because it is not necessarily implemented in hardware3 ; rather, it is implemented as a software program. We discuss the implementation of the JVM in greater detail in Chapter 7.

But as compiler writers, we are interested in its instruction set rather than its implementation. Hence the compiler: Compilation is often contrasted with interpretation, where the high-level language pro- gram is executed directly. Tools often exist for displaying the machine code in mnemonic form, which is more readable than a sequence of binary byte values.

Computers designed for implementing particular programming languages rarely succeed. Compilation 3 and then executed Figure 1. First is performance. Native machine code programs run faster than interpreted high- level language programs. To see why this is so, consider what an interpreter must do with each statement it executes: It is much better to translate all statements in a program to native code just once, and execute that4.

Second is secrecy. Companies often want to protect their investment in the programs that they have paid programmers to write. But, compilation is not always suitable. The overhead of interpretation does not always justify writing or, downloading a compiler.

An example is the Unix Shell or Windows shell programming language. Programs written in shell script have a simple syntax and so are easy to interpret; moreover, they are not executed often enough to warrant compilation. And, as we have stated, compilation maps names to addresses; some dynamic programming languages LISP is a classic example, but there are a myriad of newer dynamic languages depend on keeping names around at run-time. So why study compilers? There are several reasons for studying compilers.

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Compilers are larger programs than the ones you have written in your programming courses. It is good to work with a program that is like the size of the programs you will be working on when you graduate. Compilers make use of all those things you have learned about earlier: The intermediate forms are smaller, and space can play a role in run-time performance.

We discuss just-in-time compilation and hotspot compilation in Chapter 8.

It is fun to use all of these in a real program. You learn about the language you are compiling in our case, Java. Compilers are still being written for new languages and targeted to new computer architectures.

Introduction to Compiler Construction in a Java World - Bill Campbell & Swami Iyer.pdf

Yes, there are still compiler-writing jobs out there. Programs that process XML use compiler technology. There is a mix of theory and practice, and each is relevant to the other.

The organization of a compiler is such that it can be written in stages, and each stage makes use of earlier stages. So, compiler writing is a case study in software engineering. The difference is that the generated byte-code, not true machine code, brings the possibility of portability, but will need a Java Virtual Machine the byte-code interpreter for each platform. The extra overhead of this byte-code interpreter means slower execution speed.

An interpreter is a computer program which executes the translation of the source program at run-time. It will not generate independent executable programs nor object libraries ready to be included in other programs.

A program which does a lot of calculation or internal data manipulation will generally run faster in compiled form than when interpreted. Being themselves computer programs, both compilers and interpreters must be written in some implementation language. Up until the early 's, most compilers were written in assembly language for some particular type of computer.

The advent of C and Pascal compilers, each written in their own source language, led to the more general use of high-level languages for writing compilers.

GNU Compiler for Java

Today, operating systems will provide at least a free C compiler to the user and some will even include it as part of the OS distribution.Students understand this regimen. In fact, with what we know so far about j--, we are already in a position to start enhancing the language by adding new albeit simple constructs to it. The text focuses on design, organization, and testing, helping readers learn good software engineering skills and become better programmers.

Visibility Others can see my Clipboard. Resources to the following titles can be found at www. One describes the syntax of programs and language constructs such as classes, meth- ods, statements, and expressions. In addition, they discuss recent strategies, such as just-in-time compiling and hotspot compiling, and present an overview of leading commercial compilers. The book covers all of the standard compiler topics, including lexical analysis, parsing, abstract syntax trees, semantic analysis, code generation, and register allocation.