Algorithms For Compiler Design
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Algorithms for Compiler Design
A compiler translates a high-level language program into a functionally equivalent low-level language program that can be understood and executed by the computer. Crucial to any computer system, effective compiler design is also one of the most complex areas of system development. Before any code for a modern compiler is even written, many students and even experienced programmers have difficulty with the high-level algorithms that will be necessary for the compiler to function. Written with this in mind, Algorithms for Compiler Design teaches the fundamental algorithms that underlie modern compilers. The book focuses on the "front-end" of compiler design: lexical analysis, parsing, and syntax. Blending theory with practical examples throughout, the book presents these difficult topics clearly and thoroughly. The final chapters on code generation and optimization complete a solid foundation for learning the broader requirements of an entire compiler design.
Introduction to Compiler Design
The second edition of this textbook has been fully revised and adds material about loop optimisation, function call optimisation and dataflow analysis. It presents techniques for making realistic compilers for simple programming languages, using techniques that are close to those used in "real" compilers, albeit in places slightly simplified for presentation purposes. All phases required for translating a high-level language to symbolic machine language are covered, including lexing, parsing, type checking, intermediate-code generation, machine-code generation, register allocation and optimisation, interpretation is covered briefly. Aiming to be neutral with respect to implementation languages, algorithms are presented in pseudo-code rather than in any specific programming language, but suggestions are in many cases given for how these can be realised in different language flavours. Introduction to Compiler Design is intended for an introductory course in compiler design, suitable for both undergraduate and graduate courses depending on which chapters are used.
Compiler Design
While compilers for high-level programming languages are large complex software systems, they have particular characteristics that differentiate them from other software systems. Their functionality is almost completely well-defined – ideally there exist complete precise descriptions of the source and target languages. Additional descriptions of the interfaces to the operating system, programming system and programming environment, and to other compilers and libraries are often available. The final stage of a compiler is generating efficient code for the target microprocessor. The applied techniques are different from usual compiler optimizations because code generation has to take into account the resource constraints of the processor – it has a limited number of registers, functional units, instruction decoders, and so on. The efficiency of the generated code significantly depends on the algorithms used to map the program to the processor, however these algorithms themselves depend not only on the target processor but also on several design decisions in the compiler itself – e.g., the program representation used in machine-independent optimization. In this book, the authors discuss classical code generation approaches that are well suited to existing compiler infrastructures, and they also present new algorithms based on state-of-the-art program representations as used in modern compilers and virtual machines using just-in-time compilation. This book is intended for students of computer science. The book is supported throughout with examples, exercises and program fragments.