Ebook: The implementation of the Icon programming language

This book describes the implementation of Icon in detail. It received uniformly good reviews, with comments such as "a classic" and "a fascinating read". Highlights include: * Icon's virtual machine * the interpreter for the virtual machine * generators and goal-directed evaluation * data representation * string manipulation * structures * memory management The book describes the implementation of Version 6 of Icon. Most of the material in the book still is relevant. Two technical reports supplement the book to describe subsequent changes. The implementation of Icon's graphics facilities is not described.