3 Oct Literate programming: Knuth is doing it wrong. Literate programming advocates this: Order your code for others to read, not for the compiler. Literate Programming (Lecture Notes) [Donald E. Knuth] on *FREE * shipping on qualifying offers. This anthology of essays from Donald Knuth, the. The book Literate Programming, Donald E. Knuth is published by Center for the Study of Language and Information.

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Knuth literate programming we made these variables local to main, we would have to do this initialization explicitly; however, C globals are automatically zeroed. And the fact that there’s no need to be hung up on the question of top-down versus bottom-up, since a programmer can now view a large program as a web, to be explored in knuth literate programming psychologically correct order is perhaps the greatest lesson I have learned from my recent experiences.

He was inspired by the ideas of Pierre-Arnoul de Marneffe.

A hierarchical structure is present, but the most important thing about a progrqmming is its structural relationships. This particular trick makes it possible to Views Read Edit View history. Furthermore, several errors were unfortunately introduced on the cover of the printing: The snippets of the literate wc above knuth literate programming how an explanation of the program and its source code are interwoven.

Knuth literate programming misconception has led to claims that comment-extraction tools, such as the Perl Plain Old Documentation or Java Javadoc systems, are “literate programming tools”. In either case please include your postal address, so that Programminb can mail an official certificate of deposit as a token of thanks for any improvements to which you have contributed.

Knuth: Literate Programming

KnuthLiterate Knuth literate programming [1]. Literate programming is very often misunderstood onuth to refer only to formatted documentation produced from a common file with both source code and comments — which is properly called documentation generation — or to voluminous commentaries included with code.

Literate programming was first introduced by Donald E. The first published literate programming environment was WEBintroduced by Kiterate Knuth in knuth literate programming his TeX typesetting system; it uses Pascal as its underlying programming language and TeX for typesetting of the documentation. There are various other implementations of the literate programming concept some of them don’t have macros and hence violate Knuth literate programming of human logic principle:.

Literate Programming

A classic example of literate programming is the literate implementation of the standard Unix wc word counting program. Numbers like Litearte and Q78 in this list refer to the corresponding papers in my list of publications. This page was last edited on 26 Julyat The main intention behind this approach was to treat program as a literature understandable to human beings. Applicability of the concept knuth literate programming programming on a large scale, that of commercial-grade programs, is proven by an edition of TeX code as a literate program.


knuth literate programming

Literate programming – Wikipedia

The following snippet of the wc literate program [10] shows how arbitrary descriptive phrases in a natural language are used knuth literate programming a literate program to create macros, which act as new “operators” kuth the literate programming language, and hide chunks of code or other macros.

This book received the Productivity Award from Computer Language magazine,awarded to products that significantly increase programmer productivity.

We look at each character and knuth literate programming state if it begins or ends a word. But as time went on, I’ve become extremely pleased with the name, because I think that a complex piece of software is, indeed, best regarded as a web that has been delicately knjth together from simple materials. These arbitrary explanatory phrases become precise new operators, created on the fly by the programmer, forming a meta-language on top of the underlying programming language.

Actually, writing out the expanded source code can be done from any section or subsection i. I may not be able to read your message until many months have gone by, because I’m working intensively on The Art of Literaate Programming.

Knuth had privately used a literate programming system called DOC as early as Knuth literate programming also claims that literate programming provides a first-rate documentation system, which is not an add-on, but is grown naturally in the process of exposition of one’s knuth literate programming during a program’s creation.

We understand a complicated system by understanding its simple parts, and by understanding the simple relations between those parts knuth literate programming their immediate neighbors.

Literate programming

But sigh it knuth literate programming isn’t. The grand totals must be initialized to zero at the beginning of the program. Please send suggested corrections to knuth-bug cs.

Literate programming is a methodology that combines a programming language with a documentation language, thereby making programs more robust, more portable, more easily maintained, and arguably more fun to write than programs that are written only knuth literate programming a high-level language.

Macros in a literate source file are simply title-like or explanatory phrases in a human language that describe knuth literate programming abstractions created while solving the programming problem, and hiding chunks of code or lower-level macros.


The program is also viewed as a hypertext document, rather like the World Wide Web. Literate programming is a programming paradigm introduced by Donald Knuth in which a program is given as an explanation of the program logic in a natural language, such as English, interspersed with snippets of macros and traditional source code, from which a compilable source code can be generated.

Webarchive template wayback links CS1 errors: Again, I knuth literate programming this in the interests of simplicity, because I noticed that most applications of multiple parameters could in fact be reduced to the one-parameter case. Literate programming is writing out the program logic in a human language with included separated by a primitive markup code snippets and macros. However, I promise to reply in due time. And if you do report an error via email, please do not include attachments of any kind; your message should be readable on brand-X operating systems for all values of X.

The preprocessor also provides an ability to write out the content of the macros and to add loterate already created macros in knuth literate programming place in the text knuth literate programming the literate program source file, thereby disposing of the need to keep in mind the restrictions imposed by traditional programming languages or to interrupt the flow of thought.

This approach was implemented at Stanford university as a part of research on algorithms and digital typography. According to Knuth literate programming, [5] [6] literate programming provides higher-quality programs, since it forces programmers to explicitly state the thoughts behind the program, making poorly thought-out design decisions more obvious. Schulte, Eric January The programvolume B of his 5-volume Computers and Typesetting.

Instead of comments provided as side notes to source code a literate program contains the explanation of concepts on each level, with lower level concepts deferred to their appropriate place, which allows for better communication of thought. Retrieved from ” https: A preprocessor is used to substitute arbitrary hierarchies, or rather “interconnected ‘webs’ of knuth literate programming, [4] to produce knuth literate programming compilable source code with one command “tangle”and documentation with another “weave”.