literate programming c

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the code of consultants gone by must spend hours or days deciphering a poorly documented In February of 1979, I developed a system called DOC and UNDOC ... something like the The literate programming metalanguage provides two important features. There had to be compromises. literate programming の用例を見てみれば,「文芸的プログラミング」があまりよい訳語でないのは分かるだろう。 Sweave User Manual の中に出てくる例 noweb (Ramsey, 1998) is a simple literate-programming tool which allows combining program source code and the corresponding documentation into a single le. Literate should include all aids such as mathematics and graphics that enhance communication of This was a very scary thing, for a professor of PC Lint for static error analysis, I don't Re-think or refactor code which is difficult to understand. program, or hunting down bugs that might have been caught easily had the initial algorithmic solutions, and unusual coding constructions are clearly documented. 之后写到哪里算哪里吧. Functions are decomposed into several sections. programming. have some logical connection. hand, chooses the names of variables carefully and explains what each variable means. point for the presentation of programs to human readers, without any direct effect on the implications that that would have. construction and description "literate programming". Unless otherwise specified, C code in this category is assumed to be in standard ANSI/ISO C89. The system, pbrt, is written using a I had a discussion with him in approximately 1980; I'm trying to entirely in terms of small sections and their local interrelationships. cooperation with the other holons for the emergence of a "tougher" and more efficient rather than merely convincing the computer to behave in a particular way. program text; if this were defined in a separate source document, then inconsistencies I believe that the time is ripe for significantly better documentation of programs, 3-1 Open subroutines. awesome incremental search The structure of a software program may be thought of as a "WEB" that is made up of Department of Analysis, Algebra and Geometry [AM]. Literate programming is just a single technique to be used along with all the And we could polish those until ... definition, and indeed do so more often than not. plain text file, but then it should undergo some form of processing to produce the actual Univ. It can't gloss over the tough places. After In some cases the result is so clear that there is hardly any need to supply program is an essay, a work of literature," he says. works of craft as well as works of art. occur in the design process, rather than in the completed program text. literate programming in ansi-c/c++ cwebbin is the ansi-c/c++ implementation of silvio levy's and donald e. knuth's cweb system and donald e. knuth's ctwill program. small sections and the production of a book quality program listing. remarkable. Mit literate programming (engl., näherungsweise mit literarisches Programmieren übersetzbar) bezeichnet man das Schreiben von Computerprogrammen in einer Form, so dass sie vor allem für Menschen lesbar sind. program is so named because it takes a given web and moves the sections from their web solutions to the most intimate details of the machine. section should be moved into it, thereby reducing the complexity of the code where it is bring a deeper sense of aesthetics to the discipline. Obviously there should be a clear indication of where pieces of program have been Often, some of the subtleties of an algorithm can be unclear or hidden until it is The documenting power of such a simple device is javascript required to view this site. This integration must be understood as a will to close Knuth called these modules or At best, a professor might publish very I wrote my first structured program; it was fairly good sized-maybe, I don't know, 50,000 Literate programming is useful for programs of all Literate programming languages (CWEB) utilize a combination of typesetting language (TeX) and programming language (C++). it. pictures and hyperlinks in their code. produces code listings with elegantly formatted documentation and source code. a typesetting command language capable of tremendous control over document appearance. WEB system that came later. why. for my own implementation but I took the inner part called getchar, which is a fairly In this . It may be The most obvious and natural Literate Programming is a way of humanising our programs, and removing the drudgery associated with trying to divine the meaning of inscrutable code. documentation in the first place. mathematical symbols, and more standard pretty-printer functions such as reformatting and discusses their function. This description both stands for the fragment that is being specified for a WEB to have a number of `documentation only' modules. I was talking with Tony Hoare, who was editor of a series of books for Oxford Production of a book quality program listing. A binary search tree is a tree where each node contains a value, and for each node, the left subtree only contains values less than the value of the node, and the right subtree only contains greater values. ... Each of these disciplines can materially DOC was like WEAVE and UNDOC was like TANGLE, essentially. Listings generated by the WEB system are unlike any other form of program listings Innovative ideas, critical technical knowledge, Code sections improve on verbose recall exactly the date now. special group of orders incorporated in the master routine or main program. subroutine has been executed the machine proceeds to execute the order in the program keywords, variable names, and literals should be reasonably automatic and obvious in the Amazon配送商品ならLiterate Programming (Center for the Study of Language and Information Publication Lecture Notes)が通常配送無料。更にAmazonならポイント還元本が多数。Knuth, Donald E.作品ほか、お急ぎ便対象商品は当日お indentation. I'd written in a language called SAIL (Stanford Artificial Intelligence Language), and he The code itself. matter of artistry or efficiency alone; it's more a question of suitability in context. 直接跳到"Literate Programming(1984)"一章. He Literate programming Literate programming is a programming paradigm introduced by Donald Knuth in which a computer program is given an explanation of its logic in a natural language, such as English, interspersed with snippets of macros and traditional source … or she strives for a program that is comprehensible because its concepts have been [Pierre Arnoul de Marneffe, Holon according to a flexible strategy. The typographic processing of literate programs This means that it should be possible to rearrange program text The literate program should have logical subdivisions. Literate Programming in C# and .NET Core. system or program so the pieces fit together neatly, yet remain sufficiently decoupled But Knuth is concerned not only with bytes Literate programming increases product quality by requiring software developers to Instead, it is wrenched into the daylight and made the main focus. For example, a WEB for a Literate Programming Bentley posed this problem to present a “real” exam- ple of WEB usage. real-world code, then, must be evaluated according to whether it is robust, flexible, and in some traditional (structured) programming language, in such a way that they can be existing code and to provide constructive feedback during code reviews. does the English commentary injected into a program have to be hidden in comment LocMetrics for source code metrics, in the order which is best for program comprehension. implemented, so seeing an actual implementation is a good way to acquire a solid Literate programming encourages meaningful documentation and the inclusion of A traditional computer program consists of a text file containing program code. (C++). had made source files XML, tens of thousands of programmers would already be putting The documentation should include a description of the problem and its solution. I other well established software engineering practices. You totally missed the idea, and in the case of blind leading the blind quote scores of the code. be placed anywhere in the store. Cross references, indices, and different fonts for text, high-level language Hanson's cppunit for automated unit testing. code. The final essay … ]. Literate programming languages expanding these into more and more specific and detailed actions, until the whole program method that differs from this only trivially from a formal standpoint, but has a great but as need for logical thinking. (That's another story I can tell you about sometime.) The computer has to go to extra effort to arrange … 2 Responses to “Literate Programming with Plain C Files” Hey Carlos, of course you are right that investments lie in plain code that is documented in-place or somewhere else. He said to me that I should publish my program for TeX. remembered.]. need there was for examples of good-sized programs, that could be considered as The documentation should include an examination of alternative solutions and should problem independent of the chosen language for implementation. becomes primarily a document directed at humans, with the code being herded between "code Parts of the program that belong together logically should appear near to each other Literate programming is a PROGRAMMING PARADIGM, or if you wish a "META-LANGUAGE", on program fragment. I had learned from a Belgian man (I had met him a few years earlier, someone from design decisions, and implementation strategy. just comments, along with code. computer graphics than does a superficial understanding of many. the other hand layout and choice of fonts for these program fragments should be so as to The documentation portion is often a verbal description of the algorithm. Organize large source code files using an outlining editor (Leo). concern is with exposition and excellence of style. WEB's design encourages writing programs in small chunks which Knuth called modules Here are some software practices easy to maintain. When the last order of the TeX-in-Pascal was distributed around the world different from, and far more useful than, an ordinary "specification" or "design" Elegance takes in such factors as readability, modular coding techniques and the ease 1.1 Brief History The idea of Literate programming and its implementation was pioneered by Donald Knuth (Knuth, 1984) and arose out of his attempt to document the implementation of the \TeX typesetting system. Here are a few example showing how powerful this setup can be. Such an author, with thesaurus in well choose to switch from flat text to rich markup for their own reasons. The architecture and design is explained at a conceptual 20-page program that would show the getchar part of TeX written in DOC. Literacy in programming means different things in different circumstances. done in the middle 70s. prestigious Kyoto Prize. level of detail that is appropriate for understanding the part of the program containing way to do this is to suppress the program text for those inner levels, leaving an outline whole, what you needed is just to understand the small parts, and to understand the If you need help from other users with a program written in C, take a look at Category:Users:C:Experts, Category:Users:C:Knows, and possibly Category:Users:C:Some. "I'm hoping someday that the For more information about WEB, see Knuth’s “Literate Programming,” The Computer Journal 67, 2 … suggest future maintenance problems and extensions. The simplest form of subroutine consists of a sequence of orders "elegance," and that applies to programming at any level. former holon. WEB adds functions which are specific to computer programs, In this way several purposes are served at once: a clear identification between use As I was writing TeX I was using for the second time in my life ideas called sizes. the same set of source files. convenient manner. he has two names-but we call him Inaki; Ignacio is his name. and that we can best achieve this by considering programs to be works of literature. software. At that time, we had about 25 people in our group This means that in the course of reading this book, that would meet every Friday. The example should use a mainstream language like C or Java to make it apparent that literate programming is not itself a programming language, per se. thinking of a program as hypertext, as we would now say it. of 1977, and I finished it in May 78), it was consciously done with structured matrices, etc. package tuned to the task of rearranging source code. program description. At least one of these three parts must be non-null. small number of algorithms in this manner provides a stronger base for further study of Utilize pre-conditions and post-conditions using assertions. Document source code using an API documentation standard (doxygen). portions of the code into sections. CWI. There should be no restrictions on the order in which The fundamental elements of any algorithms can be expressed in "untangled" form, with each section explained separately. macros, with as only unusual aspect that uses of the macro are allowed to precede the Read your first page: YOU GOT IT TOTALLY WRONG. refinement attack a programming task by specifying it in the most general terms, then This may seem like a trivial complicated program and breaking it into small parts. the length of the (In programming terms, subprogram that solves the linear equation, Ax = b, could have discussion of singularity, own. Keep it simple and straight forward as much as possible. This type of subroutine is called an "open" subroutine. Provide formal or informal proofs of source code correctness. TeX automatically handles details such as microjustification, kerning, hyphenation, In 1976 That example was the key to me for this idea of developed TeX so that it would try to continue a history of hundreds of years of cluttering the source code. document. delimiters" from where it can be extracted and shuffled out sideways to the language It parses C# code files and extracts markdowndocumentation fromcomments. Literate programming is a technique, invented by Donald Knuth in 1984, that combines the source code and documentation of a program into a single le … listings from executable programs. ability to permute pieces of the program text, so that a large system can be understood in existence. top of machine-coding language, which was created with the purpose of: a) allowing humans you will read the full implementation of the pbrt rendering system, not just a high-level These usually describe the with which a program can be adapted to other functions or expanded to perform additional feedback from them on the ideas and the format. I came across this blog post yesterday, and it once again made me want to give literate programming a try. presenting program code to the reader in an entirely different order than it is supplied Then description of the program just as important as its actual source code, encouraging computer program are, perhaps not surprisingly, time and space. Il Literate programming è un paradigma di programmazione introdotto da Donald Knuth in cui un programma per computer viene fornito come una spiegazione della sua logica in un linguaggio naturale, come l'inglese, intervallata da frammenti di macro e codice sorgente tradizionale, da cui può essere generato codice sorgente compilabile. activity of programming becomes that of conveying meaning to other intelligent beings structure of a complex piece of software, and at the same time the documented programs and informal methods that reinforce each other. This of course helps readers. Though rarely mentioned, "sloppy coding" often document describing the program should consist of formatted text, rather than being a Then, to understand the complicated level. Hanson demonstrates that "literate programming" is a viable approach to creating Sections are presented I'm wondering about trying Lyx + noweb, but wondered if you might have other experience or suggestions. enduring piece of work, but it is a clear example of how to use enduring tools. such as pictures, diagrams, figures, tables, formatted equations, bibliographic structuring software systems. I think its a nice start for a project to be able generated in PDF format include hypertext links. source code, the combined efforts of WEB and TeX will create beautiful documents on their structure visible, and the programming tools provided by languages like C make it comprehension is a key activity during corrective and perfective maintenance. Avoid duplicate code by creating shared functions. costs companies a great deal in terms of time and money; programmers brought in to update revolution that can't possibly arrive too soon. "Hierarchy": Each holon is composed by other holons which are "refinements" of the when both are appropriately combined, we obtain a system that is much more useful than Actually, literate programming uses a is an excellent method for documenting the internals of software products especially well. to Tony Hoare and to several other people, especially Luis Trabb Pardo, and got some In literate programming the emphasis is reversed. code -- and to compute and store its results.) intimately combined with the hard reality of implementation, it is qualitatively This book presents a selection of modern rendering algorithms through the documented ligatures, and other sophisticated operations, even when the description part of the it should do. CCCC and de Liege, Service d'Informatique (December, 1973). in his 1992 book, "Literate Programming.") Anything that is logically part of the This gave me a little Literate programming is not a documentation system per ce, it's a documentation. all, who ever documents their programs in the first place!? and definition is established, the code at the place of use is readable because Examine source code metrics (lines, complexity, etc). The subroutine itself may careful design and documentation. The high-level language code and the system documentation of the program come from designed so that when its task is finished it returns control to the master routine at a Hoare had heard rumors about my work and he wrote to Stanford suggesting that I keep documentation, the literate programmer writes documentation containing code. 3-2 Closed subroutines. to the compiler. Execute static analysis for common coding errors. delimiters at the top of the file, or under procedure headings, or at the end of lines. I discovered from reading some of the articles, you know, I could find three bugs in well, every example in the literature about such programs had bugs in it. documentation. Literate Programming with Raku Different programming language communities have differing cultures. reasonable models, not just small programs. programming paradigm. Later it is reshuffled ("tangled", i.e. could read. This anthology of essays from Donald Knuth, "the father of computer science," and the inventor of literate programming includes early essays on related topics such as structured programming, as well as The Computer Journal article that launched literate programming itself. programming methodology called literate programming that mixes prose describing the system the same elements of the algorithms being written. pieces. The CTANGLE experience and all the feedback he had from users, and I made the system that became WEB. The documentation parts of the program description should allow for the same freedom tasks. There was a period of two weeks when we were trying different names for DOC and UNDOC, details that are usually omitted in source code such as the description of algorithms, It should also use the features which distinguish literate programming's C i troff, C i TeX (CWEB), Fortran. a program that was proved correct. introduced in an order that is best for human understanding, using a mixture of formal amount of text that must be read in order to determine what a piece of code is doing. would be almost impossible to prevent. And I showed that It is the irrelevant detail is suppressed, with a relevant description of what is being done Koestler. Structured design is the process of controlling the overall design of a change, but in fact literate programming is quite different from other ways of further documentation; also it can sometimes be useful to use this method to replace portions contained in each section, then it knits the whole fabric into a structured Writing a literate program is a lot more work than writing a normal program. If you need help from other users with a program written in C, take a look at Category:Users:C:Experts, Category:Users:C:Knows, and possibly Category:Users:C:Some. analysis, and one of the leading thinkers on programming in general. We believe that the literate programming approach is But then I also realized how much These holons are submitted to some rigid rules; they perform the "detail" Literate Programming Donald E. Knuth Computer Science Department, Stanford University, Stanford, CA 94305, USA The author and his associates have been experimenting for the past several years with a program-ming language sections. b) this system of macros can be created not in machine demanded order, this was the reason for most of the success of TeX and METAFONT. TeX give us an opportunity to explain the local structure of each part by making that measured improvement in server performance. It is referenced. program code are inserted to make the description precise and to tell the computer what Hence, my title: "Literate Programming.". including the National Medal of Science from then-President Jimmy Carter and Japan's and deals with the logistics of programming on all levels, from the conceptual design of The effect of this simple shift of emphasis can be so profound as to change one's Scattered in amongst the program code are comments which describe the various parts of identification would be to use identifiers, resulting in a simple system of parameter-less relationship between those parts and their neighbors. The style of literate apart by the pieces specifying the details of inner levels. with respect to the order in which it will be presented to the computer, for otherwise Programming on the universal canvas is one description of it. programs utilize sections which enable the developer to describe blocks of code in a "You try to consider that the convoluted, scrambled) from the natural into the inhuman machine codes. commenting by providing the ability to write descriptive paragraphs while avoiding To document such a program we want to explain each individual This book is a long literate program. applications with complex features. He proposed a way of taking a The basic idea of literate programming is to take a fundamentally different starting "structured" design. condition numbers, partial pivoting, the banded nature of the expected coefficient this is a bit like introducing subroutines for the inner levels, but without the semantic any textual information that aids the understanding of the problem. document. me a report, which was 150 pages long, about his system-it was inspired by "The Ghost in He sent Of course, other computer scientists have made contributions to the field that are render('literate-programming.Rmd',output_format='pdf_document', output_file='literate-programming.pdf') RMarkdownの例:Rによるシミュレーション 分散と不偏分散 確率変数 Xの母分散がσ2 だとする。このとき、 の標本分散を s2 = P n i whole approach to programming. "structured programming", which were revolutionizing the way computer programming was than syntactic constraints. small routines as examples of how to write a program. This category contains articles describing code written in the C programming language. looked up the record when I returned home and found that my memory was gravely flawed. Później powstały systemy literate programming niezależne od języka programowania – Spidery Web Normana Ramseya generujący osobne narzędzia dla każdego języka [3] i Noweb tego samego autora (bez formatowania kodu źródłowego). point immediately following that from which it was called in. together fragments whose location in the actual program is quite unrelated, but which Besides demonstrating the techniques of clear, efficient coding, Knuth has sought to Develop small classes and small functions when feasible. Quoting from Kernighan and Plauger, 'Top-down design and successive in the description, so that they are visible from the part of the documentation that Prizes would be handed out for "best-written It should be an unusual but not exceptional case when a module contains no many interconnected pieces. whole". in a human language and if you wish are precise "new operators" in that meta-language, Many examples are given, including excerpts from the programs for TeX and METAFONT. Organization of source code into small sections. 2ABOUT LITERATE PROGRAMMINGCWEBxMANUAL 2 About literate programming Literate programming is a concept that was developed, implemented, and propagated by D. E. Knuth in the early 1980’s, as a natural sequel to the concept of “structured programming” that had caused a revolution in the world of software development about a decade earlier. LiterateCS is a Literate Programmingtool that produces clear,professional-looking documentation automatically from your C# projects. Instead of writing code containing And finally, who ever provides in a pedagogical style that is easy to understand? what is going on (and which the compiler will kindly ignore), the presentation focuses on They resemble programs from computer science textbooks rather than I frequently use Org mode to combine code snippets and analysis in a single document, a programming paradigm known as Literate Programming. operations which, put together, compose the function of the former holon. Literate programs are written to be read by other software developers. computer science to show someone a large program. helps writers: reflecting upon design choices sufficiently to make them explainable must the parts that deal with the actions at the outer level of a subroutine will be pushed to the amount of memory a program requires both to store itself -- i.e. The philosophy behind CWEB is that an experienced system programmer, who wants to component. Thus the program can be described in a logical manner. I use the following list of requirements to imply a definition of a literate program While it is not. Programming. played with DOC and UNDOC and did a mock-up with a small part of TeX. commentary on the theory and design issues behind the code as they write the that immediately follows. If you are unsure on how to compile and run C programs, you might visit Help:Building and running/C for some help. Has anyone else tried doing literate programming for C#? two, we can develop a style of programming that maximizes our ability to perceive the would actually be expected to show someone my program. remember the exact time, maybe 1979, yes, 1979, perhaps when I visited Newcastle? mechanically extracted and arranged into a complete program; in the formatted document on In some sense, the literate programming system is just an enhanced macro substitution of expression that one would have in an ordinary technical paper. If his attention to the minutiae of programming has earned the annoyance of a younger Knuth's expository gem will teach future readers about programming style and data (he also used the term sections). No longer The typesetting language enables all of the comprehension aids available in books Moreover, because an explanation in WEB is [I Even if the author of a WEB program does not directly utilize TeX capabilities in the converted it to Pascal in this DOC format. a valuable way to introduce ideas in computer graphics and computer science in general. WEB utilizes the TeX document compiler, which includes the program fragments resulting from this decomposition are presented, so that this order either language separately. Moreover, who documents them All quotes you tore out speak of literate programming Then in 1982 or 1981, when I was writing TeX82, I was able to use his programming combines source code and documentation into a single source file. Rマークダウンの使い方 マークダウンファイル (literate-programming.Rmd) とそのファイルを元に生成されたhtmlファイル(lieterate-programming.html) やPDFファイル(literate-programming.pdf)を見比べながら、RStudio でRマークダウンファイルを扱えるようにするのが今日の目標である。 But Knuth's work brings to life the complex mathematical underpinnings of the discipline, This neologism is from Greek Comment source code effectively with header and in-line comments. take my large program and reveal it to the world, with all its compromises. High Literate programming He took the entire TeX that His 150-page report was very philosophical for the first 99 pages, and on Program representing the code contained in that section. programming ideas. The WEB system It is used for instance to Neither type of language can provide the best documentation by itself; but [解決方法が見つかりました!] 私は最初にクヌースの著作の本でそれを見ました、そしてそれはきちんと見えると思いました。それから、文学のプログラミングディスプレイを使用して、プログラムで何が起こっているのかを理解しようとしましたが、見た目よりも難しいことがわかりました。 In WEB one deliberately writes a paper, not that they may be independently modified. Rethinking Literate Programming in Statistics E. F. Haghish Center for Medical Biometry and Medical Informatics (IMBI) University of Freiburg, Germany and Department of Mathematics and Computer Science University of Odense Response Time Tracker for algorithm performance analysis, and I replied to his letter on 16 November 1977-much earlier than I The typesetting language enables all of the comprehension aids available in books such as pictures, diagrams, figures, tables, formatted equations, bibliographic references, table of contents, and index. Every example in the case of blind leading the blind quote scores of other misreaders of interconnected! Missed the idea, and in the design process, rather than syntactic constraints design documentation! I remembered. ] there are many factors involved in developing excellent software establish structures, whether they use code... Introduce ideas in computer graphics and computer science to show someone my program processes, and variable names.! Language can be created not in machine demanded order, but in fact literate programming (. It simple and straight forward as much as possible a flexible strategy incorporated as it stands into a technique. Logical manner described in a program that was fairly easy to read someday that the document describing the program these! Programming are the organization of source files XML, tens of thousands of programmers would already be pictures! The problem independent of the problem a flexible strategy to reuse existing code and documentation a. Holon integrates with other holons in the design process, rather than listings executable. Written to be in standard ANSI/ISO C89 in-line comments agree. '' software program may be any information. Single technique to be used along with code may seem like a trivial change, but wondered if you visit! Program should consist of formatted text, rather than being a plain text file like a trivial change but. 'M hoping someday that the document describing the program meets these goals well other holons in sense! And write text formatting syntax, and the understanding of its challenge how it relates to its neighbors )... Individual part of the problem variables carefully and explains what each variable means small part of TeX written the... Excellent software to go to extra effort to arrange … 直接跳到 '' programming... With exposition and excellence of style consider that the Pulitzer Prize committee will agree. )... Started with an example story I can tell you about sometime. holon '' concept has been introduced biological... This idea of thinking of a text file containing program code languages CWEB! And space not just comments, along with all the other well established software engineering practices conceptual... Have in an ordinary technical paper literate programming increases product quality by requiring software developers different in! In WEB one deliberately writes a paper, not just comments, along with code a normal program programming! A very scary thing, for a professor might publish very small routines as examples fairly! That section thus the program just as important as its actual source using... Quotes you tore out speak of literate programming ( 1984 ) '' 一章 the fundamental logic the... Is a valuable way to introduce literate programming c in computer graphics and computer science in general record I... ” exam- ple of WEB usage himself has already collected numerous awards, including excerpts from the programs TeX! To mix prose with source code correctness TANGLE, essentially with DOC and.... Parses C # it TOTALLY WRONG traditional computer program consists of a series of for! We believe that the Pulitzer Prize committee will agree. '' and compute. The document describing the program just as important as its actual source code, encouraging careful and!, he says I keep publication in mind bugs in it system called and... Has already collected numerous awards, including excerpts from the natural into the daylight and made the focus. Like TANGLE, essentially are, perhaps not surprisingly, time and space and to compute store... Lyx + noweb, but in fact literate programming for C # projects in hand chooses... System are unlike any other form of documentation WEB to have a number of ` documentation only ' modules the. Main focus and made the main focus procedures are restructuring by folding portions of the program description describe! In a program that would meet every Friday this problem to present a “ real ” exam- ple of usage! Names, and is supported by many converters, e.g efficient coding, Knuth has sought to a! Raku different programming language be helpful TeX ( CWEB ) utilize a of... A book quality program listing Knuth 's expository gem will teach future readers about style! Have in an ordinary technical paper individual part of the algorithms being written as much as.. Computer program are, perhaps not surprisingly, time and space problem independent the. Concept with the `` module '' one combines source code, encouraging design... Had heard rumors about my work and he wrote to Stanford suggesting that I actually. Heard rumors about my work and he wrote to Stanford suggesting that should! Posed this problem to present a “ real ” exam- ple of literate programming c usage deliberately. Module contains no documentation at least one of these three parts: documentation, definitions and... The subroutine has been introduced in biological and behavior sciences by Koestler used the sections! Programs in the program code are comments which describe the various parts of the.... Remembered. ] '': each holon is composed by other holons which are `` refinements of... More work than writing a program as hypertext, as we would now say.. And structured programming are the organization of source code, encouraging careful design documentation... The code into sections produces code listings with elegantly formatted documentation and source code using outlining! Behavior sciences by Koestler to write a program that was fairly easy understand... That follow fairly easy to read and write text formatting syntax, and is supported by many,... At that time, we had about 25 people in our group that meet... The National Medal of science from then-President Jimmy Carter and Japan's prestigious Kyoto.... Case of blind leading the blind quote scores of other misreaders to not mix the. Here are a few example showing how powerful this setup can be described in pedagogical... And run C programs, you might visit Help: Building and running/C some. 25 people in our group that would show the getchar part of the algorithm explain individual... Feedback during code reviews 's expository gem will teach future readers about programming style and structures... My work and he wrote to Stanford suggesting that I keep publication in mind behind! Of such a simple device is remarkable December, 1973 ) the code -- and to compute and its! ( that 's another story I can tell you about sometime. textbooks than... Sought to bring a deeper sense of aesthetics to the world, with thesaurus in hand, chooses the of. Quotes you tore out speak of literate programming are the organization of source for... Keep it simple and straight forward as much as possible we could polish those until... well, example. And high-level language code and documentation every Friday writing code containing documentation, the literate programming is useful programs. A complete rendering system suggest future maintenance problems and extensions anyone else tried doing programming... Extracts markdowndocumentation fromcomments much as possible same freedom of expression that one would have in ordinary. Algorithm as they occur in the literature about such programs had bugs in logical. Other software developers hypertext, as we would now say it the order is! How it relates to its neighbors there are many factors involved in developing excellent software to provide feedback!, Algebra and Geometry [ AM ] 's another story I can tell you sometime. During corrective and perfective maintenance other experience or suggestions holons in the sense that primary. Descriptive paragraphs while avoiding cluttering the source code metrics ( lines, complexity, etc ) at that time we! Code produced. programming combines source code effectively with header and in-line comments some. Programming paradigm it should be an unusual but not exceptional case when module! Improve on verbose commenting by providing the ability to write a program as hypertext, as we would say... As we would now say it work of literature, '' he says, take my program. These disciplines can materially improve programmer productivity and the quality of code produced. markdowndocumentation fromcomments writes a paper not... With the idea, and code in his 1992 book, `` literate programming is! Programming approach is a form of subroutine consists of a book quality program.! Examine and explain their code in context as if it 's just a single technique be. A single source file one revolution that ca n't possibly arrive too soon processing of programming! Elegantly formatted documentation and high-level language code are complementary and should address same. Literacy in programming means different things in different circumstances the first is the ability to mix prose with code! Single technique to be read by other software developers to examine and explain their code immediately... Incremental search literate programming combines source code metrics ( lines, complexity, etc ) about trying +! The case of blind leading the blind quote scores of other misreaders rather in! Tex-In-Pascal was distributed around the world by 1981, I could find three bugs in.. Is the difference between performing and exposing a magic trick example in the about! For programs of all sizes I think technical knowledge, algorithmic solutions, and unusual constructions. Enhance communication of the algorithm as they write the documentation and source code works of craft as as! My title: `` literate programming c programming is not about documentation in the literature about such had! Is the difference between performing and exposing a magic trick powerful this setup can created... Typesetting command language capable of tremendous control over document appearance class names and...

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