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Extensible Programming
In computer science, extensible programming is a style of computer programming that focuses on mechanisms to extend the programming language, compiler, and runtime system (environment). Extensible programming languages, supporting this style of programming, were an active area of work in the 1960s, but the movement was marginalized in the 1970s. Extensible programming has become a topic of renewed interest in the 21st century.Gregory V. Wilson,Extensible Programming for the 21st Century, ''ACM Queue'' 2 no. 9 (Dec/Jan 2004–2005). Historical movement The first paper usuallyStandish, Thomas A.,Extensibility in Programming Language Design, ''SIGPLAN Notices'' 10 no. 7 (July 1975), pp. 18–21.Sammet, Jean E., ''Programming Languages: History and Fundamentals'', Prentice-Hall, 1969, section III.7.2 associated with the extensible programming language movement is M. Douglas McIlroy's 1960 paper on macros for high-level programming languages.McIlroy, M.D.,Macro Instruction Extensions o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Computer Science
Computer science is the study of computation, information, and automation. Computer science spans Theoretical computer science, theoretical disciplines (such as algorithms, theory of computation, and information theory) to Applied science, applied disciplines (including the design and implementation of Computer architecture, hardware and Software engineering, software). Algorithms and data structures are central to computer science. The theory of computation concerns abstract models of computation and general classes of computational problem, problems that can be solved using them. The fields of cryptography and computer security involve studying the means for secure communication and preventing security vulnerabilities. Computer graphics (computer science), Computer graphics and computational geometry address the generation of images. Programming language theory considers different ways to describe computational processes, and database theory concerns the management of re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Input/output
In computing, input/output (I/O, i/o, or informally io or IO) is the communication between an information processing system, such as a computer, and the outside world, such as another computer system, peripherals, or a human operator. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation. are the pieces of hardware used by a human (or other system) to communicate with a computer. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Devices for communication between computers, such as modems and network cards, typically perform both input and output operations. Any interaction with the system by an interactor is an input and the reaction the system responds is called the output. The designation of a device as either input or output depend ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Abstract Syntax Tree
An abstract syntax tree (AST) is a data structure used in computer science to represent the structure of a program or code snippet. It is a tree representation of the abstract syntactic structure of text (often source code) written in a formal language. Each node of the tree denotes a construct occurring in the text. It is sometimes called just a syntax tree. The syntax is "abstract" in the sense that it does not represent every detail appearing in the real syntax, but rather just the structural or content-related details. For instance, grouping parentheses are implicit in the tree structure, so these do not have to be represented as separate nodes. Likewise, a syntactic construct like an if-condition-then statement may be denoted by means of a single node with three branches. This distinguishes abstract syntax trees from concrete syntax trees, traditionally designated parse trees. Parse trees are typically built by a parser during the source code translation and compiling pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Felix (programming Language)
Felix may refer to: * Felix (name), people and fictional characters with the name Places * Arabia Felix is the ancient Latin name of Yemen * Felix, Spain, a municipality of the province Almería, in the autonomous community of Andalusia, Spain * St. Felix, Prince Edward Island, a rural community in Prince County, Prince Edward Island, Canada. * Felix, Ontario, an unincorporated place and railway point in Northeastern Ontario, Canada * St. Felix, South Tyrol, a village in South Tyrol, in northern Italy. * Felix, California, an unincorporated community in Calaveras County * Felix Township, Grundy County, Illinois * Felix Township, Grundy County, Iowa Music * Felix (band), a British band * Felix (musician), British DJ * Felix (rapper) (born 2000), Australian rapper and member of the K-pop boy band Stray Kids * Félix Award, a Quebec music award named after Félix Leclerc Business * Felix (pet food), a brand of cat food sold in most European countries * AB Feli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Red (programming Language)
Red is a programming language designed to overcome the limitations of the programming language Rebol. Red was introduced in 2011 by Nenad Rakočević, and is both an imperative programming, imperative and functional programming language. Its syntax and general usage overlaps that of the interpreted Rebol language. The implementation choices of Red intend to create a Solution stack, full stack programming language: Red can be used for extremely high-level programming (Domain-specific language, DSLs and Graphical user interface, GUIs) as well as low-level programming (operating systems and device drivers). Key to the approach is that the language has two parts: ''Red/System'' and ''Red''. * ''Red/System'' is similar to C, but packaged into a Rebol lexical structure for example, one would write instead of . * ''Red'' is a homoiconicity, homoiconic language, which is capable of meta-programming with Rebol-like semantics. Red's runtime library is written in Red/System, and uses a hyb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Seed7
Seed7 is an extensible general-purpose programming language designed by Thomas Mertes. It is syntactically similar to Pascal and Ada. Along with many other features, it provides an extension mechanism. Daniel Zingaro"Modern Extensible Languages" SQRL Report 47 McMaster University (October 2007), page 16alternate link. Seed7 supports introducing new syntax elements and their semantics into the language, and allows new language constructs to be defined and written in Seed7. Abrial, Jean-Raymond and Glässer, Uwe"Rigorous Methods for Software Construction and Analysis" , Springer, 2010, page 166. For example, programmers can introduce syntax and semantics of new statements and user defined operator symbols. The implementation of Seed7 differs significantly from that of languages with hard-coded syntax and semantics. Features Seed7 supports the programming paradigms: imperative, object-oriented (OO), and generic. It also supports features such as call by name, multiple disp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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OpenC++ (software Tool)
P.I.P.S. is a term (recursive acronym) for Symbian software libraries, and means "P.I.P.S. Is POSIX on Symbian OS". It is intended to help C language programmers in migration of desktop and server middleware, applications to Symbian OS based mobile smartphone devices. Software libraries The PIPS software libraries provides C and C++ application programming interfaces in standard C libraries such as * POSIX ** libc – The "C Standard Library" with system APIs mapped to Symbian OS APIs for better performance ** libm – A mathematical library ** libpthread – Implements POSIX-style threading support in terms of the underlying Symbian OS thread support ** libdl – Implements POSIX-style dynamic linking which extends the dynamic loading model of Symbian OS * LIBZ ** libz * OpenSSL ** libcrypt ** libcrypto ** libssl * GNOME ** libglib Limitations The P.I.P.S. environment does not support true signalling. Basic signal support is emulated using threads. Extensions and succe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Camlp4
Camlp4 is a software system for writing extensible parsers for programming languages. It provides a set of OCaml libraries that are used to define grammars as well as loadable syntax extensions of such grammars. Camlp4 stands for Caml Preprocessor and Pretty-Printer and one of its most important applications was the definition of domain-specific extensions of the syntax of OCaml. Camlp4 was part of the official OCaml distribution which is developed at the INRIA. Its original author is Daniel de Rauglaudre. OCaml version 3.10.0, released in May 2007, introduced a significantly modified and backward-incompatible version of Camlp4. De Rauglaudre maintains a separate backward-compatible version, which has been renamed Camlp5. All of the examples below are for Camlp5 or the previous version of Camlp4 (versions 3.09 and prior). Version 4.08, released in the summer of 2019, was the last official version of this library. It is currently deprecated; instead, it is recommended to use the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Racket (programming Language)
Racket is a General-purpose programming language, general-purpose, multi-paradigm programming language. The Racket language is a modern dialect of Lisp (programming language), Lisp and a descendant of Scheme (programming language), Scheme. It is designed as a platform for programming language theory, programming language design and implementation. In addition to the core Racket language, ''Racket'' is also used to refer to the family of programming languages and set of tools supporting development on and with Racket. Racket is also used for script (computing), scripting, computer science education, and research. The Racket platform provides an implementation of the Racket language (including a runtime system, libraries, and compiler supporting several compilation modes: machine code, machine-independent, interpreted, and JIT) along with the DrRacket integrated development environment (IDE) written in Racket. Racket is used by the ProgramByDesign outreach program, which aims to tur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Coq (software)
The Rocq Prover (previously known as Coq) is an interactive theorem prover first released in 1989. It allows the expression of mathematical assertions, mechanical checking of proofs of these assertions, assists in finding formal proofs using proof automation routines and extraction of a certified program from the constructive proof of its formal specification. Rocq works within the theory of the ''calculus of inductive constructions'', a derivative of the '' calculus of constructions''. Rocq is not an automated theorem prover but includes automatic theorem proving tactics ( procedures) and various decision procedures. The Association for Computing Machinery awarded Thierry Coquand, Gérard Huet, Christine Paulin-Mohring, Bruno Barras, Jean-Christophe Filliâtre, Hugo Herbelin, Chetan Murthy, Yves Bertot, and Pierre Castéran with the 2013 ACM Software System Award for Rocq (when it was still named Coq). Overview When viewed as a programming language, Rocq implements a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Hygienic Macros
In computer science, hygienic macros are Macro (computer science), macros whose expansion is guaranteed not to cause the accidental #The hygiene problem, capture of identifiers. They are a feature of programming languages such as Scheme (programming language), Scheme, Dylan (programming language), Dylan, Rust (programming language), Rust, Nim (programming language), Nim, and Julia (programming language), Julia. The general problem of accidental capture was well known in the Lisp (programming language), Lisp community before the introduction of hygienic macros. Macro writers would use language features that would generate unique identifiers (e.g., gensym) or use obfuscated identifiers to avoid the problem. Hygienic macros are a programmatic solution to the capture problem that is integrated into the macro expander. The term "hygiene" was coined in Kohlbecker et al.'s 1986 paper that introduced hygienic macro expansion, inspired by terminology used in mathematics. The hygiene problem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |