In computer science, Backus–Naur form (/ˌbækəs ˈnaʊər/) (BNF or Backus normal form) is a notation used to describe the syntax of programming languages...
31 KB (3,647 words) - 08:59, 1 August 2024
In computer science, extended Backus–Naur form (EBNF) is a family of metasyntax notations, any of which can be used to express a context-free grammar....
16 KB (1,697 words) - 14:14, 14 June 2024
In computer science, augmented Backus–Naur form (ABNF) is a metalanguage based on Backus–Naur form (BNF), but consisting of its own syntax and derivation...
11 KB (1,154 words) - 05:27, 24 July 2024
winner. He is best remembered as a contributor, with John Backus, to the Backus–Naur form (BNF) notation used in describing the syntax for most programming...
13 KB (1,255 words) - 03:02, 15 February 2024
used high-level programming language, and was the inventor of the Backus–Naur form (BNF), a widely used notation to define syntaxes of formal languages...
17 KB (1,408 words) - 20:18, 25 August 2024
Translational Backus–Naur Form (TBNF or Translational BNF) refers to Backus–Naur form, which is a formal grammar notation used to define the syntax of...
5 KB (540 words) - 15:31, 16 February 2024
Vertical bar (section Backus–Naur form)
bar unusable as the regular expression "alternative" operator. In Backus–Naur form, an expression consists of sequences of symbols and/or sequences separated...
27 KB (3,031 words) - 03:02, 24 July 2024
2021-03-05. Here: p.354 Knuth, Donald E. (December 1964). "Backus Normal Form vs. Backus Naur Form". Communications of the ACM. 7 (12): 735–736. doi:10.1145/355588...
21 KB (1,926 words) - 08:25, 22 August 2024
computer languages are Backus–Naur form (BNF), extended Backus–Naur form (EBNF), Wirth syntax notation (WSN), and augmented Backus–Naur form (ABNF). Metalanguages...
8 KB (1,036 words) - 16:26, 27 December 2023
formal language definition and through the Algol 60 Report introduced Backus–Naur form, a principal formal grammar notation for language design. There were...
42 KB (3,536 words) - 04:04, 27 August 2024
grammar. They represent a graphical alternative to Backus–Naur form, EBNF, Augmented Backus–Naur form, and other text-based grammars as metalanguages. Early...
5 KB (541 words) - 20:26, 2 January 2024
Context-free grammar (section Well-formed parentheses)
computer science, a popular notation for context-free grammars is Backus–Naur form, or BNF. Since at least the time of the ancient Indian scholar Pāṇini...
46 KB (6,168 words) - 20:18, 18 August 2024
Formal grammar (redirect from Sentential form)
Adaptive grammar Ambiguous grammar Backus–Naur form (BNF) Categorial grammar Concrete syntax tree Extended Backus–Naur form (EBNF) Grammar Grammar framework...
23 KB (3,431 words) - 09:23, 25 April 2024
an input to a parser generator. It often resembles Backus–Naur form (BNF), extended Backus–Naur form (EBNF), or has its own syntax. Grammar files describe...
41 KB (5,089 words) - 22:26, 2 July 2024
declared before use which is impossible to describe in the extended Backus–Naur form and thus not easily detected during parsing. Attribute grammar Context-sensitive...
1,009 bytes (93 words) - 14:49, 4 December 2021
code) based on a formal grammar, written in a notation similar to Backus–Naur form (BNF). Yacc is supplied as a standard utility on BSD and AT&T Unix...
13 KB (1,233 words) - 21:29, 2 August 2024
Originally proposed by Niklaus Wirth in 1977 as an alternative to Backus–Naur form (BNF). It has several advantages over BNF in that it contains an explicit...
5 KB (607 words) - 12:08, 14 September 2023
or ↔. This definition can also be written as a formal grammar in Backus–Naur form, provided the set of variables is finite: <alpha set> ::= p | q | r...
18 KB (2,164 words) - 08:24, 27 August 2024
which is a Type-2 grammar, generally given as production rules in Backus–Naur form (BNF). Phrase grammars are often specified in much more constrained...
19 KB (2,419 words) - 08:54, 27 July 2024
contents. A syslog message is formatted (RFC 5424 gives the Augmented Backus–Naur form (ABNF) definition), but its MSG field is not. The network protocol...
16 KB (1,497 words) - 14:11, 20 July 2024
to Iota that supports input and output. Note that this article uses Backus-Naur form to describe syntax. Chris Barker's universal iota combinator ι has...
6 KB (686 words) - 02:59, 11 August 2024
Expression templates allow users to approximate the syntax of extended Backus–Naur form (EBNF) completely in C++. Parser objects are composed through operator...
4 KB (298 words) - 18:37, 20 May 2024
acyclic graph (DAG) Document Object Model (DOM) Expression tree Extended Backus–Naur form Lisp, a family of languages written in trees, with macros to manipulate...
10 KB (1,214 words) - 21:50, 27 August 2024
In syntax diagrams they are used for grouping, such as in extended Backus–Naur form. In Mathematica and the Wolfram language, parentheses are used to indicate...
74 KB (5,756 words) - 07:01, 27 August 2024
will halt at depth n. Backus–Naur form Chomsky normal form Kuroda normal form Greibach, Sheila (January 1965). "A New Normal-Form Theorem for Context-Free...
3 KB (405 words) - 14:28, 10 June 2024
programmers to form constants, variable names, structure names, and function names. Syntax Rules are defined in the Backus–Naur form. Programming languages...
127 KB (13,304 words) - 19:54, 27 August 2024
literature. Backus–Naur form is a notation for expressing certain grammars. For instance, the following production rules in Backus-Naur form are used to...
7 KB (907 words) - 16:43, 17 July 2024
and its syntax was the first to be described in formal notation – Backus–Naur form (BNF). During roughly the same period, COBOL introduced records (also...
17 KB (2,027 words) - 08:25, 28 August 2024
"reduced feature" graphs. The query language is based on an extended Backus–Naur form (EBNF) using JavaCC. E. Proschak, J. K. Wegner, A. Schüller, G. Schneider...
1 KB (114 words) - 02:15, 4 February 2018
for nitrogen or CCO for ethanol BNF (Backus normal form, or Backus–Naur form) and EBNF (extended Backus-Naur form) are the two main notation techniques...
9 KB (1,087 words) - 23:04, 26 June 2024