• In computer science, BackusNaur form (BNF, pronounced /ˌbækəs ˈnaʊər/), also known as Backus normal form, is a notation system for defining the syntax...
    27 KB (2,984 words) - 17:52, 15 March 2025
  • In computer science, extended BackusNaur form (EBNF) is a family of metasyntax notations, any of which can be used to express a context-free grammar....
    15 KB (1,653 words) - 20:45, 20 May 2025
  • In computer science, augmented BackusNaur form (ABNF) is a metalanguage based on BackusNaur form (BNF) but consisting of its own syntax and derivation...
    11 KB (1,154 words) - 16:07, 6 April 2025
  • Translational BackusNaur Form (TBNF or Translational BNF) refers to BackusNaur form, which is a formal grammar notation used to define the syntax of...
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  • Thumbnail for John Backus
    used high-level programming language, and was the inventor of the BackusNaur form (BNF), a widely used notation to define syntaxes of formal languages...
    17 KB (1,408 words) - 21:29, 8 May 2025
  • Thumbnail for Peter Naur
    winner. He is best remembered as a contributor, with John Backus, to the BackusNaur form (BNF) notation used in describing the syntax for most programming...
    13 KB (1,255 words) - 18:32, 27 April 2025
  • bar unusable as the regular expression "alternative" operator. In BackusNaur form, an expression consists of sequences of symbols and/or sequences separated...
    25 KB (2,920 words) - 16:12, 19 May 2025
  • 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 BackusNaur form (BNF), extended BackusNaur form (EBNF), Wirth syntax notation (WSN), and augmented BackusNaur form (ABNF). Metalanguages...
    8 KB (1,036 words) - 16:26, 27 December 2023
  • Thumbnail for Formal grammar
    Adaptive grammar Ambiguous grammar BackusNaur form (BNF) Categorial grammar Concrete syntax tree Extended BackusNaur form (EBNF) Grammar Grammar framework...
    24 KB (3,450 words) - 20:46, 12 May 2025
  • Thumbnail for ALGOL
    formal language definition and through the Algol 60 Report introduced BackusNaur form, a principal formal grammar notation for language design. There were...
    37 KB (3,200 words) - 19:35, 25 April 2025
  • Thumbnail for Syntax (programming languages)
    which is a Type-2 grammar, generally given as production rules in BackusNaur form (BNF). Phrase grammars are often specified in much more constrained...
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  • declared before use which is impossible to describe in the extended BackusNaur form and thus not easily detected during parsing. Attribute grammar Context-sensitive...
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  • Thumbnail for History of compiler construction
    1995). "Extended Backus Naur Form". Compiler Basics. Retrieved 11 May 2011. Donald E. Knuth, "Backus Normal Form vs. Backus Naur Form", Communications...
    52 KB (6,376 words) - 07:59, 21 November 2024
  • Thumbnail for Terminal and nonterminal symbols
    literature. BackusNaur form is a notation for expressing certain grammars. For instance, the following production rules in Backus-Naur form are used to...
    7 KB (947 words) - 19:58, 7 May 2025
  • rules called a grammar. BackusNaur form (BNF) describes the syntax of "sentences" of a language. It was developed by John Backus and used for the syntax...
    66 KB (8,020 words) - 13:18, 26 April 2025
  • Expression templates allow users to approximate the syntax of extended BackusNaur form (EBNF) completely in C++. Parser objects are composed through operator...
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  • an input to a parser generator. It often resembles BackusNaur form (BNF), extended BackusNaur form (EBNF), or has its own syntax. Grammar files describe...
    41 KB (5,129 words) - 00:57, 18 May 2025
  • Thumbnail for Formal language
    languages, known as the Chomsky hierarchy. In 1959 John Backus developed the Backus-Naur form to describe the syntax of a high level programming language...
    27 KB (3,163 words) - 01:36, 21 May 2025
  • In syntax diagrams they are used for grouping, such as in extended BackusNaur form. In Mathematica and the Wolfram language, parentheses are used to indicate...
    75 KB (5,755 words) - 23:36, 22 May 2025
  • Thumbnail for Context-free grammar
    computer science, a popular notation for context-free grammars is BackusNaur form, or BNF. Since at least the time of the ancient Indian scholar Pāṇini...
    46 KB (6,143 words) - 21:09, 21 April 2025
  • most notably, of ALGOL 60, which introduced a syntax description in BackusNaur form. However, context-free rules cannot express agreement or reference...
    24 KB (2,900 words) - 01:57, 22 April 2025
  • Thumbnail for Computer program
    programmers to form constants, variable names, structure names, and function names. Syntax Rules are defined in the BackusNaur form. Programming languages...
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  • (DFA)-based lexers with full Unicode support and lexical states. Extended BackusNaur form grammar syntax. (Supports the *, ? and + operators). LALR(1) based...
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  • for nitrogen or CCO for ethanol BNF (Backus normal form, or BackusNaur form) and EBNF (extended Backus-Naur form) are the two main notation techniques...
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  • grammar. They represent a graphical alternative to BackusNaur form, EBNF, Augmented BackusNaur form, and other text-based grammars as metalanguages. Early...
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  • will halt at depth n. BackusNaur form Chomsky normal form Kuroda normal form Greibach, Sheila (January 1965). "A New Normal-Form Theorem for Context-Free...
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  • and its syntax was the first to be described in formal notation – BackusNaur form (BNF). During roughly the same period, COBOL introduced records (also...
    17 KB (2,028 words) - 12:12, 8 May 2025
  • John Backus presented a formal notation for describing programming language syntax, later named Backus normal form then renamed BackusNaur form (BNF)...
    32 KB (3,643 words) - 16:00, 20 December 2024
  • "reduced feature" graphs. The query language is based on an extended BackusNaur form (EBNF) using JavaCC. E. Proschak, J. K. Wegner, A. Schüller, G. Schneider...
    1 KB (114 words) - 02:15, 4 February 2018