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Wirth syntax notation

Wirth syntax notation (WSN) is a metasyntax, that is, a formal way to describe formal languages. 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 iteration construct, and it avoids the use of an explicit symbol for the empty string (such as <empty>…

WSN defined in itself, Another example & Syntax diagram

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WSN defined in itself

Extended Backus–Naur formASCIIAlphanumeric
3 related topics

Another example

WhitespaceKludge
2 related topics

Syntax diagram

Syntax diagram
1 related topics

Overview

MetasyntaxFormal languagesNiklaus WirthBackus–Naur formInternational standards
9 related topics

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Overview

WSN defined in itself

Another example

Syntax diagram

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Map overview Semantic statistics

Wirth syntax notation

Nodes20
Edges19
Triples0
Avg. degree1.9
Density0.1
Components1

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Important terminology

syntax defined wsn bnf used wirth example left several stands concepts even undefined one notation languages 1977 backus naur form

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SubjectPredicateObjectConfidenceSrc

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