[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: RE: Defining a language using itself
Hi Roger, TEI ODD [1][2] may come relatively close to what you're asking about, especially in its "pure" version [3], with dependencies on Relax NG removed. [1]: http://wiki.tei-c.org/index.php/ODD [2]: http://www.tei-c.org/release/doc/tei-p5-doc/en/html/TD.html [3]: https://github.com/TEIC/pureodd Best regards, Piotr On 12/01/15 17:30, Costello, Roger L. wrote: Here's another example of a language that is defined using the language itself: This document defines the Augmented BNF (ABNF) using ABNF: https://tools.ietf.org/html/rfc5234#section-4 That is the ABNF-for-ABNFs! Neat! /Roger -----Original Message----- From: Costello, Roger L. Sent: Saturday, January 10, 2015 3:43 PM To: xml-dev@lists.xml.org Subject: Defining a language using itself Hi Folks, I think it is mind-blowing when a language is defined using the language itself. This document defines the XML Schema language using XML Schema: http://www.w3.org/TR/xmlschema11-1/#normative-schemaSchema That is the XML schema-for-schemas! This document defines the JSON Schema language using JSON Schema: http://json-schema.org/draft-04/schema# That is the JSON schema-for-schemas! These two documents define the ANTLR grammar language using the ANTLR grammar: https://github.com/antlr/grammars-v4/blob/master/antlr4/ANTLRv4Parser.g4 https://github.com/antlr/grammars-v4/blob/master/antlr4/ANTLRv4Lexer.g4 That is the ANTLR grammar-for-grammars! Neat! Do you know of other languages that are defined using the language itself? /Roger _______________________________________________________________________ XML-DEV is a publicly archived, unmoderated list hosted by OASIS to support XML implementation and development. To minimize spam in the archives, you must subscribe before posting. [Un]Subscribe/change address: http://www.oasis-open.org/mlmanage/ Or unsubscribe: xml-dev-unsubscribe@lists.xml.org subscribe: xml-dev-subscribe@lists.xml.org List archive: http://lists.xml.org/archives/xml-dev/ List Guidelines: http://www.oasis-open.org/maillists/guidelines.php
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