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/*! `ebnf` grammar compiled for Highlight.js 11.11.1 */
(function(){
var hljsGrammar = (function () {
'use strict';
/*
Language: Extended Backus-Naur Form
Author: Alex McKibben <alex@nullscope.net>
Website: https://en.wikipedia.org/wiki/Extended_Backus–Naur_form
Category: syntax
*/
/** @type LanguageFn */
function ebnf(hljs) {
const commentMode = hljs.COMMENT(/\(\*/, /\*\)/);
const nonTerminalMode = {
className: "attribute",
begin: /^[ ]*[a-zA-Z]+([\s_-]+[a-zA-Z]+)*/
};
const specialSequenceMode = {
className: "meta",
begin: /\?.*\?/
};
const ruleBodyMode = {
begin: /=/,
end: /[.;]/,
contains: [
commentMode,
specialSequenceMode,
{
// terminals
className: 'string',
variants: [
hljs.APOS_STRING_MODE,
hljs.QUOTE_STRING_MODE,
{
begin: '`',
end: '`'
}
]
}
]
};
return {
name: 'Extended Backus-Naur Form',
illegal: /\S/,
contains: [
commentMode,
nonTerminalMode,
ruleBodyMode
]
};
}
return ebnf;
})();
hljs.registerLanguage('ebnf', hljsGrammar);
})();
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