mindoc/static/highlight/languages/ebnf.js

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2017-04-21 18:20:35 +08:00
/*
Language: Extended Backus-Naur Form
Author: Alex McKibben <alex@nullscope.net>
*/
function(hljs) {
var commentMode = hljs.COMMENT(/\(\*/, /\*\)/);
var nonTerminalMode = {
className: "attribute",
begin: /^[ ]*[a-zA-Z][a-zA-Z-]*([\s-]+[a-zA-Z][a-zA-Z]*)*/
};
var specialSequenceMode = {
className: "meta",
begin: /\?.*\?/
};
var ruleBodyMode = {
begin: /=/, end: /;/,
contains: [
commentMode,
specialSequenceMode,
// terminals
hljs.APOS_STRING_MODE, hljs.QUOTE_STRING_MODE
]
};
return {
illegal: /\S/,
contains: [
commentMode,
nonTerminalMode,
ruleBodyMode
]
};
}