hexo/node_modules/highlight.js/lib/languages/brainfuck.js

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2023-10-03 11:14:36 +08:00
/*
Language: Brainfuck
Author: Evgeny Stepanischev <imbolk@gmail.com>
Website: https://esolangs.org/wiki/Brainfuck
*/
/** @type LanguageFn */
function brainfuck(hljs) {
const LITERAL = {
className: 'literal',
begin: /[+-]+/,
relevance: 0
};
return {
name: 'Brainfuck',
aliases: [ 'bf' ],
contains: [
hljs.COMMENT(
/[^\[\]\.,\+\-<> \r\n]/,
/[\[\]\.,\+\-<> \r\n]/,
{
contains: [
{
match: /[ ]+[^\[\]\.,\+\-<> \r\n]/,
relevance: 0
}
],
returnEnd: true,
relevance: 0
}
),
{
className: 'title',
begin: '[\\[\\]]',
relevance: 0
},
{
className: 'string',
begin: '[\\.,]',
relevance: 0
},
{
// this mode works as the only relevance counter
// it looks ahead to find the start of a run of literals
// so only the runs are counted as relevant
begin: /(?=\+\+|--)/,
contains: [ LITERAL ]
},
LITERAL
]
};
}
module.exports = brainfuck;