reprism/src/languages/j.js

Modular Syntax highlighting for the web

export default {
  language: 'j',
  init: Prism => {
    Prism.languages.j = {
      comment: /\bNB\..*/,
      string: {
        pattern: /'(?:''|[^'\r\n])*'/,
        greedy: true,
      },
      keyword: /\b(?:(?:adverb|conjunction|CR|def|define|dyad|LF|monad|noun|verb)\b|(?:assert|break|case|catch[dt]?|continue|do|else|elseif|end|fcase|for|for_\w+|goto_\w+|if|label_\w+|return|select|throw|try|while|whilst)\.)/,
      verb: {
        // Negative look-ahead prevents bad highlighting
        // of ^: ;. =. =: !. !:
        pattern: /(?!\^:|;\.|[=!][.:])(?:\{(?:\.|::?)?|p(?:\.\.?|:)|[=!\]]|[<>+*\-%$|,#][.:]?|[?^]\.?|[;\[]:?|[~}"i][.:]|[ACeEIjLor]\.|(?:[_\/\\qsux]|_?\d):)/,
        alias: 'keyword',
      },
      number: /\b_?(?:(?!\d:)\d+(?:\.\d+)?(?:(?:[ejpx]|ad|ar)_?\d+(?:\.\d+)?)*(?:b_?[\da-z]+(?:\.[\da-z]+)?)?|_(?!\.))/,
      adverb: {
        pattern: /[~}]|[\/\\]\.?|[bfM]\.|t[.:]/,
        alias: 'builtin',
      },
      operator: /[=a][.:]|_\./,
      conjunction: {
        pattern: /&(?:\.:?|:)?|[.:@][.:]?|[!D][.:]|[;dHT]\.|`:?|[\^LS]:|"/,
        alias: 'variable',
      },
      punctuation: /[()]/,
    }
  },
}