reprism/src/languages/java.js

Modular Syntax highlighting for the web

export default {
  language: 'java',
  init: Prism => {
    Prism.languages.java = Prism.languages.extend('clike', {
      keyword: /\b(?:abstract|continue|for|new|switch|assert|default|goto|package|synchronized|boolean|do|if|private|this|break|double|implements|protected|throw|byte|else|import|public|throws|case|enum|instanceof|return|transient|catch|extends|int|short|try|char|final|interface|static|void|class|finally|long|strictfp|volatile|const|float|native|super|while)\b/,
      number: /\b0b[01]+\b|\b0x[\da-f]*\.?[\da-fp-]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?[df]?/i,
      operator: {
        pattern: /(^|[^.])(?:\+[+=]?|-[-=]?|!=?|<<?=?|>>?>?=?|==?|&[&=]?|\|[|=]?|\*=?|\/=?|%=?|\^=?|[?:~])/m,
        lookbehind: true,
      },
    })

    Prism.languages.insertBefore('java', 'function', {
      annotation: {
        alias: 'punctuation',
        pattern: /(^|[^.])@\w+/,
        lookbehind: true,
      },
    })

    Prism.languages.insertBefore('java', 'class-name', {
      generics: {
        pattern: /<\s*\w+(?:\.\w+)?(?:\s*,\s*\w+(?:\.\w+)?)*>/i,
        alias: 'function',
        inside: {
          keyword: Prism.languages.java.keyword,
          punctuation: /[<>(),.:]/,
        },
      },
    })
  },
}