/** * @param {string} value * @returns {RegExp} * */ /** * @param {RegExp | string } re * @returns {string} */ function source(re) { if (!re) return null; if (typeof re === "string") return re; return re.source; } /** * @param {RegExp | string } re * @returns {string} */ function optional(re) { return concat('(', re, ')?'); } /** * @param {...(RegExp | string) } args * @returns {string} */ function concat(...args) { const joined = args.map((x) => source(x)).join(""); return joined; } /** * Any of the passed expresssions may match * * Creates a huge this | this | that | that match * @param {(RegExp | string)[] } args * @returns {string} */ function either(...args) { const joined = '(' + args.map((x) => source(x)).join("|") + ")"; return joined; } /* Language: Java Author: Vsevolod Solovyov Category: common, enterprise Website: https://www.java.com/ */ function java(hljs) { var JAVA_IDENT_RE = '[\u00C0-\u02B8a-zA-Z_$][\u00C0-\u02B8a-zA-Z_$0-9]*'; var GENERIC_IDENT_RE = JAVA_IDENT_RE + '(<' + JAVA_IDENT_RE + '(\\s*,\\s*' + JAVA_IDENT_RE + ')*>)?'; var KEYWORDS = 'false synchronized int abstract float private char boolean var static null if const ' + 'for true while long strictfp finally protected import native final void ' + 'enum else break transient catch instanceof byte super volatile case assert short ' + 'package default double public try this switch continue throws protected public private ' + 'module requires exports do'; var ANNOTATION = { className: 'meta', begin: '@' + JAVA_IDENT_RE, contains: [ { begin: /\(/, end: /\)/, contains: ["self"] // allow nested () inside our annotation }, ] }; /** * A given sequence, possibly with underscores * @type {(s: string | RegExp) => string} */ var SEQUENCE_ALLOWING_UNDERSCORES = (seq) => concat('[', seq, ']+([', seq, '_]*[', seq, ']+)?'); var JAVA_NUMBER_MODE = { className: 'number', variants: [ { begin: `\\b(0[bB]${SEQUENCE_ALLOWING_UNDERSCORES('01')})[lL]?` }, // binary { begin: `\\b(0${SEQUENCE_ALLOWING_UNDERSCORES('0-7')})[dDfFlL]?` }, // octal { begin: concat( /\b0[xX]/, either( concat(SEQUENCE_ALLOWING_UNDERSCORES('a-fA-F0-9'), /\./, SEQUENCE_ALLOWING_UNDERSCORES('a-fA-F0-9')), concat(SEQUENCE_ALLOWING_UNDERSCORES('a-fA-F0-9'), /\.?/), concat(/\./, SEQUENCE_ALLOWING_UNDERSCORES('a-fA-F0-9')) ), /([pP][+-]?(\d+))?/, /[fFdDlL]?/ // decimal & fp mixed for simplicity ) }, // scientific notation { begin: concat( /\b/, either( concat(/\d*\./, SEQUENCE_ALLOWING_UNDERSCORES("\\d")), // .3, 3.3, 3.3_3 SEQUENCE_ALLOWING_UNDERSCORES("\\d") // 3, 3_3 ), /[eE][+-]?[\d]+[dDfF]?/) }, // decimal & fp mixed for simplicity { begin: concat( /\b/, SEQUENCE_ALLOWING_UNDERSCORES(/\d/), optional(/\.?/), optional(SEQUENCE_ALLOWING_UNDERSCORES(/\d/)), /[dDfFlL]?/) } ], relevance: 0 }; return { name: 'Java', aliases: ['jsp'], keywords: KEYWORDS, illegal: /<\/|#/, contains: [ hljs.COMMENT( '/\\*\\*', '\\*/', { relevance: 0, contains: [ { // eat up @'s in emails to prevent them to be recognized as doctags begin: /\w+@/, relevance: 0 }, { className: 'doctag', begin: '@[A-Za-z]+' } ] } ), hljs.C_LINE_COMMENT_MODE, hljs.C_BLOCK_COMMENT_MODE, hljs.APOS_STRING_MODE, hljs.QUOTE_STRING_MODE, { className: 'class', beginKeywords: 'class interface', end: /[{;=]/, excludeEnd: true, keywords: 'class interface', illegal: /[:"\[\]]/, contains: [ { beginKeywords: 'extends implements' }, hljs.UNDERSCORE_TITLE_MODE ] }, { // Expression keywords prevent 'keyword Name(...)' from being // recognized as a function definition beginKeywords: 'new throw return else', relevance: 0 }, { className: 'function', begin: '(' + GENERIC_IDENT_RE + '\\s+)+' + hljs.UNDERSCORE_IDENT_RE + '\\s*\\(', returnBegin: true, end: /[{;=]/, excludeEnd: true, keywords: KEYWORDS, contains: [ { begin: hljs.UNDERSCORE_IDENT_RE + '\\s*\\(', returnBegin: true, relevance: 0, contains: [hljs.UNDERSCORE_TITLE_MODE] }, { className: 'params', begin: /\(/, end: /\)/, keywords: KEYWORDS, relevance: 0, contains: [ ANNOTATION, hljs.APOS_STRING_MODE, hljs.QUOTE_STRING_MODE, hljs.C_NUMBER_MODE, hljs.C_BLOCK_COMMENT_MODE ] }, hljs.C_LINE_COMMENT_MODE, hljs.C_BLOCK_COMMENT_MODE ] }, JAVA_NUMBER_MODE, ANNOTATION ] }; } module.exports = java;