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Hello world
First open source release of Campfire 🎉
This commit is contained in:
Kevin McConnell
289
vendor/javascript/languages/java.js
vendored
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289
vendor/javascript/languages/java.js
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// https://docs.oracle.com/javase/specs/jls/se15/html/jls-3.html#jls-3.10
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var decimalDigits = '[0-9](_*[0-9])*';
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var frac = `\\.(${decimalDigits})`;
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var hexDigits = '[0-9a-fA-F](_*[0-9a-fA-F])*';
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var NUMERIC = {
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className: 'number',
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variants: [
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// DecimalFloatingPointLiteral
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// including ExponentPart
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{ begin: `(\\b(${decimalDigits})((${frac})|\\.)?|(${frac}))` +
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`[eE][+-]?(${decimalDigits})[fFdD]?\\b` },
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// excluding ExponentPart
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{ begin: `\\b(${decimalDigits})((${frac})[fFdD]?\\b|\\.([fFdD]\\b)?)` },
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{ begin: `(${frac})[fFdD]?\\b` },
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{ begin: `\\b(${decimalDigits})[fFdD]\\b` },
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// HexadecimalFloatingPointLiteral
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{ begin: `\\b0[xX]((${hexDigits})\\.?|(${hexDigits})?\\.(${hexDigits}))` +
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`[pP][+-]?(${decimalDigits})[fFdD]?\\b` },
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// DecimalIntegerLiteral
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{ begin: '\\b(0|[1-9](_*[0-9])*)[lL]?\\b' },
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// HexIntegerLiteral
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{ begin: `\\b0[xX](${hexDigits})[lL]?\\b` },
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// OctalIntegerLiteral
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{ begin: '\\b0(_*[0-7])*[lL]?\\b' },
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// BinaryIntegerLiteral
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{ begin: '\\b0[bB][01](_*[01])*[lL]?\\b' },
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],
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relevance: 0
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};
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/*
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Language: Java
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Author: Vsevolod Solovyov <vsevolod.solovyov@gmail.com>
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Category: common, enterprise
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Website: https://www.java.com/
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*/
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/**
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* Allows recursive regex expressions to a given depth
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*
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* ie: recurRegex("(abc~~~)", /~~~/g, 2) becomes:
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* (abc(abc(abc)))
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*
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* @param {string} re
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* @param {RegExp} substitution (should be a g mode regex)
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* @param {number} depth
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* @returns {string}``
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*/
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function recurRegex(re, substitution, depth) {
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if (depth === -1) return "";
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return re.replace(substitution, _ => {
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return recurRegex(re, substitution, depth - 1);
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});
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}
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/** @type LanguageFn */
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function java(hljs) {
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const regex = hljs.regex;
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const JAVA_IDENT_RE = '[\u00C0-\u02B8a-zA-Z_$][\u00C0-\u02B8a-zA-Z_$0-9]*';
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const GENERIC_IDENT_RE = JAVA_IDENT_RE
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+ recurRegex('(?:<' + JAVA_IDENT_RE + '~~~(?:\\s*,\\s*' + JAVA_IDENT_RE + '~~~)*>)?', /~~~/g, 2);
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const MAIN_KEYWORDS = [
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'synchronized',
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'abstract',
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'private',
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'var',
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'static',
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'if',
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'const ',
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'for',
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'while',
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'strictfp',
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'finally',
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'protected',
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'import',
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'native',
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'final',
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'void',
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'enum',
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'else',
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'break',
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'transient',
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'catch',
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'instanceof',
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'volatile',
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'case',
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'assert',
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'package',
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'default',
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'public',
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'try',
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'switch',
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'continue',
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'throws',
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'protected',
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'public',
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'private',
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'module',
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'requires',
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'exports',
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'do',
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'sealed',
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'yield',
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'permits'
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];
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const BUILT_INS = [
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'super',
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'this'
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];
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const LITERALS = [
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'false',
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'true',
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'null'
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];
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const TYPES = [
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'char',
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'boolean',
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'long',
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'float',
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'int',
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'byte',
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'short',
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'double'
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];
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const KEYWORDS = {
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keyword: MAIN_KEYWORDS,
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literal: LITERALS,
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type: TYPES,
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built_in: BUILT_INS
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};
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const ANNOTATION = {
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className: 'meta',
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begin: '@' + JAVA_IDENT_RE,
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contains: [
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{
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begin: /\(/,
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end: /\)/,
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contains: [ "self" ] // allow nested () inside our annotation
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}
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]
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};
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const PARAMS = {
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className: 'params',
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begin: /\(/,
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end: /\)/,
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keywords: KEYWORDS,
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relevance: 0,
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contains: [ hljs.C_BLOCK_COMMENT_MODE ],
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endsParent: true
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};
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return {
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name: 'Java',
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aliases: [ 'jsp' ],
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keywords: KEYWORDS,
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illegal: /<\/|#/,
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contains: [
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hljs.COMMENT(
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'/\\*\\*',
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'\\*/',
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{
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relevance: 0,
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contains: [
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{
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// eat up @'s in emails to prevent them to be recognized as doctags
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begin: /\w+@/,
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relevance: 0
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},
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{
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className: 'doctag',
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begin: '@[A-Za-z]+'
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}
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]
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}
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),
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// relevance boost
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{
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begin: /import java\.[a-z]+\./,
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keywords: "import",
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relevance: 2
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},
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hljs.C_LINE_COMMENT_MODE,
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hljs.C_BLOCK_COMMENT_MODE,
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{
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begin: /"""/,
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end: /"""/,
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className: "string",
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contains: [ hljs.BACKSLASH_ESCAPE ]
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},
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hljs.APOS_STRING_MODE,
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hljs.QUOTE_STRING_MODE,
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{
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match: [
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/\b(?:class|interface|enum|extends|implements|new)/,
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/\s+/,
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JAVA_IDENT_RE
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],
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className: {
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1: "keyword",
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3: "title.class"
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}
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},
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{
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// Exceptions for hyphenated keywords
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match: /non-sealed/,
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scope: "keyword"
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},
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{
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begin: [
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regex.concat(/(?!else)/, JAVA_IDENT_RE),
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/\s+/,
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JAVA_IDENT_RE,
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/\s+/,
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/=(?!=)/
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],
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className: {
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1: "type",
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3: "variable",
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5: "operator"
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}
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},
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{
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begin: [
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/record/,
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/\s+/,
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JAVA_IDENT_RE
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],
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className: {
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1: "keyword",
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3: "title.class"
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},
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contains: [
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PARAMS,
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hljs.C_LINE_COMMENT_MODE,
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hljs.C_BLOCK_COMMENT_MODE
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]
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},
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{
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// Expression keywords prevent 'keyword Name(...)' from being
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// recognized as a function definition
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beginKeywords: 'new throw return else',
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relevance: 0
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},
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{
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begin: [
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'(?:' + GENERIC_IDENT_RE + '\\s+)',
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hljs.UNDERSCORE_IDENT_RE,
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/\s*(?=\()/
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],
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className: { 2: "title.function" },
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keywords: KEYWORDS,
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contains: [
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{
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className: 'params',
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begin: /\(/,
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end: /\)/,
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keywords: KEYWORDS,
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relevance: 0,
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contains: [
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ANNOTATION,
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hljs.APOS_STRING_MODE,
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hljs.QUOTE_STRING_MODE,
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NUMERIC,
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hljs.C_BLOCK_COMMENT_MODE
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]
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},
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hljs.C_LINE_COMMENT_MODE,
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hljs.C_BLOCK_COMMENT_MODE
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]
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},
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NUMERIC,
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ANNOTATION
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]
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};
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}
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export default java;
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