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| // https://docs.oracle.com/javase/specs/jls/se15/html/jls-3.html#jls-3.10
| var decimalDigits = '[0-9](_*[0-9])*';
| var frac = `\\.(${decimalDigits})`;
| var hexDigits = '[0-9a-fA-F](_*[0-9a-fA-F])*';
| var NUMERIC = {
| className: 'number',
| variants: [
| // DecimalFloatingPointLiteral
| // including ExponentPart
| { begin: `(\\b(${decimalDigits})((${frac})|\\.)?|(${frac}))` +
| `[eE][+-]?(${decimalDigits})[fFdD]?\\b` },
| // excluding ExponentPart
| { begin: `\\b(${decimalDigits})((${frac})[fFdD]?\\b|\\.([fFdD]\\b)?)` },
| { begin: `(${frac})[fFdD]?\\b` },
| { begin: `\\b(${decimalDigits})[fFdD]\\b` },
|
| // HexadecimalFloatingPointLiteral
| { begin: `\\b0[xX]((${hexDigits})\\.?|(${hexDigits})?\\.(${hexDigits}))` +
| `[pP][+-]?(${decimalDigits})[fFdD]?\\b` },
|
| // DecimalIntegerLiteral
| { begin: '\\b(0|[1-9](_*[0-9])*)[lL]?\\b' },
|
| // HexIntegerLiteral
| { begin: `\\b0[xX](${hexDigits})[lL]?\\b` },
|
| // OctalIntegerLiteral
| { begin: '\\b0(_*[0-7])*[lL]?\\b' },
|
| // BinaryIntegerLiteral
| { begin: '\\b0[bB][01](_*[01])*[lL]?\\b' },
| ],
| relevance: 0
| };
|
| /*
| Language: Java
| Author: Vsevolod Solovyov <vsevolod.solovyov@gmail.com>
| 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
| },
| ]
| };
| const NUMBER = NUMERIC;
|
| 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]+'
| }
| ]
| }
| ),
| // relevance boost
| {
| begin: /import java\.[a-z]+\./,
| keywords: "import",
| relevance: 2
| },
| hljs.C_LINE_COMMENT_MODE,
| hljs.C_BLOCK_COMMENT_MODE,
| hljs.APOS_STRING_MODE,
| hljs.QUOTE_STRING_MODE,
| {
| className: 'class',
| beginKeywords: 'class interface enum', end: /[{;=]/, excludeEnd: true,
| // TODO: can this be removed somehow?
| // an extra boost because Java is more popular than other languages with
| // this same syntax feature (this is just to preserve our tests passing
| // for now)
| relevance: 1,
| keywords: 'class interface enum',
| 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: 'class',
| begin: 'record\\s+' + hljs.UNDERSCORE_IDENT_RE + '\\s*\\(',
| returnBegin: true,
| excludeEnd: true,
| end: /[{;=]/,
| keywords: KEYWORDS,
| contains: [
| { beginKeywords: "record" },
| {
| begin: hljs.UNDERSCORE_IDENT_RE + '\\s*\\(',
| returnBegin: true,
| relevance: 0,
| contains: [hljs.UNDERSCORE_TITLE_MODE]
| },
| {
| className: 'params',
| begin: /\(/, end: /\)/,
| keywords: KEYWORDS,
| relevance: 0,
| contains: [
| hljs.C_BLOCK_COMMENT_MODE
| ]
| },
| hljs.C_LINE_COMMENT_MODE,
| hljs.C_BLOCK_COMMENT_MODE
| ]
| },
| {
| 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,
| NUMBER,
| hljs.C_BLOCK_COMMENT_MODE
| ]
| },
| hljs.C_LINE_COMMENT_MODE,
| hljs.C_BLOCK_COMMENT_MODE
| ]
| },
| NUMBER,
| ANNOTATION
| ]
| };
| }
|
| module.exports = java;
|
|
