vue hello world项目
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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;