141 lines
2.7 KiB
JavaScript
141 lines
2.7 KiB
JavaScript
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/*
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Language: Scala
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Category: functional
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Author: Jan Berkel <jan.berkel@gmail.com>
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Contributors: Erik Osheim <d_m@plastic-idolatry.com>
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Website: https://www.scala-lang.org
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*/
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function scala(hljs) {
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const ANNOTATION = {
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className: 'meta',
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begin: '@[A-Za-z]+'
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};
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// used in strings for escaping/interpolation/substitution
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const SUBST = {
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className: 'subst',
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variants: [
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{
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begin: '\\$[A-Za-z0-9_]+'
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},
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{
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begin: /\$\{/,
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end: /\}/
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}
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]
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};
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const STRING = {
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className: 'string',
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variants: [
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{
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begin: '"""',
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end: '"""'
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},
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{
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begin: '"',
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end: '"',
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illegal: '\\n',
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contains: [ hljs.BACKSLASH_ESCAPE ]
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},
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{
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begin: '[a-z]+"',
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end: '"',
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illegal: '\\n',
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contains: [
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hljs.BACKSLASH_ESCAPE,
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SUBST
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]
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},
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{
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className: 'string',
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begin: '[a-z]+"""',
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end: '"""',
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contains: [ SUBST ],
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relevance: 10
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}
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]
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};
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const SYMBOL = {
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className: 'symbol',
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begin: '\'\\w[\\w\\d_]*(?!\')'
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};
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const TYPE = {
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className: 'type',
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begin: '\\b[A-Z][A-Za-z0-9_]*',
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relevance: 0
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};
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const NAME = {
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className: 'title',
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begin: /[^0-9\n\t "'(),.`{}\[\]:;][^\n\t "'(),.`{}\[\]:;]+|[^0-9\n\t "'(),.`{}\[\]:;=]/,
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relevance: 0
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};
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const CLASS = {
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className: 'class',
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beginKeywords: 'class object trait type',
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end: /[:={\[\n;]/,
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excludeEnd: true,
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contains: [
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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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beginKeywords: 'extends with',
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relevance: 10
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},
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{
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begin: /\[/,
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end: /\]/,
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excludeBegin: true,
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excludeEnd: true,
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relevance: 0,
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contains: [ TYPE ]
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},
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{
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className: 'params',
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begin: /\(/,
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end: /\)/,
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excludeBegin: true,
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excludeEnd: true,
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relevance: 0,
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contains: [ TYPE ]
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},
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NAME
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]
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};
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const METHOD = {
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className: 'function',
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beginKeywords: 'def',
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end: /[:={\[(\n;]/,
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excludeEnd: true,
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contains: [ NAME ]
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};
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return {
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name: 'Scala',
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keywords: {
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literal: 'true false null',
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keyword: 'type yield lazy override def with val var sealed abstract private trait object if forSome for while throw finally protected extends import final return else break new catch super class case package default try this match continue throws implicit'
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},
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contains: [
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hljs.C_LINE_COMMENT_MODE,
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hljs.C_BLOCK_COMMENT_MODE,
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STRING,
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SYMBOL,
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TYPE,
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METHOD,
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CLASS,
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hljs.C_NUMBER_MODE,
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ANNOTATION
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||
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]
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||
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};
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}
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module.exports = scala;
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