/
scala.js
144 lines (133 loc) · 2.83 KB
/
scala.js
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/*
Language: Scala
Category: functional
Author: Jan Berkel <jan.berkel@gmail.com>
Contributors: Erik Osheim <d_m@plastic-idolatry.com>
Website: https://www.scala-lang.org
*/
export default function(hljs) {
const ANNOTATION = {
className: 'meta',
begin: '@[A-Za-z]+'
};
// used in strings for escaping/interpolation/substitution
const SUBST = {
className: 'subst',
variants: [
{
begin: '\\$[A-Za-z0-9_]+'
},
{
begin: /\$\{/,
end: /\}/
}
]
};
const STRING = {
className: 'string',
variants: [
{
begin: '"""',
end: '"""'
},
{
begin: '"',
end: '"',
illegal: '\\n',
contains: [ hljs.BACKSLASH_ESCAPE ]
},
{
begin: '[a-z]+"',
end: '"',
illegal: '\\n',
contains: [
hljs.BACKSLASH_ESCAPE,
SUBST
]
},
{
className: 'string',
begin: '[a-z]+"""',
end: '"""',
contains: [ SUBST ],
relevance: 10
}
]
};
const SYMBOL = {
className: 'symbol',
begin: '\'\\w[\\w\\d_]*(?!\')'
};
const TYPE = {
className: 'type',
begin: '\\b[A-Z][A-Za-z0-9_]*',
relevance: 0
};
const NAME = {
className: 'title',
begin: /[^0-9\n\t "'(),.`{}\[\]:;][^\n\t "'(),.`{}\[\]:;]+|[^0-9\n\t "'(),.`{}\[\]:;=]/,
relevance: 0
};
const CLASS = {
className: 'class',
beginKeywords: 'class object trait type',
end: /[:={\[\n;]/,
excludeEnd: true,
contains: [
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE,
{
beginKeywords: 'extends with',
relevance: 10
},
{
begin: /\[/,
end: /\]/,
excludeBegin: true,
excludeEnd: true,
relevance: 0,
contains: [ TYPE ]
},
{
className: 'params',
begin: /\(/,
end: /\)/,
excludeBegin: true,
excludeEnd: true,
relevance: 0,
contains: [ TYPE ]
},
NAME
]
};
const METHOD = {
className: 'function',
beginKeywords: 'def',
end: /[:={\[(\n;]/,
excludeEnd: true,
contains: [ NAME ]
};
const INLINE = {
className: 'keyword',
begin: /(?<!\.)\binline(?=\s)/
};
return {
name: 'Scala',
keywords: {
literal: 'true false null',
keyword: 'type yield lazy override def with val var sealed abstract private trait object if then forSome for while do throw finally protected extends import final return else break new catch super class case package default try this match continue throws implicit'
},
contains: [
hljs.C_LINE_COMMENT_MODE,
hljs.C_BLOCK_COMMENT_MODE,
STRING,
SYMBOL,
TYPE,
METHOD,
CLASS,
hljs.C_NUMBER_MODE,
INLINE,
ANNOTATION
]
};
}