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/*
Language: Ceylon
Author: Lucas Werkmeister <mail@lucaswerkmeister.de>
Website: https://ceylon-lang.org
*/
/** @type LanguageFn */
function ceylon(hljs) {
// 2.3. Identifiers and keywords
const KEYWORDS =
'assembly module package import alias class interface object given value ' +
'assign void function new of extends satisfies abstracts in out return ' +
'break continue throw assert dynamic if else switch case for while try ' +
'catch finally then let this outer super is exists nonempty';
// 7.4.1 Declaration Modifiers
const DECLARATION_MODIFIERS =
'shared abstract formal default actual variable late native deprecated ' +
'final sealed annotation suppressWarnings small';
// 7.4.2 Documentation
const DOCUMENTATION =
'doc by license see throws tagged';
const SUBST = {
className: 'subst',
excludeBegin: true,
excludeEnd: true,
begin: /``/,
end: /``/,
keywords: KEYWORDS,
relevance: 10
};
const EXPRESSIONS = [
{
// verbatim string
className: 'string',
begin: '"""',
end: '"""',
relevance: 10
},
{
// string literal or template
className: 'string',
begin: '"',
end: '"',
contains: [SUBST]
},
{
// character literal
className: 'string',
begin: "'",
end: "'"
},
{
// numeric literal
className: 'number',
begin: '#[0-9a-fA-F_]+|\\$[01_]+|[0-9_]+(?:\\.[0-9_](?:[eE][+-]?\\d+)?)?[kMGTPmunpf]?',
relevance: 0
}
];
SUBST.contains = EXPRESSIONS;
return {
name: 'Ceylon',
keywords: {
keyword: KEYWORDS + ' ' + DECLARATION_MODIFIERS,
meta: DOCUMENTATION
},
illegal: '\\$[^01]|#[^0-9a-fA-F]',
contains: [
hljs.C_LINE_COMMENT_MODE,
hljs.COMMENT('/\\*', '\\*/', {
contains: ['self']
}),
{
// compiler annotation
className: 'meta',
begin: '@[a-z]\\w*(?::"[^"]*")?'
}
].concat(EXPRESSIONS)
};
}
module.exports = ceylon;