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module.exports = function(hljs) {
var KEYWORDS = {
keyword:
// Moonscript keywords
'if then not for in while do return else elseif break continue switch and or ' +
'unless when class extends super local import export from using',
literal:
'true false nil',
built_in:
'_G _VERSION assert collectgarbage dofile error getfenv getmetatable ipairs load ' +
'loadfile loadstring module next pairs pcall print rawequal rawget rawset require ' +
'select setfenv setmetatable tonumber tostring type unpack xpcall coroutine debug ' +
'io math os package string table'
};
var JS_IDENT_RE = '[A-Za-z$_][0-9A-Za-z$_]*';
var SUBST = {
className: 'subst',
begin: /#\{/, end: /}/,
keywords: KEYWORDS
};
var EXPRESSIONS = [
hljs.inherit(hljs.C_NUMBER_MODE,
{starts: {end: '(\\s*/)?', relevance: 0}}), // a number tries to eat the following slash to prevent treating it as a regexp
{
className: 'string',
variants: [
{
begin: /'/, end: /'/,
contains: [hljs.BACKSLASH_ESCAPE]
},
{
begin: /"/, end: /"/,
contains: [hljs.BACKSLASH_ESCAPE, SUBST]
}
]
},
{
className: 'built_in',
begin: '@__' + hljs.IDENT_RE
},
{
begin: '@' + hljs.IDENT_RE // relevance booster on par with CoffeeScript
},
{
begin: hljs.IDENT_RE + '\\\\' + hljs.IDENT_RE // inst\method
}
];
SUBST.contains = EXPRESSIONS;
var TITLE = hljs.inherit(hljs.TITLE_MODE, {begin: JS_IDENT_RE});
var PARAMS_RE = '(\\(.*\\))?\\s*\\B[-=]>';
var PARAMS = {
className: 'params',
begin: '\\([^\\(]', returnBegin: true,
/* We need another contained nameless mode to not have every nested
pair of parens to be called "params" */
contains: [{
begin: /\(/, end: /\)/,
keywords: KEYWORDS,
contains: ['self'].concat(EXPRESSIONS)
}]
};
return {
aliases: ['moon'],
keywords: KEYWORDS,
illegal: /\/\*/,
contains: EXPRESSIONS.concat([
hljs.COMMENT('--', '$'),
{
className: 'function', // function: -> =>
begin: '^\\s*' + JS_IDENT_RE + '\\s*=\\s*' + PARAMS_RE, end: '[-=]>',
returnBegin: true,
contains: [TITLE, PARAMS]
},
{
begin: /[\(,:=]\s*/, // anonymous function start
relevance: 0,
contains: [
{
className: 'function',
begin: PARAMS_RE, end: '[-=]>',
returnBegin: true,
contains: [PARAMS]
}
]
},
{
className: 'class',
beginKeywords: 'class',
end: '$',
illegal: /[:="\[\]]/,
contains: [
{
beginKeywords: 'extends',
endsWithParent: true,
illegal: /[:="\[\]]/,
contains: [TITLE]
},
TITLE
]
},
{
className: 'name', // table
begin: JS_IDENT_RE + ':', end: ':',
returnBegin: true, returnEnd: true,
relevance: 0
}
])
};
};
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