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module.exports = function(hljs) {
var RUBY_METHOD_RE = '[a-zA-Z_]\\w*[!?=]?|[-+~]\\@|<<|>>|=~|===?|<=>|[<>]=?|\\*\\*|[-/+%^&*~`|]|\\[\\]=?';
var RUBY_KEYWORDS = {
keyword:
'and then defined module in return redo if BEGIN retry end for self when ' +
'next until do begin unless END rescue else break undef not super class case ' +
'require yield alias while ensure elsif or include attr_reader attr_writer attr_accessor',
literal:
'true false nil'
};
var YARDOCTAG = {
className: 'doctag',
begin: '@[A-Za-z]+'
};
var IRB_OBJECT = {
begin: '#<', end: '>'
};
var COMMENT_MODES = [
hljs.COMMENT(
'#',
'$',
{
contains: [YARDOCTAG]
}
),
hljs.COMMENT(
'^\\=begin',
'^\\=end',
{
contains: [YARDOCTAG],
relevance: 10
}
),
hljs.COMMENT('^__END__', '\\n$')
];
var SUBST = {
className: 'subst',
begin: '#\\{', end: '}',
keywords: RUBY_KEYWORDS
};
var STRING = {
className: 'string',
contains: [hljs.BACKSLASH_ESCAPE, SUBST],
variants: [
{begin: /'/, end: /'/},
{begin: /"/, end: /"/},
{begin: /`/, end: /`/},
{begin: '%[qQwWx]?\\(', end: '\\)'},
{begin: '%[qQwWx]?\\[', end: '\\]'},
{begin: '%[qQwWx]?{', end: '}'},
{begin: '%[qQwWx]?<', end: '>'},
{begin: '%[qQwWx]?/', end: '/'},
{begin: '%[qQwWx]?%', end: '%'},
{begin: '%[qQwWx]?-', end: '-'},
{begin: '%[qQwWx]?\\|', end: '\\|'},
{
// \B in the beginning suppresses recognition of ?-sequences where ?
// is the last character of a preceding identifier, as in: `func?4`
begin: /\B\?(\\\d{1,3}|\\x[A-Fa-f0-9]{1,2}|\\u[A-Fa-f0-9]{4}|\\?\S)\b/
},
{
begin: /<<(-?)\w+$/, end: /^\s*\w+$/,
}
]
};
var PARAMS = {
className: 'params',
begin: '\\(', end: '\\)', endsParent: true,
keywords: RUBY_KEYWORDS
};
var RUBY_DEFAULT_CONTAINS = [
STRING,
IRB_OBJECT,
{
className: 'class',
beginKeywords: 'class module', end: '$|;',
illegal: /=/,
contains: [
hljs.inherit(hljs.TITLE_MODE, {begin: '[A-Za-z_]\\w*(::\\w+)*(\\?|\\!)?'}),
{
begin: '<\\s*',
contains: [{
begin: '(' + hljs.IDENT_RE + '::)?' + hljs.IDENT_RE
}]
}
].concat(COMMENT_MODES)
},
{
className: 'function',
beginKeywords: 'def', end: '$|;',
contains: [
hljs.inherit(hljs.TITLE_MODE, {begin: RUBY_METHOD_RE}),
PARAMS
].concat(COMMENT_MODES)
},
{
// swallow namespace qualifiers before symbols
begin: hljs.IDENT_RE + '::'
},
{
className: 'symbol',
begin: hljs.UNDERSCORE_IDENT_RE + '(\\!|\\?)?:',
relevance: 0
},
{
className: 'symbol',
begin: ':(?!\\s)',
contains: [STRING, {begin: RUBY_METHOD_RE}],
relevance: 0
},
{
className: 'number',
begin: '(\\b0[0-7_]+)|(\\b0x[0-9a-fA-F_]+)|(\\b[1-9][0-9_]*(\\.[0-9_]+)?)|[0_]\\b',
relevance: 0
},
{
begin: '(\\$\\W)|((\\$|\\@\\@?)(\\w+))' // variables
},
{
className: 'params',
begin: /\|/, end: /\|/,
keywords: RUBY_KEYWORDS
},
{ // regexp container
begin: '(' + hljs.RE_STARTERS_RE + '|unless)\\s*',
keywords: 'unless',
contains: [
IRB_OBJECT,
{
className: 'regexp',
contains: [hljs.BACKSLASH_ESCAPE, SUBST],
illegal: /\n/,
variants: [
{begin: '/', end: '/[a-z]*'},
{begin: '%r{', end: '}[a-z]*'},
{begin: '%r\\(', end: '\\)[a-z]*'},
{begin: '%r!', end: '![a-z]*'},
{begin: '%r\\[', end: '\\][a-z]*'}
]
}
].concat(COMMENT_MODES),
relevance: 0
}
].concat(COMMENT_MODES);
SUBST.contains = RUBY_DEFAULT_CONTAINS;
PARAMS.contains = RUBY_DEFAULT_CONTAINS;
var SIMPLE_PROMPT = "[>?]>";
var DEFAULT_PROMPT = "[\\w#]+\\(\\w+\\):\\d+:\\d+>";
var RVM_PROMPT = "(\\w+-)?\\d+\\.\\d+\\.\\d(p\\d+)?[^>]+>";
var IRB_DEFAULT = [
{
begin: /^\s*=>/,
starts: {
end: '$', contains: RUBY_DEFAULT_CONTAINS
}
},
{
className: 'meta',
begin: '^('+SIMPLE_PROMPT+"|"+DEFAULT_PROMPT+'|'+RVM_PROMPT+')',
starts: {
end: '$', contains: RUBY_DEFAULT_CONTAINS
}
}
];
return {
aliases: ['rb', 'gemspec', 'podspec', 'thor', 'irb'],
keywords: RUBY_KEYWORDS,
illegal: /\/\*/,
contains: COMMENT_MODES.concat(IRB_DEFAULT).concat(RUBY_DEFAULT_CONTAINS)
};
};