154 lines
4.0 KiB
JavaScript
154 lines
4.0 KiB
JavaScript
/*
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Language: CoffeeScript
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Author: Dmytrii Nagirniak <dnagir@gmail.com>
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Contributors: Oleg Efimov <efimovov@gmail.com>, Cédric Néhémie <cedric.nehemie@gmail.com>
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Description: CoffeeScript is a programming language that transcompiles to JavaScript. For info about language see http://coffeescript.org/
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Category: common, scripting
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*/
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function(hljs) {
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var KEYWORDS = {
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keyword:
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// JS keywords
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'in if for while finally new do return else break catch instanceof throw try this ' +
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'switch continue typeof delete debugger super yield import export from as default await ' +
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// Coffee keywords
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'then unless until loop of by when and or is isnt not',
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literal:
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// JS literals
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'true false null undefined ' +
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// Coffee literals
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'yes no on off',
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built_in:
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'npm require console print module global window document'
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};
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var JS_IDENT_RE = '[A-Za-z$_][0-9A-Za-z$_]*';
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var SUBST = {
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className: 'subst',
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begin: /#\{/, end: /}/,
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keywords: KEYWORDS
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};
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var EXPRESSIONS = [
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hljs.BINARY_NUMBER_MODE,
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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
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{
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className: 'string',
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variants: [
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{
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begin: /'''/, end: /'''/,
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contains: [hljs.BACKSLASH_ESCAPE]
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},
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{
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begin: /'/, end: /'/,
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contains: [hljs.BACKSLASH_ESCAPE]
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},
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{
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begin: /"""/, end: /"""/,
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contains: [hljs.BACKSLASH_ESCAPE, SUBST]
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},
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{
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begin: /"/, end: /"/,
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contains: [hljs.BACKSLASH_ESCAPE, SUBST]
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}
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]
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},
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{
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className: 'regexp',
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variants: [
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{
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begin: '///', end: '///',
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contains: [SUBST, hljs.HASH_COMMENT_MODE]
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},
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{
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begin: '//[gim]*',
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relevance: 0
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},
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{
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// regex can't start with space to parse x / 2 / 3 as two divisions
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// regex can't start with *, and it supports an "illegal" in the main mode
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begin: /\/(?![ *])(\\\/|.)*?\/[gim]*(?=\W|$)/
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}
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]
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},
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{
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begin: '@' + JS_IDENT_RE // relevance booster
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},
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{
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subLanguage: 'javascript',
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excludeBegin: true, excludeEnd: true,
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variants: [
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{
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begin: '```', end: '```',
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},
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{
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begin: '`', end: '`',
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}
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]
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}
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];
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SUBST.contains = EXPRESSIONS;
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var TITLE = hljs.inherit(hljs.TITLE_MODE, {begin: JS_IDENT_RE});
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var PARAMS_RE = '(\\(.*\\))?\\s*\\B[-=]>';
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var PARAMS = {
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className: 'params',
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begin: '\\([^\\(]', returnBegin: true,
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/* We need another contained nameless mode to not have every nested
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pair of parens to be called "params" */
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contains: [{
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begin: /\(/, end: /\)/,
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keywords: KEYWORDS,
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contains: ['self'].concat(EXPRESSIONS)
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}]
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};
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return {
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aliases: ['coffee', 'cson', 'iced'],
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keywords: KEYWORDS,
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illegal: /\/\*/,
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contains: EXPRESSIONS.concat([
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hljs.COMMENT('###', '###'),
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hljs.HASH_COMMENT_MODE,
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{
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className: 'function',
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begin: '^\\s*' + JS_IDENT_RE + '\\s*=\\s*' + PARAMS_RE, end: '[-=]>',
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returnBegin: true,
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contains: [TITLE, PARAMS]
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},
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{
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// anonymous function start
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begin: /[:\(,=]\s*/,
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relevance: 0,
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contains: [
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{
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className: 'function',
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begin: PARAMS_RE, end: '[-=]>',
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returnBegin: true,
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contains: [PARAMS]
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}
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]
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},
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{
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className: 'class',
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beginKeywords: 'class',
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end: '$',
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illegal: /[:="\[\]]/,
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contains: [
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{
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beginKeywords: 'extends',
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endsWithParent: true,
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illegal: /[:="\[\]]/,
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contains: [TITLE]
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},
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TITLE
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]
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},
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{
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begin: JS_IDENT_RE + ':', end: ':',
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returnBegin: true, returnEnd: true,
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relevance: 0
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}
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])
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};
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}
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