200 lines
3.9 KiB
JavaScript
200 lines
3.9 KiB
JavaScript
/*
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Language: Dart
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Requires: markdown.js
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Author: Maxim Dikun <dikmax@gmail.com>
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Description: Dart a modern, object-oriented language developed by Google. For more information see https://www.dartlang.org/
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Website: https://dart.dev
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Category: scripting
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*/
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/** @type LanguageFn */
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function dart(hljs) {
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const SUBST = {
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className: 'subst',
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variants: [{
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begin: '\\$[A-Za-z0-9_]+'
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}]
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};
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const BRACED_SUBST = {
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className: 'subst',
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variants: [{
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begin: /\$\{/,
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end: /\}/
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}],
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keywords: 'true false null this is new super'
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};
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const STRING = {
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className: 'string',
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variants: [
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{
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begin: 'r\'\'\'',
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end: '\'\'\''
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},
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{
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begin: 'r"""',
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end: '"""'
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},
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{
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begin: 'r\'',
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end: '\'',
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illegal: '\\n'
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},
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{
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begin: 'r"',
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end: '"',
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illegal: '\\n'
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},
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{
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begin: '\'\'\'',
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end: '\'\'\'',
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contains: [
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hljs.BACKSLASH_ESCAPE,
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SUBST,
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BRACED_SUBST
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]
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},
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{
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begin: '"""',
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end: '"""',
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contains: [
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hljs.BACKSLASH_ESCAPE,
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SUBST,
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BRACED_SUBST
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]
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},
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{
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begin: '\'',
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end: '\'',
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illegal: '\\n',
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contains: [
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hljs.BACKSLASH_ESCAPE,
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SUBST,
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BRACED_SUBST
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]
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},
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{
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begin: '"',
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end: '"',
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illegal: '\\n',
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contains: [
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hljs.BACKSLASH_ESCAPE,
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SUBST,
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BRACED_SUBST
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]
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}
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]
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};
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BRACED_SUBST.contains = [
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hljs.C_NUMBER_MODE,
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STRING
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];
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const BUILT_IN_TYPES = [
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// dart:core
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'Comparable',
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'DateTime',
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'Duration',
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'Function',
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'Iterable',
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'Iterator',
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'List',
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'Map',
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'Match',
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'Object',
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'Pattern',
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'RegExp',
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'Set',
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'Stopwatch',
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'String',
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'StringBuffer',
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'StringSink',
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'Symbol',
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'Type',
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'Uri',
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'bool',
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'double',
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'int',
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'num',
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// dart:html
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'Element',
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'ElementList'
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];
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const NULLABLE_BUILT_IN_TYPES = BUILT_IN_TYPES.map((e) => `${e}?`);
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const KEYWORDS = {
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keyword: 'abstract as assert async await break case catch class const continue covariant default deferred do ' +
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'dynamic else enum export extends extension external factory false final finally for Function get hide if ' +
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'implements import in inferface is late library mixin new null on operator part required rethrow return set ' +
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'show static super switch sync this throw true try typedef var void while with yield',
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built_in:
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BUILT_IN_TYPES
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.concat(NULLABLE_BUILT_IN_TYPES)
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.concat([
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// dart:core
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'Never',
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'Null',
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'dynamic',
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'print',
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// dart:html
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'document',
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'querySelector',
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'querySelectorAll',
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'window'
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]),
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$pattern: /[A-Za-z][A-Za-z0-9_]*\??/
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};
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return {
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name: 'Dart',
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keywords: KEYWORDS,
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contains: [
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STRING,
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hljs.COMMENT(
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/\/\*\*(?!\/)/,
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/\*\//,
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{
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subLanguage: 'markdown',
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relevance: 0
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}
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),
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hljs.COMMENT(
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/\/{3,} ?/,
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/$/, {
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contains: [{
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subLanguage: 'markdown',
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begin: '.',
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end: '$',
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relevance: 0
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}]
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}
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),
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hljs.C_LINE_COMMENT_MODE,
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hljs.C_BLOCK_COMMENT_MODE,
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{
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className: 'class',
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beginKeywords: 'class interface',
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end: /\{/,
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excludeEnd: true,
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contains: [
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{
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beginKeywords: 'extends implements'
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},
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hljs.UNDERSCORE_TITLE_MODE
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]
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},
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hljs.C_NUMBER_MODE,
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{
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className: 'meta',
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begin: '@[A-Za-z]+'
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},
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{
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begin: '=>' // No markup, just a relevance booster
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}
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]
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};
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}
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module.exports = dart;
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