| 1 | (function (Prism) {
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| 2 | var keywords = [
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| 3 | /\b(?:async|sync|yield)\*/,
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| 4 | /\b(?:abstract|assert|async|await|break|case|catch|class|const|continue|covariant|default|deferred|do|dynamic|else|enum|export|extends|extension|external|factory|final|finally|for|get|hide|if|implements|import|in|interface|library|mixin|new|null|on|operator|part|rethrow|return|set|show|static|super|switch|sync|this|throw|try|typedef|var|void|while|with|yield)\b/
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| 5 | ];
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| 6 |
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| 7 | // Handles named imports, such as http.Client
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| 8 | var packagePrefix = /(^|[^\w.])(?:[a-z]\w*\s*\.\s*)*(?:[A-Z]\w*\s*\.\s*)*/.source;
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| 9 |
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| 10 | // based on the dart naming conventions
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| 11 | var className = {
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| 12 | pattern: RegExp(packagePrefix + /[A-Z](?:[\d_A-Z]*[a-z]\w*)?\b/.source),
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| 13 | lookbehind: true,
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| 14 | inside: {
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| 15 | 'namespace': {
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| 16 | pattern: /^[a-z]\w*(?:\s*\.\s*[a-z]\w*)*(?:\s*\.)?/,
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| 17 | inside: {
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| 18 | 'punctuation': /\./
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| 19 | }
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| 20 | },
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| 21 | }
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| 22 | };
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| 23 |
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| 24 | Prism.languages.dart = Prism.languages.extend('clike', {
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| 25 | 'class-name': [
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| 26 | className,
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| 27 | {
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| 28 | // variables and parameters
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| 29 | // this to support class names (or generic parameters) which do not contain a lower case letter (also works for methods)
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| 30 | pattern: RegExp(packagePrefix + /[A-Z]\w*(?=\s+\w+\s*[;,=()])/.source),
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| 31 | lookbehind: true,
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| 32 | inside: className.inside
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| 33 | }
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| 34 | ],
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| 35 | 'keyword': keywords,
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| 36 | 'operator': /\bis!|\b(?:as|is)\b|\+\+|--|&&|\|\||<<=?|>>=?|~(?:\/=?)?|[+\-*\/%&^|=!<>]=?|\?/
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| 37 | });
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| 38 |
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| 39 | Prism.languages.insertBefore('dart', 'string', {
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| 40 | 'string-literal': {
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| 41 | pattern: /r?(?:("""|''')[\s\S]*?\1|(["'])(?:\\.|(?!\2)[^\\\r\n])*\2(?!\2))/,
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| 42 | greedy: true,
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| 43 | inside: {
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| 44 | 'interpolation': {
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| 45 | pattern: /((?:^|[^\\])(?:\\{2})*)\$(?:\w+|\{(?:[^{}]|\{[^{}]*\})*\})/,
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| 46 | lookbehind: true,
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| 47 | inside: {
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| 48 | 'punctuation': /^\$\{?|\}$/,
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| 49 | 'expression': {
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| 50 | pattern: /[\s\S]+/,
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| 51 | inside: Prism.languages.dart
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| 52 | }
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| 53 | }
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| 54 | },
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| 55 | 'string': /[\s\S]+/
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| 56 | }
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| 57 | },
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| 58 | 'string': undefined
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| 59 | });
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| 60 |
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| 61 | Prism.languages.insertBefore('dart', 'class-name', {
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| 62 | 'metadata': {
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| 63 | pattern: /@\w+/,
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| 64 | alias: 'function'
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| 65 | }
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| 66 | });
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| 67 |
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| 68 | Prism.languages.insertBefore('dart', 'class-name', {
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| 69 | 'generics': {
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| 70 | pattern: /<(?:[\w\s,.&?]|<(?:[\w\s,.&?]|<(?:[\w\s,.&?]|<[\w\s,.&?]*>)*>)*>)*>/,
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| 71 | inside: {
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| 72 | 'class-name': className,
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| 73 | 'keyword': keywords,
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| 74 | 'punctuation': /[<>(),.:]/,
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| 75 | 'operator': /[?&|]/
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| 76 | }
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| 77 | },
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| 78 | });
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| 79 | }(Prism));
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