xref: /expo/docs/components/base/languages/kotlin.ts (revision bb8f4f99)
1export function installKotlin(Prism: any) {
2  Prism.languages.kotlin = Prism.languages.extend('clike', {
3    keyword: {
4      // The lookbehind prevents wrong highlighting of e.g. kotlin.properties.get
5      pattern: /(^|[^.])\b(?:abstract|actual|annotation|as|break|by|catch|class|companion|const|constructor|continue|crossinline|data|do|dynamic|else|enum|expect|external|final|finally|for|fun|get|if|import|in|infix|init|inline|inner|interface|internal|is|lateinit|noinline|null|object|open|operator|out|override|package|private|protected|public|reified|return|sealed|set|super|suspend|tailrec|this|throw|to|try|typealias|val|var|vararg|when|where|while)\b/,
6      lookbehind: true,
7    },
8    function: [
9      {
10        pattern: /(?:`[^\r\n`]+`|\w+)(?=\s*\()/,
11        greedy: true,
12      },
13      {
14        pattern: /(\.)(?:`[^\r\n`]+`|\w+)(?=\s*\{)/,
15        lookbehind: true,
16        greedy: true,
17      },
18    ],
19    number: /\b(?:0[xX][\da-fA-F]+(?:_[\da-fA-F]+)*|0[bB][01]+(?:_[01]+)*|\d+(?:_\d+)*(?:\.\d+(?:_\d+)*)?(?:[eE][+-]?\d+(?:_\d+)*)?[fFL]?)\b/,
20    operator: /\+[+=]?|-[-=>]?|==?=?|!(?:!|==?)?|[/*%<>]=?|[?:]:?|\.\.|&&|\|\||\b(?:and|inv|or|shl|shr|ushr|xor)\b/,
21  });
22
23  delete Prism.languages.kotlin['class-name'];
24
25  Prism.languages.insertBefore('kotlin', 'string', {
26    'raw-string': {
27      pattern: /("""|''')[\s\S]*?\1/,
28      alias: 'string',
29      // See interpolation below
30    },
31  });
32  Prism.languages.insertBefore('kotlin', 'keyword', {
33    annotation: {
34      pattern: /\B@(?:\w+:)?(?:[A-Z]\w*|\[[^\]]+\])/,
35      alias: 'builtin',
36    },
37  });
38  Prism.languages.insertBefore('kotlin', 'function', {
39    label: {
40      pattern: /\w+@|@\w+/,
41      alias: 'symbol',
42    },
43  });
44
45  var interpolation = [
46    {
47      pattern: /\$\{[^}]+\}/,
48      inside: {
49        delimiter: {
50          pattern: /^\$\{|\}$/,
51          alias: 'variable',
52        },
53        rest: Prism.languages.kotlin,
54      },
55    },
56    {
57      pattern: /\$\w+/,
58      alias: 'variable',
59    },
60  ];
61
62  Prism.languages.kotlin['raw-string'].inside = {
63    interpolation,
64  };
65
66  Prism.languages.kotlin['string'].inside = Prism.languages.kotlin['raw-string'].inside;
67
68  Prism.languages.kt = Prism.languages.kotlin;
69  Prism.languages.kts = Prism.languages.kotlin;
70}
71