| 1 | (function (Prism) {
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| 2 |
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| 3 | // https://cuelang.org/docs/references/spec/
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| 4 |
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| 5 | // eslint-disable-next-line regexp/strict
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| 6 | var stringEscape = /\\(?:(?!\2)|\2(?:[^()\r\n]|\([^()]*\)))/.source;
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| 7 | // eslint-disable-next-line regexp/strict
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| 8 | var stringTypes = /"""(?:[^\\"]|"(?!""\2)|<esc>)*"""/.source +
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| 9 | // eslint-disable-next-line regexp/strict
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| 10 | '|' + /'''(?:[^\\']|'(?!''\2)|<esc>)*'''/.source +
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| 11 | // eslint-disable-next-line regexp/strict
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| 12 | '|' + /"(?:[^\\\r\n"]|"(?!\2)|<esc>)*"/.source +
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| 13 | // eslint-disable-next-line regexp/strict
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| 14 | '|' + /'(?:[^\\\r\n']|'(?!\2)|<esc>)*'/.source;
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| 15 | var stringLiteral = '(?:' + stringTypes.replace(/<esc>/g, stringEscape) + ')';
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| 16 |
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| 17 | Prism.languages.cue = {
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| 18 | 'comment': {
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| 19 | pattern: /\/\/.*/,
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| 20 | greedy: true
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| 21 | },
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| 22 | 'string-literal': {
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| 23 | // eslint-disable-next-line regexp/strict
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| 24 | pattern: RegExp(/(^|[^#"'\\])(#*)/.source + stringLiteral + /(?!["'])\2/.source),
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| 25 | lookbehind: true,
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| 26 | greedy: true,
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| 27 | inside: {
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| 28 | // I'm using dirty hack here. We have to know the number hashes at the start of the string somehow,
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| 29 | // but we can't look back. So instead, we will use a lookahead, go to the end of the string, and
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| 30 | // capture the hashes at the end of the string.
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| 31 | 'escape': {
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| 32 | pattern: /(?=[\s\S]*["'](#*)$)\\\1(?:U[a-fA-F0-9]{1,8}|u[a-fA-F0-9]{1,4}|x[a-fA-F0-9]{1,2}|\d{2,3}|[^(])/,
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| 33 | greedy: true,
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| 34 | alias: 'string'
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| 35 | },
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| 36 | 'interpolation': {
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| 37 | pattern: /(?=[\s\S]*["'](#*)$)\\\1\([^()]*\)/,
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| 38 | greedy: true,
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| 39 | inside: {
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| 40 | 'punctuation': /^\\#*\(|\)$/,
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| 41 | 'expression': {
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| 42 | pattern: /[\s\S]+/,
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| 43 | inside: null
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| 44 | }
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| 45 | }
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| 46 | },
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| 47 | 'string': /[\s\S]+/
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| 48 | }
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| 49 | },
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| 50 |
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| 51 | 'keyword': {
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| 52 | pattern: /(^|[^\w$])(?:for|if|import|in|let|null|package)(?![\w$])/,
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| 53 | lookbehind: true
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| 54 | },
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| 55 | 'boolean': {
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| 56 | pattern: /(^|[^\w$])(?:false|true)(?![\w$])/,
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| 57 | lookbehind: true
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| 58 | },
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| 59 | 'builtin': {
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| 60 | pattern: /(^|[^\w$])(?:bool|bytes|float|float(?:32|64)|u?int(?:8|16|32|64|128)?|number|rune|string)(?![\w$])/,
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| 61 | lookbehind: true
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| 62 | },
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| 63 |
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| 64 | 'attribute': {
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| 65 | pattern: /@[\w$]+(?=\s*\()/,
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| 66 | alias: 'function'
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| 67 | },
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| 68 | 'function': {
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| 69 | pattern: /(^|[^\w$])[a-z_$][\w$]*(?=\s*\()/i,
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| 70 | lookbehind: true
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| 71 | },
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| 72 |
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| 73 | 'number': {
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| 74 | pattern: /(^|[^\w$.])(?:0b[01]+(?:_[01]+)*|0o[0-7]+(?:_[0-7]+)*|0[xX][0-9A-Fa-f]+(?:_[0-9A-Fa-f]+)*|(?:\d+(?:_\d+)*(?:\.(?:\d+(?:_\d+)*)?)?|\.\d+(?:_\d+)*)(?:[eE][+-]?\d+(?:_\d+)*)?(?:[KMGTP]i?)?)(?![\w$])/,
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| 75 | lookbehind: true
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| 76 | },
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| 77 |
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| 78 | 'operator': /\.{3}|_\|_|&&?|\|\|?|[=!]~|[<>=!]=?|[+\-*/?]/,
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| 79 | 'punctuation': /[()[\]{},.:]/
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| 80 | };
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| 81 |
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| 82 | Prism.languages.cue['string-literal'].inside.interpolation.inside.expression.inside = Prism.languages.cue;
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| 83 |
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| 84 | }(Prism));
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