| [d24f17c] | 1 | // Thanks to: https://github.com/prometheus-community/monaco-promql/blob/master/src/promql/promql.ts
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| 2 | // As well as: https://kausal.co/blog/slate-prism-add-new-syntax-promql/
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| 3 |
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| 4 | (function (Prism) {
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| 5 | // PromQL Aggregation Operators
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| 6 | // (https://prometheus.io/docs/prometheus/latest/querying/operators/#aggregation-operators)
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| 7 | var aggregations = [
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| 8 | 'sum',
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| 9 | 'min',
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| 10 | 'max',
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| 11 | 'avg',
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| 12 | 'group',
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| 13 | 'stddev',
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| 14 | 'stdvar',
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| 15 | 'count',
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| 16 | 'count_values',
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| 17 | 'bottomk',
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| 18 | 'topk',
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| 19 | 'quantile'
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| 20 | ];
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| 21 |
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| 22 | // PromQL vector matching + the by and without clauses
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| 23 | // (https://prometheus.io/docs/prometheus/latest/querying/operators/#vector-matching)
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| 24 | var vectorMatching = [
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| 25 | 'on',
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| 26 | 'ignoring',
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| 27 | 'group_right',
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| 28 | 'group_left',
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| 29 | 'by',
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| 30 | 'without',
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| 31 | ];
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| 32 |
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| 33 | // PromQL offset modifier
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| 34 | // (https://prometheus.io/docs/prometheus/latest/querying/basics/#offset-modifier)
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| 35 | var offsetModifier = ['offset'];
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| 36 |
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| 37 | var keywords = aggregations.concat(vectorMatching, offsetModifier);
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| 38 |
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| 39 | Prism.languages.promql = {
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| 40 | 'comment': {
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| 41 | pattern: /(^[ \t]*)#.*/m,
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| 42 | lookbehind: true
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| 43 | },
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| 44 | 'vector-match': {
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| 45 | // Match the comma-separated label lists inside vector matching:
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| 46 | pattern: new RegExp('((?:' + vectorMatching.join('|') + ')\\s*)\\([^)]*\\)'),
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| 47 | lookbehind: true,
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| 48 | inside: {
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| 49 | 'label-key': {
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| 50 | pattern: /\b[^,]+\b/,
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| 51 | alias: 'attr-name',
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| 52 | },
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| 53 | 'punctuation': /[(),]/
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| 54 | },
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| 55 | },
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| 56 | 'context-labels': {
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| 57 | pattern: /\{[^{}]*\}/,
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| 58 | inside: {
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| 59 | 'label-key': {
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| 60 | pattern: /\b[a-z_]\w*(?=\s*(?:=|![=~]))/,
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| 61 | alias: 'attr-name',
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| 62 | },
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| 63 | 'label-value': {
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| 64 | pattern: /(["'`])(?:\\[\s\S]|(?!\1)[^\\])*\1/,
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| 65 | greedy: true,
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| 66 | alias: 'attr-value',
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| 67 | },
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| 68 | 'punctuation': /\{|\}|=~?|![=~]|,/,
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| 69 | },
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| 70 | },
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| 71 | 'context-range': [
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| 72 | {
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| 73 | pattern: /\[[\w\s:]+\]/, // [1m]
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| 74 | inside: {
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| 75 | 'punctuation': /\[|\]|:/,
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| 76 | 'range-duration': {
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| 77 | pattern: /\b(?:\d+(?:[smhdwy]|ms))+\b/i,
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| 78 | alias: 'number',
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| 79 | },
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| 80 | },
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| 81 | },
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| 82 | {
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| 83 | pattern: /(\boffset\s+)\w+/, // offset 1m
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| 84 | lookbehind: true,
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| 85 | inside: {
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| 86 | 'range-duration': {
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| 87 | pattern: /\b(?:\d+(?:[smhdwy]|ms))+\b/i,
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| 88 | alias: 'number',
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| 89 | },
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| 90 | },
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| 91 | },
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| 92 | ],
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| 93 | 'keyword': new RegExp('\\b(?:' + keywords.join('|') + ')\\b', 'i'),
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| 94 | 'function': /\b[a-z_]\w*(?=\s*\()/i,
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| 95 | 'number': /[-+]?(?:(?:\b\d+(?:\.\d+)?|\B\.\d+)(?:e[-+]?\d+)?\b|\b(?:0x[0-9a-f]+|nan|inf)\b)/i,
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| 96 | 'operator': /[\^*/%+-]|==|!=|<=|<|>=|>|\b(?:and|or|unless)\b/i,
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| 97 | 'punctuation': /[{};()`,.[\]]/,
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| 98 | };
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| 99 | }(Prism));
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