| 1 | 'use strict'
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| 2 |
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| 3 | module.exports = dhall
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| 4 | dhall.displayName = 'dhall'
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| 5 | dhall.aliases = []
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| 6 | function dhall(Prism) {
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| 7 | // ABNF grammar:
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| 8 | // https://github.com/dhall-lang/dhall-lang/blob/master/standard/dhall.abnf
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| 9 | Prism.languages.dhall = {
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| 10 | // Multi-line comments can be nested. E.g. {- foo {- bar -} -}
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| 11 | // The multi-line pattern is essentially this:
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| 12 | // \{-(?:[^-{]|-(?!\})|\{(?!-)|<SELF>)*-\}
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| 13 | comment:
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| 14 | /--.*|\{-(?:[^-{]|-(?!\})|\{(?!-)|\{-(?:[^-{]|-(?!\})|\{(?!-))*-\})*-\}/,
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| 15 | string: {
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| 16 | pattern: /"(?:[^"\\]|\\.)*"|''(?:[^']|'(?!')|'''|''\$\{)*''(?!'|\$)/,
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| 17 | greedy: true,
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| 18 | inside: {
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| 19 | interpolation: {
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| 20 | pattern: /\$\{[^{}]*\}/,
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| 21 | inside: {
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| 22 | expression: {
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| 23 | pattern: /(^\$\{)[\s\S]+(?=\}$)/,
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| 24 | lookbehind: true,
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| 25 | alias: 'language-dhall',
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| 26 | inside: null // see blow
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| 27 | },
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| 28 | punctuation: /\$\{|\}/
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| 29 | }
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| 30 | }
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| 31 | }
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| 32 | },
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| 33 | label: {
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| 34 | pattern: /`[^`]*`/,
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| 35 | greedy: true
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| 36 | },
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| 37 | url: {
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| 38 | // https://github.com/dhall-lang/dhall-lang/blob/5fde8ef1bead6fb4e999d3c1ffe7044cd019d63a/standard/dhall.abnf#L596
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| 39 | pattern:
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| 40 | /\bhttps?:\/\/[\w.:%!$&'*+;=@~-]+(?:\/[\w.:%!$&'*+;=@~-]*)*(?:\?[/?\w.:%!$&'*+;=@~-]*)?/,
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| 41 | greedy: true
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| 42 | },
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| 43 | env: {
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| 44 | // https://github.com/dhall-lang/dhall-lang/blob/5fde8ef1bead6fb4e999d3c1ffe7044cd019d63a/standard/dhall.abnf#L661
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| 45 | pattern: /\benv:(?:(?!\d)\w+|"(?:[^"\\=]|\\.)*")/,
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| 46 | greedy: true,
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| 47 | inside: {
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| 48 | function: /^env/,
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| 49 | operator: /^:/,
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| 50 | variable: /[\s\S]+/
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| 51 | }
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| 52 | },
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| 53 | hash: {
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| 54 | // https://github.com/dhall-lang/dhall-lang/blob/5fde8ef1bead6fb4e999d3c1ffe7044cd019d63a/standard/dhall.abnf#L725
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| 55 | pattern: /\bsha256:[\da-fA-F]{64}\b/,
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| 56 | inside: {
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| 57 | function: /sha256/,
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| 58 | operator: /:/,
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| 59 | number: /[\da-fA-F]{64}/
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| 60 | }
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| 61 | },
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| 62 | // https://github.com/dhall-lang/dhall-lang/blob/5fde8ef1bead6fb4e999d3c1ffe7044cd019d63a/standard/dhall.abnf#L359
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| 63 | keyword:
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| 64 | /\b(?:as|assert|else|forall|if|in|let|merge|missing|then|toMap|using|with)\b|\u2200/,
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| 65 | builtin: /\b(?:None|Some)\b/,
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| 66 | boolean: /\b(?:False|True)\b/,
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| 67 | number:
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| 68 | /\bNaN\b|-?\bInfinity\b|[+-]?\b(?:0x[\da-fA-F]+|\d+(?:\.\d+)?(?:e[+-]?\d+)?)\b/,
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| 69 | operator:
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| 70 | /\/\\|\/\/\\\\|&&|\|\||===|[!=]=|\/\/|->|\+\+|::|[+*#@=:?<>|\\\u2227\u2a53\u2261\u2afd\u03bb\u2192]/,
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| 71 | punctuation: /\.\.|[{}\[\](),./]/,
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| 72 | // we'll just assume that every capital word left is a type name
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| 73 | 'class-name': /\b[A-Z]\w*\b/
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| 74 | }
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| 75 | Prism.languages.dhall.string.inside.interpolation.inside.expression.inside =
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| 76 | Prism.languages.dhall
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| 77 | }
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