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64 lines
1.8 KiB
JavaScript
64 lines
1.8 KiB
JavaScript
'use strict'
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module.exports = ocaml
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ocaml.displayName = 'ocaml'
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ocaml.aliases = []
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function ocaml(Prism) {
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// https://ocaml.org/manual/lex.html
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Prism.languages.ocaml = {
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comment: {
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pattern: /\(\*[\s\S]*?\*\)/,
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greedy: true
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},
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char: {
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pattern: /'(?:[^\\\r\n']|\\(?:.|[ox]?[0-9a-f]{1,3}))'/i,
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greedy: true
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},
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string: [
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{
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pattern: /"(?:\\(?:[\s\S]|\r\n)|[^\\\r\n"])*"/,
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greedy: true
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},
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{
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pattern: /\{([a-z_]*)\|[\s\S]*?\|\1\}/,
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greedy: true
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}
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],
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number: [
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// binary and octal
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/\b(?:0b[01][01_]*|0o[0-7][0-7_]*)\b/i, // hexadecimal
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/\b0x[a-f0-9][a-f0-9_]*(?:\.[a-f0-9_]*)?(?:p[+-]?\d[\d_]*)?(?!\w)/i, // decimal
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/\b\d[\d_]*(?:\.[\d_]*)?(?:e[+-]?\d[\d_]*)?(?!\w)/i
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],
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directive: {
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pattern: /\B#\w+/,
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alias: 'property'
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},
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label: {
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pattern: /\B~\w+/,
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alias: 'property'
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},
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'type-variable': {
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pattern: /\B'\w+/,
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alias: 'function'
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},
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variant: {
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pattern: /`\w+/,
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alias: 'symbol'
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},
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// For the list of keywords and operators,
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// see: http://caml.inria.fr/pub/docs/manual-ocaml/lex.html#sec84
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keyword:
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/\b(?:as|assert|begin|class|constraint|do|done|downto|else|end|exception|external|for|fun|function|functor|if|in|include|inherit|initializer|lazy|let|match|method|module|mutable|new|nonrec|object|of|open|private|rec|sig|struct|then|to|try|type|val|value|virtual|when|where|while|with)\b/,
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boolean: /\b(?:false|true)\b/,
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'operator-like-punctuation': {
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pattern: /\[[<>|]|[>|]\]|\{<|>\}/,
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alias: 'punctuation'
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},
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// Custom operators are allowed
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operator:
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/\.[.~]|:[=>]|[=<>@^|&+\-*\/$%!?~][!$%&*+\-.\/:<=>?@^|~]*|\b(?:and|asr|land|lor|lsl|lsr|lxor|mod|or)\b/,
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punctuation: /;;|::|[(){}\[\].,:;#]|\b_\b/
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}
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}
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