| 1 | // https://ocaml.org/manual/lex.html
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| 2 |
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| 3 | Prism.languages.ocaml = {
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| 4 | 'comment': {
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| 5 | pattern: /\(\*[\s\S]*?\*\)/,
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| 6 | greedy: true
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| 7 | },
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| 8 | 'char': {
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| 9 | pattern: /'(?:[^\\\r\n']|\\(?:.|[ox]?[0-9a-f]{1,3}))'/i,
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| 10 | greedy: true
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| 11 | },
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| 12 | 'string': [
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| 13 | {
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| 14 | pattern: /"(?:\\(?:[\s\S]|\r\n)|[^\\\r\n"])*"/,
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| 15 | greedy: true
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| 16 | },
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| 17 | {
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| 18 | pattern: /\{([a-z_]*)\|[\s\S]*?\|\1\}/,
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| 19 | greedy: true
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| 20 | }
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| 21 | ],
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| 22 | 'number': [
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| 23 | // binary and octal
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| 24 | /\b(?:0b[01][01_]*|0o[0-7][0-7_]*)\b/i,
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| 25 | // hexadecimal
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| 26 | /\b0x[a-f0-9][a-f0-9_]*(?:\.[a-f0-9_]*)?(?:p[+-]?\d[\d_]*)?(?!\w)/i,
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| 27 | // decimal
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| 28 | /\b\d[\d_]*(?:\.[\d_]*)?(?:e[+-]?\d[\d_]*)?(?!\w)/i,
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| 29 | ],
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| 30 | 'directive': {
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| 31 | pattern: /\B#\w+/,
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| 32 | alias: 'property'
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| 33 | },
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| 34 | 'label': {
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| 35 | pattern: /\B~\w+/,
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| 36 | alias: 'property'
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| 37 | },
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| 38 | 'type-variable': {
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| 39 | pattern: /\B'\w+/,
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| 40 | alias: 'function'
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| 41 | },
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| 42 | 'variant': {
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| 43 | pattern: /`\w+/,
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| 44 | alias: 'symbol'
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| 45 | },
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| 46 | // For the list of keywords and operators,
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| 47 | // see: http://caml.inria.fr/pub/docs/manual-ocaml/lex.html#sec84
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| 48 | 'keyword': /\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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| 49 | 'boolean': /\b(?:false|true)\b/,
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| 50 |
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| 51 | 'operator-like-punctuation': {
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| 52 | pattern: /\[[<>|]|[>|]\]|\{<|>\}/,
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| 53 | alias: 'punctuation'
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| 54 | },
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| 55 | // Custom operators are allowed
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| 56 | 'operator': /\.[.~]|:[=>]|[=<>@^|&+\-*\/$%!?~][!$%&*+\-.\/:<=>?@^|~]*|\b(?:and|asr|land|lor|lsl|lsr|lxor|mod|or)\b/,
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| 57 | 'punctuation': /;;|::|[(){}\[\].,:;#]|\b_\b/
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| 58 | };
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