2023-10-03 11:14:36 +08:00
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Prism.languages.prolog = {
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// Syntax depends on the implementation
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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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// Depending on the implementation, strings may allow escaped newlines and quote-escape
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'string': {
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pattern: /(["'])(?:\1\1|\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1(?!\1)/,
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greedy: true
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},
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'builtin': /\b(?:fx|fy|xf[xy]?|yfx?)\b/,
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// FIXME: Should we list all null-ary predicates (not followed by a parenthesis) like halt, trace, etc.?
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'function': /\b[a-z]\w*(?:(?=\()|\/\d+)/,
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'number': /\b\d+(?:\.\d*)?/,
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// Custom operators are allowed
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'operator': /[:\\=><\-?*@\/;+^|!$.]+|\b(?:is|mod|not|xor)\b/,
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'punctuation': /[(){}\[\],]/
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};
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