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JordanShJordanSh
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Added support for Rego (#2624)
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‎components.js

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‎components.json

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"title": "Regex",
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"owner": "RunDevelopment"
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},
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"rego": {
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"title": "Rego",
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"owner": "JordanSh"
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},
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"renpy": {
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"title": "Ren'py",
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"alias": "rpy",

‎components/prism-rego.js

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// https://www.openpolicyagent.org/docs/latest/policy-reference/
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Prism.languages.rego = {
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'comment': /#.*/,
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'property': {
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pattern: /(^|[^\\.])(?:"(?:\\.|[^\\"\r\n])*"|`[^`]*`|\b[a-z_]\w*\b)(?=\s*:(?!=))/i,
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lookbehind: true,
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greedy: true
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},
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'string': {
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pattern: /(^|[^\\])"(?:\\.|[^\\"\r\n])*"|`[^`]*`/,
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lookbehind: true,
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greedy: true
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},
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'keyword': /\b(?:as|default|else|import|package|not|null|some|with|set(?=\s*\())\b/,
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'boolean': /\b(?:true|false)\b/,
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'function': {
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pattern: /\b[a-z_]\w*\b(?:\s*\.\s*\b[a-z_]\w*\b)*(?=\s*\()/i,
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inside: {
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'namespace': /\b\w+\b(?=\s*\.)/,
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'punctuation': /\./
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}
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},
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'number': /-?\b\d+(?:\.\d+)?(?:e[+-]?\d+)?\b/i,
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'operator': /[-+*/%|&]|[<>:=]=?|!=|\b_\b/,
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'punctuation': /[,;.\[\]{}()]/
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};

‎components/prism-rego.min.js

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‎examples/prism-rego.html

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<h2>Full example</h2>
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<pre><code># Role-based Access Control (RBAC)
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# By default, deny requests.
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default allow = false
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# Allow admins to do anything.
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allow {
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user_is_admin
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}
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# Allow the action if the user is granted permission to perform the action.
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allow {
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# Find grants for the user.
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some grant
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user_is_granted[grant]
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# Check if the grant permits the action.
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input.action == grant.action
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input.type == grant.type
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}
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# user_is_admin is true if...
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user_is_admin {
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# for some `i`...
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some i
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# "admin" is the `i`-th element in the user->role mappings for the identified user.
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data.user_roles[input.user][i] == "admin"
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}
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# user_is_granted is a set of grants for the user identified in the request.
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# The `grant` will be contained if the set `user_is_granted` for every...
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user_is_granted[grant] {
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some i, j
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# `role` assigned an element of the user_roles for this user...
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role := data.user_roles[input.user][i]
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# `grant` assigned a single grant from the grants list for 'role'...
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grant := data.role_grants[role][j]
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}
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</code></pre>

‎tests/languages/rego/boolean_feature.test

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true
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false
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----------------------------------------------------
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[
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["boolean", "true"],
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["boolean", "false"]
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]
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----------------------------------------------------
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Checks for booleans.

‎tests/languages/rego/comment_feature.test

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#
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# foobar
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----------------------------------------------------
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[
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["comment", "#"],
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["comment", "# foobar"]
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]
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----------------------------------------------------
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Checks for comments.

‎tests/languages/rego/function_feature.test

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object.remove({"a": {"b": {"c": 2}}, "x": 123}, {"a": 1}) == {"x": 123}
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output := is_set(x)
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output := intersection(set[set])
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output := regex.match(pattern, value)
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output := glob.match("*.github.com", [], "api.github.com")
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output := bits.rsh(x, s)
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output := io.jwt.verify_ps384(string, certificate)
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io.jwt.encode_sign({
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"typ": "JWT",
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"alg": "HS256"},
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{}, {
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"kty": "oct",
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"k": "AyM1SysPpbyDfgZld3umj1qzKObwVMkoqQ-EstJQLr_T-1qS0gZH75aKtMN3Yj0iPS4hcgUuTwjAzZr1Z9CAow"
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})
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----------------------------------------------------
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[
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["function", [
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["namespace", "object"],
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["punctuation", "."],
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"remove"
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]],
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["punctuation", "("],
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["punctuation", "{"],
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["property", "\"a\""],
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["operator", ":"],
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["punctuation", "{"],
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["property", "\"b\""],
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["operator", ":"],
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["punctuation", "{"],
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["property", "\"c\""],
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["operator", ":"],
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["number", "2"],
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["punctuation", "}"],
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["punctuation", "}"],
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["punctuation", ","],
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["property", "\"x\""],
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["operator", ":"],
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["number", "123"],
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["punctuation", "}"],
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["punctuation", ","],
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["punctuation", "{"],
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["property", "\"a\""],
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["operator", ":"],
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["number", "1"],
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["punctuation", "}"],
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["punctuation", ")"],
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["operator", "=="],
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["punctuation", "{"],
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["property", "\"x\""],
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["operator", ":"],
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["number", "123"],
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["punctuation", "}"],
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"\r\n\r\noutput ",
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["operator", ":="],
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["function", ["is_set"]],
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["punctuation", "("],
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"x",
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["punctuation", ")"],
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"\r\noutput ",
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["operator", ":="],
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["function", ["intersection"]],
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["punctuation", "("],
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"set",
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["punctuation", "["],
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"set",
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["punctuation", "]"],
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["punctuation", ")"],
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"\r\noutput ",
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["operator", ":="],
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["function", [
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["namespace", "regex"],
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["punctuation", "."],
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"match"
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]],
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["punctuation", "("],
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"pattern",
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["punctuation", ","],
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" value",
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["punctuation", ")"],
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"\r\noutput ",
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["operator", ":="],
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["function", [
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["namespace", "glob"],
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["punctuation", "."],
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"match"
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]],
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["punctuation", "("],
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["string", "\"*.github.com\""],
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["punctuation", ","],
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["punctuation", "["],
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["punctuation", "]"],
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["punctuation", ","],
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["string", "\"api.github.com\""],
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["punctuation", ")"],
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"\r\noutput ",
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["operator", ":="],
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["function", [
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["namespace", "bits"],
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["punctuation", "."],
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"rsh"
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]],
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["punctuation", "("],
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"x",
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["punctuation", ","],
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" s",
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["punctuation", ")"],
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"\r\noutput ",
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["operator", ":="],
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["function", [
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["namespace", "io"],
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["punctuation", "."],
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["namespace", "jwt"],
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["punctuation", "."],
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"verify_ps384"
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]],
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["punctuation", "("],
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"string",
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["punctuation", ","],
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" certificate",
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["punctuation", ")"],
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["function", [
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["namespace", "io"],
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["punctuation", "."],
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["namespace", "jwt"],
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["punctuation", "."],
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"encode_sign"
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]],
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["punctuation", "("],
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["punctuation", "{"],
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["property", "\"typ\""],
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["operator", ":"],
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["string", "\"JWT\""],
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["punctuation", ","],
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["property", "\"alg\""],
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["operator", ":"],
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["string", "\"HS256\""],
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["punctuation", "}"],
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["punctuation", ","],
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["punctuation", "{"],
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["punctuation", "}"],
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["punctuation", ","],
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["punctuation", "{"],
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["property", "\"kty\""],
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["operator", ":"],
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["string", "\"oct\""],
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["punctuation", ","],
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["property", "\"k\""],
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["operator", ":"],
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["string", "\"AyM1SysPpbyDfgZld3umj1qzKObwVMkoqQ-EstJQLr_T-1qS0gZH75aKtMN3Yj0iPS4hcgUuTwjAzZr1Z9CAow\""],
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["punctuation", "}"],
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["punctuation", ")"]
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]
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----------------------------------------------------
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Checks for all functions.

‎tests/languages/rego/keyword_feature.test

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as
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default
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else
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import
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package
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not
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null
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some
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with
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set()
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----------------------------------------------------
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[
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["keyword", "as"],
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["keyword", "default"],
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["keyword", "else"],
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["keyword", "import"],
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["keyword", "package"],
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["keyword", "not"],
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["keyword", "null"],
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["keyword", "some"],
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["keyword", "with"],
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["keyword", "set"], ["punctuation", "("], ["punctuation", ")"]
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]
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----------------------------------------------------
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Checks for all keywords.

‎tests/languages/rego/number_feature.test

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0
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123
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3.14159
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5.0e8
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0.2E+2
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47e-5
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-1.23
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-2.34E33
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-4.34E-33
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----------------------------------------------------
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[
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["number", "0"],
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["number", "123"],
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["number", "3.14159"],
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["number", "5.0e8"],
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["number", "0.2E+2"],
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["number", "47e-5"],
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["number", "-1.23"],
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["number", "-2.34E33"],
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["number", "-4.34E-33"]
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]

‎tests/languages/rego/operator_feature.test

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:= = :
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== != < <= > >=
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+ - / * %
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& |
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_
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----------------------------------------------------
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[
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["operator", ":="],
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["operator", "="],
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["operator", ":"],
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["operator", "=="],
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["operator", "!="],
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["operator", "<"],
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["operator", "<="],
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["operator", ">"],
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["operator", ">="],
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["operator", "+"],
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["operator", "-"],
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["operator", "/"],
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["operator", "*"],
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["operator", "%"],
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["operator", "&"],
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["operator", "|"],
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["operator", "_"]
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]
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----------------------------------------------------
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Checks for operators.

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