From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/librustdoc/html/static/js/externs.js | 142 +++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 src/librustdoc/html/static/js/externs.js

(limited to 'src/librustdoc/html/static/js/externs.js')

diff --git a/src/librustdoc/html/static/js/externs.js b/src/librustdoc/html/static/js/externs.js
new file mode 100644
index 000000000..ecbe15a59
--- /dev/null
+++ b/src/librustdoc/html/static/js/externs.js
@@ -0,0 +1,142 @@
+// This file contains type definitions that are processed by the Closure Compiler but are
+// not put into the JavaScript we include as part of the documentation. It is used for
+// type checking. See README.md in this directory for more info.
+
+/* eslint-disable */
+let searchState;
+function initSearch(searchIndex){}
+
+/**
+ * @typedef {{
+ *     name: string,
+ *     fullPath: Array<string>,
+ *     pathWithoutLast: Array<string>,
+ *     pathLast: string,
+ *     generics: Array<QueryElement>,
+ * }}
+ */
+let QueryElement;
+
+/**
+ * @typedef {{
+ *      pos: number,
+ *      totalElems: number,
+ *      typeFilter: (null|string),
+ *      userQuery: string,
+ * }}
+ */
+let ParserState;
+
+/**
+ * @typedef {{
+ *     original: string,
+ *     userQuery: string,
+ *     typeFilter: number,
+ *     elems: Array<QueryElement>,
+ *     args: Array<QueryElement>,
+ *     returned: Array<QueryElement>,
+ *     foundElems: number,
+ * }}
+ */
+let ParsedQuery;
+
+/**
+ * @typedef {{
+ *    crate: string,
+ *    desc: string,
+ *    id: number,
+ *    name: string,
+ *    normalizedName: string,
+ *    parent: (Object|null|undefined),
+ *    path: string,
+ *    ty: (Number|null|number),
+ *    type: (Array<?>|null)
+ * }}
+ */
+let Row;
+
+/**
+ * @typedef {{
+ *    in_args: Array<Object>,
+ *    returned: Array<Object>,
+ *    others: Array<Object>,
+ *    query: ParsedQuery,
+ * }}
+ */
+let ResultsTable;
+
+/**
+ * @typedef {{
+ *     desc: string,
+ *     displayPath: string,
+ *     fullPath: string,
+ *     href: string,
+ *     id: number,
+ *     lev: number,
+ *     name: string,
+ *     normalizedName: string,
+ *     parent: (Object|undefined),
+ *     path: string,
+ *     ty: number,
+ * }}
+ */
+let Results;
+
+/**
+ * A pair of [inputs, outputs], or 0 for null. This is stored in the search index.
+ * The JavaScript deserializes this into FunctionSearchType.
+ *
+ * Numeric IDs are *ONE-indexed* into the paths array (`p`). Zero is used as a sentinel for `null`
+ * because `null` is four bytes while `0` is one byte.
+ *
+ * An input or output can be encoded as just a number if there is only one of them, AND
+ * it has no generics. The no generics rule exists to avoid ambiguity: imagine if you had
+ * a function with a single output, and that output had a single generic:
+ *
+ *     fn something() -> Result<usize, usize>
+ *
+ * If output was allowed to be any RawFunctionType, it would look like this
+ *
+ *     [[], [50, [3, 3]]]
+ *
+ * The problem is that the above output could be interpreted as either a type with ID 50 and two
+ * generics, or it could be interpreted as a pair of types, the first one with ID 50 and the second
+ * with ID 3 and a single generic parameter that is also ID 3. We avoid this ambiguity by choosing
+ * in favor of the pair of types interpretation. This is why the `(number|Array<RawFunctionType>)`
+ * is used instead of `(RawFunctionType|Array<RawFunctionType>)`.
+ *
+ * @typedef {(
+ *     0 |
+ *     [(number|Array<RawFunctionType>)] |
+ *     [(number|Array<RawFunctionType>), (number|Array<RawFunctionType>)]
+ * )}
+ */
+let RawFunctionSearchType;
+
+/**
+ * A single function input or output type. This is either a single path ID, or a pair of
+ * [path ID, generics].
+ *
+ * Numeric IDs are *ONE-indexed* into the paths array (`p`). Zero is used as a sentinel for `null`
+ * because `null` is four bytes while `0` is one byte.
+ *
+ * @typedef {number | [number, Array<RawFunctionType>]}
+ */
+let RawFunctionType;
+
+/**
+ * @typedef {{
+ *     inputs: Array<FunctionType>,
+ *     outputs: Array<FunctionType>,
+ * }}
+ */
+let FunctionSearchType;
+
+/**
+ * @typedef {{
+ *     name: (null|string),
+ *     ty: (null|number),
+ *     generics: Array<FunctionType>,
+ * }}
+ */
+let FunctionType;
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