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https://gitlab.winehq.org/wine/wine-gecko.git
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65 lines
2.4 KiB
Plaintext
65 lines
2.4 KiB
Plaintext
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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/**
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* A collection of **thread-safe** static utility methods that are only exposed
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* to Chrome. This interface is exposed in workers, while ChromeUtils is not.
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*/
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[ChromeOnly, Exposed=(Window,System,Worker)]
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interface ThreadSafeChromeUtils {
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/**
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* Serialize a snapshot of the heap graph, as seen by |JS::ubi::Node| and
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* restricted by |boundaries|, and write it to the provided file path.
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*
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* @param filePath The file path to write the heap snapshot to.
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*
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* @param boundaries The portion of the heap graph to write.
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*/
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[Throws]
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static void saveHeapSnapshot(DOMString filePath,
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optional HeapSnapshotBoundaries boundaries);
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/**
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* Deserialize a core dump into a HeapSnapshot.
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*
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* @param filePath The file path to read the heap snapshot from.
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*/
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[Throws, NewObject]
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static HeapSnapshot readHeapSnapshot(DOMString filePath);
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};
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/**
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* A JS object whose properties specify what portion of the heap graph to
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* write. The recognized properties are:
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*
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* * globals: [ global, ... ]
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* Dump only nodes that either:
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* - belong in the compartment of one of the given globals;
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* - belong to no compartment, but do belong to a Zone that contains one of
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* the given globals;
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* - are referred to directly by one of the last two kinds of nodes; or
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* - is the fictional root node, described below.
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*
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* * debugger: Debugger object
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* Like "globals", but use the Debugger's debuggees as the globals.
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*
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* * runtime: true
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* Dump the entire heap graph, starting with the JSRuntime's roots.
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*
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* One, and only one, of these properties must exist on the boundaries object.
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*
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* The root of the dumped graph is a fictional node whose ubi::Node type name is
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* "CoreDumpRoot". If we are dumping the entire ubi::Node graph, this root node
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* has an edge for each of the JSRuntime's roots. If we are dumping a selected
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* set of globals, the root has an edge to each global, and an edge for each
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* incoming JS reference to the selected Zones.
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*/
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dictionary HeapSnapshotBoundaries {
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sequence<object> globals;
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object debugger;
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boolean runtime;
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};
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