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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /devtools/server/actors/pause-scoped.js | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | devtools/server/actors/pause-scoped.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/devtools/server/actors/pause-scoped.js b/devtools/server/actors/pause-scoped.js new file mode 100644 index 0000000000..dc1f2700ee --- /dev/null +++ b/devtools/server/actors/pause-scoped.js @@ -0,0 +1,80 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +"use strict"; + +const { ObjectActor } = require("resource://devtools/server/actors/object.js"); + +class PauseScopedObjectActor extends ObjectActor { + /** + * Creates a pause-scoped actor for the specified object. + * @see ObjectActor + */ + constructor(obj, hooks, conn) { + super(obj, hooks, conn); + + this.hooks.promote = hooks.promote; + this.hooks.isThreadLifetimePool = hooks.isThreadLifetimePool; + + const guardWithPaused = [ + "decompile", + "displayString", + "ownPropertyNames", + "parameterNames", + "property", + "prototype", + "prototypeAndProperties", + "scope", + ]; + + for (const methodName of guardWithPaused) { + this[methodName] = this.withPaused(this[methodName]); + } + + /** + * Handle a protocol request to promote a pause-lifetime grip to a + * thread-lifetime grip. + */ + this.threadGrip = this.withPaused(function () { + this.hooks.promote(); + return {}; + }); + } + + isPaused() { + return this.threadActor ? this.threadActor.state === "paused" : true; + } + + withPaused(method) { + return function () { + if (this.isPaused()) { + return method.apply(this, arguments); + } + + return { + error: "wrongState", + message: + this.constructor.name + + " actors can only be accessed while the thread is paused.", + }; + }; + } + + /** + * Handle a protocol request to release a thread-lifetime grip. + */ + destroy() { + if (this.hooks.isThreadLifetimePool()) { + return { + error: "notReleasable", + message: "Only thread-lifetime actors can be released.", + }; + } + + super.destroy(); + return null; + } +} + +exports.PauseScopedObjectActor = PauseScopedObjectActor; |