Andrew Zambazos
145 lines
4.2 KiB
JavaScript
145 lines
4.2 KiB
JavaScript
/*
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* Copyright (C) 2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// FIXME: HeapManager lacks advanced multi-target support. (Instruments/Profilers per-target)
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WI.HeapManager = class HeapManager extends WI.Object
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{
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constructor()
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{
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super();
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this._enabled = false;
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}
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// Agent
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get domains() { return ["Heap"]; }
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activateExtraDomain(domain)
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{
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// COMPATIBILITY (iOS 14.0): Inspector.activateExtraDomains was removed in favor of a declared debuggable type
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console.assert(domain === "Heap");
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for (let target of WI.targets)
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this.initializeTarget(target);
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}
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// Target
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initializeTarget(target)
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{
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if (!this._enabled)
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return;
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if (target.hasDomain("Heap"))
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target.HeapAgent.enable();
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}
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// Public
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enable()
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{
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if (this._enabled)
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return;
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this._enabled = true;
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for (let target of WI.targets)
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this.initializeTarget(target);
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}
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disable()
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{
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if (!this._enabled)
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return;
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for (let target of WI.targets) {
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if (target.hasDomain("Heap"))
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target.HeapAgent.disable();
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}
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this._enabled = false;
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}
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snapshot(callback)
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{
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console.assert(this._enabled);
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let target = WI.assumingMainTarget();
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target.HeapAgent.snapshot((error, timestamp, snapshotStringData) => {
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if (error)
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console.error(error);
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callback(error, timestamp, snapshotStringData);
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});
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}
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getPreview(node, callback)
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{
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console.assert(this._enabled);
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console.assert(node instanceof WI.HeapSnapshotNodeProxy);
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let target = WI.assumingMainTarget();
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target.HeapAgent.getPreview(node.id, (error, string, functionDetails, preview) => {
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if (error)
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console.error(error);
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callback(error, string, functionDetails, preview);
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});
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}
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getRemoteObject(node, objectGroup, callback)
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{
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console.assert(this._enabled);
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console.assert(node instanceof WI.HeapSnapshotNodeProxy);
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let target = WI.assumingMainTarget();
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target.HeapAgent.getRemoteObject(node.id, objectGroup, (error, result) => {
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if (error)
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console.error(error);
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callback(error, result);
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});
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}
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// HeapObserver
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garbageCollected(target, payload)
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{
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if (!this._enabled)
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return;
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// FIXME: <https://webkit.org/b/167323> Web Inspector: Enable Memory profiling in Workers
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if (target !== WI.mainTarget)
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return;
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let collection = WI.GarbageCollection.fromPayload(payload);
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this.dispatchEventToListeners(WI.HeapManager.Event.GarbageCollected, {collection});
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}
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};
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WI.HeapManager.Event = {
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GarbageCollected: "heap-manager-garbage-collected"
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};
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