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/*
* Copyright (C) 2025 Devin Rousso <webkit@devinrousso.com>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WI.ScriptTimeline = class ScriptTimeline extends WI.Timeline
{
// Public
get targets()
{
return Array.from(this._callingContextTreesForTarget.keys());
}
reset(suppressEvents)
{
this._callingContextTreesForTarget = new Map;
super.reset(suppressEvents);
}
callingContextTree(target, type)
{
let callingContextTrees = this._callingContextTreesForTarget.get(target);
if (!callingContextTrees)
return new WI.CallingContextTree(WI.assumingMainTarget(), type);
return callingContextTrees[type];
}
updateCallingContextTrees(target, stackTraces, sampleDurations)
{
let targetAdded = false;
let callingContextTrees = this._callingContextTreesForTarget.getOrInitialize(target, () => {
targetAdded = true;
let callingContextTrees = {};
for (const type of Object.values(WI.CallingContextTree.Type))
callingContextTrees[type] = new WI.CallingContextTree(target, type);
return callingContextTrees;
});
for (let i = 0; i < stackTraces.length; i++) {
for (const type of Object.values(WI.CallingContextTree.Type))
callingContextTrees[type].updateTreeWithStackTrace(stackTraces[i], sampleDurations[i]);
}
if (targetAdded)
this.dispatchEventToListeners(WI.ScriptTimeline.Event.TargetAdded, {target});
}
};
WI.ScriptTimeline.Event = {
TargetAdded: "script-timeline-target-added",
};
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