Andrew Zambazos
68 lines
2.5 KiB
JavaScript
68 lines
2.5 KiB
JavaScript
/*
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* Copyright (C) 2016 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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// Directed edge between two HeapSnapshotNodes 'from' and 'to'.
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WI.HeapSnapshotEdgeProxy = class HeapSnapshotEdgeProxy
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{
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constructor(objectId, fromIdentifier, toIdentifier, type, data)
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{
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this._proxyObjectId = objectId;
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console.assert(type in WI.HeapSnapshotEdgeProxy.EdgeType);
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this.fromIdentifier = fromIdentifier;
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this.toIdentifier = toIdentifier;
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this.type = type;
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this.data = data;
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this.from = null;
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this.to = null;
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}
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isPrivateSymbol()
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{
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if (WI.settings.engineeringShowPrivateSymbolsInHeapSnapshot.value)
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return false;
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return typeof this.data === "string" && this.data.startsWith("PrivateSymbol");
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}
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// Static
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static deserialize(objectId, serializedEdge)
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{
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let {from, to, type, data} = serializedEdge;
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return new WI.HeapSnapshotEdgeProxy(objectId, from, to, type, data);
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}
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};
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WI.HeapSnapshotEdgeProxy.EdgeType = {
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Internal: "Internal", // No data.
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Property: "Property", // data is string property name.
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Index: "Index", // data is numeric index.
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Variable: "Variable", // data is string variable name.
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};
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