blob: 8d62c848738351adc6995c79c1696eca36cd5f5d [file] [log] [blame]
/*
* Copyright (C) 2016 Apple Inc. 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.
*/
// Directed edge between two HeapSnapshotNodes 'from' and 'to'.
WI.HeapSnapshotEdgeProxy = class HeapSnapshotEdgeProxy
{
constructor(objectId, fromIdentifier, toIdentifier, type, data)
{
this._proxyObjectId = objectId;
console.assert(type in WI.HeapSnapshotEdgeProxy.EdgeType);
this.fromIdentifier = fromIdentifier;
this.toIdentifier = toIdentifier;
this.type = type;
this.data = data;
this.from = null;
this.to = null;
}
isPrivateSymbol()
{
if (WI.isDebugUIEnabled())
return false;
return typeof this.data === "string" && this.data.startsWith("PrivateSymbol");
}
// Static
static deserialize(objectId, serializedEdge)
{
let {from, to, type, data} = serializedEdge;
return new WI.HeapSnapshotEdgeProxy(objectId, from, to, type, data);
}
};
WI.HeapSnapshotEdgeProxy.EdgeType = {
Internal: "Internal", // No data.
Property: "Property", // data is string property name.
Index: "Index", // data is numeric index.
Variable: "Variable", // data is string variable name.
};