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/*
* Copyright (C) 2017 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.
*/
WI.StackTraceTreeController = class StackTraceTreeController extends WI.Object
{
constructor(treeOutline)
{
console.assert(treeOutline instanceof WI.TreeOutline);
super();
this._stackTrace = null;
this._treeOutline = treeOutline;
if (this._treeOutline.selectable)
this._treeOutline.addEventListener(WI.TreeOutline.Event.SelectionDidChange, this._treeSelectionDidChange, this);
else
this._treeOutline.addEventListener(WI.TreeOutline.Event.ElementClicked, this._treeElementClicked, this);
}
// Static
static groupBlackboxedStackTrace(parent, stackTrace, {rememberBlackboxedCallFrameGroupToAutoExpand} = {})
{
let parentIsNode = parent instanceof Node;
console.assert(parentIsNode || parent instanceof WI.TreeOutline || parent instanceof WI.TreeElement, parent);
console.assert(stackTrace instanceof WI.StackTrace, stackTrace);
let CallFrameUIClass = parentIsNode ? WI.CallFrameView : WI.CallFrameTreeElement;
let activeCallFrameTreeElement = WI.StackTraceTreeController._groupBlackboxedCallFrames(parent, stackTrace.callFrames, {rememberBlackboxedCallFrameGroupToAutoExpand});
let parentStackTrace = stackTrace.parentStackTrace;
while (parentStackTrace) {
console.assert(parentStackTrace.callFrames.length, "StackTrace should have non-empty call frames array.");
if (!parentStackTrace.callFrames.length)
break;
let boundaryCallFrame;
if (parentStackTrace.topCallFrameIsBoundary) {
boundaryCallFrame = parentStackTrace.callFrames[0];
console.assert(boundaryCallFrame.nativeCode && !boundaryCallFrame.sourceCodeLocation);
} else {
// Create a generic native CallFrame for the asynchronous boundary.
boundaryCallFrame = new WI.CallFrame(parentStackTrace.callFrames[0].target, {
functionName: WI.UIString("(async)"),
nativeCode: true,
});
}
parent.appendChild(new CallFrameUIClass(boundaryCallFrame, {showFunctionName: true, isAsyncBoundaryCallFrame: true}));
let startIndex = parentStackTrace.topCallFrameIsBoundary ? 1 : 0;
let parentCallFrames = startIndex ? parentStackTrace.callFrames.slice(startIndex) : parentStackTrace.callFrames;
WI.StackTraceTreeController._groupBlackboxedCallFrames(parent, parentCallFrames, {rememberBlackboxedCallFrameGroupToAutoExpand});
if (parentStackTrace.truncated) {
let truncatedCallFrame = new WI.CallFrame(parentStackTrace.callFrames[0].target, {
functionName: WI.UIString("(call frames truncated)"),
nativeCode: true,
});
parent.appendChild(new CallFrameUIClass(truncatedCallFrame, {showFunctionName: true, isTruncatedBoundaryCallFrame: true}));
}
parentStackTrace = parentStackTrace.parentStackTrace;
}
return activeCallFrameTreeElement;
}
static _groupBlackboxedCallFrames(parent, callFrames, {rememberBlackboxedCallFrameGroupToAutoExpand} = {})
{
let parentIsNode = parent instanceof Node;
console.assert(parentIsNode || parent instanceof WI.TreeOutline || parent instanceof WI.TreeElement, parent);
console.assert(Array.isArray(callFrames) && callFrames.length && callFrames.every((callFrame) => callFrame instanceof WI.CallFrame), callFrames);
let BlackboxedGroupUIClass = parentIsNode ? WI.BlackboxedGroupView : WI.BlackboxedGroupTreeElement;
let blackboxedGroupUIOptions = {rememberBlackboxedCallFrameGroupToAutoExpand};
let CallFrameUIClass = parentIsNode ? WI.CallFrameView : WI.CallFrameTreeElement;
let callFrameUIOptions = {showFunctionName: true, indicateIfBlackboxed: true};
let activeCallFrame = WI.debuggerManager.activeCallFrame;
let activeCallFrameTreeElement = null;
let blackboxedCallFrameGroupStartIndex = undefined;
function displayable(callFrame) {
if (parentIsNode) {
if (!callFrame.sourceCodeLocation && callFrame.functionName === null)
return false;
if (callFrame.isConsoleEvaluation && !WI.settings.debugShowConsoleEvaluations.value)
return false;
}
return true;
}
// Add one extra iteration to handle call stacks that start blackboxed.
for (let i = 0; i < callFrames.length + 1; ++i) {
let callFrame = callFrames[i];
if (callFrame) {
if (callFrames.length > 1 && !displayable(callFrame))
continue;
if (callFrame.blackboxed) {
blackboxedCallFrameGroupStartIndex ??= i;
continue;
}
}
if (blackboxedCallFrameGroupStartIndex !== undefined) {
let blackboxedCallFrameGroup = callFrames.slice(blackboxedCallFrameGroupStartIndex, i).filter(displayable);
blackboxedCallFrameGroupStartIndex = undefined;
if (!rememberBlackboxedCallFrameGroupToAutoExpand || !WI.debuggerManager.shouldAutoExpandBlackboxedCallFrameGroup(blackboxedCallFrameGroup))
parent.appendChild(new BlackboxedGroupUIClass(blackboxedCallFrameGroup, blackboxedGroupUIOptions));
else {
for (let blackboxedCallFrame of blackboxedCallFrameGroup)
parent.appendChild(new CallFrameUIClass(blackboxedCallFrame, callFrameUIOptions));
}
}
if (!callFrame)
continue;
let callFrameTreeElement = new CallFrameUIClass(callFrame, callFrameUIOptions);
if (callFrame === activeCallFrame && !parentIsNode)
activeCallFrameTreeElement = callFrameTreeElement;
parent.appendChild(callFrameTreeElement);
}
return activeCallFrameTreeElement;
}
// Public
get treeOutline() { return this._treeOutline; }
get stackTrace()
{
return this._stackTrace;
}
set stackTrace(stackTrace)
{
stackTrace = stackTrace || null;
if (this._stackTrace === stackTrace)
return;
this._stackTrace = stackTrace;
this._treeOutline.removeChildren();
if (this._stackTrace)
WI.StackTraceTreeController.groupBlackboxedStackTrace(this._treeOutline, this._stackTrace);
}
disconnect()
{
if (this._treeOutline.selectable)
this._treeOutline.removeEventListener(WI.TreeOutline.Event.SelectionDidChange, this._treeSelectionDidChange, this);
else
this._treeOutline.removeEventListener(WI.TreeOutline.Event.ElementClicked, this._treeElementClicked, this);
}
// Private
_treeElementClicked(event)
{
this._showSourceCodeLocation(event.data.treeElement);
}
_treeSelectionDidChange(event)
{
this._showSourceCodeLocation(this._treeOutline.selectedTreeElement);
}
_showSourceCodeLocation(treeElement)
{
let callFrame = treeElement.callFrame;
if (!callFrame.sourceCodeLocation)
return;
WI.showSourceCodeLocation(callFrame.sourceCodeLocation, {
ignoreNetworkTab: true,
ignoreSearchTab: true,
// Treat call frame clicks as link clicks since it jumps to a source location.
initiatorHint: WI.TabBrowser.TabNavigationInitiator.LinkClick,
});
}
};
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