Debugger UI doesn't update when debugging code with source maps
Reported by
willdema...@gmail.com,
Apr 28 2016
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Issue descriptionUserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.29 Safari/537.36 Steps to reproduce the problem: 1. Generate any code with a transform and a sourcemap (e.g. ES2015 through Babel) 2. Set a breakpoint on any line of code which will be executed 3. Refresh the page 4. Attempt to step-in or step-over the line of code What is the expected behavior? The debugger UI should update to reflect the current execution pointer. What went wrong? The debugger UI only partially updates. The current line is not highlighted jumped-to. Other elements, such as the stack trace, update correctly. A video of this behaviour is attached. Did this work before? Yes 50.0.2661.86 Chrome version: 51.0.2704.29 Channel: beta OS Version: Flash Version: Shockwave Flash 21.0 r0
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May 5 2016
Could you please provide output of console for DevTools? To open DevTools for DevTools please follow next steps: 1. Click "Undock into separate window" in "Dock side" item in DevTools Menu near the DevTools close button. 2. Click Ctrl+Shift+I when focus in DevTools window. 3. Open Console and copy errors. I think that it should be presented there.
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Jun 1 2016
I have same problem on windows10.
[windows10: 51.0.2704.79 m]
{Async} is checked.
Sorry it's difficult to create minimal test case...
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(anonymous function) @ VM534:1
inspector.js:1499 TypeError: Cannot read property 'sourceURL' of null TypeError: Cannot read property 'sourceURL' of null
at Object.WebInspector.CallStackSidebarPane.CallFrame (sources_module.js:formatted:436)
at Object._callFramesFromRuntime (sources_module.js:formatted:223)
at Object.update (sources_module.js:formatted:187)
at Object._showDebuggerPausedDetails (sources_module.js:formatted:6316)
at Object._debuggerPaused (sources_module.js:formatted:6309)
at Object.dispatchEventToListeners (inspector.js:765)
at Object._setDebuggerPausedDetails (inspector.js:5598)
at Object._pausedScript (inspector.js:5602)
at Object.paused (inspector.js:5659)
at Object.dispatch (inspector.js:4254)innerDispatch @ inspector.js:1499_dispatch @ inspector.js:1498_dispatchOnInspectorFrontendAPI @ VM42:61dispatchMessage @ VM42:146(anonymous function) @ VM724:1
> location
W…r.D…l.Location {_target: W…r.Target, _debuggerModel: W…r.DebuggerModel, scriptId: "631", lineNumber: 625, columnNumber: 31}_debuggerModel: WebInspector.DebuggerModel_target: WebInspector.TargetcolumnNumber: 31lineNumber: 625scriptId: "631"__proto__: ObjectcontinueToLocation: ()id: ()payload: ()script: ()__proto__: Object
> location.script()
null <-- location.script() returns null.
----
WebInspector.CallStackSidebarPane.CallFrame = function(functionName, location, linkifier, debuggerCallFrame, locationPool, asyncCallFrame) {
WebInspector.UIList.Item.call(this, WebInspector.beautifyFunctionName(functionName), "");
this._location = location;
this._debuggerCallFrame = debuggerCallFrame;
this._asyncCallFrame = asyncCallFrame;
if (asyncCallFrame) {
var locationElement = linkifier.linkifyRawLocation(location, location.script().sourceURL); <-- here
this.subtitleElement.appendChild(locationElement);
} else {
this._liveLocationPool = new WebInspector.LiveLocationPool();
WebInspector.debuggerWorkspaceBinding.createCallFrameLiveLocation(location, this._update.bind(this), locationPool);
}
}
,
Jul 4 2016
I have the same problem, even without sourcemaps
,
Jul 30 2016
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/c72a48adc8a6f4cd97fe77a3536e707df53847a1 commit c72a48adc8a6f4cd97fe77a3536e707df53847a1 Author: kozyatinskiy <kozyatinskiy@chromium.org> Date: Sat Jul 30 02:18:14 2016 [DevTools] Fix location.script().sourceURL Script can be null. BUG= 607532 R=lushnikov@chromium.org Review-Url: https://codereview.chromium.org/2198443004 Cr-Commit-Position: refs/heads/master@{#408843} [modify] https://crrev.com/c72a48adc8a6f4cd97fe77a3536e707df53847a1/third_party/WebKit/Source/devtools/front_end/bindings/BlackboxManager.js [modify] https://crrev.com/c72a48adc8a6f4cd97fe77a3536e707df53847a1/third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js [modify] https://crrev.com/c72a48adc8a6f4cd97fe77a3536e707df53847a1/third_party/WebKit/Source/devtools/front_end/bindings/DebuggerWorkspaceBinding.js [modify] https://crrev.com/c72a48adc8a6f4cd97fe77a3536e707df53847a1/third_party/WebKit/Source/devtools/front_end/bindings/ResourceScriptMapping.js [modify] https://crrev.com/c72a48adc8a6f4cd97fe77a3536e707df53847a1/third_party/WebKit/Source/devtools/front_end/sdk/DebuggerModel.js [modify] https://crrev.com/c72a48adc8a6f4cd97fe77a3536e707df53847a1/third_party/WebKit/Source/devtools/front_end/snippets/ScriptSnippetModel.js [modify] https://crrev.com/c72a48adc8a6f4cd97fe77a3536e707df53847a1/third_party/WebKit/Source/devtools/front_end/sources/CallStackSidebarPane.js [modify] https://crrev.com/c72a48adc8a6f4cd97fe77a3536e707df53847a1/third_party/WebKit/Source/devtools/front_end/sources/ScriptFormatterEditorAction.js [modify] https://crrev.com/c72a48adc8a6f4cd97fe77a3536e707df53847a1/third_party/WebKit/Source/devtools/front_end/sources/SourceMapNamesResolver.js
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Jul 30 2016
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Comment 1 by allada@chromium.org
, Apr 28 2016