[Webkit-unassigned] [Bug 149403] New: Web Inspector: CodeMirror throws an exception: child.chunkSize is undefined

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Sep 21 07:30:12 PDT 2015


            Bug ID: 149403
           Summary: Web Inspector: CodeMirror throws an exception:
                    child.chunkSize is undefined
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: nvasilyev at apple.com
                CC: bburg at apple.com, graouts at webkit.org,
                    joepeck at webkit.org, mattbaker at apple.com,
                    nvasilyev at apple.com, timothy at apple.com,
                    webkit-bug-importer at group.apple.com

Created attachment 261652
  --> https://bugs.webkit.org/attachment.cgi?id=261652&action=review
[Animated GIF] Bug

See the attached animated GIF for the reproduction steps.

TypeError: undefined is not an object (evaluating 'child.chunkSize')
  getLine — codemirror.js:7701
  clipPos — codemirror.js:2060
  charCoords — codemirror.js:4989
  _isPositionVisible — TextEditor.js:1417
  revealAndHighlightLine — TextEditor.js:489
  revealAndHighlightLinerunInOp — codemirror.js:3135
  operation — codemirror.js:5248
  revealPosition — TextEditor.js:505
  _revealPendingPositionIfPossible — TextEditor.js:898
  shown — TextEditor.js:527
  shown — SourceCodeTextEditor.js:97
  shown — TextResourceContentView.js:101
  prepareToShow — BackForwardEntry.js:61
  _showEntry — ContentViewContainer.js:464
  shown — ContentViewContainer.js:417
  shown — ClusterContentView.js:70
  shown — ResourceClusterContentView.js:117
  prepareToShow — BackForwardEntry.js:61
  _showEntry — ContentViewContainer.js:464
  showBackForwardEntryForIndex — ContentViewContainer.js:204
  showContentView — ContentViewContainer.js:180
  showContentViewForRepresentedObject — ContentBrowser.js:145
  showRepresentedObject — ContentBrowserTabContentView.js:193
  showRepresentedObject — Main.js:988showSourceCode — Main.js:1028
  openURL — Main.js:687
  handlePossibleLinkClick — Main.js:655
  _mouseWasClicked — Main.js:1149

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