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GoClipse / goclipse

Eclipse IDE for the Go programming language:
http://goclipse.github.io/
Eclipse Public License 1.0
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Cannot Compare go files #211

Closed tsmaeder closed 8 years ago

tsmaeder commented 8 years ago

When I try to compare two go files, I get an exception and an empty compare editor:

org.eclipse.swt.SWTException: Failed to execute runnable (AssertFailedException) at org.eclipse.swt.SWT.error(SWT.java:4533) at org.eclipse.swt.SWT.error(SWT.java:4448) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:185) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4203) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3819) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:687) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:604) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:673) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610) at org.eclipse.equinox.launcher.Main.run(Main.java:1519) Caused by: AssertFailedException at melnorme.utilbox.core.Assert$AssertHandler.handleAssert(Assert.java:62) at melnorme.utilbox.core.Assert.checkAssertion(Assert.java:94) at melnorme.utilbox.core.Assert$AssertNamespace.assertNotNull(Assert.java:167) at melnorme.lang.ide.ui.editor.EditorSourceBuffer$DocumentSourceBuffer.(EditorSourceBuffer.java:109) at melnorme.lang.ide.ui.editor.LangTextMergeViewer$1.(LangTextMergeViewer.java:87) at melnorme.lang.ide.ui.editor.LangTextMergeViewer.getSourceViewerConfiguration(LangTextMergeViewer.java:87) at melnorme.lang.ide.ui.editor.LangTextMergeViewer.configureTextViewer(LangTextMergeViewer.java:59) at org.eclipse.compare.contentmergeviewer.TextMergeViewer.configureSourceViewer(TextMergeViewer.java:3047) at org.eclipse.compare.contentmergeviewer.TextMergeViewer.updateContent(TextMergeViewer.java:2988) at org.eclipse.compare.contentmergeviewer.ContentMergeViewer.internalRefresh(ContentMergeViewer.java:788) at org.eclipse.compare.contentmergeviewer.ContentMergeViewer.inputChanged(ContentMergeViewer.java:688) at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:286) at org.eclipse.compare.CompareViewerSwitchingPane.setInput(CompareViewerSwitchingPane.java:277) at org.eclipse.compare.internal.CompareContentViewerSwitchingPane.setInput(CompareContentViewerSwitchingPane.java:191) at org.eclipse.compare.CompareEditorInput.internalSetContentPaneInput(CompareEditorInput.java:845) at org.eclipse.compare.CompareEditorInput.access$7(CompareEditorInput.java:843) at org.eclipse.compare.CompareEditorInput$10.run(CompareEditorInput.java:779) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) at org.eclipse.compare.CompareEditorInput.feed1(CompareEditorInput.java:773) at org.eclipse.compare.CompareEditorInput.feedInput(CompareEditorInput.java:751) at org.eclipse.compare.CompareEditorInput.createContents(CompareEditorInput.java:555) at org.eclipse.compare.internal.CompareEditor.createCompareControl(CompareEditor.java:462) at org.eclipse.compare.internal.CompareEditor.access$6(CompareEditor.java:422) at org.eclipse.compare.internal.CompareEditor$1$1.run(CompareEditor.java:378) at org.eclipse.ui.internal.UILockListener.doPendingWork(UILockListener.java:162) at org.eclipse.ui.internal.UISynchronizer$3.run(UISynchronizer.java:154) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182) ... 23 more

To Reproduce:

  1. select two *.go files in the project explorer
  2. select "compare with-> each other" from the context menu
  3. observe: exception