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Home » Modeling » TMF (Xtext) » Some proposals in content assisting are hidden(Some proposals in content assisting are hidden)
Some proposals in content assisting are hidden [message #1769932] Sun, 06 August 2017 07:42 Go to next message
Eclipse UserFriend
Hi
The proposals are correctly shown in content assisting after scoping is done. I have removed almost all the ambiguities in grammar too. But I have one issue that is once I add a particular rule called QueryOutput as follows content assisting is not working as expected.
Query:
	{Query}(ann3 += Annotation)* FROM (qInp = QueryInput ) (querySec = QuerySection)? outRate=OutputRate? (qOutput = QueryOutput)
;


But when I put (qOutput = QueryOutput)? like this no issue is coming. I have attached the grammar file below. I have added following in mwe2 file.
parserGenerator = {
				debugGrammar=true
				antlrParam = "-Xconversiontimeout"
    			antlrParam = "40000"
				options = {
					ignoreCase = true
					backtrack=false
					memoize = true
					classSplitting=true
                	fieldsPerClass = "300"
                	methodsPerClass= "800"
				}
			}


Can you please provide a clue why this is happening?
  • Attachment: grammar.xtext
    (Size: 18.46KB, Downloaded 115 times)
Re: Some proposals in content assisting are hidden [message #1770039 is a reply to message #1769932] Mon, 07 August 2017 12:44 Go to previous messageGo to next message
Eclipse UserFriend
Hi,
Isn't there any solution for the problem I faced?
Re: Some proposals in content assisting are hidden [message #1770044 is a reply to message #1770039] Mon, 07 August 2017 13:51 Go to previous messageGo to next message
Eclipse UserFriend
Hi,
I wanted to trigger content assisting in a dot typing and followed https://christiandietrich.wordpress.com/2011/09/19/xtext-content-assist-auto-activation/. But nothing happens with a dot typing in the editor. Has this changed now? This is an old post I guess.
Thank you.
Re: Some proposals in content assisting are hidden [message #1770047 is a reply to message #1770044] Mon, 07 August 2017 14:02 Go to previous messageGo to next message
Eclipse UserFriend
hi,

i cannot look into your first question, because its too much work have have a look at grammar etc.
answering or asking on the own question will drop the likelyhoddy sombody else will digg and answer to zero.
the auto activation is still working. of course it will work only if it works if you invoke ca manually as well.

@FinalFieldsConstructor
class MyDslUiModule extends AbstractMyDslUiModule {

	override void configure(Binder binder) {
		super.configure(binder)
		binder.bind(String).annotatedWith(Names.named((XtextContentAssistProcessor.COMPLETION_AUTO_ACTIVATION_CHARS))).
			toInstance(".,:")
	}
	
}
Re: Some proposals in content assisting are hidden [message #1770048 is a reply to message #1770047] Mon, 07 August 2017 14:05 Go to previous messageGo to next message
Eclipse UserFriend
btw what of content assist is not working as expected?
Re: Some proposals in content assisting are hidden [message #1770096 is a reply to message #1770048] Tue, 08 August 2017 05:53 Go to previous messageGo to next message
Eclipse UserFriend
Hi,
The user defined inputs that were scoped are not working as expected where as keywords and other things work.
Re: Some proposals in content assisting are hidden [message #1770108 is a reply to message #1770096] Tue, 08 August 2017 08:04 Go to previous messageGo to next message
Eclipse UserFriend
this helps me not at all.
you have to debug the code
Re: Some proposals in content assisting are hidden [message #1770388 is a reply to message #1770108] Thu, 10 August 2017 11:57 Go to previous messageGo to next message
Eclipse UserFriend
Hi,
My Eclipse IDE has ran into some issue and now no scoping happens properly. I didn't change anything from the last state it worked fine. Need to check further. Does debugging done in the normal way by putting a break point and running the Eclipse runtime?
Re: Some proposals in content assisting are hidden [message #1770391 is a reply to message #1770388] Thu, 10 August 2017 12:08 Go to previous messageGo to next message
Eclipse UserFriend
thats correct. yes
Re: Some proposals in content assisting are hidden [message #1770760 is a reply to message #1770391] Wed, 16 August 2017 16:29 Go to previous messageGo to next message
Eclipse UserFriend
Hi,
Break points that added for debugging doesn't work. During content assisting a null pointer exception come at places where scoping was done. Debugging is essential to find the cause, but break points doesn't work.
Re: Some proposals in content assisting are hidden [message #1770772 is a reply to message #1770760] Wed, 16 August 2017 23:42 Go to previous messageGo to next message
Eclipse UserFriend
I don't know what you do for debugging
Please describe step by step what you do
Re: Some proposals in content assisting are hidden [message #1770912 is a reply to message #1770772] Fri, 18 August 2017 13:01 Go to previous messageGo to next message
Eclipse UserFriend
Hi,
I had put a break point to a statement in getScope method and ran the Eclipse runtime. After editor appears and when I press ctrl+space the following error appears in host IDE. But when a press ctrl+space after typing 1 or 2 letters in the word no error appears.

[main] WARN  org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider  - Error in polymorphic dispatcher : null
java.lang.NullPointerException
	at org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider$ReferenceProposalCreator.queryScope(AbstractJavaBasedContentProposalProvider.java:166)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider$ReferenceProposalCreator.lookupCrossReference(AbstractJavaBasedContentProposalProvider.java:147)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider$ReferenceProposalCreator.lookupCrossReference(AbstractJavaBasedContentProposalProvider.java:133)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider.lookupCrossReference(AbstractJavaBasedContentProposalProvider.java:261)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider.lookupCrossReference(AbstractJavaBasedContentProposalProvider.java:255)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider.lookupCrossReference(AbstractJavaBasedContentProposalProvider.java:233)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider.lookupCrossReference(AbstractJavaBasedContentProposalProvider.java:210)
	at org.xtext.example.mydsl.ui.contentassist.AbstractSiddhiQLProposalProvider.completeSourceOrEventReference_Na(AbstractSiddhiQLProposalProvider.java:601)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.xtext.util.PolymorphicDispatcher.invoke(PolymorphicDispatcher.java:296)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider.invokeMethod(AbstractJavaBasedContentProposalProvider.java:300)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider.completeAssignment(AbstractJavaBasedContentProposalProvider.java:205)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractContentProposalProvider$DefaultContentAssistProcessorSwitch.caseAssignment(AbstractContentProposalProvider.java:66)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractContentProposalProvider$DefaultContentAssistProcessorSwitch.caseAssignment(AbstractContentProposalProvider.java:1)
	at org.eclipse.xtext.util.XtextSwitch.doSwitch(XtextSwitch.java:144)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:53)
	at org.eclipse.emf.ecore.util.Switch.doSwitch(Switch.java:69)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractContentProposalProvider$DefaultContentAssistProcessorSwitch.accept(AbstractContentProposalProvider.java:72)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractContentProposalProvider.createProposals(AbstractContentProposalProvider.java:110)
	at org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider.createProposals(AbstractJavaBasedContentProposalProvider.java:275)
	at org.eclipse.xtext.ui.editor.contentassist.CompletionProposalComputer.exec(CompletionProposalComputer.java:52)
	at org.eclipse.xtext.ui.editor.contentassist.CompletionProposalComputer.exec(CompletionProposalComputer.java:1)
	at org.eclipse.xtext.resource.OutdatedStateManager.exec(OutdatedStateManager.java:91)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.internalReadOnly(XtextDocument.java:520)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.priorityReadOnly(XtextDocument.java:485)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.priorityReadOnly(XtextDocument.java:142)
	at org.eclipse.xtext.ui.editor.contentassist.XtextContentAssistProcessor.computeCompletionProposals(XtextContentAssistProcessor.java:69)
	at org.eclipse.jface.text.contentassist.ContentAssistant$3.run(ContentAssistant.java:1931)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.jface.text.contentassist.ContentAssistant.computeCompletionProposals(ContentAssistant.java:1928)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.computeProposals(CompletionProposalPopup.java:565)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.access$16(CompletionProposalPopup.java:560)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup$2.run(CompletionProposalPopup.java:494)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.jface.text.contentassist.CompletionProposalPopup.showProposals(CompletionProposalPopup.java:487)
	at org.eclipse.jface.text.contentassist.ContentAssistant.showPossibleCompletions(ContentAssistant.java:1747)
	at org.eclipse.jface.text.source.SourceViewer.doOperation(SourceViewer.java:939)
	at org.eclipse.jface.text.source.projection.ProjectionViewer.doOperation(ProjectionViewer.java:1461)
	at org.eclipse.ui.texteditor.ContentAssistAction$1.run(ContentAssistAction.java:84)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.texteditor.ContentAssistAction.run(ContentAssistAction.java:81)
	at org.eclipse.jface.action.Action.runWithEvent(Action.java:473)
	at org.eclipse.jface.commands.ActionHandler.execute(ActionHandler.java:118)
	at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:90)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:55)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:282)
	at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:264)
	at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
	at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152)
	at org.eclipse.core.commands.Command.executeWithChecks(Command.java:494)
	at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:488)
	at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)
	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:286)
	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:507)
	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:558)
	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:378)
	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$0(KeyBindingDispatcher.java:324)
	at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:86)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1270)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1078)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1103)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1088)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1130)
	at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1126)
	at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1547)
	at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4918)
	at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:364)
	at org.eclipse.swt.widgets.Control.windowProc(Control.java:4799)
	at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:359)
	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5110)
	at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
	at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2552)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3822)
	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:693)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:610)
	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(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	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)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1492)
Re: Some proposals in content assisting are hidden [message #1770917 is a reply to message #1770912] Fri, 18 August 2017 14:19 Go to previous message
Eclipse UserFriend
You know you need to start the eclipse runtime in debug mode via debug menu / icon
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