Bugzilla – Full Text Bug Listing
| Summary: | [Xtend] ClassCastException in Editor | ||
|---|---|---|---|
| Product: | [Tools] Xtend | Reporter: | Sven Efftinge <sven.efftinge> |
| Component: | Core | Assignee: | Project Inbox <xtend-inbox> |
| Status: | CLOSED FIXED | QA Contact: | |
| Severity: | normal | ||
| Priority: | P3 | CC: | Holger.Schill |
| Version: | 2.2.0 | Flags: | sven.efftinge:
juno+
|
| Target Milestone: | M7 | ||
| Hardware: | PC | ||
| OS: | Mac OS X - Carbon (unsup.) | ||
| Whiteboard: | |||
|
Description
Sven Efftinge
With this source file:
package org.xtext.example.mydsl.jvmmodel
import com.google.inject.Inject
import org.eclipse.emf.ecore.EObject
import org.eclipse.xtext.common.types.JvmDeclaredType
import org.eclipse.xtext.common.types.JvmExecutable
import org.eclipse.xtext.util.IAcceptor
import org.eclipse.xtext.xbase.XExpression
import org.eclipse.xtext.xbase.jvmmodel.AbstractModelInferrer
import org.eclipse.xtext.xbase.jvmmodel.JvmTypesBuilder
import org.xtext.example.mydsl.myDsl.Entity
import org.xtext.example.mydsl.myDsl.Operation
import org.xtext.example.mydsl.myDsl.PackageDeclaration
import org.xtext.example.mydsl.myDsl.Property
/**
* <p>Infers a JVM model from the source model.</p>
*
* <p>The JVM model should contain all elements that would appear in the Java code
* which is generated from the source model. Other models link against the JVM model rather than the source model.</p>
*/
class MyDslJvmModelInferrer extends AbstractModelInferrer {
/**
* conveninence API to build and initialize JvmTypes and their members.
*/
@Inject extension JvmTypesBuilder
def void setBody(JvmExecutable it, XExpression expression) {
expression.isLogicallyContainedIn(it)
}
/**
* Is called for each instance of the first argument's type contained in a resource.
*
* @param element - the model to create one or more JvmDeclaredTypes from.
* @param acceptor - each created JvmDeclaredType without a container should be passed to the acceptor in order get attached to the
* current resource.
* @param isPreLinkingPhase - whether the method is called in a pre linking üphase, i.e. when the global index isn't fully updated. You
* must not rely on linking using the index if iPrelinkingPhase is <code>true</code>
*/
def dispatch void infer(Entity element, IAcceptor<JvmDeclaredType> acceptor, boolean isPrelinkingPhase) {
acceptor.accept(element.toClass(element.qualifiedName) [
for (feature : element.features) {
switch feature {
Property : {
}
Operation : {
it.members += feature.toMethod(feature.name, feature.newTypeRef(typeof(String))) [
body = feature.body
]
}
}
}
])
}
def String qualifiedName(EObject element) {
switch element {
Entity case element.eContainer != null :
qualifiedName(element.eContainer)+"."+element.name
Entity :
element.name
PackageDeclaration case element.eContainer != null :
qualifiedName(element.eContainer)+"."+element.name
PackageDeclaration :
element.name
}
}
}
I have a Nullpointer for this file during scoping. 239171 [Worker-7] ERROR org.eclipse.xtext.xbase.scoping.XbaseScopeProvider - error during scoping java.lang.NullPointerException at org.eclipse.xtext.common.types.util.TypesSwitch.doSwitch(TypesSwitch.java:61) at org.eclipse.xtext.common.types.util.SuperTypeCollector$Implementation.caseJvmDelegateTypeReference(SuperTypeCollector.java:222) at org.eclipse.xtext.common.types.util.SuperTypeCollector$Implementation.caseJvmDelegateTypeReference(SuperTypeCollector.java:1) at org.eclipse.xtext.common.types.util.TypesSwitch.doSwitch(TypesSwitch.java:510) at org.eclipse.xtext.common.types.util.TypesSwitch.doSwitch(TypesSwitch.java:75) at org.eclipse.xtext.common.types.util.TypesSwitch.doSwitch(TypesSwitch.java:61) at org.eclipse.xtext.common.types.util.SuperTypeCollector$Implementation.caseJvmMultiTypeReference(SuperTypeCollector.java:211) at org.eclipse.xtext.common.types.util.SuperTypeCollector$Implementation.caseJvmMultiTypeReference(SuperTypeCollector.java:1) at org.eclipse.xtext.common.types.util.TypesSwitch.doSwitch(TypesSwitch.java:306) at org.eclipse.xtext.common.types.util.TypesSwitch.doSwitch(TypesSwitch.java:75) at org.eclipse.xtext.common.types.util.TypesSwitch.doSwitch(TypesSwitch.java:61) at org.eclipse.xtext.common.types.util.SuperTypeCollector.doCollectSupertypeData(SuperTypeCollector.java:137) at org.eclipse.xtext.common.types.util.SuperTypeCollector.collectSuperTypes(SuperTypeCollector.java:87) at org.eclipse.xtext.xbase.scoping.featurecalls.JvmFeatureScopeProvider.linearizeTypeHierarchy(JvmFeatureScopeProvider.java:159) at org.eclipse.xtext.xbase.scoping.featurecalls.JvmFeatureScopeProvider.createFeatureScopeForTypeRef(JvmFeatureScopeProvider.java:109) at org.eclipse.xtext.xbase.scoping.featurecalls.JvmFeatureScopeProvider.createFeatureScope(JvmFeatureScopeProvider.java:73) at org.eclipse.xtext.xbase.scoping.XbaseScopeProvider$JvmFeatureScopeAcceptor.createScope(XbaseScopeProvider.java:739) at org.eclipse.xtext.xbase.scoping.XbaseScopeProvider.createFeatureScopeForTypeRef(XbaseScopeProvider.java:372) at org.eclipse.xtext.xbase.scoping.XbaseScopeProvider.createFeatureCallScopeForReceiver(XbaseScopeProvider.java:394) at org.eclipse.xtext.xbase.scoping.XbaseScopeProvider.createFeatureCallScope(XbaseScopeProvider.java:327) at org.eclipse.xtext.xbase.scoping.XbaseScopeProvider.getScope(XbaseScopeProvider.java:181) at org.eclipse.xtext.xbase.annotations.scoping.XbaseWithAnnotationsScopeProvider.getScope(XbaseWithAnnotationsScopeProvider.java:50) at org.eclipse.xtext.xbase.linking.XbaseLinkingScopeProvider.getScope(XbaseLinkingScopeProvider.java:42) at org.eclipse.xtext.linking.impl.DefaultLinkingService.getScope(DefaultLinkingService.java:59) at org.eclipse.xtext.linking.impl.DefaultLinkingService.getLinkedObjects(DefaultLinkingService.java:119) at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:175) at org.eclipse.xtext.xbase.resource.XbaseResource.access$0(XbaseResource.java:1) at org.eclipse.xtext.xbase.resource.XbaseResource$2.exec(XbaseResource.java:227) at org.eclipse.xtext.xbase.resource.XbaseResource$2.exec(XbaseResource.java:1) at org.eclipse.xtext.util.OnChangeEvictingCache.execWithoutCacheClear(OnChangeEvictingCache.java:121) at org.eclipse.xtext.xbase.resource.XbaseResource.getEObject(XbaseResource.java:225) at org.eclipse.xtext.xtend2.resource.Xtend2Resource.getEObject(Xtend2Resource.java:88) at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getEObject(ResourceSetImpl.java:219) at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:202) at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:262) at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eResolveProxy(BasicEObjectImpl.java:1475) at org.eclipse.xtext.xbase.impl.XAbstractFeatureCallImpl.getFeature(XAbstractFeatureCallImpl.java:161) at org.eclipse.xtext.xbase.ui.highlighting.XbaseHighlightingCalculator.computeFeatureCallHighlighting(XbaseHighlightingCalculator.java:149) at org.eclipse.xtext.xbase.ui.highlighting.XbaseHighlightingCalculator.searchAndHighlightElements(XbaseHighlightingCalculator.java:115) at org.eclipse.xtext.xbase.ui.highlighting.XbaseHighlightingCalculator.doProvideHighlightingFor(XbaseHighlightingCalculator.java:107) at org.eclipse.xtext.xtend2.ui.highlighting.XtendHighlightingCalculator.doProvideHighlightingFor(XtendHighlightingCalculator.java:93) at org.eclipse.xtext.xbase.ui.highlighting.XbaseHighlightingCalculator.provideHighlightingFor(XbaseHighlightingCalculator.java:87) at org.eclipse.xtext.ui.editor.syntaxcoloring.MergingHighlightedPositionAcceptor.provideHighlightingFor(MergingHighlightedPositionAcceptor.java:51) at org.eclipse.xtext.ui.editor.syntaxcoloring.HighlightingReconciler.reconcilePositions(HighlightingReconciler.java:87) at org.eclipse.xtext.ui.editor.syntaxcoloring.HighlightingReconciler.modelChanged(HighlightingReconciler.java:277) at org.eclipse.xtext.ui.editor.model.XtextDocument.notifyModelListeners(XtextDocument.java:118) at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.afterModify(XtextDocument.java:172) at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.afterModify(XtextDocument.java:1) at org.eclipse.xtext.util.concurrent.AbstractReadWriteAcces.modify(AbstractReadWriteAcces.java:50) at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.modify(XtextDocument.java:181) at org.eclipse.xtext.ui.editor.model.XtextDocument.internalModify(XtextDocument.java:90) at org.eclipse.xtext.ui.editor.reconciler.XtextDocumentReconcileStrategy.reconcile(XtextDocumentReconcileStrategy.java:33) at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler.run(XtextReconciler.java:239) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Added NPE guard for comment #3. stack trace from comment #1 is outdated and can't happen anymore. pushed to master. Requested via bug 522520. -M. Requested via bug 522520. -M. |