Examples with IResourceDescriptions org.eclipse.xtext.resource.IResourceDescriptions used on opensource projects

Example 11 with IResourceDescriptions

use of org.eclipse.xtext.resource.IResourceDescriptions in project xtext-xtend by eclipse.

the class XtendImportedNamespaceScopeProvider method getScope.

@Override
public IScope getScope(final EObject context, final EReference reference) {
    EClass referenceType = reference.getEReferenceType();
    if (TypesPackage.Literals.JVM_TYPE.isSuperTypeOf(referenceType)) {
        if (context instanceof XImportDeclaration) {
            Resource resource = context.eResource();
            IJvmTypeProvider typeProvider = typeScopeProvider.getTypeProvider(resource.getResourceSet());
            AbstractTypeScope typeScope = typeScopeProvider.createTypeScope(typeProvider, null);
            IResourceDescriptions descriptions = resourceDescriptionsProvider.getResourceDescriptions(context.eResource().getResourceSet());
            IResourceDescription resourceDescription = descriptions.getResourceDescription(resource.getURI());
            if (resourceDescription != null) {
                typeScope = new LocalResourceFilteringTypeScope(typeScope, resourceDescription);
            }
            RecordingTypeScope recordingTypeScope = new RecordingTypeScope(typeScope, getImportedNamesSet(resource), getQualifiedNameConverter());
            // TODO this scope doesn't support binary syntax for inner types. It should be a KnownTypes scope which doesn't allow simple names
            // Unfortunately I cannot use a RecordingTypeScope as a parent as it is not compatible...
            IScope scope = SelectableBasedScope.createScope(recordingTypeScope, getAllDescriptions(resource), reference.getEReferenceType(), false);
            return scope;
        }
        final XtendFile xtendFile = getXtendFile(context);
        final Resource resource = xtendFile.eResource();
        AbstractScope result = resourceScopeCache.get("type.scope", xtendFile.eResource(), new Provider<AbstractScope>() {

            @Override
            public AbstractScope get() {
                IJvmTypeProvider typeProvider = typeScopeProvider.getTypeProvider(resource.getResourceSet());
                AbstractTypeScope typeScope = typeScopeProvider.createTypeScope(typeProvider, null);
                IResourceDescriptions descriptions = resourceDescriptionsProvider.getResourceDescriptions(context.eResource().getResourceSet());
                IResourceDescription resourceDescription = descriptions.getResourceDescription(resource.getURI());
                if (resourceDescription != null) {
                    typeScope = new LocalResourceFilteringTypeScope(typeScope, resourceDescription);
                }
                RecordingTypeScope recordingTypeScope = new RecordingTypeScope(typeScope, getImportedNamesSet(resource), getQualifiedNameConverter());
                AbstractScope rootTypeScope = getRootTypeScope(xtendFile, recordingTypeScope);
                AbstractScope importScope = getImportScope(xtendFile.getImportSection(), rootTypeScope, recordingTypeScope);
                AbstractScope localTypes = getResourceTypeScope(xtendFile.eResource(), xtendFile.getPackage(), importScope);
                AbstractScope primitiveAware = new PrimitiveAwareScope(localTypes, typeScope);
                AbstractScope caching = new CachingTypeScope(primitiveAware);
                return caching;
            }
        });
        if (context instanceof AnonymousClass) {
            // necessary for the super type of an anonymous class expression
            JvmDeclaredType inferredAnonymousType = associations.getInferredType((AnonymousClass) context);
            if (inferredAnonymousType != null)
                result = new LocalTypeScope(singletonList(inferredAnonymousType), result);
        }
        XtendMember syntacticContainer = EcoreUtil2.getContainerOfType(context, XtendMember.class);
        if (syntacticContainer != null) {
            result = getContainerScope(syntacticContainer, result);
        }
        EObject logicalContainer = logicalContainerProvider.getNearestLogicalContainer(context);
        if (logicalContainer != null) {
            List<List<JvmTypeParameter>> typeParameters = new ArrayList<List<JvmTypeParameter>>();
            while (logicalContainer instanceof JvmTypeParameterDeclarator) {
                JvmTypeParameterDeclarator typeParamProvider = (JvmTypeParameterDeclarator) logicalContainer;
                if (!typeParamProvider.getTypeParameters().isEmpty()) {
                    typeParameters.add(typeParamProvider.getTypeParameters());
                }
                logicalContainer = logicalContainer.eContainer();
            }
            if (!typeParameters.isEmpty())
                result = new TypeParameterScope(typeParameters, result);
        }
        return result;
    } else if (TypesPackage.Literals.JVM_CONSTRUCTOR.isSuperTypeOf(referenceType)) {
        IScope typeScope = getScope(context, TypesPackage.Literals.JVM_PARAMETERIZED_TYPE_REFERENCE__TYPE);
        // this is not called from the type resolution where we want to allow constructors to link to interfaces
        // in order to improve the error message, therefore we use a strict wrapper here
        IScope result = new ConstructorTypeScopeWrapper(context, IVisibilityHelper.ALL, typeScope, true);
        return result;
    } else {
        throw new IllegalArgumentException("Unexpected global request for " + reference);
    }
}

Example 12 with IResourceDescriptions

use of org.eclipse.xtext.resource.IResourceDescriptions in project xtext-core by eclipse.

the class EObjectSnapshotProvider method createEObjectSnapshots.

protected Map<EObject, IEObjectSnapshot> createEObjectSnapshots(Resource resource) {
    Map<EObject, IEObjectSnapshot> result = Maps.newLinkedHashMap();
    for (IEObjectDescription desc : descriptionProvider.getEObjectDescriptions(resource)) {
        EObject obj = EcoreUtil.resolve(desc.getEObjectOrProxy(), resource);
        EObjectSnapshot snapshot = getOrCreate(result, obj);
        snapshot.descriptions.add(desc);
    }
    ResourceSet resourceSet = resource.getResourceSet();
    IResourceDescriptions descriptions = resourceDescriptionsProvider.getResourceDescriptions(resourceSet);
    URI uri = resource.getURI();
    for (IResourceDescription desc : descriptions.getAllResourceDescriptions()) {
        for (IReferenceDescription ref : desc.getReferenceDescriptions()) {
            URI targetURI = ref.getTargetEObjectUri();
            URI sourceEObjectUri = ref.getSourceEObjectUri();
            EReference reference = ref.getEReference();
            if (targetURI == null || sourceEObjectUri == null || reference == null) {
                continue;
            }
            if (!uri.equals(targetURI.trimFragment())) {
                continue;
            }
            EObject target = resource.getEObject(targetURI.fragment());
            if (target == null || target.eIsProxy()) {
                continue;
            }
            EObjectSnapshot snapshot = getOrCreate(result, target);
            ReferenceSnapshot rd = new ReferenceSnapshot(sourceEObjectUri, snapshot, reference, ref.getIndexInList(), ref.getContainerEObjectURI());
            snapshot.incomingReferences.add(rd);
        }
    }
    return result;
}

Example 13 with IResourceDescriptions

use of org.eclipse.xtext.resource.IResourceDescriptions in project xtext-core by eclipse.

the class AbstractLiveContainerTest method testContainerLoadUnload.

@Test
public void testContainerLoadUnload() throws Exception {
    ResourceSet resourceSet = new XtextResourceSet();
    Resource res = parse("local", resourceSet).eResource();
    Resource foo = resourceSet.createResource(computeUnusedUri(resourceSet));
    IResourceDescription resourceDescription = descriptionManager.getResourceDescription(res);
    IResourceDescriptions resourceDescriptions = descriptionsProvider.getResourceDescriptions(res);
    List<IContainer> containers = containerManager.getVisibleContainers(resourceDescription, resourceDescriptions);
    assertEquals(1, containers.size());
    IContainer container = containers.get(0);
    // assertEquals("local", format(container.getExportedObjects()));
    foo.load(new StringInputStream("foo"), null);
    assertEquals("foo, local", format(container.getExportedObjects()));
// foo.unload();
// assertEquals("local", format(container.getExportedObjects()));
}

Example 14 with IResourceDescriptions

use of org.eclipse.xtext.resource.IResourceDescriptions in project xtext-core by eclipse.

the class XtextValidator method checkExternalPackage.

protected void checkExternalPackage(ReferencedMetamodel metamodelReference, String importURI) {
    EPackage referencedPackage = metamodelReference.getEPackage();
    if (referencedPackage.eIsProxy() || isRuntime(metamodelReference))
        return;
    if (isRegisteredPackage(referencedPackage)) {
        addIssue("The imported package is not on the classpath of this project which may lead to follow-up errors.", metamodelReference, XtextPackage.Literals.ABSTRACT_METAMODEL_DECLARATION__EPACKAGE, INVALID_PACKAGE_REFERENCE_NOT_ON_CLASSPATH, importURI);
        return;
    }
    if (!importURI.equals(referencedPackage.getNsURI())) {
        IResourceDescriptions descriptions = resourceDescriptionsProvider.getResourceDescriptions(metamodelReference.eResource());
        Iterable<IEObjectDescription> packagesInIndex = descriptions.getExportedObjects(EcorePackage.Literals.EPACKAGE, QualifiedName.create(referencedPackage.getNsURI()), false);
        if (!Iterables.isEmpty(packagesInIndex)) {
            addIssue("Packages should be imported by their namespace URI.", metamodelReference, XtextPackage.Literals.ABSTRACT_METAMODEL_DECLARATION__EPACKAGE, INVALID_PACKAGE_REFERENCE_EXTERNAL, referencedPackage.getNsURI());
        } else if (!ClasspathUriUtil.isClasspathUri(URI.createURI(importURI))) {
            addIssue("The imported package is not on the classpath of this project which may lead to follow-up errors.", metamodelReference, XtextPackage.Literals.ABSTRACT_METAMODEL_DECLARATION__EPACKAGE, INVALID_PACKAGE_REFERENCE_NOT_ON_CLASSPATH, importURI);
            return;
        } else {
            return;
        }
    }
    Map<EObject, Collection<Setting>> allReferences = EcoreUtil.CrossReferencer.find(Collections.singletonList(referencedPackage));
    Set<Object> allReferencedInstances = Sets.newHashSet();
    for (Setting setting : Iterables.concat(allReferences.values())) {
        Object referenced = setting.get(true);
        if (allReferencedInstances.add(referenced) && referenced instanceof EObject) {
            EPackage transitive = EcoreUtil2.getContainerOfType((EObject) referenced, EPackage.class);
            if (isRegisteredPackage(transitive)) {
                if (referenced instanceof EDataType)
                    continue;
                if (referenced == EcorePackage.Literals.EOBJECT)
                    continue;
                IResourceDescriptions descriptions = resourceDescriptionsProvider.getResourceDescriptions(metamodelReference.eResource());
                Iterable<IEObjectDescription> packagesInIndex = descriptions.getExportedObjects(EcorePackage.Literals.EPACKAGE, QualifiedName.create(importURI), false);
                if (!Iterables.isEmpty(packagesInIndex)) {
                    if (setting.getEObject().eResource().getURI().isPlatformResource())
                        addIssue("The imported package refers to elements in the package registry instead of using the instances from the workspace", metamodelReference, XtextPackage.Literals.ABSTRACT_METAMODEL_DECLARATION__EPACKAGE, INVALID_PACKAGE_REFERENCE_EXTERNAL, referencedPackage.getNsURI());
                    else
                        addIssue("The imported package refers to elements in the package registry instead of using the instances from the workspace", metamodelReference, XtextPackage.Literals.ABSTRACT_METAMODEL_DECLARATION__EPACKAGE, INVALID_PACKAGE_REFERENCE_EXTERNAL);
                    return;
                } else {
                    addIssue("The imported package refers to elements that are not on the classpath of this project. The package '" + transitive.getNsURI() + "' was loaded from the registry.", metamodelReference, XtextPackage.Literals.ABSTRACT_METAMODEL_DECLARATION__EPACKAGE, INVALID_PACKAGE_REFERENCE_NOT_ON_CLASSPATH, referencedPackage.getNsURI());
                    return;
                }
            }
        }
    }
}

Example 15 with IResourceDescriptions

use of org.eclipse.xtext.resource.IResourceDescriptions in project xtext-core by eclipse.

the class ImportUriGlobalScopeProvider method getResourceDescriptions.

public IResourceDescriptions getResourceDescriptions(Resource resource, Collection<URI> importUris) {
    IResourceDescriptions result = getResourceDescriptions(resource);
    LoadOnDemandResourceDescriptions demandResourceDescriptions = loadOnDemandDescriptions.get();
    demandResourceDescriptions.initialize(result, importUris, resource);
    return demandResourceDescriptions;
}