Examples with EClass org.eclipse.emf.ecore.EClass used on opensource projects

Example 11 with EClass

use of org.eclipse.emf.ecore.EClass in project xtext-core by eclipse.

the class ConcreteSyntaxConstraintProvider method createElement.

protected ISyntaxConstraint createElement(EObject obj) {
    if (!(obj instanceof AbstractElement))
        return null;
    AbstractElement ele = (AbstractElement) obj;
    boolean multiple = false;
    boolean optional = false;
    EClass semanticType = null;
    while (true) {
        multiple = multiple || isMultipleCardinality(ele);
        optional = optional || isOptionalCardinality(ele);
        if (ele.eContainer() instanceof ParserRule && ((ParserRule) ele.eContainer()).getType().getClassifier() instanceof EClass)
            semanticType = (EClass) ((ParserRule) ele.eContainer()).getType().getClassifier();
        if (ele instanceof Assignment) {
            return createElement(ConstraintType.ASSIGNMENT, ele, semanticType, multiple, optional);
        } else if (ele instanceof Group || ele instanceof UnorderedGroup) {
            CompoundElement comp = (CompoundElement) ele;
            AbstractElement lastChild = null;
            for (AbstractElement o : comp.getElements()) if (containsRelevantElement(o)) {
                if (lastChild == null)
                    lastChild = o;
                else {
                    List<AbstractElement> c = new ArrayList<AbstractElement>(comp.getElements());
                    List<ISyntaxConstraint> e = createSummarizedAssignments(comp, c, semanticType, optional);
                    if (e.size() == 1 && c.size() == 0)
                        return e.get(0);
                    return createElement(ConstraintType.GROUP, ele, c, e, semanticType, multiple, optional);
                }
            }
            if (lastChild == null)
                return null;
            ele = lastChild;
            continue;
        } else if (ele instanceof Alternatives) {
            int relevantChildren = 0;
            AbstractElement lastChild = null;
            for (AbstractElement o : ((CompoundElement) ele).getElements()) if (containsRelevantElement(o)) {
                relevantChildren++;
                lastChild = o;
            }
            if (relevantChildren < ((CompoundElement) ele).getElements().size())
                optional = true;
            if (relevantChildren > 1)
                return createElement(ConstraintType.ALTERNATIVE, ele, semanticType, multiple, optional);
            if (lastChild == null)
                return null;
            ele = lastChild;
            continue;
        } else if (ele instanceof Action) {
            semanticType = (EClass) ((Action) ele).getType().getClassifier();
            return createElement(ConstraintType.ACTION, ele, semanticType, multiple, optional);
        } else if (ele instanceof RuleCall) {
            AbstractRule rule = ((RuleCall) ele).getRule();
            if (rule.getType().getClassifier() instanceof EClass) {
                ele = rule.getAlternatives();
                continue;
            }
        }
        return null;
    }
}

Example 12 with EClass

use of org.eclipse.emf.ecore.EClass in project xtext-core by eclipse.

the class EClassifierInfos method getSuperTypeInfos.

public List<EClassInfo> getSuperTypeInfos(EClassInfo subTypeInfo) throws UnexpectedClassInfoException {
    List<EClassInfo> result = new ArrayList<EClassInfo>();
    List<EClass> superTypes = subTypeInfo.getEClass().getESuperTypes();
    for (int i = 0; i < superTypes.size(); i++) {
        EClass superType = superTypes.get(i);
        if (superType.eIsProxy()) {
            URI proxyURI = EcoreUtil.getURI(superType);
            if (proxyURI.isPlatformResource()) {
                String platformString = proxyURI.toPlatformString(true);
                URI platformPluginURI = URI.createPlatformPluginURI(platformString, true).appendFragment(proxyURI.fragment());
                EObject secondAttempt = subTypeInfo.getEClass().eResource().getResourceSet().getEObject(platformPluginURI, true);
                if (secondAttempt instanceof EClass) {
                    superType = (EClass) secondAttempt;
                    superTypes.set(i, superType);
                }
            }
        }
        EClassifierInfo info = getInfoOrNull(superType);
        if (info != null) {
            if (info instanceof EClassInfo) {
                result.add((EClassInfo) info);
            } else {
                throw new UnexpectedClassInfoException(TransformationErrorCode.InvalidSupertype, subTypeInfo, info, null);
            }
        } else {
            if (superType.eIsProxy()) {
                throw new UnexpectedClassInfoException(TransformationErrorCode.InvalidSupertype, subTypeInfo, null, "Cannot load all supertypes of  '" + subTypeInfo.getEClass().getName() + "'");
            } else if (isPackageKnown(superType.getEPackage().getNsURI())) {
                throw new UnexpectedClassInfoException(TransformationErrorCode.InvalidSupertype, subTypeInfo, null, "Cannot find info for type '" + superType.getName() + "'");
            }
        }
    }
    return result;
}

Example 13 with EClass

use of org.eclipse.emf.ecore.EClass in project xtext-core by eclipse.

the class TypeHierarchyHelper method pushFeaturesUp.

private void pushFeaturesUp(EClassInfo info, Collection<EClass> traversedClasses) {
    EClass eClass = info.getEClass();
    if (info.isGenerated()) {
        if (traversedClasses.add(eClass)) {
            if (eClass.getESuperTypes().isEmpty())
                return;
            for (EClass superType : eClass.getESuperTypes()) {
                EClassInfo superInfo = (EClassInfo) infos.getInfoOrNull(superType);
                pushFeaturesUp(superInfo, traversedClasses);
            }
            Map<String, EStructuralFeature> allFeatures = Maps.newLinkedHashMap();
            Set<String> skippedNames = Sets.newLinkedHashSet();
            for (EStructuralFeature feature : eClass.getEAllStructuralFeatures()) {
                if (feature.getEContainingClass() != eClass) {
                    if (allFeatures.containsKey(feature.getName())) {
                        allFeatures.remove(feature.getName());
                    } else if (skippedNames.add(feature.getName())) {
                        allFeatures.put(feature.getName(), feature);
                    }
                }
            }
            Iterator<EStructuralFeature> iter = eClass.getEStructuralFeatures().iterator();
            while (iter.hasNext()) {
                EStructuralFeature declared = iter.next();
                EStructuralFeature existing = allFeatures.get(declared.getName());
                if (existing != null) {
                    EClassifier compatibleType = EcoreUtil2.getCompatibleType(declared.getEType(), existing.getEType(), grammar);
                    if (compatibleType != null) {
                        iter.remove();
                        existing.setEType(compatibleType);
                    }
                }
            }
        }
    }
}

Example 14 with EClass

use of org.eclipse.emf.ecore.EClass in project xtext-core by eclipse.

the class TypeHierarchyHelper method getCommonDirectFeatures.

private Collection<EStructuralFeature> getCommonDirectFeatures(Collection<EClassInfo> infos) {
    Collection<EStructuralFeature> result = Sets.newLinkedHashSet();
    Iterator<EClassInfo> iterator = infos.iterator();
    if (iterator.hasNext()) {
        EClass eClass = iterator.next().getEClass();
        result.addAll(eClass.getEStructuralFeatures());
    }
    while (iterator.hasNext()) result = getCommonFeatures(iterator.next(), result);
    return result;
}

Example 15 with EClass

use of org.eclipse.emf.ecore.EClass in project xtext-core by eclipse.

the class OnChangeEvictingCacheAdapterTest method testAdapterIsCleared.

@Test
public void testAdapterIsCleared() throws Exception {
    EcoreFactory factory = EcoreFactory.eINSTANCE;
    EClass eClass = factory.createEClass();
    Resource resource = new ResourceImpl();
    resource.getContents().add(eClass);
    CacheAdapter ca = new OnChangeEvictingCache().getOrCreate(resource);
    setValue(ca);
    EAttribute attribute = factory.createEAttribute();
    assertIsSet(ca);
    eClass.getEStructuralFeatures().add(attribute);
    assertIsNull(ca);
    setValue(ca);
    attribute.setName("Foo");
    assertIsNull(ca);
    setValue(ca);
}