Examples with IScope org.eclipse.xtext.scoping.IScope used on opensource projects

Example 21 with IScope

use of org.eclipse.xtext.scoping.IScope in project statecharts by Yakindu.

the class SGenScopeProvider method scope_GeneratorEntry_elementRef.

protected IScope scope_GeneratorEntry_elementRef(final EObject context, final EReference reference) {
    GeneratorModel generatorModel = (GeneratorModel) EcoreUtil2.getRootContainer(context);
    String id = generatorModel.getGeneratorId();
    final IGeneratorDescriptor desc = GeneratorExtensions.getGeneratorDescriptor(id);
    if (desc == null)
        return IScope.NULLSCOPE;
    final String elementRefType = desc.getElementRefType();
    IScope scope = new FilteringScope(getDelegate().getScope(context, reference), new Predicate<IEObjectDescription>() {

        public boolean apply(IEObjectDescription input) {
            EList<EClass> allSuperTypes = input.getEClass().getESuperTypes();
            for (EClass eClass : allSuperTypes) {
                if (elementRefType.equals(eClass.getInstanceClassName()))
                    return true;
            }
            return elementRefType.equals(input.getEClass().getInstanceClassName());
        }
    });
    return new SimpleScope(scope.getAllElements());
}

Example 22 with IScope

use of org.eclipse.xtext.scoping.IScope in project statecharts by Yakindu.

the class STextGlobalScopeProvider method getScope.

public IScope getScope(Resource context, EReference reference, Predicate<IEObjectDescription> filter) {
    IScope parentScope = super.getScope(context, reference, filter);
    parentScope = new SimpleScope(parentScope, filterPropertiesOfLibrary(context, reference, filter).getAllElements());
    final Statechart statechart = getStatechart(context);
    parentScope = new TypeSystemAwareScope(parentScope, typeSystem, qualifiedNameProvider, reference.getEReferenceType());
    IScope result = new FilteringScope(parentScope, new Predicate<IEObjectDescription>() {

        @Override
        public boolean apply(IEObjectDescription input) {
            String userData = input.getUserData(DomainRegistry.DOMAIN_ID);
            if (userData == null)
                return true;
            return statechart.getDomainID().equals(userData);
        }
    });
    result = filterAnnotations(reference, result);
    return new FilteringScope(result, input -> {
        String isVisible = input.getUserData(TypedResourceDescriptionStrategy.IS_VISIBLE_TYPE);
        return isVisible == null || Boolean.valueOf(isVisible);
    });
}

Example 23 with IScope

use of org.eclipse.xtext.scoping.IScope in project statecharts by Yakindu.

the class STextGlobalScopeProvider method getScope.

/**
 * Overidden to avoid scope nesting which is not required and slows down because
 * of shadowing testing.
 */
@Override
protected IScope getScope(Resource resource, boolean ignoreCase, EClass type, Predicate<IEObjectDescription> filter) {
    final LinkedHashSet<URI> uniqueImportURIs = getImportedUris(resource);
    IResourceDescriptions descriptions = getResourceDescriptions(resource, uniqueImportURIs);
    List<URI> urisAsList = Lists.newArrayList(uniqueImportURIs);
    Collections.reverse(urisAsList);
    List<IEObjectDescription> objectDescriptions = new ArrayList<IEObjectDescription>();
    for (URI uri : urisAsList) {
        IScope scope = createLazyResourceScope(IScope.NULLSCOPE, uri, descriptions, type, filter, ignoreCase);
        Iterables.addAll(objectDescriptions, scope.getAllElements());
    }
    return MapBasedScope.createScope(IScope.NULLSCOPE, objectDescriptions);
}

Example 24 with IScope

use of org.eclipse.xtext.scoping.IScope in project statecharts by Yakindu.

the class STextScopeProvider method scope_ElementReferenceExpression_reference.

public IScope scope_ElementReferenceExpression_reference(final EObject context, EReference reference) {
    IScope namedScope = getNamedTopLevelScope(context, reference);
    IScope unnamedScope = getUnnamedTopLevelScope(context, reference);
    Predicate<IEObjectDescription> predicate = calculateFilterPredicate(context, reference);
    unnamedScope = new FilteringScope(unnamedScope, predicate);
    return new SimpleScope(unnamedScope, namedScope.getAllElements());
}

Example 25 with IScope

use of org.eclipse.xtext.scoping.IScope in project statecharts by Yakindu.

the class STextScopeProvider method scope_ActiveStateReferenceExpression_value.

public IScope scope_ActiveStateReferenceExpression_value(EObject context, EReference reference) {
    Statechart statechart = getStatechart(context);
    if (statechart == null)
        return IScope.NULLSCOPE;
    List<State> allStates = EcoreUtil2.getAllContentsOfType(statechart, State.class);
    IScope scope = Scopes.scopeFor(allStates, nameProvider, IScope.NULLSCOPE);
    return new ImportScope(getActiveStateNormalizer(context), scope, new EObjectDescriptionLookUp(Lists.newArrayList(scope.getAllElements())), reference.getEReferenceType(), false);
}