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

Example 6 with IResourceDescriptions

use of org.eclipse.xtext.resource.IResourceDescriptions in project n4js by eclipse.

the class PolyfillValidatorFragment method holdsSinglePolyfillSource.

/**
 * Constraints 129 (Applying Polyfills) No member must be filled by more than one polyfill.
 */
private boolean holdsSinglePolyfillSource(PolyfillValidationState state) {
    EList<TMember> myPolyMember = state.polyType.getOwnedMembers();
    // a) find references to the filled type
    // b) check, that they are in the same Project
    // c) search for clashing contributions.
    XtextResource res = (XtextResource) state.polyType.eResource();
    IResourceDescriptions index = resourceDescriptionsProvider.getResourceDescriptions(res);
    // a+b) all polyfills to same calssifier in same project:
    IContainer container = containerManager.getContainer(res.getResourceServiceProvider().getResourceDescriptionManager().getResourceDescription(res), index);
    // Iterable over all exported Polyfills
    Iterable<IEObjectDescription> iterEObj = container.getExportedObjects(TypesPackage.Literals.TCLASSIFIER, N4TSQualifiedNameProvider.getPolyfillFQN(state.filledType, qualifiedNameProvider), false);
    // collection of involved TModules for each Member.
    ListMultimap<TMember, TModule> clashProviders = LinkedListMultimap.create();
    for (IEObjectDescription pivotObjectDescription : iterEObj) {
        EObject eob = pivotObjectDescription.getEObjectOrProxy();
        // Resolve
        if (eob.eIsProxy()) {
            eob = EcoreUtil.resolve(eob, res);
        }
        if (eob == state.polyType) {
            // saw myself .-.
            continue;
        }
        EList<TMember> pivotPolyMember = ((TClassifier) eob).getOwnedMembers();
        ListMultimap<TMember, TMember> clashing = findClashingMembersByName(myPolyMember, pivotPolyMember);
        for (TMember myMember : clashing.keySet()) {
            // only interested in the module, so first is sufficient
            clashProviders.put(myMember, clashing.get(myMember).get(0).getContainingModule());
        }
    }
    List<TMember> sortedMembers = clashProviders.keySet().stream().sorted().collect(Collectors.toList());
    for (TMember myMember : sortedMembers) {
        // Combine list of Modules involved in the polyfill clash.
        String uris = Stream.concat(Stream.of(myMember.getContainingModule()), clashProviders.get(myMember).stream()).map(u -> u.getQualifiedName().toString()).sorted().reduce("", (a, b) -> a + PREFIX_LIST + b);
        if (uris.startsWith(PREFIX_LIST))
            uris = uris.substring(PREFIX_LIST.length());
        int lastPrefix_idx = uris.lastIndexOf(PREFIX_LIST);
        if (lastPrefix_idx >= 0) {
            StringBuffer sb = new StringBuffer(uris);
            uris = sb.replace(lastPrefix_idx, lastPrefix_idx + PREFIX_LIST.length(), " and ").toString();
        }
        // give Qualified name filled in Property.
        String memberAxis = myMember.getContainingType().getName() + "." + myMember.getName();
        // Issue on filled Member-name declaration:
        String msg = IssueCodes.getMessageForCLF_POLYFILL_MULTIPOLYFILLS_MEMBER_CONFLICT(uris, memberAxis);
        state.host.addIssue(msg, myMember.getAstElement(), N4JSPackage.Literals.PROPERTY_NAME_OWNER__DECLARED_NAME, IssueCodes.CLF_POLYFILL_MULTIPOLYFILLS_MEMBER_CONFLICT);
    }
    return true;
}

Example 7 with IResourceDescriptions

use of org.eclipse.xtext.resource.IResourceDescriptions in project n4js by eclipse.

the class FindReferenceHelper method findReferences.

/**
 * @return all references to the given declaration. Respect editor states.
 */
public List<EObject> findReferences(EObject declaration) {
    declaration = getDeclaration(declaration);
    TargetURIs targets = getTargets(declaration);
    Resource eResource = declaration.eResource();
    SimpleResourceAccess resourceAccess = new SimpleResourceAccess(eResource.getResourceSet());
    IResourceDescriptions index = resourceDescriptionsProvider.getResourceDescriptions(eResource);
    ReferenceAcceptor acceptor = new ReferenceAcceptor();
    referenceFinder.findAllReferences(targets, resourceAccess, index, acceptor, null);
    return acceptor.results;
}

Example 8 with IResourceDescriptions

use of org.eclipse.xtext.resource.IResourceDescriptions in project n4js by eclipse.

the class ProjectCompareHelper method compareModules.

/**
 * Get the comparison for a module in a specific implementation specified by it's ID.
 *
 * @param module
 *            can be either Implementation or API
 * @param implementationID
 *            the current context to compare with
 *
 * @param includePolyfills
 *            {@code true} if polyfills should be considered as the part of the API and the implementation.
 *            Otherwise {@code false}.
 * @return a comparison between API and implementation with implementationID, or <code>null</code> if no project
 *         could be found, the module is not part of an API/IMPL ...
 */
public ProjectComparisonEntry compareModules(TModule module, String implementationID, final boolean includePolyfills) {
    Optional<? extends IN4JSProject> opt = n4jsCore.findProject(module.eResource().getURI());
    if (!opt.isPresent()) {
        return null;
    }
    IN4JSProject project = opt.get();
    IN4JSProject implProject = null;
    IN4JSProject apiProject = null;
    TModule apiModule = null;
    TModule apiImplModule = null;
    if (!project.getImplementationId().isPresent()) {
        // this is NOT an implementation project, so assume we have the api
        // need to load the correct implementation. Since there might be multiple implementors
        // TODO replace with central instance
        final ApiImplMapping mapping = ApiImplMapping.of(n4jsCore);
        implProject = mapping.getImpl(project.getProjectId(), implementationID);
        if (implProject == null) {
            // no implementation found.
            return null;
        }
        apiProject = project;
        apiModule = module;
        URI impUri = artifactHelper.findArtifact(implProject, apiModule.getQualifiedName(), Optional.of(N4JSGlobals.N4JS_FILE_EXTENSION));
        if (impUri != null) {
            IResourceDescriptions xtextIndex = n4jsCore.getXtextIndex(module.eResource().getResourceSet());
            IResourceDescription resourceDescription = xtextIndex.getResourceDescription(impUri);
            if (resourceDescription != null) {
                apiImplModule = n4jsCore.loadModuleFromIndex(module.eResource().getResourceSet(), resourceDescription, false);
            } else {
                if (logger.isDebugEnabled()) {
                    logger.debug("...ouch nothing in index for " + impUri);
                }
                Resource implResource = module.eResource().getResourceSet().getResource(impUri, true);
                apiImplModule = (TModule) implResource.getContents().get(1);
                // .get(1);
                if (logger.isDebugEnabled()) {
                    logger.debug("TModule loaded from Resource: " + apiImplModule);
                }
            }
        } else {
            // No implementation present.
            if (logger.isDebugEnabled()) {
                logger.debug("No implementation given. For " + apiModule.getQualifiedName());
            }
        }
    } else {
        // check that the implementation ID matches.
        if (implementationID.equals(project.getImplementationId().get())) {
            implProject = project;
            apiImplModule = module;
            ImmutableList<? extends IN4JSProject> apiProjects = implProject.getImplementedProjects();
            labelA: for (IN4JSProject ap : apiProjects) {
                URI apiURI = artifactHelper.findArtifact(ap, apiImplModule.getQualifiedName(), Optional.of(N4JSGlobals.N4JSD_FILE_EXTENSION));
                if (apiURI != null) {
                    IResourceDescriptions xtextIndex = n4jsCore.getXtextIndex(apiImplModule.eResource().getResourceSet());
                    IResourceDescription resourceDescription = xtextIndex.getResourceDescription(apiURI);
                    if (resourceDescription != null) {
                        apiModule = n4jsCore.loadModuleFromIndex(apiImplModule.eResource().getResourceSet(), resourceDescription, false);
                        if (apiModule != null)
                            break labelA;
                    }
                }
            }
        } else {
            return null;
        }
    }
    if (apiModule != null) {
        return compareModules(apiProject, apiModule, implProject, apiImplModule, includePolyfills);
    } else {
        // no apiModule --> this is not an implementation of API.
        return null;
    }
}

Example 9 with IResourceDescriptions

use of org.eclipse.xtext.resource.IResourceDescriptions in project n4js by eclipse.

the class TestDiscoveryHelper method collectTestLocations.

/**
 * Most clients should use method {@link #collectTests(URI...)} instead!
 * <p>
 * Low-level method to collect all test modules, i.e. N4JS files containing classes containing at least one method
 * annotated with &#64;Test, as {@link IResourceDescription}s.
 */
private Stream<URI> collectTestLocations(final IResourceDescriptions index, final ResourceSet resSet, final URI location) {
    if (null == location) {
        return Stream.empty();
    }
    // does location point to an N4JS project?
    if (isProject(location)) {
        // yes
        // --> collect all test modules (files containing test classes) located in source containers of type "test"
        final IN4JSProject p = n4jsCore.create(location);
        return p.getSourceContainers().stream().filter(IN4JSSourceContainer::isTest).flatMap(// note: IN4JSSourceContainer is an Iterable<URI>
        TestDiscoveryHelper::stream).filter(// filter out everything but N4JS files.
        uri -> isTestFile(uri)).filter(uri -> isTestModule(resSet, index.getResourceDescription(uri)));
    }
    // does location point to an n4js file?
    final IResourceDescription resDesc = index.getResourceDescription(location.trimFragment());
    if (resDesc != null) {
        // yes --> is it a test module? (i.e. does it contain test classes and the class is not abstract?)
        if (isTestModule(resSet, resDesc)) {
            // yes --> is it contained in a source container of type "test"?
            final IN4JSSourceContainer srcContainer = n4jsCore.findN4JSSourceContainer(location.trimFragment()).orNull();
            if (srcContainer != null && srcContainer.isTest()) {
                // return location with fragment! (if any)
                return Stream.of(location);
            }
        }
        return Stream.empty();
    }
    // does location point to a source container (or sub-folder)?
    final IN4JSSourceContainer srcContainer = n4jsCore.findN4JSSourceContainer(location).orNull();
    if (srcContainer != null) {
        // yes --> is this a source container of type "test"?
        if (srcContainer.isTest()) {
            // yes --> collect all test modules (files containing test classes) in this source container
            final String locationStr = location.toString();
            return // note: IN4JSSourceContainer is an Iterable<URI>
            stream(srcContainer).filter(// TODO improve?
            uri -> uri.toString().startsWith(locationStr)).filter(uri -> isTestModule(resSet, index.getResourceDescription(uri)));
        }
        return Stream.empty();
    }
    // invalid location URI
    return Stream.empty();
}

Example 10 with IResourceDescriptions

use of org.eclipse.xtext.resource.IResourceDescriptions 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);
}