Examples with N4JSProjectConfigSnapshot org.eclipse.n4js.workspace.N4JSProjectConfigSnapshot used on opensource projects

Example 36 with N4JSProjectConfigSnapshot

use of org.eclipse.n4js.workspace.N4JSProjectConfigSnapshot 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 implementation 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, N4JSPackageName implementationID, final boolean includePolyfills) {
    Resource resource = module.eResource();
    N4JSWorkspaceConfigSnapshot wc = workspaceAccess.getWorkspaceConfig(resource);
    N4JSProjectConfigSnapshot project = workspaceAccess.findProjectContaining(resource);
    if (project == null) {
        return null;
    }
    N4JSProjectConfigSnapshot implProject = null;
    N4JSProjectConfigSnapshot apiProject = null;
    TModule apiModule = null;
    TModule apiImplModule = null;
    if (project.getImplementationId() == null) {
        // this is NOT an implementation project, so assume we have the api
        // need to load the correct implementation. Since there might be multiple implementors
        ApiImplMapping mapping = ApiImplMapping.of(wc);
        implProject = mapping.getImpl(project.getN4JSPackageName(), 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 = workspaceAccess.getXtextIndex(module).orNull();
            IResourceDescription resourceDescription = xtextIndex != null ? xtextIndex.getResourceDescription(impUri) : null;
            if (resourceDescription != null) {
                apiImplModule = workspaceAccess.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(new N4JSPackageName(project.getImplementationId()))) {
            implProject = project;
            apiImplModule = module;
            List<N4JSProjectConfigSnapshot> apiProjects = new ArrayList<>();
            for (ProjectReference apiProjectRef : implProject.getProjectDescription().getImplementedProjects()) {
                N4JSProjectConfigSnapshot currApiProject = wc.findProjectByID(apiProjectRef.getPackageName());
                if (currApiProject != null) {
                    apiProjects.add(currApiProject);
                }
            }
            labelA: for (N4JSProjectConfigSnapshot ap : apiProjects) {
                URI apiURI = artifactHelper.findArtifact(ap, apiImplModule.getQualifiedName(), Optional.of(N4JSGlobals.N4JSD_FILE_EXTENSION));
                if (apiURI != null) {
                    IResourceDescriptions xtextIndex = workspaceAccess.getXtextIndex(apiImplModule).orNull();
                    IResourceDescription resourceDescription = xtextIndex.getResourceDescription(apiURI);
                    if (resourceDescription != null) {
                        apiModule = workspaceAccess.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 37 with N4JSProjectConfigSnapshot

use of org.eclipse.n4js.workspace.N4JSProjectConfigSnapshot in project n4js by eclipse.

the class ProjectCompareHelper method createEntries.

// may be made public later
private ProjectComparisonEntry createEntries(ProjectComparison root, N4JSProjectConfigSnapshot api, N4JSProjectConfigSnapshot[] impls, ResourceSet resourceSet, IResourceDescriptions index) {
    final ProjectComparisonEntry entry = new ProjectComparisonEntry(root, api, impls);
    for (N4JSSourceFolderSnapshot currSrcFolder : api.getSourceFolders()) {
        for (URI uri : currSrcFolder.getContents()) {
            final String uriStr = uri.toString();
            if (uriStr.endsWith("." + N4JSGlobals.N4JS_FILE_EXTENSION) || uriStr.endsWith("." + N4JSGlobals.N4JSD_FILE_EXTENSION)) {
                final IResourceDescription resDesc = index.getResourceDescription(uri);
                final TModule moduleApi = getModuleFrom(resourceSet, resDesc);
                if (moduleApi != null) {
                    final TModule[] moduleImpls = new TModule[impls.length];
                    for (int idx = 0; idx < impls.length; idx++) {
                        final N4JSProjectConfigSnapshot projectImpl = impls[idx];
                        if (projectImpl != null)
                            moduleImpls[idx] = findImplementation(moduleApi, projectImpl, resourceSet, index);
                        else
                            moduleImpls[idx] = null;
                    }
                    createEntries(entry, -1, moduleApi, moduleImpls, false);
                }
            }
        }
    }
    return entry;
}

Example 38 with N4JSProjectConfigSnapshot

use of org.eclipse.n4js.workspace.N4JSProjectConfigSnapshot in project n4js by eclipse.

the class ProjectCompareHelper method getImplementationID.

/**
 * Retrieves the implementation ID for an implementor of some API
 *
 * @param apiImplModule
 *            the implementor
 * @return implementation ID if applicable - unset if the parameter is not implementing an API or is itself from an
 *         API definition.
 */
public Optional<N4JSPackageName> getImplementationID(TModule apiImplModule) {
    N4JSProjectConfigSnapshot implProject = workspaceAccess.findProjectContaining(apiImplModule);
    String implId = implProject != null ? implProject.getImplementationId() : null;
    return implId != null ? Optional.of(new N4JSPackageName(implId)) : Optional.absent();
}

Example 39 with N4JSProjectConfigSnapshot

use of org.eclipse.n4js.workspace.N4JSProjectConfigSnapshot in project n4js by eclipse.

the class ProjectCompareHelper method createComparison.

/**
 * First step in comparing API and implementation projects. This method will collect all API projects, the types
 * declared there and their members and relate them to the corresponding types and members in all available
 * implementation projects.
 * <p>
 * The second step of comparison is to compare an individual type/member to a corresponding type/member of a
 * particular implementation via method {@link #compareApiImpl(ProjectComparisonEntry, int)}.
 * <p>
 * Usually, this second step is performed lazily when method <code>#compareApiImpl()</code> is invoked; however, by
 * setting <code>fullCompare</code> to <code>true</code>, this is performed up-front here causing all results to be
 * stored in a cache in the entries, and then subsequent calls to <code>#compareApiImpl()</code> will just read from
 * that cache.
 * <p>
 * Returns <code>null</code> in case of error and adds human-readable error messages to the given list.
 */
public ProjectComparison createComparison(boolean fullCompare, List<String> addErrorMessagesHere) {
    final ResourceSet resourceSet = workspaceAccess.createResourceSet();
    final N4JSWorkspaceConfigSnapshot wc = workspaceAccess.getWorkspaceConfig(resourceSet);
    final IResourceDescriptions index = workspaceAccess.getXtextIndex(resourceSet).orNull();
    if (index == null) {
        addErrorMessagesHere.add("failed to create a new resource set with properly configured workspace configuration and index");
        return null;
    }
    final ApiImplMapping mapping = ApiImplMapping.of(wc);
    if (mapping.hasErrors()) {
        if (addErrorMessagesHere != null)
            addErrorMessagesHere.addAll(mapping.getErrorMessages());
        return null;
    }
    final List<N4JSPackageName> allImplIds = mapping.getAllImplIds();
    final int implCount = allImplIds.size();
    final ProjectComparison root = new ProjectComparison(allImplIds.toArray(new N4JSPackageName[implCount]));
    for (N4JSPackageName currApiId : mapping.getApiIds()) {
        final N4JSProjectConfigSnapshot currApi = mapping.getApi(currApiId);
        final N4JSProjectConfigSnapshot[] currImpls = new N4JSProjectConfigSnapshot[implCount];
        for (int idx = 0; idx < implCount; idx++) {
            final N4JSPackageName currImplId = allImplIds.get(idx);
            currImpls[idx] = mapping.getImpl(currApiId, currImplId);
        }
        createEntries(root, currApi, currImpls, resourceSet, index);
    }
    // compare all implementations in all entries and store in cache (if requested)
    if (fullCompare) {
        root.getAllEntries().forEach(currE -> {
            for (int implIdx = 0; implIdx < implCount; implIdx++) compareApiImpl(currE, implIdx);
        });
    }
    return root;
}

Example 40 with N4JSProjectConfigSnapshot

use of org.eclipse.n4js.workspace.N4JSProjectConfigSnapshot in project n4js by eclipse.

the class ApiImplMapping method put.

/**
 * Add a single API -> implementation association to the receiving mapping (if it is not present already).
 */
public void put(N4JSProjectConfigSnapshot api, N4JSProjectConfigSnapshot impl) {
    final N4JSPackageName apiId = api.getN4JSPackageName();
    if (apiId == null)
        // just ignore (complaining about this problem is not our business)
        return;
    final String implIdStr = impl.getImplementationId();
    final N4JSPackageName implId = implIdStr != null ? new N4JSPackageName(implIdStr) : null;
    if (implId == null) {
        projectsWithUndefImplIds.add(impl);
        return;
    }
    ApiImplMapping.ApiImplAssociation assoc = assocs.get(apiId);
    if (assoc == null) {
        assoc = new ApiImplAssociation(api);
        assocs.put(apiId, assoc);
    }
    final N4JSProjectConfigSnapshot replaced = assoc.putImpl(impl);
    if (replaced != null && !Objects.equals(replaced, impl)) {
        // ooops! we have several projects defining an implementation for project 'api' with the same
        // implementation id -> remember them!
        putConflict(apiId, implId, replaced, impl);
    }
}