@NotNull
public static Set<SModuleReference> getModules(SRepository repository, final Library library) {
if (!ModuleLibraryType.isModuleLibrary(library)) {
return Collections.emptySet();
}
final Set<SModuleReference> modules = new HashSet<SModuleReference>();
final Set<IFile> moduleXmls = new HashSet<IFile>();
for (VirtualFile file : library.getFiles(ModuleXmlRootDetector.MPS_MODULE_XML)) {
moduleXmls.add(VirtualFileUtils.toIFile(file));
}
repository
.getModelAccess()
.runReadAction(
new Runnable() {
@Override
public void run() {
for (IFile moduleDescriptor : moduleXmls) {
SModule moduleByFile =
ModuleFileTracker.getInstance().getModuleByFile(moduleDescriptor);
if (moduleByFile != null) {
modules.add(moduleByFile.getModuleReference());
}
}
}
});
return modules;
}
@Override
public SModel resolve(SRepository repo) {
if (myModuleReference != null) {
final SRepository repository;
if (repo == null) {
// see StaticReference, which seems to be the only place we pass null as repository
repository = MPSModuleRepository.getInstance();
} else {
repository = repo;
}
Computable<SModel> c =
new Computable<SModel>() {
@Override
public SModel compute() {
SModule module = repository.getModule(myModuleReference.getModuleId());
if (module == null) {
return null;
}
return module.getModel(myModelId);
}
};
if (!repository.getModelAccess().canRead()) {
LOG.warn(
"Attempt to resolve a model not from read action. What are you going to do with return value? Hint: at least, read. Please ensure proper model access then.",
new Throwable());
return new ModelAccessHelper(repository).runReadAction(c);
} else {
return c.compute();
}
}
// FIXME !!! use supplied SRepository, not global model repo !!!
// If there's no module reference, and model id is global, it's supposed we shall get the model
// from a global repository.
// However, at the moment, there's no easy way to get model from SRepository (other than to
// iterate over all modules and models,
// which doesn't sound like a good approach). Either shall provide method to find model from
// SRepository, or drop
// 'globally unique' model id altogether. What's the benefit of them?
// NOTE, shall tolerate null repo unless every single piece of code that expects StaticReference
// of a newly created node
// hanging in the air to resolve. @see StaticReference#getTargetSModel
return SModelRepository.getInstance().getModelDescriptor(this);
}
private SNode getNode(AbstractTreeNode treeNode) {
if (!(treeNode instanceof MPSPsiElementTreeNode)) {
return null;
}
MPSPsiNodeBase psiNode = ((MPSPsiElementTreeNode) treeNode).getValue();
if (!(psiNode instanceof MPSPsiRealNode)) {
return null;
}
final SNodeReference nodeRef = ((MPSPsiRealNode) psiNode).getSNodeReference();
final SRepository repository = ProjectHelper.getProjectRepository(treeNode.getProject());
// TODO remove read action from here once SModelFileTracker stops doing the same (creating read
// action if not already in one)
return new ModelComputeRunnable<SNode>(
new Computable<SNode>() {
@Override
public SNode compute() {
return nodeRef.resolve(repository);
}
})
.runRead(repository.getModelAccess());
}
/**
* Returns whether the given node belongs to the repository (or to one of its parent
* repositories).
*/
public static boolean isAccessible(@NotNull SNode node, @NotNull SRepository inRepository) {
SModel model = node.getModel();
if (model == null) return false;
SRepository mrep = model.getRepository();
if (mrep == null) return false;
mrep.getModelAccess().checkReadAccess();
if (inRepository == mrep) {
return true;
}
// FIXME this is a hack to deal with incomplete story of repository relationship.
// We have at least two repositories, ProjectRepository and MPSModuleRepository, and with
// repository.getParent() dropped, there are no chance
// to figure out node coming from MPSModuleRepository is visible in ProjectRepository
// (EditorComponent.editNode() passes here project's repository
// but node might come from an MPSModuleRepository (e.g. temp node from console), and they don't
// match.
// Here, assume node is accessible even if repositories are different if its module is identical
// in both.
inRepository.getModelAccess().checkReadAccess();
return model.getModule() == inRepository.getModule(model.getModule().getModuleId());
}
/**
* recounting the status map
*
* @see #isChanged()
*/
private void recountStatus() {
if (!isChanged()) return;
myRepository
.getModelAccess()
.runReadAction(
new Runnable() {
@Override
public void run() {
if (!isChanged()) return;
LOG.debug("Recount status map for modules");
boolean updated = myModuleUpdater.refreshGraph();
Collection<SModuleReference> invalidModules = findInvalidModules();
updated |= (!invalidModules.equals(myCurrentInvalidModules));
if (updated) {
myCurrentInvalidModules = invalidModules;
refillStatusMap(invalidModules);
}
}
});
}
@NotNull
private Collection<SModuleReference> findInvalidModules0(boolean errorLevel) {
myRepository.getModelAccess().checkReadAccess();
Map<ReloadableModule, AbsentDependencyException> modulesWithAbsentDeps =
myModuleUpdater.getModulesWithAbsentDeps();
Collection<SModuleReference> result = new HashSet<SModuleReference>();
Collection<? extends SModuleReference> allModuleRefs = getAllModules();
for (SModuleReference mRef : allModuleRefs) {
if (!result.contains(mRef)) {
String msg = getModuleProblemMessage(mRef, modulesWithAbsentDeps);
if (msg == null) {
continue;
}
if (errorLevel) LOG.error(msg);
else LOG.debug(msg);
result.add(mRef);
}
}
return result;
}
@Override
public void doExecute(@NotNull final AnActionEvent event, final Map<String, Object> _params) {
List<SModel> m = ((List<SModel>) MapSequence.fromMap(_params).get("models"));
final Iterable<SModel> seq =
ListSequence.fromList(m)
.where(
new IWhereFilter<SModel>() {
public boolean accept(SModel it) {
return !(it.isReadOnly()) && it.getSource() instanceof FileDataSource;
}
});
final SRepository repo =
((MPSProject) MapSequence.fromMap(_params).get("project")).getRepository();
final FolderModelFactory filePerRootFactory =
PersistenceRegistry.getInstance().getFolderModelFactory("file-per-root");
repo.getModelAccess()
.runWriteAction(
new Runnable() {
public void run() {
// see MPS-18743
repo.saveAll();
for (SModel smodel : Sequence.fromIterable(seq)) {
IFile oldFile = ((FileDataSource) smodel.getSource()).getFile();
ModelRoot modelRoot = smodel.getModelRoot();
if (!(modelRoot instanceof FileBasedModelRoot)) {
continue;
}
SModel newModel = PersistenceUtil.loadModel(oldFile);
if (newModel == null) {
if (LOG.isEnabledFor(Level.ERROR)) {
LOG.error("cannot read " + smodel);
}
continue;
}
Iterable<SModel.Problem> problems =
Sequence.fromIterable(((Iterable<SModel.Problem>) newModel.getProblems()))
.where(
new IWhereFilter<SModel.Problem>() {
public boolean accept(SModel.Problem it) {
return it.isError();
}
});
if (Sequence.fromIterable(problems).isNotEmpty()) {
if (LOG.isEnabledFor(Level.ERROR)) {
LOG.error(
"cannot read "
+ smodel
+ ": "
+ Sequence.fromIterable(problems).first().getText());
}
continue;
}
try {
DataSource newSource =
filePerRootFactory.createNewSource(
(FileBasedModelRoot) modelRoot,
null,
newModel.getModelName(),
new HashMap<String, String>());
SModule module = smodel.getModule();
filePerRootFactory.save(newModel, newSource);
if (module != null) {
((SModuleBase) module).unregisterModel((SModelBase) smodel);
}
oldFile.delete();
((AbstractModule) module).updateModelsSet();
} catch (IOException ex) {
if (LOG.isEnabledFor(Level.ERROR)) {
LOG.error("cannot write " + smodel, ex);
}
} catch (ModelSaveException ex) {
// shouldn't happen
if (LOG.isEnabledFor(Level.ERROR)) {
LOG.error("cannot write " + smodel, ex);
}
}
}
}
});
}
/**
* @return <code>true</code> to indicate generation success (what does constitute a success is,
* alas, undefined)
*/
private boolean process0(
@NotNull final ProgressMonitor monitor, @NotNull final List<? extends GeneratorTask> tasks) {
final boolean[] result = new boolean[1];
myTransientModelsProvider.startGeneration(myGenerationOptions.getNumberOfModelsToKeep());
final GeneratorLoggerAdapter logger =
new GeneratorLoggerAdapter(
myMessageHandler,
myGenerationOptions.isShowInfo(),
myGenerationOptions.isShowWarnings());
myRepository
.getModelAccess()
.runWriteAction(
new Runnable() {
@Override
public void run() {
for (GeneratorTask t : tasks) {
SModel d = t.getModel();
if (d instanceof EditableSModel && ((EditableSModel) d).needsReloading()) {
((EditableSModel) d).reloadFromSource();
logger.info("Model " + d + " reloaded from disk.");
}
myTransientModelsProvider.createModule(d.getModule());
}
}
});
myTransientModelsProvider
.initCheckpointModule(); // at the moment, starts write action, thus shall start outside of
// read
GenControllerContext ctx =
new GenControllerContext(
myRepository, myGenerationOptions, myTransientModelsProvider, myStreamProvider);
GeneratorTaskListener<GeneratorTask> taskListener;
if (myTaskListener != null) {
taskListener = myTaskListener;
} else {
taskListener = new EmptyTaskListener();
}
final GenerationController gc = new GenerationController(tasks, ctx, taskListener, logger);
myRepository
.getModelAccess()
.runReadAction(
new Runnable() {
@Override
public void run() {
result[0] =
UndoHelper.getInstance()
.runNonUndoableAction(
new Computable<Boolean>() {
@Override
public Boolean compute() {
return gc.generate(monitor);
}
});
}
});
// XXX removeAllTransients done from make facet, perhaps publish shall be part of external code
// as well?
myTransientModelsProvider.publishAll();
CleanupManager.getInstance().cleanup();
return result[0];
}
@Override
public void processQuery(
@NotNull SearchParameters queryParameters, @NotNull final Processor<PsiReference> consumer) {
if (!(queryParameters.getEffectiveSearchScope() instanceof GlobalSearchScope)) {
return;
}
final GlobalSearchScope scope = (GlobalSearchScope) queryParameters.getEffectiveSearchScope();
final PsiElement target = queryParameters.getElementToSearch();
// Only class names can be prefixes in foreign ids of other nodes
if (!(target instanceof PsiClass)) return;
final SRepository repository = ProjectHelper.getProjectRepository(scope.getProject());
if (repository == null) {
return;
}
repository
.getModelAccess()
.runReadAction(
new Runnable() {
@Override
public void run() {
final NodePtr nodePtr = JavaForeignIdBuilder.computeNodePtr(target);
if (nodePtr == null) return;
final SNodeReference mpsTarget =
new SNodePointer(nodePtr.getSModelReference(), nodePtr.getNodeId());
// do we have this node?
if (mpsTarget.resolve(MPSModuleRepository.getInstance()) == null) return;
String prefix = nodePtr.getNodeId().toString();
final String prefixToSearch =
(prefix.startsWith(Foreign.ID_PREFIX) ? prefix.substring(1) : prefix);
final String prefixToSearchWithDot = prefixToSearch + ".";
final Project project = target.getProject();
// first look into changed models
SearchScope mpsSearchScope = new IdeaSearchScope(scope, true);
CollectConsumer<VirtualFile> processedFilesConsumer =
new CollectConsumer<VirtualFile>();
for (SModel model : mpsSearchScope.getModels()) {
boolean changed =
model instanceof EditableSModel && ((EditableSModel) model).isChanged();
if (!changed) continue;
findInModel(
model,
prefixToSearch,
processedFilesConsumer,
new Consumer<SReference>() {
@Override
public void consume(SReference ref) {
String role = ref.getRole();
SNode source = ref.getSourceNode();
PsiElement psiNode =
MPSPsiProvider.getInstance(project).getPsi(source.getReference());
assert psiNode instanceof MPSPsiNode;
consumer.process(new IdPrefixReference(mpsTarget, role, psiNode));
}
});
}
// now index
final Collection<VirtualFile> filesOfChangedModels =
processedFilesConsumer.getResult();
GlobalSearchScope truncatedScope =
new DelegatingGlobalSearchScope(scope) {
@Override
public boolean contains(VirtualFile file) {
if (filesOfChangedModels.contains(file)) return false;
return super.contains(file);
}
};
ValueProcessor<Collection<Pair<SNodeDescriptor, String>>> sReferenceProcessor =
new ValueProcessor<Collection<Pair<SNodeDescriptor, String>>>() {
@Override
public boolean process(
VirtualFile file, Collection<Pair<SNodeDescriptor, String>> refs) {
for (Pair<SNodeDescriptor, String> ref : refs) {
SNodeReference nodeRef = ref.o1.getNodeReference();
String role = ref.o2;
// index got out-of-date on this
// unfortunately our indices are not always up-to-date, as we don't index
// yet-unsaved changes
if (nodeRef.resolve(repository) == null) continue;
PsiElement psiNode = MPSPsiProvider.getInstance(project).getPsi(nodeRef);
// original node came from MPS index, it must be converted to our PSI
// element
assert psiNode instanceof MPSPsiNode;
consumer.process(new IdPrefixReference(mpsTarget, role, psiNode));
}
return true;
}
};
FileBasedIndex.getInstance()
.processValues(
ForeignIdReferenceIndex.ID,
prefixToSearchWithDot,
null,
sReferenceProcessor,
truncatedScope);
}
});
}
@Override
public void processQuery(
@NotNull SearchParameters queryParameters, final @NotNull Processor<PsiReference> consumer) {
if (!(queryParameters.getEffectiveSearchScope() instanceof GlobalSearchScope)) {
return;
}
final GlobalSearchScope scope = (GlobalSearchScope) queryParameters.getEffectiveSearchScope();
final PsiElement psiTarget = queryParameters.getElementToSearch();
if (psiTarget instanceof MPSPsiNodeBase) return;
final Project project = psiTarget.getProject();
final MPSPsiProvider psiProvider = MPSPsiProvider.getInstance(project);
SRepository repository = ProjectHelper.getProjectRepository(project);
repository
.getModelAccess()
.runReadAction(
new Runnable() {
@Override
public void run() {
if (DumbService.getInstance(project).isDumb()) {
return;
}
if (psiTarget instanceof LightElement) {
// we don't handle light psi elements we don't know about
// we may not be able to compute their node id and their Java meaning can be
// represented in baseLanguage
// in a special way
return;
}
// if MPSReferenceSearch is moved to mps-core, it will be
// MPS2PsiMapperUtil.getNodeId
final SNode targetNode = getNodeForElement(psiTarget);
if (targetNode == null) {
// it can't be referenced from MPS
return;
}
Set<SNode> targetNodes = new HashSet<SNode>(1);
targetNodes.add(targetNode);
Set<SReference> references;
try {
references =
FindUsagesFacade.getInstance()
.findUsages(new IdeaSearchScope(scope), targetNodes, null);
} catch (IndexNotReadyException e) {
// DumbService doesn't seem to work
return;
}
for (SReference sReference : references) {
SNode source = sReference.getSourceNode();
MPSPsiNode psiNode = (MPSPsiNode) psiProvider.getPsi(source);
// the source could have come from the psi stub itself
if (psiNode == null) return;
String refRole = sReference.getRole();
MPSPsiRef[] refs = psiNode.getReferences(refRole);
if (refs.length == 0) continue;
for (MPSPsiRef r : refs) {
if (targetNode.getNodeId().equals(r.getNodeId())) {
// it's our reference: giving it out to find usages
consumer.process(r.getReference());
}
}
}
}
});
}
