/
RefScopeChecker.java
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/
RefScopeChecker.java
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/*
* Copyright 2003-2021 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jetbrains.mps.checkers;
import jetbrains.mps.components.ComponentHost;
import jetbrains.mps.core.aspects.feedback.api.FeedbackAspectRegistry;
import jetbrains.mps.core.aspects.feedback.messages.RefOutOfScopeContext;
import jetbrains.mps.core.aspects.feedback.messages.RefOutOfScopeProblem;
import jetbrains.mps.errors.item.EditorQuickFix;
import jetbrains.mps.errors.item.FlavouredItem;
import jetbrains.mps.errors.item.IssueKindReportItem;
import jetbrains.mps.errors.item.LanguageErrorItem;
import jetbrains.mps.errors.item.NodeFeatureFlavouredItem;
import jetbrains.mps.errors.item.NodeReportItem;
import jetbrains.mps.errors.item.OutOfScopeReferenceReportItem;
import jetbrains.mps.internal.collections.runtime.SetSequence;
import jetbrains.mps.resolve.ReferenceResolverUtils;
import jetbrains.mps.resolve.ResolverComponent;
import jetbrains.mps.scope.ErrorScope;
import jetbrains.mps.scope.Scope;
import jetbrains.mps.smodel.ReferenceScopeHelper;
import jetbrains.mps.smodel.constraints.ModelConstraints;
import jetbrains.mps.smodel.constraints.ReferenceDescriptor;
import jetbrains.mps.smodel.runtime.EvaluateScopeContext;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.language.SConceptFeature;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeReference;
import org.jetbrains.mps.openapi.model.SReference;
import org.jetbrains.mps.openapi.module.SModule;
import org.jetbrains.mps.openapi.module.SRepository;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class RefScopeChecker extends AbstractNodeCheckerInEditor implements IChecker<SNode, NodeReportItem> {
private final ComponentHost myHost;
public RefScopeChecker() {
myHost = null;
}
public RefScopeChecker(@Nullable ComponentHost host) {
myHost = host;
}
@Override
public IssueKindReportItem.CheckerCategory getCategory() {
return IssueKindReportItem.REFERENCE_SCOPES;
}
@Override
public IChecker.AbstractNodeChecker.ErrorSkipCondition skipCondition() {
return AbstractNodeCheckerInEditor.SKIP_CONSTRAINTS_CONDITION;
}
@Override
public void checkNodeInEditor(SNode node, LanguageErrorsCollector errorsCollector, SRepository repository) {
if (node == null || node.getModel() == null) {
return;
}
SModule module = node.getModel().getModule();
if (module == null) {
return;
}
boolean executeImmediately = ReferenceResolverUtils.canExecuteImmediately(node.getModel(), repository);
final EvaluateScopeContext evaluateReferenceScopeContext = detectRefEvalContext(repository);
for (SReference ref : node.getReferences()) {
SNode target = ref.getTargetNode();
if (target == null) {
continue;
}
// don't check unresolved and broken references, they should already have an error message
// do we need all these additional dependencies? mb. it's better to use .runCheckingAction() instead?
// The reason not to use runCheckingAction is memory consumption, see https://youtrack.jetbrains.com/issue/MPS-19776, commit 88c5a52d
errorsCollector.addDependency(target);
ReferenceDescriptor refDescriptor = ModelConstraints.getReferenceDescriptor(ref);
Scope refScope = refDescriptor.getScope(evaluateReferenceScopeContext);
for (SNode n : refScope.getAdditionalDependencies()) {
errorsCollector.addDependency(n);
}
if (refScope instanceof ErrorScope) {
errorsCollector.addError(new LanguageErrorItem.ReferenceItem((ErrorScope) refScope, ref));
} else if (!(refScope.contains(target))) {
SNodeReference debugInfo = refDescriptor.getScopeRuleNodeReference();
RefOutOfScopeProblem problem = new RefOutOfScopeProblem(ref.getLink(), null);
RefOutOfScopeContext context = new RefOutOfScopeContext(ref);
FeedbackAspectRegistry registry = getFeedbackAspectRegistry();
MessagesFacade facade = new MessagesFacade(registry);
List<String> messages = facade.findTextMessagesForProblem(node.getConcept(), problem, context);
for (String message : messages) {
errorsCollector.addError(new OutOfScopeReferenceReportItem(ref,
debugInfo,
createResolveReferenceQuickfix(ref, executeImmediately),
createAddImportQuickfix(ref),
message));
}
}
}
}
protected EditorQuickFix createResolveReferenceQuickfix(SReference reference, boolean executeImmediately) {
return new RefScopeChecker.ResolveReferenceQuickFix(reference, executeImmediately);
}
@Nullable
private FeedbackAspectRegistry getFeedbackAspectRegistry() {
if (myHost == null) {
return null;
}
return myHost.findComponent(FeedbackAspectRegistry.class);
}
private EvaluateScopeContext detectRefEvalContext(SRepository repo) {
if (repo instanceof ReferenceScopeHelper.Source) {
return ((ReferenceScopeHelper.Source) repo).getReferenceScopeHelper().getContext();
}
return new EvaluateScopeContext();
}
protected EditorQuickFix createAddImportQuickfix(SReference reference) {
return null;
}
protected static class ResolveReferenceQuickFix implements EditorQuickFix, NodeFeatureFlavouredItem {
protected SReference myReference;
private boolean myExecuteImmediately;
public ResolveReferenceQuickFix(SReference reference, boolean executeImmediately) {
myReference = reference;
myExecuteImmediately = executeImmediately;
}
@Override
public void execute(SRepository repository) {
ResolverComponent.getInstance().resolve(myReference, repository);
}
@Override
public String getDescription(SRepository repository) {
return "Resolve \"" + myReference.getLink().getName() + "\" reference";
}
@Override
public boolean isExecutedImmediately() {
return myExecuteImmediately;
}
@Override
public Set<FlavouredItem.ReportItemFlavour<?, ?>> getIdFlavours() {
return SetSequence.fromSetAndArray(new HashSet<>(), FlavouredItem.FLAVOUR_CLASS, FLAVOUR_NODE, FLAVOUR_NODE_FEATURE);
}
@Override
public SConceptFeature getConceptFeature() {
return myReference.getLink();
}
@Override
public SNodeReference getNode() {
return myReference.getSourceNode().getReference();
}
@Override
public boolean isAlive(SRepository repository) {
return myReference.getSourceNode().getModel() != null;
}
}
}