/*
* Copyright 2003-2017 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.typesystem.uiActions;
import jetbrains.mps.ide.findusages.findalgorithm.finders.BaseFinder;
import jetbrains.mps.ide.findusages.model.SearchQuery;
import jetbrains.mps.ide.findusages.model.SearchResult;
import jetbrains.mps.ide.findusages.model.SearchResults;
import jetbrains.mps.newTypesystem.context.typechecking.IncrementalTypechecking;
import jetbrains.mps.smodel.SNodeId;
import jetbrains.mps.typesystem.inference.DefaultTypecheckingContextOwner;
import jetbrains.mps.typesystem.inference.ITypeContextOwner;
import jetbrains.mps.typesystem.inference.TypeCheckingContext;
import jetbrains.mps.typesystem.inference.TypeContextManager;
import jetbrains.mps.util.CollectionUtil;
import jetbrains.mps.util.Pair;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SNodeReference;
import org.jetbrains.mps.openapi.persistence.PersistenceFacade;
import org.jetbrains.mps.openapi.util.ProgressMonitor;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
public class AffectingRulesFinder extends BaseFinder {
@Override
public String getDescription() {
return "Affecting Rules";
}
public SearchResults find(SearchQuery query, ProgressMonitor monitor) {
Object target = query.getObjectHolder().getObject();
if (!(target instanceof SNodeReference)) {
return new SearchResults();
}
SNode term = query.getSearchObjectResolver().resolve((SNodeReference) target);
if (term == null) {
return new SearchResults();
}
SNode root = term.getContainingRoot();
ITypeContextOwner owner = new MyTypeContextOwner();
TypeContextManager manager = TypeContextManager.getInstance();
TypeCheckingContext context = manager.acquireTypecheckingContext(root, owner);
context.checkRoot(true);
try {
IncrementalTypechecking component = context.getBaseNodeTypesComponent();
List<SearchResult<SNode>> rules = new ArrayList<SearchResult<SNode>>();
if (component == null) {
return createResult(term, rules);
}
Set<Pair<String, String>> rulesIds = component.getRulesWhichAffectNodeType(term);
if (rulesIds == null) {
return createResult(term, rules);
}
for (Pair<String, String> ruleId : rulesIds) {
SModel modelDescriptor = query.getScope().resolve(PersistenceFacade.getInstance().createModelReference(ruleId.o1));
if (modelDescriptor == null) {
continue;
}
SNodeId nodeId = SNodeId.fromString(ruleId.o2);
assert nodeId != null : "wrong node id string";
SNode rule = modelDescriptor.getNode(nodeId);
if (rule == null) {
continue;
}
rules.add(new SearchResult<SNode>(rule, "rules which affect node's type"));
}
return createResult(term, rules);
} finally {
manager.releaseTypecheckingContext(owner);
}
}
private SearchResults<SNode> createResult(SNode node, List<SearchResult<SNode>> results) {
return new SearchResults<>(CollectionUtil.set(node), results);
}
private static class MyTypeContextOwner extends DefaultTypecheckingContextOwner {
}
}