/*
* Copyright 2003-2015 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.generator.impl.reference;
import jetbrains.mps.generator.impl.TemplateGenerator;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.model.SReference;
import java.util.ArrayList;
import java.util.List;
/**
* Replace dynamic references with static if appropriate option has been selected.
* @author Artem Tikhomirov
*/
public final class DynamicReferenceUpdate {
private final TemplateGenerator myGenerator;
private final List<SReference> myRefs;
public DynamicReferenceUpdate(@NotNull TemplateGenerator generator) {
myGenerator = generator;
myRefs = new ArrayList<SReference>();
}
public synchronized void add(@NotNull SReference dr) {
myRefs.add(dr);
}
public boolean isEmpty() {
return myRefs.isEmpty();
}
public void replace() {
if (myGenerator.getGeneratorSessionContext().getGenerationOptions().useDynamicReferences()) {
return;
}
for (SReference dr : myRefs) {
final SNode srcNode = dr.getSourceNode();
String resolveInfo = dr instanceof jetbrains.mps.smodel.SReference ? ((jetbrains.mps.smodel.SReference) dr).getResolveInfo() : null;
if (srcNode == null) {
myGenerator.getLogger().warning(String.format("Attempt to replace dynamic reference '%s' with static counterpart failed: no source node; resolveInfo=%s. Dynamic reference is left intact.", dr.getLink().getRoleName(), resolveInfo));
continue;
}
if (srcNode.getModel() == null) {
// this accounts for a valid situation when a node which had reference macro in it was removed from the output node
// by MAPSRC node macro
continue;
}
SNode target = jetbrains.mps.smodel.SReference.getTargetNodeSilently(dr);
if (target == null) {
myGenerator.getLogger().warning(srcNode.getReference(), String.format("Failed to replace dynamic reference '%s' with static counterpart: no target; resolveInfo=%s. Dynamic reference is left intact.", dr.getLink().getRoleName(), resolveInfo));
continue;
}
final jetbrains.mps.smodel.SReference sr = jetbrains.mps.smodel.SReference.create(dr.getLink(), dr.getSourceNode(), target);
sr.setResolveInfo(resolveInfo);
srcNode.setReference(dr.getLink(), sr);
}
}
}