ScopeResolver.java

package jetbrains.mps.resolve;

/*Generated by MPS */

import org.apache.log4j.Logger;
import org.apache.log4j.LogManager;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SReference;
import org.jetbrains.mps.openapi.model.SNode;
import org.jetbrains.mps.openapi.module.SRepository;
import jetbrains.mps.scope.Scope;
import jetbrains.mps.smodel.constraints.ModelConstraints;
import jetbrains.mps.scope.ErrorScope;

public class ScopeResolver implements IResolver {
  private static final Logger LOG = LogManager.getLogger(ScopeResolver.class);
  public ScopeResolver() {
  }
  @Override
  public boolean resolve(@NotNull final SReference reference, @NotNull final SNode sourceNode, @NotNull final SRepository repository) {
    Scope refScope = ModelConstraints.getScope(reference);
    if (refScope instanceof ErrorScope) {
      LOG.error("Couldn't create referent search scope : " + ((ErrorScope) refScope).getMessage());
      return false;
    }
    SNode result = null;
    String resolveInfo = ((jetbrains.mps.smodel.SReference) reference).getResolveInfo();
    if (resolveInfo != null) {
      try {
        result = refScope.resolve(sourceNode, resolveInfo);
      } catch (Throwable t) {
        LOG.warn("Exception was thrown during reference resolving", t);
      }
    }
    if (result == null) {
      return false;
    }
    sourceNode.setReferenceTarget(reference.getLink(), result);
    return true;
  }
}