ScopeUtils.java

package jetbrains.mps.lang.scopes.runtime;

/*Generated by MPS */

import org.jetbrains.mps.openapi.language.SContainmentLink;
import org.jetbrains.mps.openapi.model.SNode;
import jetbrains.mps.lang.smodel.generator.smodelAdapter.SNodeOperations;
import jetbrains.mps.scope.Scope;
import org.jetbrains.mps.openapi.language.SAbstractConcept;

public class ScopeUtils {
  private ScopeUtils() {
  }

  public static boolean comeFrom(SContainmentLink expectedLink, SNode thisNode, SNode child) {
    while ((child != null) && SNodeOperations.getParent(child) != thisNode) {
      child = SNodeOperations.getParent(child);
    }
    return (child != null) && expectedLink.equals(child.getContainmentLink());
  }

  public static boolean comeFrom(SContainmentLink expectedLink, SNode thisNode, SContainmentLink link, int index) {
    return expectedLink.equals(link);
  }

  public static Scope parentScope(SNode node, SAbstractConcept kind) {
    return Scope.getScope(Scope.parent(node), node, kind);
  }
  public static Scope lazyParentScope(SNode node, SAbstractConcept kind) {
    return new LazyParentScope(node, kind);
  }

}