| package org.checkerframework.dataflow.cfg.node; |
| |
| import com.sun.source.tree.IdentifierTree; |
| import com.sun.source.tree.Tree; |
| import java.util.Collection; |
| import java.util.Collections; |
| import org.checkerframework.dataflow.util.HashCodeUtils; |
| import org.checkerframework.javacutil.InternalUtils; |
| |
| /** |
| * A node for a reference to 'super'. |
| * |
| * <pre> |
| * <em>super</em> |
| * </pre> |
| * |
| * @author Stefan Heule |
| * @author Charlie Garrett |
| */ |
| public class SuperNode extends Node { |
| |
| protected Tree tree; |
| |
| public SuperNode(Tree t) { |
| super(InternalUtils.typeOf(t)); |
| assert t instanceof IdentifierTree && ((IdentifierTree) t).getName().contentEquals("super"); |
| tree = t; |
| } |
| |
| @Override |
| public Tree getTree() { |
| return tree; |
| } |
| |
| @Override |
| public <R, P> R accept(NodeVisitor<R, P> visitor, P p) { |
| return visitor.visitSuper(this, p); |
| } |
| |
| public String getName() { |
| return "super"; |
| } |
| |
| @Override |
| public String toString() { |
| return getName(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == null || !(obj instanceof SuperNode)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| return HashCodeUtils.hash(getName()); |
| } |
| |
| @Override |
| public Collection<Node> getOperands() { |
| return Collections.emptyList(); |
| } |
| } |