| package org.checkerframework.dataflow.cfg.node; |
| |
| import com.sun.source.tree.NewClassTree; |
| import java.util.Collection; |
| import java.util.LinkedList; |
| import java.util.List; |
| import org.checkerframework.dataflow.util.HashCodeUtils; |
| import org.checkerframework.javacutil.InternalUtils; |
| |
| /** |
| * A node for new object creation |
| * |
| * <pre> |
| * <em>new constructor(arg1, arg2, ...)</em> |
| * </pre> |
| * |
| * @author Stefan Heule |
| * @author Charlie Garrett |
| */ |
| public class ObjectCreationNode extends Node { |
| |
| protected NewClassTree tree; |
| protected Node constructor; |
| protected List<Node> arguments; |
| |
| public ObjectCreationNode(NewClassTree tree, Node constructor, List<Node> arguments) { |
| super(InternalUtils.typeOf(tree)); |
| this.tree = tree; |
| this.constructor = constructor; |
| this.arguments = arguments; |
| } |
| |
| public Node getConstructor() { |
| return constructor; |
| } |
| |
| public List<Node> getArguments() { |
| return arguments; |
| } |
| |
| public Node getArgument(int i) { |
| return arguments.get(i); |
| } |
| |
| @Override |
| public NewClassTree getTree() { |
| return tree; |
| } |
| |
| @Override |
| public <R, P> R accept(NodeVisitor<R, P> visitor, P p) { |
| return visitor.visitObjectCreation(this, p); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuffer sb = new StringBuffer(); |
| sb.append("new " + constructor + "("); |
| boolean needComma = false; |
| for (Node arg : arguments) { |
| if (needComma) { |
| sb.append(", "); |
| } |
| sb.append(arg); |
| needComma = true; |
| } |
| sb.append(")"); |
| return sb.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == null || !(obj instanceof ObjectCreationNode)) { |
| return false; |
| } |
| ObjectCreationNode other = (ObjectCreationNode) obj; |
| if (constructor == null && other.getConstructor() != null) { |
| return false; |
| } |
| |
| return getConstructor().equals(other.getConstructor()) |
| && getArguments().equals(other.getArguments()); |
| } |
| |
| @Override |
| public int hashCode() { |
| int hash = HashCodeUtils.hash(constructor); |
| for (Node arg : arguments) { |
| hash = HashCodeUtils.hash(hash, arg.hashCode()); |
| } |
| return hash; |
| } |
| |
| @Override |
| public Collection<Node> getOperands() { |
| LinkedList<Node> list = new LinkedList<Node>(); |
| list.add(constructor); |
| list.addAll(arguments); |
| return list; |
| } |
| } |