| package org.checkerframework.dataflow.cfg.node; |
| |
| import com.sun.source.tree.UnaryTree; |
| import java.util.Collection; |
| import java.util.Collections; |
| import org.checkerframework.javacutil.InternalUtils; |
| |
| /** |
| * A node for a postfix or an unary expression. |
| * |
| * <p>For example: |
| * |
| * <pre> |
| * <em>operator</em> <em>expressionNode</em> |
| * |
| * <em>expressionNode</em> <em>operator</em> |
| * </pre> |
| * |
| * @author charleszhuochen |
| */ |
| public abstract class UnaryOperationNode extends Node { |
| |
| protected final UnaryTree tree; |
| protected final Node operand; |
| |
| public UnaryOperationNode(UnaryTree tree, Node operand) { |
| super(InternalUtils.typeOf(tree)); |
| this.tree = tree; |
| this.operand = operand; |
| } |
| |
| public Node getOperand() { |
| return this.operand; |
| } |
| |
| @Override |
| public UnaryTree getTree() { |
| return tree; |
| } |
| |
| @Override |
| public Collection<Node> getOperands() { |
| return Collections.singletonList(getOperand()); |
| } |
| } |