| package org.checkerframework.dataflow.cfg.node; |
| |
| import com.sun.source.tree.Tree; |
| import com.sun.source.tree.Tree.Kind; |
| import java.util.Collection; |
| import java.util.LinkedList; |
| import org.checkerframework.javacutil.InternalUtils; |
| |
| /** |
| * A node for the string concatenation compound assignment: |
| * |
| * <pre> |
| * <em>variable</em> += <em>expression</em> |
| * </pre> |
| * |
| * @author Stefan Heule |
| * @author Charlie Garrett |
| */ |
| public class StringConcatenateAssignmentNode extends Node { |
| protected Tree tree; |
| protected Node left; |
| protected Node right; |
| |
| public StringConcatenateAssignmentNode(Tree tree, Node left, Node right) { |
| super(InternalUtils.typeOf(tree)); |
| assert tree.getKind() == Kind.PLUS_ASSIGNMENT; |
| this.tree = tree; |
| this.left = left; |
| this.right = right; |
| } |
| |
| public Node getLeftOperand() { |
| return left; |
| } |
| |
| public Node getRightOperand() { |
| return right; |
| } |
| |
| @Override |
| public Tree getTree() { |
| return tree; |
| } |
| |
| @Override |
| public <R, P> R accept(NodeVisitor<R, P> visitor, P p) { |
| return visitor.visitStringConcatenateAssignment(this, p); |
| } |
| |
| @Override |
| public Collection<Node> getOperands() { |
| LinkedList<Node> list = new LinkedList<Node>(); |
| list.add(getLeftOperand()); |
| list.add(getRightOperand()); |
| return list; |
| } |
| } |