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Diffstat (limited to 'aspectj-attic/testing-src/org/aspectj/testing/compare/GenericTreeNodesVisitorI.java')
| -rw-r--r-- | aspectj-attic/testing-src/org/aspectj/testing/compare/GenericTreeNodesVisitorI.java | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/aspectj-attic/testing-src/org/aspectj/testing/compare/GenericTreeNodesVisitorI.java b/aspectj-attic/testing-src/org/aspectj/testing/compare/GenericTreeNodesVisitorI.java new file mode 100644 index 000000000..da1dcf2a5 --- /dev/null +++ b/aspectj-attic/testing-src/org/aspectj/testing/compare/GenericTreeNodesVisitorI.java @@ -0,0 +1,31 @@ +/* ******************************************************************* + * Copyright (c) 1999-2001 Xerox Corporation, + * 2002 Palo Alto Research Center, Incorporated (PARC). + * All rights reserved. + * This program and the accompanying materials are made available + * under the terms of the Common Public License v1.0 + * which accompanies this distribution and is available at + * http://www.eclipse.org/legal/cpl-v10.html + * + * Contributors: + * Xerox/PARC initial implementation + * ******************************************************************/ + +package org.aspectj.testing.compare; +/** + * Visit a node-pair in the trees, + * signalling whether to continue traversal. + */ +public interface GenericTreeNodesVisitorI { + /** + * Visit nodes in parallel trees. + * One (but not both) of the input nodes may be null. + * @param lhs the GenericTreeNode on the left-hand-side of a binary operation + * (may be null) + * @param lhs the GenericTreeNode on the right-hand-side of a binary operation + * (may be null) + * @return true if should continue visiting + */ + public boolean visit(GenericTreeNode lhs, GenericTreeNode rhs); +} + |