45 lines
1.9 KiB
Java
45 lines
1.9 KiB
Java
/*
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* Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* California 95054, U.S.A. All rights reserved. Sun Microsystems, Inc. has
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* intellectual property rights relating to technology embodied in the product
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* that is described in this document. In particular, and without limitation,
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* these intellectual property rights may include one or more of the U.S.
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* patents listed at http://www.sun.com/patents and one or more additional
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* patents or pending patent applications in the U.S. and in other countries.
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* U.S. Government Rights - Commercial software. Government users are subject
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* to the Sun Microsystems, Inc. standard license agreement and applicable
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* provisions of the FAR and its supplements. Use is subject to license terms.
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* Sun, Sun Microsystems, the Sun logo and Java are trademarks or registered
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* trademarks of Sun Microsystems, Inc. in the U.S. and other countries. This
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* product is covered and controlled by U.S. Export Control laws and may be
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* subject to the export or import laws in other countries. Nuclear, missile,
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* chemical biological weapons or nuclear maritime end uses or end users,
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* whether direct or indirect, are strictly prohibited. Export or reexport
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* to countries subject to U.S. embargo or to entities identified on U.S.
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* export exclusion lists, including, but not limited to, the denied persons
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* and specially designated nationals lists is strictly prohibited.
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*/
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package csjavacc.struct;
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/**
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* Objects of this type are passed to the tree walker
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* routines in ExpansionTreeWalker.
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*/
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public interface TreeWalkerOp {
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/**
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* When called at a particular node, this specifies to the
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* tree walker if it should visit more nodes under this node.
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*/
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boolean goDeeper(Expansion e);
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/**
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* When a node is visited, this method is invoked with the
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* node as parameter.
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*/
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void action(Expansion e);
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}
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